RIDER's PERPETUAL TROUBLESHOOTER'S Radio set service manuals - 1930 to 1954
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PACKARD BELL CO.
PACK. -BELL PAGE l 15-1
MODEL 5FP
AU
GO
CI -.444
ç
\
\
6SA7
L2
_ 4 f
6
22M RI
C2 -I 220
6SK7
L3
C3-
.05
/
/ 2.2MEG
R2 /
SI _____// T I
6S07
C8 .01
6K6GT
4
4. 7 MEG R6
T C6 +IOMFD ^
WATT R7-2
R 7-I
3000 2WATT
110- 120VAC 50-60'-+
TO HEATERS
ALIGNMENT PROCEDURE
Alignment procedure consists of the four steps outlined in the Alignment Procedure Chart. Test oscillator leads should be connected to the mixer grid and ground in series with an .01 Mfd. capacitor (dummy load) for the I. F. alignment (Step No. 1)..
The alignment procedure outlined in steps 2 to 4 utilizes a standard test loop.* The test oscillator leads should be connected across this loop. The loop should be placed about two feet from the receiver loop in a vertical position.
Upon completion of the I. F. Alignment the variable condenser should be "Rocked" to gain assurance that the I. F.'s have not been aligned to the image frequency.
'NOTE: Hazeltine Test Loop #1150
ALIGNMENT CHART
STEP
1
CONNECT TEST OSC.
TO
Mixer grid & Grd. .01 Mfd Dummy Load
Standard
Teat Loop
TEST OSC. SETTING
45.5 KC
1750 KC
3
Standard Test Loop*
1330 KC
SL4toaop and Test
S70 KC
REMARKS: *Hazeltine Test Loop #1150
POINTER SETTING
550 KC
1750 KC 1330 KC
570 KC
ADJUST FOR MAXIMUM
OUTPUT
Trimmers
C D
Trimmer F to 1750 KC
Trimmer E Set Pointer to 1330 KC
Loop
Electrical Rating
... Line Voltage 110-120 Volts 50-60 cycle A.C. ... Power Consumption 32 watts
Tuning Frequency Range
550 to 1740 kc
Intermediate Frequency
455 kc
Electrical Power Output
... Maximum
1.8 watts
Loudspeaker
Type . Permanent Magnet
... Outside Cone Diameter 4"
... Voice Coil Impedance 3.2 ohms at 400 cycles
... Magnet Rating
1.0 Oz. Alnico five
C
D
2NDI.F VBL.SONT
WITCM
Tune,'
TRIMMER LOCATION
©John F. Rider
www.americanradiohistory.com
PAGE 15-2 PACI{. -BELL
MODEL 5r P
PACKARD BELL CO.
SPECIAL SERVICE INFORMATION
STAGE GAIN ME-ASUREMENTS
Measurements taken with volume control fully advanced.
... Standard Output . 50 milliwatts Dummy Antenna
220 mmf
... Converter gain 80 X at 1000 KC
Converter to 1st I. F.... 140 X at 455 KC
... 1st I. F. to 2nd Detector
105 X at 455 KC
... Overall Audio Gain 536 X at .5 watts at 400 cycles
Oscillator Grid Voltage at 117 volts AC line voltage
... 1750 KC
2.65 volts AC'
... 1330 KC
2.1 volts AC'
... 750 KC
1.84 volts AC'
... 550 KC
1.72 volts AC'
'Measurements made with A.C. V.T.V.M.
Input loading above 10 megohms
All D.C. voltages measured with vacuum tube voltmeter from socket contacts to chassis. A.C. voltages measured with a 1000 ohm per volt A.C. meter. Volume control fully advanced, no signal, 117 volts A.C. line voltage. All voltages shown are positive D.C. unless otherwise noted.
5$AC 34004 340AC
6X56T RECT.
+M 5.860-
+ 71
6
+.75
65E7
I. F.
+112 +171 -.52
-.52
o o
6507 DET. AMP
666 ST
PWR. AMP.
S.BAC -11
O +171 4160
.6
65A7
CONVERTER
+71 O 0
O 0 -.6
5.8AC
+71
-7
5BAC
SOCKET VOLTAGES
Tubes
Tube
6X5 -GT 6K6 -GT 6SQ7 6SK7 6SA7
Function
Rectifier Power Amplifier Detector Amplifier I. F. Amplifier Frequency Converter
D.C. RESISTANCE MEASUREMENTS
1st I. F. Coil
... primary
17.5 ohms
secondary . 17.5 ohms
2nd I. F. Coil
... primary
13 ohms
... secondary
14 ohms
Oscillator Coil
primary . .. 1.2 ohms
... secondary
4.5 ohms
PART NO.
TABLE OF REPLACEABLE PARTS
SYMBOL
DESCRIPTION
21004 23503
23228
23009
23016 24003
1
C1-1
Cl -2
C2-1 C2-2 C3-1 C3-2 C4 C5
24005
C6
23001
C7
23006
C8
23015
C9
29203
11
29002
L2
29003
L3
Cabinet, Plastic Capacitor, Variable; 2 gong with pulley Capacitor, Mica: 220 mmf
Capacitor, Paper .05 Mfd. 400 V
Capacitor, Paper: .003 Mfd. 600 V Capacitor, Electrolytic: 20 Mfd.
350 WV Capacitor, Electrolytic: 10 Mfd.
350 WV Capacitor, Paper: .001 Mfd. 600 V Capacitor, Paper: .01 Mfd. 600 V Capacitor, Paper .006 Mfd. 600 V Coil, oscillator Coil, I.F.: 1st, 455 kc Coil, I.F.: 2nd, 455 kc
PART NO. 25001
55003 52004 29308 54001 67005 73041
73055
73013
73073
73057
73122
73047
73053
73018
38003 79009 79002
84002 83003 89002 89402
SYMBOL
DESCRIPTION
R5 8 SI
R1 R2 R3 R4 R6 R7-1
R7-2 R8 R9 R10
Ti T2
Control, volume: 500,000 ohms, with A.C. switch
Crystal, dial
Knobs
Loop, Assembly
Pilot Light, bayonet base: T44 Pointer, Plastic
/ Resistor, carbon: 22,000 ohms ± 10% watt
Resistor, carbon: 2.2 megohms
± 20% 1Y2 watt
Resistor, carbon: 100 ohms
± 10% 1/2 watt
Resistor, carbon: 10,000 ohms
± 10% 1 watt
Resistor, carbon: 4.7 megohms ±20% 1 watt
Resistor, carbon: 3000 ohms -±10% 2 watt
Resistor, carbon: 100,000 ohms
± 20% 1/2 watt
Resistor, carbon: 1 megohm -±20% 1íz watt
Resistor, carbon: 270 ohms
± 10% Y2 watt
Scale, dial Socket, pilct licht
Socket, tube: 8 prong octal, wafer type
Spring, dial Speaker, PM 4"
Transformer, power
Transformer, output
©John F. Rider
www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE 15-3 MODEL 551
ALIGNMENT PROCEDURE
Alignment Procedure consists of the four steps outlined in the Alignment Procedure Chart.
Connect the test oscillator leads to the mixer grid and ground in series with a .01 Mfd. capacitor (dummy bad) for step No. 1, I.F. Alignment. The receiver loop must be shifted in order -to reach trdmmers A, 8, C, and D (see Fig. 1). Return the loop to its original position before proceeding with the balance of the alignment.
Upon completion of the I.F. Alignment, the variable condenser should be "Rocked" to assure that the I.F.s have not been aligned to the image frequency.
The procedure outlined in steps 2 to 4 utilizes a standard test loop.
Connect the test oscillator leads across this loop and place it in a vertical position about two feet from the receiver loop.
NOTE: Hazeltine Test Loop No. 1150.
STEP
1
2 3
ALIGNMENT CHART
CONNECT TEST OSC.
TO
Mixer grid & Grd. .01 Mfd. Dummy Load
Standard Test Loop
Standard Test Loop*
TEST OSC. SETTING
455 KC
1750 KC
1330 KC
POINTER SETTING
550 KC
1750 KC
1330 KC
4
Standard
Test Loop*
570 KC
570 KC
REMARKS: Hazeltine Test Loop No. 1150.
ADJUST FOR MAXIMUM
OUTPUT Trimmers A, B, C & D
Trimmer F to 1750 KC Trimmer E
loop
Electrical Rating Line Voltage . . . 110-120 volts, 50-60 cycle A.C. Power Consumption . . . 33 watts
Tuning Frequency Range
540 to 1740 kc Intermediate Frequency
455 kc
Electrical Power Output Maximum . . 2.8 watts
Loudspeaker
Type . . . Permanent Magnet Outside Cone Diameter . . . 5" Voice Coil Impedence . . . 3.2 ohms at 400 cycles Magnet Rating . . . 1.0 oz. Alnico No. S
Tubes
Function
6SA7 6SK7 6SA7 6K6 -GT 6X5 -GT
Frequency Converter I.F. Amplifier Detector Amplifier Power Amplifier Rectifier
/ t
TUNING
VOL. CONT. a SWITCH
N I
6X,GT
POWER TRANSFORM.;
Q1
'e
-
C-®; t ?eep -í
r6K6GT
OUTPUL.TRANSF. I
PW R.
NOLF.
D;
CONK t
e : ; ®e
65X7s 65L07 LFAMe1 °FAttR
t
L 1ST LF.
TO ADJUST IF'S: (I) LOOSEN SCREW
(2) REMOVE SCRE we 2.
(3) SWeD LOOP TOWARD VOL. CONTROL.
- Fig. 1 Trimmer Location
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 PACK.-BELL MODEL 551
PACKARD BELL CO.
PART NO.
A21001E 821001E C21001E A21002D 821002D 24003 24004B 23206
23016 23004
23007 23009
23502G
29004A 29001A 29301D 29202 25003A
55001 55002 38005 38009 A47002C 847002C A49001E 849001E C52015C A52015C 54002 67004 67006 73009 73077 73071 73075 73041 73047 73053 73055 7:1057 79009A 79002 83203 894018 89001A
TABLE OF REPLACEABLE PARTS
SYMBOL
DESCRIPTION
C8 C7 C4-1 C4-2 C9 C5-1 C5-2 C6 C3-1 C3-2 C1-1 C1-2 L2 L3
LI R7 & SI
R2 RS R4 R6 R1 R9 R10 R3 R8
T1
T2
Cabinet, wood: walnut Cabinet, wood: bleach Cabinet, wood: fabricoid covered Cabinet, plastic: ivory Cabinet, plastic: walnut Capacitor, electrolytic: 20 Mfd. 350 WV Capacitor, electrolytic: 40 Mfd. 350 WV Capacitor, mica: 220 Mmf
Capacitor, paper: .003 Mfd. 600 volt Capacitor, paper: .005 Mfd. 600 volt
Capacitor, paper: .02 Mfd. 600 volt Capacitor, paper: .05 Mfd. 600 volt
Capacitor, variable: two gang
Coil, 1st I.F.: 455 KC Coil 2nd I.F.: 455 KC Coil, loop antenna Coil, oscillator Control, volume: 500,000 ohms, with A.C. switch
Crystal, dial: for wood cabinet Crystal, dial: for plastic cabinet Dial, scale: for wood cabinet Dial, scale: for plastic cabinet Grille, plastic: walnut Grille, plastic: ivory Handle, plastic: walnut Handle, plastic: ivory Knob, walnut Knob, ivory Lamp, bayonet base: T-44 Pointer, slide Pointer, wire Resistor, carbon: 47 ohm ±10%, 1/2 watt Resistor, carbon: 180 ohm ±10%, 1 watt Resistor, carbon: 1000 ohm ±10%, 1 watt Resistor, carbon: 4700 ohm ±10%, 1 watt Resistor, carbon: 22,000 ohm ±10%, 1/2 watt Resistor, carbon: 100,000 ohm ±20%, 1/2 watt Resistor, carbon: 1 megohm ±20%, 1/2 watt Resistor, carbon: 2.2 megohm +20%, 1/2 watt Resistor, carbon: 4.7 megohm ±20%, 1/2 watt Socket, lamp Socket, tube Speaker, permanent magnet: 5 Transformer, output Transformer, power
All D.C. voltages measured with a vacuum tube voltmeter from socket contacts to chassis. A.C. voltages measured with a 1000 ohm per volt A.C. meter from socket contacts to chassis. Volume control fully advanced. No signal. 117 A.C. line voltage. All voltages shown are positive
D.C. unless otherwise noted.
6X52T RECTIFIER
202AC 202 AC 59AG
a9AC
-15
177
61(621 PWR.OUTPUr
o
o
-205
5.9 AC
/ YQÿrj 0.112
- 6507
IA
69K7
DET. AMP.
I.F. AMP.
o -7.5 .II
- Fig. 2 Socket Voltages
65A7 CONVERTER
SPECIAL SERVICE INFORMATION
STAGE GAIN MEASUREMENTS
Dummy Antenna . . . 200 mmf Standard Output . . . 50 mw Volume Control . . . Maximum Converter grid to 1st I.F. grid . . . 63 X at 1000 KC Converter grid to 1st I.F. grid . . . 72 X at 455 KC 1st I.F. grid to 2nd detector . . . 75 X at 455 KC Overall audio gain . . . 356 X at .5 watts 400 cycles
OSCILLATOR GRID VOLTAGES At 117 volt A.C. line voltage.
1750 KC . . . 20.0 volts A.C.* 1330 KC . . . 19.0 volts A.C.*
750 KC . . . 17.5 volts A.C.* 550 KC . . . 17.0 volts A.C.*
- *Measurements made with A.C. V.T.V.M., input loading above
10 megohms.
D.C. RESISTANCE MEASUREMENTS
1st I.F. Coil
primary . . . 14.5 ohms secondary . . . 14.5 ohms
2nd I.F. Coil primary . . . 14.5 ohms secondary . . . 14.5 ohms
Oscillator Coil start to finish . . . 8 ohms start to tap . . . 7 ohms
©John F. Rider
www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE 15-5 MODEL 561
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?AGE 15-6 PACK. -BELL
MODEL 561
PACKARD BELL CO.
D.C. RESISTANCE MEASUREMENTS
1st I.F. Coil and 2nd I.F. Coil*
... Primary . . . 14.5 ohms
Secondary
14.5 ohms
Oscillator Coil
... Start to Finish ... Start to Tap
8 ohms 7 ohms
- All D.C. voltages measured
socket contacts to chassis. A.C.
with a voltages
per volt A.C. meter from socket contacts to
vacuum tube voltmeter measured with a 1000 chassis.
from ohms
Volume control
maximum No signal
117 volts A.C. line voltage
'To obtain the true reading of the secondary of the 2nd I.F. coil, the coil must be removed from the can. This is true because of a 56,000
Switch in radio position
ohm resistor in series with the AVC lead.
All voltages shown are positive D.C. unless otherwise noted.
TABLE OF REPLACEABLE PARTS
PART
NO.
REF. SYMBOL
DESCRIPTION
23508B
23225 23009
23229 23004
23001 23007 24011 24012 21014E 29309A 29202A 29004D 29007
320030 40002 38023A 54001 65007B 67004 67007 69003 77003 73041 73009 73053
CI -1 CI -2 C2 C3-1 C3-2 C4 C5-1 C5-2 C6 C7 C8 C9
L1 L2 L3 L4
Rl R2 R3
Capacitor, variable: two gang with pulley
Capacitor, mica: 47 Mmf. Capacitor, paper: .05 Mid. .600 volt
Capacitor, mica: 470 Mmf. Capacitor, paper: .005.Mfd. .600 volt
Capacitor, paper: 001 Mid. .600 volt Capacitor, paper: .01 Mfd..600 volt Capacitor, electrolytic: 40 Mfd. .350 WV Capacitor, electrolytic: 20 Mfd..350 WV Cabinet, wood: fabricoid covered Loop, antenna Coil, oscillator Coil, let I.F. .455 KC Coil, 2nd I.F. .455 KC (2- 100 Mmf. mica capacitors & 56,000 ohm resistor are included in this assembly) Cord, AC Cord, dial drive Dial, scale Lamp, dial: 250 MA, bayonet base Plate, dial Pointer, slide Pointer, wire Pulley, dial drive
Shaft, dial
Resistor, carbon: 22K, 10%, 1/2 watt Resistor, carbon: 47 ohms, 10%, V2 watt
Resistor, carbon: 1 megohm, 20%, t/2 watt
PART NO.
REF. SYMBOL
DESCRIPTION
73075 25011 73057
73049 73051 73071 73077 79002 79005 79007 79010B 84001A 86005B 86701 89401B 89001 52014 52001A 53037 49006 83202 59003 58012 58007 84024 63001 63012 66004
28006
R4 R5 & Si R6-1 R6-2 R7 R8 R9 R10
S2 S3 Ti T2
Resistor, carbon: 4700 ohms, 10%, 1 watt Control, volume: 500K with AC switch Resistor, carbon: 4.7 megohm, 20%, V2 watt
Resistor, carbon: 220K, 20%, t/2 watt Resistor, carbon: 470K, 20%, V2 watt Resistor, carbon: 1000 ohms, 10%, 1 watt Resistor, carbon: 180 ohms, 10%, 1 watt Socket, tube: wafer type, octal
Socket, phono pick-up Socket, phono motor plug Socket, dial lamp: bayonet base Spring, dial cord Switch, rotary: wafer type, phono-radio Switch, phono motor Transformer, output Transformer, power Knob, plastic: round, for vol. control & dial tuning Knob, plastic: bar, for phono -radio switch Insulator, motor switch
Handle, plastic Speaker, permanent magnet: 5" Needle, phono: permanent Motor, phono: with 9" turntable Motor, alternate for above Bushing, phono motor: for 50 cycle operation Phono pick-up Crystal cartridge, Shure P-87 Plug, phono pick-up
Clamp, turntable holding
Electrical Rating
... Line Voltage . 110-120
Power Consumption
volt 50-60 48 watts
cycle
A.C.
Tuning Frequency Range
540 to 1750 KC
Intermediate Frequency
455 KC
... Electrical Power Output
Maximum
2.3 watts
Loudspeaker
Type
Permanent Magnet
... Outside Cone Diameter
Voice Coil Impedance
Magnet Rating
2.5
.
oz.
5"
3A.2lnoichoms#5at
400
cycles
Tubes
6SA7
. . . Frequency Converter
6SK7 6SQ7
.... . . I.F. Amplifier Detector Amplifier
... 6K6 -GT
. . Power Amplifier
6X5-GT/G
Rectifier
6SQ7
651(7
5.7v.A 196 105
.76
-45
6K6 -GT
5.7v.A
6X5 GT/G 5. MAC. 204
-10.1
173
0 189
217
V.AG.
o
217v.Ac.
FIG. 1-SOCKET VOLTAGES
STAGE GAIN MEASUREMENTS
OSCILLATOR GRID VOLTAGES
Measurements taken with volume control maximum, and switch in
... RADIO position. AVC shorted out.
Standard Output
50 milliwatts
Dummy Antenna . 200 Mmf.
Antenna to Converter Grid . 4.65 X at 1000 KC
Converter Grid to 1st I.F. Grid . . . 79 X at 1000 KC
Converter Grid to 1st I.F. Grid . 95 X at 455 KC
... 1st I.F. Grid to
Overall Audio
2nd Detector
Gain
700
X
. 62.3 X at 455 KC at .5 watts 400 cycles
Measured at Oscillator grid to ground, no signal, with A.C. V.T.V:M.
input loading above 10 megohms. 117 volts A.C. line voltage. Switch
... in RADIO position.
1750 KC
19.8 volts AC
...... 1300 KC . . . 19.8 volts AC
750 KC
18.3 volts AC
570 KC
17.2 volts AC
©John F. Rider
www.americanradiohistory.com
PACKARM BELL CO.
PACK. -BELL PAGE 15-7 MODEL 563
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?AGE 15-8 PACK.-BELL MODEL 563
PACKARD BELL CO.
1st I.F. Coil and 2nd I.F. Coil
... Primary . . 14.5 ohms
Secondary
14.5 ohms
D.C. RESISTANCE MEASUREMENTS
... Oscillator Coil Start to Finish
*To obtain the true reading of the secondary of the 2nd I.F. coil, the 8 ohms coil must be removèd from the can. This is true because of a 56,000
Start to Tap . . . 7 ohms ohm resistor in series with the AVC lead.
TABLE OF REPLACEABLE PARTS
PART NO. SYMBOL
DESCRIPTION
PART NO. SYRMEBFO. L
DESCRIPTION
21035A 23508B
23225 23009
23229 23004
23001 23007 24011 24012 29309A 29202A 29004D 29007
32003B 40002 38023A 54001 65007E 67004 67007 69003 77003 73041 73009 73053
C1-1
Cl -2 C2
C3-1 C3-2 C4 C5-1 C5-2 C6 C7 C8 C9 Ll L2 L3 L4
R1 R2 R3
Cabinet, wood: fabricofd covered
73075
Capacitor, variable: two gang with pulley
25011
73057
Capacitor, mica: 47 Mmf.
Capacitor, paper: .05 Mfd..600 volt
73049
73051
Capacitor, mica: 470 Mmf.
73071
Capacitor, paper: .005 Mid. .600 volt
73077
Capacitor, paper: 001 Mfd..600 volt Capacitor, paper: .01 Mfd..600 volt
Capacitor, electrolytic: 40 Mid. .350 WV
79002 79005 79007 79010B
Capacitor, electrolytic: 20 Mfd..350 WV Loop, antenna Coil, oscillator
84001A 86005B 86701
Coil, 1st I.F. .455 KC
89401B
Coil, 2nd IT. .455 KC (2- 100 Mmf. mica capacitors ñ 89001
56,000 ohm resistor are included in this assembly) 52014
Cord, AC
52001A
Cord, dial drive
53037
Dial, scale
49006
Lamp, dial: 250 MA, bayonet base
83202
Plate, dial
59003
Pointer, slide
58012
Pointer, wire
84024
Pulley, dial drive Shaft, dial
Resistor, carbon: 22K, 10%, V2 watt
63001 63012
Resistor, carbon: 47 ohms, 10%, V2 watt
66004
Resistor, carbon: 1 megohm, 20%, 1/2 watt
28006
R4
R56S1
R6-1 R6-2 R7 R8 R9 RIO
S2 S3 T1 1'2
Resistor, carbon: 4700 ohms, 10%, 1 watt Control, volume: 500K with AC switch
Resistor, carbon: 4.7 megohm, 20%, 1.watt
Resistor, carbon: 220K, 20%, V2 watt Resistor, carbon: 470K, 20%, t/2 watt Resistor, carbon: 1000 ohms, 10%, I watt
Resistor, carbon: 180 ohms, 10%, 1 watt Socket, tube: wafer type, octal Socket, phono pick-up Socket, phono motor plug Socket, dial lamp: bayonet base Spring, dial cord Switch, rotary: wafer type, phono-radio Switch, phono motor Transformer, output Transformer, power Knob, plastic: round, for vol. control 6 dial tuning Knob, plastic: bar, for phono -radio switch Insulator, motor switch Handle, plastic Speaker, permanent magnet: 5" Needle, phono: permanent Motor, phono: with 9" turntable Bushing, phono motor: for 50 cycle operation
Phono pick-up
Crystal cartridge, Shure P-93
Plug, phono pick-up
Clamp, turntable holding
STAGE GAIN MEASUREMENTS
... Measurements taken with volume
RADIO position. Standard Output
AVC
shorted out. 50 milliwatts
control
maximum,
and
switch
in
Dummy Antenna . 200 Mmf.
Antenna to Converter Grid . . 4.65 X at 1000 KC
Converter Grid to Converter Grid to
1st I.F. Grid 1st I.F. Grid
.
.
. .
79 X at 1000 KC 95 X at 455 KC
... 1st I.F. Grid to 2nd Detector
Overall Audio Gain
700
X
. 62.3 X at at .5 watts
455 KC
400 cycles
OSCILLATOR GRID VOLTAGES
Measured at input loading
Oscillator grid to ground, no signal, above 10 megohms. 117 volts A.C.
in RADIO position.
with A.C. V.T.V:M. line voltage. Switch
... 1750 KC ... 1300 KC ... 750 KC ... 570 KC
19.8 volts AC 19.8 volts AC 18.3 volts AC 17.2 volts AC
6S07
Electrical Rating
... Line Voltage . 110-120 volt 50-60 cycle A.C.
Power Consumption 48 watts
Tuning Frequency Range
540 to 1750 KC
Intermediate Frequency
455 KC
... Electrical Power Output
Maximum
2.3 watts
Loudspeaker
Type . Permanent Magnet
Outside Cone Diameter . 5"
... Voice Coil Impedence
Magnet Rating
2.5
.
oz.
3A.2lnoichoms#5at
400
cycles
Tubes
6SA7
Frequency Converter
6SK7
... 6SQ7 ... 6K6-GT ... 6X5-GT/G
I.F. Amplifier Detector Amplifier Power Amplifier Rectifier
6SK7
57vÁ . 196 105
6K6 -GT
6X5 GT/G 5. V.AC. 204
(í) ©O
.76
-45
-10.1
173
0 217
V.AC.
189
217 v.AC.
FIG. 1-SOCKET VOLTAGES
All D.C. voltages measured with a vacuum tube voltmeter from socket contacts to chassis. A.C. voltages measured with a 1000 ohms
- per volt A.C. meter from socket contacts to chassis. Volume control . . . maximum No signal 117 volts A.C. line voltage Switch in radio position All voltages shown are positive D.C. unless otherwise noted.
©John F. Rider
www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE 15-9 MODEL 566
1st I.F. Coil
primary . . . 14.5 ohms secondary . . . 14.5 ohms
2nd I.F. Coil primary . . . 14.5 ohms secondary . . . 14.5 ohms
u
6SK7
L3
3
I
3L2
6507
\ 4,4 6K6GT
T -I
.005I r
2
Oscillator Coil
start to finish . . . 8 ohms start to tap . . . 7 ohms
TUNING
VOL CONT.
8 SWITCH
20 C-1-2
R-2 47 .05
1
C-3-/2
R3
2-2,.
.005
C-5-1 4.7
MEG. R-10
e
e
F
POWER
TRANSFORM.:
6X501
R-6
r6K6GT
OUTPUTtRANSF.I,____,;PWR.
2NDLF.,jXlTß
I6Y11!! ÿe
ô_10¡0®rl
-_Di
GO -120 V
50-60
46SA7`1 i 1-AI 6I 5K7, i6S075
cor+Vy
1
0
1ST LF.
TO ADJUST IF'S: (I) LOOSEN SCREWS I.
(2) REMOVE SCREW2. 13) SWING LOOP TOWARD VOL. CONTROL.
TOH
s
-131-17
®7-47
IK IWATT 440MFD
rre...120 MFD
/R-5
160 I WATT =
6X501 RECTIFIER
O
217-
202AC 202ÁC 5.9ÁG
6K6GT PWR.OUTPUT
- Fig. 1 Trimmer Location
OSCILLATOR GRID VOLTAGES
Alignment Procedure Procedure Chart.
consists of
the
four
steps
outlined
in
the
Alignment At
117
volt
A.C.
line
voltage.
205
.. Connect the test oscillator leads to the mixer grid and ground in series 1750 KC
. 20.0 volts A.C." 0 7.9 AC
with a .01 Mfd. capacitor (dummy load) for step No. 1, I.F. Alignment. 1330 KC . . . 19.0 volts A.C.* "2-
0.177 0
0
The receiver loop must be shifted in order to reach trimmers A, 8, C, and D 750 KC . . . 17.5 volts A.C.*
6507
DET. AMP.
6SK7 I.F. AMP.
(see Fig. 1). Return the loop to its original position before proceeding with 550 KC . . . 17.0 volts A.C."
- the balance of the alignment. - *Measurements made with A.C.
Fig. 2 Socket Voltages V.T.V.M., input loading above
Upon completion of the I.F. Alignment, the variable condenser should
be "Rocked" to assure that the I.F.s have not been aligned to the image 10 megohms.
Frequency.
Electrical Rating
The procedure outlined in steps 2 to 4 utilizes a standard test loop.
Connect the test oscillator leads across this loop and place it in a vertical position about two feet from the receiver loop.
NOTE: Hazeltine Test Loop No. 1150.
ALIGNMENT CHART
Line Voltage . . . 110-120 volts, 50-60 cycle A.C. Power Consumption . . . 33 watts
Tuning Frequency Range
540 to 1740 kc
6SA7 CONVERTER
STEP
1
CONNECT TEST OSC.
TO
Mixer grid & Grd. .01 Mfd. Dummy Load
TEST OSC. SETTING
455 KC
POINTER SETTING
550 KC
ADJUST FOR MAXIMUM
OUTPUT
Trimmers A, B, C 6 D
Intermediate Frequency 455 kc
Electrical Power Output Maximum . . 2.8 watts
2
Standard
Test Loop*
1740 KC
1740 KC
Trimmer F to 1750 KC
Loudspeaker Type . . . Permanent Magnet
3
Standard
1500 KC
1500 KC
Test Loop*
Trimmer E
Outside Cone Diameter . . . 5" Voice Coil Impedente . . . 3.2 ohms at 400 cycles Magnet Rating . . . 1.0 oz. Alnico No. 5
4
Standard
Test Loop*
600 KC
600 KC
*REMARKS: Hazeltine Test Loop No. 1150.
Loop
STAGE GAIN MEASUREMENTS
... Dummy Antenna
200 mmf
... Volume Control
Maximum
Standard Output . . . 50 mw
All D.C. voltages measured with a vacuum tube voltmeter from Locket contacts to chassis. A.C. voltages measured with a 1000 ohm per volt A.C. meter from socket contacts to chassis. Volume control fully advanced. No signal. 117 A.C. line voltage. All voltages shown are positive D.C. unless otherwise noted.
Converter grid to 1st I.F. grid . . . 63 X at 1000 KC Converter grid to 1st 1.F. grid . . . 72 X at 455 KC 1st I.F. grid to 2nd detector . . . 75 X at 455 KC Overall audio gain . . . 356 X at .5 watts 400 cycles
© John F. Rider
www.americanradiohistory.com
PAGE 15-10 PACK. -BELL
MODEL 566 MODEL 661
PACKARD BELL CO.
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www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE 15-11 MODEL 651
TWISTED PAIR C -I
6SK7
o
1L210C0-5
5700 a
65117
L-5
ila
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\
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IWATT
27ö6' Az4
R-9
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TO HEATERS T-47
r -a7
_
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0-10 20MfD
R -I4
270 I WATT
Tube
6SK7 6SA7 6SK7 6SQ7
6K6 -GT 6X5 -GT
Function R.F. Amplifier Frequency Converter I.F. Amplifier Diode Detector, 1st Audio Amplifier
Power Amplifier Rectifier
'STAGE GAIN MEASUREMENTS
... Dummy Antenna 200 mmf
... SVtoalnudmaerdCOonuttrpoul t...
50 mw maximum
... Antenna to R.F. grid 8X at 1000 KC ... R.F. grid to converter grid 4X at 1000 KC ... Converter grid to 1st I.F. grid 45X at 455 KC ... 1st I.F. grid to 2nd detector 70X at 455 KC ... Overall audio gain 600X at .5 watts 400 cps
'NOTE: Measurements made with A.C. V.T.V.M. AVC shorted out.
OSCILLATOR GRID VOLTAGES
117 AC line voltage
1740 KC . . . 2.5 volts AC'
1200 KC . . . 2.6 volts AC'
... 750 KC . . . 2.8 volts AC'
540 KC
2.7 volts AC'
'NOTE: Measurements made with A.C. V.T.V.M. Input loading above 10 megohms.
D.C. RESISTANCE 1st I.F. Coil
primary . . . 14.5 ohms secondary . . . 14.5 ohms
MEASUREMENTS
2nd I.F. Coil
primary . . . 14.5 ohms secondary . . . 15 ohms
TUNING FREQUENCY RANGE
... Standard Broadcast 540 to 1740 KC ... Short Wave 5.7 to 18.2 MC
INTERMEDIATE FREQUENCY 455 KC
... ELECTRICAL POWER OUTPUT Maximum 2.5 watts
LOUDSPEAKER
... Type Permanent Magnet ... Outside Cone Diameter 5" ... Voice Coil Impedance 3.2 ohms at 400 cycles ... Magnet Rating 1 Oz. Alnico 5
All voltages measured from socket contacts to chassis. D.C. voltages measured with a vacuum tube voltmeter. A.C. voltages measured with a 1000 ohms per volt A.C. meter.
Volume control maximum. No signal. 117 volts A.C. line voltage. All voltages shown are positive D.C. unless o'herwise noted.
6X5-GT/G
Oscillator Coil: (Short Wave and Standard Broadcast wound on same form.)
6K6 -GT
Short Wave: Start to finish . . . 2 ohms Start to tap . . . 1 ohm
Broadcast: Primary . . . 2 ohms Secondary . . . 9 ohms
ELECTRICAL RATING
... Line Voltage 110-120 volt 50-60 cycle AC ... Power Consumption 30 watts
1 ,- 6SA7
6567
0
0.2-0 0
0 0
2.5
100 H
97
6SA7 97 167 I. Y:j'
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i 5.9 V A.0
167
- FIG. 2 VOLTAGE CHART
6567
©John F. Rider
www.americanradiohistory.com
PAGE 15-12 PACK. -BELL
MODEL 651
Ilcia444:ed deiteonalics rr
PACKARD BELL CO.
R.F. AMP.
65K7
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TRIMMER COMPOSED
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C4-2
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BAND -SWITCH SHOWN AT 1ST POSITION. BROADCAST BAND
540 TO 1740KC
L5 54
R.F. AMP.
G5K7
/T
CONVERTER
6SA7
Io
io
L5
L
GANGED
BAND -SWITCH SHOWN AT 2ND POSITION COUNTERCLOCKWISE
SHORT WAVE BAND
5.7 TO 18.2 Mc.
©John F. Rider
www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE 15-1J3 MODEL 651
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www.americanradiohistory.com
PAGE 15-14 PACK. -BELL
MODEL 661
PACKARD BELL CO.
6SG7 3-30
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PACKARD BELL CO MODEL 661
52
R4010 -PHONO SWITCH
R9 470 K
SWITCH SHOWN IN PHONO POSITION
E PM
R II 470
Cl
.01
RIO 3 MEG
ALIGNMENT CHART
CONNECT TEST OSC. STEP TO
TEST OSC. SETTING
ADJUST POINTER MENT SETTING FOR MAX.
OUTPUT
FIG. 2 TRIMMER LOCATION
1 Mixer Grid & Grd. .01 Mfd. Capacitor
455 KC
540 KC Trimmers
A, B, C & D
ALIGNMENT PROCEDURE
2 Standard* Test Loop
1740 KC 1740 KC
Alignment procedure consists of the 5 steps outlined in the 3 Standard*
Alignment Procedure Chart.
Test Loop
Connect the test oscillator leads to the mixer grid and
ground in series with an .01 Mfd. capacitor (dummy load) 4 Standard*
for step No. 1. I.F. Alignement. Upon completing this step
Test Loop
"Rock" the variable condenser to assure that the I.F.s have not been aligned to the image frequency.
5
REPEAT
600 KC 600 KC 1500 KC 1500 KC
STEPS 2, 3 & 4
Use the Hazeltine Standard Test Loop No. 1150, or a reasonable substitute, for the balance of the alignment.
"NOTE: Hazeltine Test Loop No.
1150
Place the test loop about two feet from the receiver loop
in a vertical position.
It will be noted that all alignment trimmers are accessible
without removing the chassis from the cabinet. (See Fig. 2, Trimmer location.)
Trimmer F to 1740 KC
Trimmer E to 600 KC
Trimmers
G& H
®John F. Rider
Record Changer: Detrola Model 550 For Parts list, see P.15-10
www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE 15-15 MODEL 661
TUNING SHAFT
DETAIL A.
All D.C. voltages measured with a vacuum tube voltmeter from socket contacts to chassis.-A.C. voltages measured with a 1000 ohms per volt A.C. meter from socket contacts to chassis.-Volume and tone controls maximum.-Switch in Radio position.-No signal.-A11 voltages shown are positive D.C. unless otherwise noted.
6S07
6801
O0 ° IC©O%O4 .3
ºoe 5.9e
The permanent magnet speaker contained in this model is equipped with the ADJUST-A -CONE feature. This feature pro'vides the radio service technician with a quick and simple means of centering an "Off Center" or "Dragging"
deb, ºos
voice coil.
freeN es
Centering the voice coil is accomplished by simply ad-
o 0
-se justing the two screws on the spider support until the voice
5Y3 GTiG z55
6V6 GT/G
'R00 ºu .43 2.114
o
vac.
el 6SK7
6SA7
coil moves freely in the air gap. This adjustment is very critical, consequently the use of an audio oscillator is recommended. Set the audio oscillator at cone resonance, which
FIG. 1 SOCKET VOLTAGES
should be approximately 120 cycles, when making this adjustment.
In most cases, a very slight turn of either adjustment
STAGE GAIN MEASUREMENTS:
screw will correct an "Off Center" voice coil.
Measurements taken with maximum.
Switch in RADIO position. AVC shorted out.
volume
and
tone
controls In the first run of sets a 39 ohm resistor was used in the cathode circuit of the 6SG7. This resistor has been replaced by a 220 ohm resistor. This change was made to stabilize the R.F., thereby eliminating critical dressing of leads surrounding the 6SG7.
Standard Output . . . 50 milliwatts
... Dummy Antenna . . . 200 Mmf.
Antenna to R.F. Grid
4X at
R.F. Grid to Converter Grid .
Converter Grid to 1st I.F. Grid .
1000 KC
21X at 1000 KC . . 32X at 1000 KC
Ist I.F. Grid to Overall Audio
2nd Detector Gain . . . 253X
. 48X at 455 KC at .5 watts 400 cycles
Electrical Rating : Line Voltage . 110-120 volts, 50-60 cycle A.C. Power Consumption . . . 68 watts
Tuning Frequency Range: 540 to 1740 KC
Intermediate Frequency:
455 KC
OSCILLATOR
Measured at tube voltmeter
CATHODE VOLTAGES: 120 volts AC line voltage with AC input loading above 10 megohms.
vacuum
Electrical Output: Maximum . . . 4 watts
1500KC.. . 2.75 volts AC 1000KC.. . 2.5 volts AC
800 KC . . . 2.62 volts AC
600KC.. . 2.9 volts AC
Loudspeaker: Type . Permanent Magnet Outside Cone Diameter . . . 6%" Voice Coil Impedance . 3.5 ohms at 400 cycles
D.C. RESISTANCE MEASUREMENTS:
Magnet Rating . . . 2.15 Oz. Alnico 5
1st & 2nd I.F. Coils Primary . . . 14.5 ohms Secondary . . . 14.5 ohms
Antenna Coil Start to Tap . Start to Finish .
. .
.
.
1.5 ohms 2 ohms
Tubes: Tube
6SG7
Function R.F. Amplifier
Oscillator Coil Primary . . . 1 ohm Secondary . . . 6 ohms
R.F. Coil Primary . . . 58 ohms Secondary . . . 4.2 ohms
6SA7 6SK7 6SQ7
Frequency Converter I.F. Amplifier Detector Amplifier
NOTE: Due resistance on
to the variation of all coils is subject
winding to a 20%
methods, the tolerance.
D.C.
6V6-GT/G Power Amplifier 5Y3-GT/G Rectifier
©John F. Rider
www.americanradiohistory.com
PAGE 15-16 PACK. -BELL MODEL 1052
PACKARD BELL CO.
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PACKARD BELL CO.
PACK. -BELL PAGE 15-17
MODEL 1052
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PAGE 15-18 PACK. -BELL MODEL 1052
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PACK. -BELL PAGE 15-19 MODEL 1052
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www.americanradiohistory.com
PAGE 15-20 PACK.-BELL MODEL 1052
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www.americanradiohistory.com
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PACKARD BELL CO.
PACK. -BELL PAGE 15-21 MODEL 1052
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PAGE 15-22 PACK. -BELL MODEL 1052
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PACKARD BELL CO.
PACK. -BELL PAGE 15-23 MODEL 1052
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www.americanradiohistory.com
PAGE 15-24 PACK.-BELL MODEL 1052
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PACKARD BELL CO.
PACK.-BELL PAGE 15-25 MODEL 10527
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www.americanradiohistory.com
PAGE 15-26 PACK. -BELL MODEL 1052
PACKARD BELL CO.
Expanson is switched into grid of 1st audio, (6SF7) when "RADIO RECEIVE" button is depressed by connecting switch contacts B-5 and B-6.
Expansion is switched into grid of 1st audio, (6SF7) when "PHONO" button is depressed by connecting switch contacts C-4 and C-5.
Compression switched out of Radio Receive by breaking contact from B-4 to B-5.
Compression switched out of Phonograph by breaking contact from C-3 to C-4.
Compression is in circuit on ALL RECORD POSITIONS and PUBLIC ADDRESS.
Expansion is in the circuit ONLY when the "RADIO
RECEIVE" and "PHONO" buttons are depressed.
ALIGNMENT PROCEDURE
Alignment procedure consists of the 7 steps outlined in the Alignment' Procedure Chart.
Connect the test oscillator leads to the mixer grid and ground in series with an .01 Mfd. capacitor (dummy load) for step No. 1, I.F. alignment. Upon completing this step, "Rock" the variable condenser to assure that the I.F.s have not been aligned to the image frequency.
Use the Hazeltine Standard Test Loop #1150 for the balance of the alignment. Place the test loop about two feet from the receiver loop in a vertical position.
6S K7 6SF7
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62 VAG
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Step
Connect Test Osc.
To
Test
Osc. Setting
Pointer Setting
Mixer Grid & 1 Grd..01 Mfd.
Capacitor
455 KC
540 KC
2 Standard Test Loop'
1750 KC 1750 KC
3 Standard Test Loop*
600 KC
600 KC
4
Standard
1500 KC 1500 KC
Test Loop
5
Repeat Steps 2, 3 & 4
Adjustment
for Maximum
Output
Trimmers ABC & D
Trimmer F to 1750 KC
Trimmer G to 600 KC
Trimmers I &J
--
6
Standard
Test Loop
18 MC
18 MC
Trimmer E to 18 MC
7 Standard Test Loop
15 MC
15 MC
*REMARKS: Hazeltine Test Loop No. 1150.
Trimmers K &H
6SF7
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6H6
1,0 6.2 VAC
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6V6-GT/G
271
280 VAC FIG. 2 VOLTAGE CHART
All D.C. voltages measured with a vacuum tube voltmeter from socket contacts to chassis. A.C. voltages measured with a 1000 ohms per volt A.C. meter from socket contacts to chassis. Volume control maximum. No signal. 117 volts A.C. line voltage. All voltages shown are positive D.C. unless otherwise noted.
Recording Head Pressure
The proper recording head pre
may be identified by
the small red dot painted on the indicator on the cutter arm.
This pressure is 11/4 Oz.
BC RF TRIMMER
H - S.W ANTENNA TRIMMER
-K/4
SW RF TRIMMER
I- BC ANTENNA TRIMMER
lü\B IST I. F.
7MIC. MIXER CONTROL
S.W OSO. TRIMMER B.C. OSO. TRIMMER B.G. PADDE
D
/RADIO MIXER CONTROL
IiOUTPUT
TRANSFORM.
POWER TRANSFORM.
FIG. 1 TRIMMER LOCATION
Brief Description of Expansion and Compression Circuits V6, 6SF7 and V9, 6H6 embrace the expansion circuit. Refer-
ring to Figure 3, Schematic Diagram, it will be noted that expansion is present in the circuit at all times on Phono and Radio Receive. V6, 6SF7 serves as the 2nd Detector and expansion amplifier, while V9, 6H6 functions as the expansion rectifier in one diode section and furnishes delayed audio AVC in the other diode section. V8, 6H6 functions as the compressor.
How to Check Expansion Voltage The following method is suggested for checking expansion
voltage.
Feed a 1 volt (RMS) 400 cycle signal into the phono input plug. Make certain the phono button is depressed. Connect the leads of a vacuum tube voltmeter* to the location indicated on Figure 3, Schematic Diagram and ground. The voltage at this point should be between 3 and 4 volts positive DC. As a cross check measure the cathode voltage of V7, 6SF7 which should read about 5 volts DC. The expansion voltage should be approximately 1 volt less.
How to Check Compression Voltage Depress the Radio Record button. Feed a 1 volt (RMS) 400
cycle signal into the diode return of the 2nd I.F. (brown lead). In the same manner outlined in the preceding paragraph measure the compression voltage, which should be approximately a minus 2 to 3 volts DC. *NOTE: VTVM input loading above 10 megohms.
©John F. Rider
www.americanradiohistory.com
Part Ref. No. Symbol
23500C
23206
23006
23400A
23401
23225
23402 23207A 23010
23017
23018
23016 23007
23003
23001
23002 23019 24006 24002 24001
23901 23901 28004A 29303A 29401 29400 29201 29205 320038 32501 36019 36021 380028 40002 40100A 41002 47004 52001A 52014 52023 54001 57001B 57002 57003 58001A 58006 59003 59001 59002 62004D 62005D 63002A 63003A 66005 66008 67001A 68038 69001 69004 69005
C1-1 C1-2 C1-3 C2-1 C2-2 C3-1 C3-2 C3-3 C3-4 C3-5 C3-6 C4-1 C4-2 C4-3 C4-4 C4-5 C4-6 C5-1 C5-2 C5-3 C6
C7 C8-1 C8-2 C8-3 C8-4 C8-5 C8-6 C8-7 C8-8
C9 -I
C9-2 C9-3 C9-4 C12
C13 -i
C13-2 C13-3 C14-1 C14-2 C1S-1 C15-2 C16 C17 C18 C19 C20-1 C20-2 C21-1 C21-2
LI
L2
L3 L4 L5
PACKARD BELL CO.
PACK. -BELL PAGE 15-27 MODEL 1052
Description
Capacitor, variable: 3 gang
Capacitor, mica: 220 Mmf., 20%
Capacitor, paper: .01 Mfd., 600 volt
Capacitor, trimmer: dual 3-30 Mmf.
Capacitor, trimmer: dual 3-30 Mmf. Capacitor, mica: 47 Mmf., 20%
Capacitor, padder: 300 to 800 Mmf. Capacitor, mica: 4900 Mmf., 5% Capacitor, paper: .05 Mfd., 600 Volt
Capacitor, paper: .05 Mfd., 200 volt
Capacitor, paper: .2 Mfd., 200 volt
Capacitor, paper: .003 Mfd., 600 volt Capacitor, paper: .02 Mfd., 600 volt
Capacitor, paper: .004 Mfd., 600 volt Capacitor, paper: .001 Mfd., 600 volt Capacitor, paper: .002 Mfd., 600 volt Capacitor, paper: .1 Mfd., 200 volt Capacitor, electrolytic: 25 Mfd., 25 WV Capacitor, electrolytic: 10 Mfd., 450 WV Capacitor, electrolytic: 20 Mfd., 450 WV
Capacitor, paper: 2X .006 Mfd., 600 volt (enclosed in metal case)
Clip, turntable holding Loop Ass'y, antenna Coil, antenna: short wave Coil, antenna: standard broadcast Coil, oscillator: short wave Coil, oscillator: standard broadcast Cord, A.C. Cord, waxed linen Recording head, (cutting head) Cartridge, recording head Dial scale Dial cord Dial drive, vernier Escutcheon, motor switch Grille, front panel Knob, round: controls Knob, bar: controls Knob, push buttons Lamp, dial: T-44 Microphone with cable Handle, microphone Base, microphone Motor, A.C.: recorder & phono Turntable, recorder & phono Needle, permanent: phono
(alternate for above) Stylus (recording needle) Panel, front Panel, motorboard Pick-up, phono: ass'y Cartridge, phono pick-up Plug, microphone Plug, AC motor Pointer ass'y, dial scale Decal, bandswitch Pulley, dial Pulley, idler Pulley, drive
Part Ref. No. Symbol
Description
12002A 14004A 21005D 21019C 210200 22001 22004A 22005
Baffle, speaker
Base, phono pick-up Cabinet, wood: fabricoid covered Cabinet, power cord holder Cabinet, mike cord holder Cable, loop antenna Cable, speaker
Cable, phono pick-up
73055
73017
73025 73053
R1-1 Rl -2
R2-1 R2-2
R3 R4-1 R4-2 R4-3
Resistor, carbon: 2.2 megohm, 20%, 1/2 watt
Resistor, carbon: 220 ohms, 10%, V2 watt
Resistor, carbon: 1000 ohms, 10%, 1/2 watt Resistor, carbon: 1 megohm, 20%, 1/2 watt
73041
73020 73018 73033
R5-1 R5-2 R6 R7 R8-1 R8-2
Resistor, carbon: 22,000 ohms, 10%, V2 watt
Resistor, carbon: 390 ohms, 10%, 1/2 watt Resistor, carbon: 270 ohms, 10%, 1/2 watt Resistor, carbon: 4700 ohms, 10%, 1/2 watt
73026 25800
73049
73060
73051
73057
73022 73047
25500A
73039
25002A 73081 73078 73905 73902
73903 73045 73127 78008 78019 79002 79004 79005 79007 790108 79023 83300 84012 84013 840019 84003 84011 86001 A 86301 86701A 89400A 89003A 63017 10507
R9 R12-1
Resistor, carbon: 1200 ohms, 10%, 1/2 watt Control, mixer: 500,000 ohms
R12-2
R13-1 R 13-2
Resistor, carbon: 220,000 ohms, 20%, 1/2 watt
R134
R13-4
R13-5
R13-6
R13-7 R14-1 R14-2
Resistor, carbon: 56,000 ohms, 10%, 1/2 watt
R 14-3
R 14-4
R14-5 R15-1 R 15-2
Resistor, carbon: 470,000 ohms, 20%, 1/2 watt
R15-3
R15-4
R15-5 R16-1 R16-2
Resistor, carbon: 4.7 megohms, 20%, 1/a watt
R 16-3
R16-4
R16-5
R 16-6 R17 R18-1 R18-2
Resistor, carbon: 560 ohms, 10%, Vs watt Resistor, carbon: 100,000 ohms, 20%,
1/a watt
818-3
R19
Control, volume: 3 section; front 1 megohm
R20
(R20) center 2 megohm (R22) rear 500,000
R22
ohms (R19)
R21-1 R21-2
Resistor, carbon: 15,000 ohms, 10%, V2 watt
R23 & 53 Control, tone: 3 megohm, with AC switch
R24
Resistor, carbon: 150 ohms, 10%, 1 watt
R25
Resistor, carbon: 470 ohms, 19%,1 watt
R26
Resistor, wire wound: 1 ohm, 10%,1 watt
R27
Resistor, wire wound: 2000 ohms, 10%,
5 watt
R28
Resistor, wire wound: 15 ohms, 10%,1 watt
R29
Resistor, carbon:47,000ohms,10%, 1/2 watt
R30
Resistor, carbon: 5600 ohms, 10%, 2 watt
Shield, microphone plug
Shield, AC switch
Socket, tube: 8 prong octal, wafer type
Socket, microphone plug
Socket, speaker & recording head plugs Socket, AC phono motor plug
Socket, dial lamp: bayonet base Socket, loop antenna plug
Speaker, permanent magnet: 6 1/a" Spring, microphone holding
Spring, recording head holding Spring, dial cord
Spring, round & bar knobs
Spring, push button knobs Switch, rotary: wafer type, band switch Switch, push button section
Switch, slide: AC motor, SPST
T1
Transformer, output
T2
Transformer, power
Phono pick-up rest
Automatic cutter arm lift, ass'y
©John F. Rider
www.americanradiohistory.com
PAGE 15-28 PACK. -BELL
MODEL 1052 MODEL 1054
PACKARD BELL CO.
MODEL 1052
MODEL 1054
ELECTRICAL RATING
... Line Voltage 110-120 volts 50-60 cycle AC ... Power Consumption 90 watts
TUNING FREQUENCY RANGE
... Standard Broadcast 540 to 1740 KC ... Short Wave 6 to 18 MC
INTERMEDIATE FREQUENCY 455 KC
ELECTRICAL POWER OUTPUT
... Undistorted 2 watts ... Maximum 4.5 watts
LOUDSPEAKER
Type ... Permanent Magnet ... Outside Cone Diameter 63/4" ... ... Voice Coil Impedance 3.2 ohms at 400 cycles
Magnet Ratng 2.5 Os. Alnico 5
TUBES
Tube
6SK7 6SA7 6SK7 6SF7 6H6
. . . . .
65Q7 65F7 6H6 6V6 -GT 5Y3 -GT
Function R.F. Amplifier
Frequency Converter I.F. Amplifier 2nd Detector & Expansion Amplifier Expansion Rectifier & Delayed Audio AVC Microphone Amplifier 1st Audio
Compression Rectifier Power Amplifier Rectifier
STAGE GAIN MEASUREMENTS
Measurements taken with volume and tone control maximum.
Switch in RADIO Standard Output Dummy Antenna
p....o..s2i5t0i0o0nm.MiAmllViwfC. astthsorted
out.
...... Antenna Grid to R.F. Grid 5X at 1000 KC
R.F. Grid to C
ter Grid 9X at 1000 KC
... Converter Grid to 1st I.F. Grid 64X at 455 KC
... 1st I.F. Grid to 2nd Detector 150X at 455 KC
... Overall Audio Gain 565X at 1 watt 400 cycles
OSCILLATOR CATHODE VOLTAGES
Mea d at 117 volts AC line voltage with A.C.
... V.T.V.M input loading above 10 megohms.
1750 KC
3.15 volts AC
1300 KC . . . 3.10 volts AC
... 750 KC . . . 3.00 volts AC
550 KC
3.4 volts AC
D.C. RESISTANCE MEASUREMENTS
I.F. Coils
1st I.F.
Primary . . . 17 ohms
Secondary . . . 17 ohms
2nd I.F.
... Primary
17 ohms
... Secondary
17 ohms"
*NOTE: The true reading of the secondary of the 2nd I.F. can only be obtained by removing the coil from the can. This is so because of the 56K resistor in series with the AVC lead inside the can.
Oscillator Coils
B roadcast
Short Wave
... Primary . . . 1 ohm
Secondary
6 ohms
Start to Finish . . . 4 ohms Start to Tap . . . 2 ohms
Antenna Coils
... ....25 Broadcast
Short Wave
Start to Finish . . . 12.2 ohms Start to Finish
ohms
Start to Tap
10.5 ohms Start to Tap . . ..20 ohms
R.F. Coils
B roadcast
Short Wave
... Primary . . . 75 ohms
Secondary
6.5 ohms
Primary . . . 5.S ohms Secondary . . . 0.2 ohms
NOTE: Due to the variation of winding methods, the D.C. Resistance of all coils is subject to a 20% tolerance.
Elect-ical Rating
... Line Voltage 110-120 volt 50-60 cycle AC ... Power Consumption 106 watts
..: Tuning Frequency Range
Standard Broadcast
Short Wave . .. 6 to
18
540 MC
to
1740
KC
Intermediate Frequency
455 KC
Electrical Power Output
... Undistorted
3.5 watts
... Maximum
6 watts
Loudspeaker
... Type Permanent Magnet ... Outside Cone Diameter 10" ... Voice Coil Impedence 3.2 ohms at 400 cycles ... Magnet Rating 6.8 Oz. Alnico 5
Tubes Tube 6SK7 6SA7 6SK7 6SF7 6H6
6SQ7 6SF7 6H6 6V6-GT/G 5Y3-GT/G
Function R.F. Amplifier Frequency Converter I.F. Amplifier 2nd Detector & Expansion Amplifier Expansion Rectifier & Delayed Audio
AVC Microphone Amplifier 1st Audio Amplifier Compression Rectifier Power Amplifier Rectifier
STAGE GAIN MEASUREMENTS
Measurements maximum.
taken
with
volume
and
tone
controls
Band switch shorted out.
in
standard
broadcast
position.
AVC
... Standard Output 50 milliwatts
... Dummy Antenna 200 Mmf.
... Antenna Grid to R.F. Grid 6X at 1000 KC
... R.F. Grid to Converter Grid 12.5X at 1000 KC
... Converter Grid to 1st I.F. Grid 61X at 455 KC
... 1st I.F. Grid to 2nd Detector 120X at 455 KC
... Overall Audio Gain 620X at 1 watt 400 cycles
OSCILLATOR CATHODZJ'VOLTAGES
Measured at 117 volts A.C. line voltage V.T.V.M. input loading above 10 megohms.
with
A.C.
... 1750 KC 3.4 volts AC
... 1300 KC 3.2 volts AC
... 750 KC
3.2 volts AC
... 550 KC 3.7 volts AC
D.C. RESISTANCE MEASUREMENTS
I.F. COILS
1st I.F. Primary . . . 17 ohms Secondary . . . 17 ohms
2nd I.F.
... Primary . . 17 ohms
Secondary
17 ohms*
*NOTE: TtTsheoheriiseo2sbnistwdaisintoIh.Ftbht.eheceitatuArmsuVeeuCsortfeleabtadhedienrigen5ms6i,odo0fe0v0ettdhhoeehfrmscoeamcnro.enstidhsaetroyrcaoinnf.
OSCILLATOR COILS
....... Broadcast
Short Wave
Primary . . . 1 ohm Start to Finish 4 ohms
Secondary . . . 6 ohms Start to Tap
2 ohms
ANTENNA COILS
.... Start
Start
to to
FBirnoiashdc.a.st12.2
Tap
10.5
ohms ohms
Start Start
to SFhinoirsthW..a.v.e25
to Tap
20
ohms ohms
R.F. COILS
.... Broadcast
Short Wave
Primary
75 ohms Primary . . . 5.5 ohms
Secondary . 6.5 ohms Secondary . . .2 ohms
NOTE: Due to the variation of winding methods, the D.C.
resistance on all coils is subject to a 20% tolerance.
©John F. Rider
www.americanradiohistory.com
PACKARD BELL CO.
PACK. -BELL PAGE. 15-29 MODEL 1054
©John F. Rider
Record Changer: Packard Bell Model 58004-B
www.americanradiohistory.com
PAGE 15-30 PACK. -BELI. MODEL 1054
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PACK.-BELL PAGE 15-35
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PAGE 15-36 PACK.-BBLL MODEL 1054
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PACK.-BELL PAGE 15-39
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PACKARD BELL CO.
PART REF. NO. SYMBOL
DESCRIPTION
10505
10606 11007A
18037C 18038B 18039A 18043A
18067 21018C 21026
Assembly, switch arm Assembly, pointer Arm, band switch drive coupling Bracket, variable capacitor Mtg. Bracket, band switch Mtg. Bracket, planetary Bracket, dial Bracket, record changer shipping Cabinet, radio Cabinet, record album
23600C Cl-A, B & C Capacitor, variable: 3 gang with pulley
23400A C2-1
Capacitor, trimmer: dual 30 Mmf.
C2-2
C2-3
C2-4
C2-5
C2-6 23228 C3-1
Capacitor, mica: 220 Mmf. 20%
C3-2 23402 C4 23225 C5-1
Capacitor, padder: 300 to 800 Mmf. Capacitor, mica: 47 Mmf. 20%
C5-2
C5-3 23006 C6-1
Capacitor, paper: .05 Mfd. 200 volt
C6-2
C6-3
C6-4
C6-5
23207A C7 23010 C8-1
C8-2
Capacitor, mica: 4900 Mmf. 5% Capacitor, paper( .05 Mfd. 600 volt
C8-3 23017 C9-1
Capacitor, paper: .05 Mfd. 200 volt
C9-2
C9-3
C9-4 23004 C10-1
C10-2
Capacitor, paper: .005 Mfd. 600 volt
C10-3
23019 Cli
23001 C13-1
Capacitor, paper: .1 Mfd. 200 volt Capacitor, paper: .001 Mfd. 600 volt
C13-2
23007 C14-1
Capacitor, paper: .02 Mfd. 600 volt
C14-2
C14-3
23020
24006 23002 24002
C15-1 C15-2 C16
C17 C19-1
Capacitor, paper: .2 Mfd. 400 volt Capacitor, electrolytic: 25 Mfd. 25 WV Capacitor, paper: .002 Mfd. 600 volt Capacitor, electrolytic: 10 Mfd. 450
C19-2
WV
24001 23208 23016
23901
C20-1 C20-2 C21
C22-1 C22-2
C24A & B
23018 C25-1 C25-2
28005A
29306 Ll
29400A L2 29401A L3 29101A L4 29102A L5 29201A L6 29205A L7 29004D L8 29007 L9
32003C 32015 35002 36020 38021A
40101B 40111B 41005
50038 52019A 52020A 52021A 52022A 52023 52024 A
54001
57001B
57002
57003
58004B
59001
59002 62013A 63008 66005 68029 68042 68043
68044
68045
Capacitor, electrolytic: 20 Mfd. 450 WV
Capacitor, mica: 4000 Mmf. 10% Capacitor, paper: .003 Mfd. 600 volt
Capacitor, paper: 2 X .006 Mfd. 600 volt (metal case)
Capacitor, paper: .2 Mfd. 200 volt
Clip ,antenna Loop, antenna Coil, antenna: Std. broadcast Coil, antenna: short wave Coil, R.F.: short wave Coil, R.F.: Std. broadcast Coil, oscillator: short wave Coil, oscillator: Std. broadcast Coil, 1st LF.: 455 KC Coil, 2nd I.F.: 455 KC Cord, AC: 8' Cord, AC: 21/2' Conductor, variable capacitor ground Cutter cartridge Dial scale Drive, planetary Drive, band switch Escutcheon, dial Insulator, antenna connector Knob, control: bleach (set screw) Knob, control: bleach (slip on) Knob, control: walnut (set screw) Knob, control: walnut (slip on) Knob, push button: walnut Knob, push button: bleach Lamp, dial: T-44; bayonet base Microphone with cable Microphone handle Microphone base Record changer Needle, permanent: phono Needle, cutter: (stylus) Panel, cabinet back Pick-up, crystal: cartridge (phono) Plug, microphone Operating instructions Decal, volume control Decal, tone control Decal, push buttons Decal, tuning
PART REF. NO. SYMBOL
DESCRIPTION
68048 69003A
Decal, band switch Pulley, dial
69007 69001 73055
73017
73026
R1-1 R1-2 R2-1 R2-2
R3
73053
73041 73127
R4-1 R4-2 R4-3 R5-1 R5-2 R6
73049
73060 73042
R7-1 R7-2 R7-3 R7-4 R7-5 R7-6 R7-7 R9-1 R9-2
128
73067
73051
73054 73076 73126
R10-1
R10-2 R10-3
R10-4 R10-5 R11-1 R11-2
R11-3 R11-4 R11-5 R12-1 R12-2 R13-1 R13-2
R14
73022 R15
73077 R16
73907 R17
Pulley, drive: 50 cycle operation
Pulley, dial
Resistor, carbon: 2.2 megohms, 20%,
I/z watt
Resistor, carbon: watt
220 ohms,
10%,
1/2
Resistor, carbon: watt
1200
ohms, 10%,
1/z
Resistor, carbon: 1 megohm, 20%, 1/z watt
Resistor, carbon: 22,000 ohms, 10%, 1/2 watt
Resistor, carbon: 5600 ohms, 10%, 2 watt
Resistor, carbon: 220,000 ohms, 20%, V2 watt
Resistor, watt
carbon:
56,000
ohms,
10%,
1/2
Resistor, carbon: 27,000 ohms, 10%, 1/2 watt
Resistor, carbon: 4.7 megohms, 20%,
1/2 watt
Resistor, carbon, 470,000 ohms, 20%, 1/2 watt
Resistor, carbon: 1.5 meghoms, 20%, 1/2 watt
Resistor, carbon: 56,000 ohms, 10%, 1 watt
Resistor, carbon: 1500 ohms, 10%, 2 a' att
Resistor, carbon: 560 ohms, 10%, 1/2 watt
Resistor, carbon: 180 ohms, 10%, 2 watt
Resistor, wire wound: 2500 ohms, 10%, 5 watt
73120 R18
Resistor, carbon: 1000 ohms, 10%, 2 watt
73047 73037 73030
R19-1 R19-2 R20
R21
Resistor, carbon: 100,000 ohms, 20%, 1/2 watt
Resistor, carbon: 10,000 ohms, 10%, 1/z watt
Resistor, carbon: 2700 ohms, 10%, 1/2 watt
25800 R22-1
Control, mixer: 500,000 ohms
R22-2
25500A R23A, B & CControl, volume: 3 section; section A
1 megohm, section B 2 megohms,
section C 500,000 ohms
25002A R24
Control, tone: 3 megohms, with AC
switch
73025 R25
Resistor, carbon: 1000 ohms, 10%, 1/=
watt
73033 R26
Resistor, carbon: watt
4700
ohms,
10%,
1/2
73020 R27 73903 R28
Resistor, carbon: 390 ohms, 10%, 1/2 watt
Resistor, wire wound: 15 ohms, 10%, 1 watt
73910 R29
Resistor, wire wound: .5 ohm, 10%, 1 watt
73039 R30
78008 79002 79004 79005 79007 79009 79018
Resistor, carbon: 15,000 ohms, 10%, 1/2 watt
Shield, microphone plug Socket, tube: 8 prong octal; wafer type Socket, microphone Socket, antenna & phono Socket, phono motor Socket, dial lamp: bayonet base Socket, speaker & cutter
79021
Socket, tube: 8 prong octal; black bake;ite
83701
Speaker, permanent magnet: 10"
84001B
Spring, dial
84011
86001A Si
Spring, push button knob Switch, rotary: 3 gang; wafer type;
band switch
86301 S2 86802
Switch, push button Switch, micro: part of automatic cut-
ter stop
89409B T1
Transformer, output
89006C T2
Transformer, power
©John F. Rider
www.americanradiohistory.com
PACK. -BELL PAGE.15-41
©John F. Rider
Record Changer:Detrola Model 550
PAGE 15-42 PACK. -BELL MODEL 662
PACKARD BELL CO.
Chassis mounting procedure will be found on the tube layout -license label.
To Service tubes, remove plate in record changer compartment.
Referring to Figure 4, Record Changer Motor Diagram, a 50 ohm, 10 watt resistor will be noted in series with the motor. This resistor was added after an early run to avoid motor heating on 50 cycle current. The resistor is enclosed in a small metal shield. The addition of this resistor does not, in any manner, detract from the efficiency of the motor on 50 or 60 cycle operation.
ALIGNMENT PROCEDURE Alignment Procedure consists of the 5 steps outlined in the Alignment Procedure Chart. Connect the test oscillator leads to the mixer grid and ground in series with an .01 Mfd. capacitor (dummy load) for step No. 1, I.F. Alignment. Upon completion of this step "Rock" the variable condenser to assure that the I.F.s have been aligned to the correct frequency. Output should remain constant for any setting of variable capacitor. Use the Hazeltine Standard Test Loop No. 1150, or a reasonable substitute, for the balance of the alignment. Place the test loop about two feet from the receiver loop in a vertical position.
It will be noted that all alignment trimmers are accessable without removing the chassis from the cabinet.
IMPORTANT NOTICE: Make certain that each alignment is done with a minimum input signal.
ALIGNMENT CHART
SPECIFICATIONS
........ Overall Dimensions:
Height
26%"
Width
29%"
....... Depth
Weight
18';í"
70 Lbs.
... Electrical Rating: Line Voltage .
. 110-120 volts, 50-60 cycle A.C.
Power Consumption
67 watts
Tuning Frequency Range: 540 to 1740 KC
Intermediate Frequency:
455 KC
Electrical Output: 5 watts maximum
Loudspeaker:
... Type . Permanent Magnet
Outside Cone Diameter
10"
Voice Coil Impedance . 3.5 ohms at 400 cycles
Magnet Rating . . . 4.64 Oz. Alnico 5
Pubes: Tube 6SK7 6SA7
6SK7 6SQ7 6V6-GT/G 5Y3-GT/G
Function R.F. Amplifier Frequency Converter I.F. Amplifier Detector -Amplifier Power Amplifier Rectifier
GENERAL INFORMATION
wapeiMtsrhmpoedacaenriltaelnla6ytu6m2tdoaemisgsiangtaeinctecdsorpenehcsaioogklrhede,r.icmrahIpdtaeinoidgs-aephnrh.ocouensTeolohdgoirsipanpmahanowtdceeoonlomndaebcminaapbanltidoinoyenast
of bleach or walnut design.
For service information concerning the record changer,
refer This
to the record
Model 550 Automatic Record Changer Manual. changer is also used on Packard-Bell Model
661.
TEST
ADJUST
CONNECT OSC. POINTER FOR MAX.
TEST OSC. SETTING SETTING OUTPUT
STEP 1 Mixer Grid
&Grd.(.01
Mfd. Cap.)
455 KC
540 KC Trimmers
A,B,C&P
2
Standard Test Loop*
1740 KC
1740 KC
Trimmer G to 1740 KC
3 Standard
Rock -
Test Loop* 600 KC Variable Padder E
4 Standard Test Loop* 1500 KC
Trimmers
1500 KC
F & H
5 Repeat Steps 2, 3, & 4
NOTE:
Hazeltine Test Loop substitute)
No. 1150
(or a
reasonable
POWER TRANSFORMER
ANTENNA PLUG
F -ANTENNA TRIMMER
PHONO MOTOR
E -OSCILLATOR PADDER
5Y3 GT/G
6V6
GTiG
O
OUTPUT TRANSFORMER C
2No1.F.
VARIABLE CONDENSER
TRIMMER HR.C -OSCILLATOR TRIMMER
FIGURE 2 TRIMMER LOCATION
()John F. Rider
PACKARD BELL CO.
PACK. -BELL PAGE 15-43
SPECIAL SERVICE INFORMATION
D.C. Resistance Measurements:
1st & 2nd I.F. Coils
Primary . Secondary
. . 17 ohms . . 17 ohms*NOTE:
To
obtain
the
true
Oscillator Coil
reading of the secondary
Primary ohm . 1 . . . of the 2nd I.F. Coil, it must
Secondary
6 ohms
R.F. Coil
Primary . . . 58 ohms
be removed from the can. This is so because of the
Secondary . . . 4.2 ohms 47K resistor inside the can.
NOTICE: The D.C. Resistance measurements on all coils are subject to a 20% tolerance due to the variation of winding methods.
STAGE GAIN MEASUREMENTS: Measurements taken with volume and tone controls
maximum.
Switch in RADIO position.
AVC shorted out.
Standard Output . . . 50 milliwatts
Dummy Antenna . . . 200 Mmf.
Antenna to R.F. Grid . . 6% at 1000 KC
R.F. Grid to Converter Grid . 7% at 1000 KC
... Converter Grid to 1st I.F. Grid . 46X at 465 KC
1st I.F. Grid to 2nd Detector
62% at 466 KC
Overall Audio Gain . . . 320X at .5 watts 400 cycles
OSCILLATOR CATHODE VOLTAGES: Measured at 120 volts AC line voltage with AC vacuum
tube voltmeter input loading above 10 megohms.
1500 KC . . . 2.25 volts AC
... 1000 KC . . . 2.15 volts AC
800 KC
2.3 volts AC
600 KC . . . 2.5 volts AC
All D.C. voltages measured with a vacuum tube volt-
- meter from socket contacts to chassis. A.C. voltages
measured with
- socket contacts
a 1000 ohms to chassis.
per volt Volume
A.C. meter from and tone controls
- - - maximum. Switch in Radio position. No signal.
All voltages shown are positive D.C. unless otherwise noted.
6SQ7
190
6SK7
o
-1.0
o
5.9 V.A.G.
85
o
-.70 .70 5.9
V.A.0 84
o .55 2.4
'4, 5.9
V.A.0 -9.2
6V6 GTiG 230
6SA7 GT/G
190
84 -7.0
265
190
o
V.A.G.
o
245
5Y3 GTiG
265 V.A.C.
5.9 V.A.C.
.45 84
6SK7
FIGURE 1 SOCKET VOLTAGES
PART NO.
REF. SYMBOL
TABLE OF REPLACEABLE PARTS
DESCRIPTION
PART NO.
REF. SYMBOL
DESCRIPTION
19010 21036G
23500C 23401
23406 23228
23226
23009
23402 23004
23229 23007 24001-3
24003
29310A 29102A 29205A 29004D 29007 32003C 34002D 38034A 40002 52001A 54001 58008 59001 65032 66004 66005 66008 67004 67014 73055
Bushing, drive Cabinet
C1A,B&CCapacitor, variable: 3 gang
C2-1
Capacitor, trimmer: 3-30 Mmf.
C2-2
C2-3
Capacitor, trimmer: 3-30 Mmf.
C3-1
Capacitor, mica: 220 Mmf. 20%
C3-2
C4-1
Capacitor, mica: 47 Mmf. 20'7,-
C4-2
C5-1
Capacitor, paper: .05 Mfd. 400 volt
C5-2
C5-3
C6
Capacitor, padder: 300-800 Mmf.
C7-1
Capacitor, paper: .005 Mfd. 600 volt
C7-2
C8
Capacitor, mica: 470 Mmf. 20%
C9
Capacitor, paper: .02 Mfd. 600 volt
C10
Capacitor, electrolytic: 20 Mfd. 450
volt
C11 L1 L2 L3 L4 L5
R1-1 R1-2
Capacitor, electrolytic: 20 Mfd. 350 volt
Loop antenna, high impedance Coil, R.F. Coil, oscillator Coil, 1st I.F.: 455 KC Coil, 2nd I.F.: 455 KC Cord, A.C.: 8' Cover, volume control Dial scale Dial drive cord Knob. plastic Dial lamp, bayonet base: 250 M A Record changer Needle, phono: permanent Plate, front Plug, speaker & phono Plug, antenna Plug, A.C. Pointer slide Pointer, wire Resistor, carbon: 2.2 megohms, 20%,
1/4 watt
73008
73041
73020
73053
25010B
73067
73049
78061
73022
73126
73214
73081
25506B 73911
77014E 78028 79002
79004' 79005 79007 79010B 83703 84001B 84003A 84015 86008
89409C 89010A
R2-1 R2-2 R3 R4 R6
R6&Sl
R7 R8 R9 R10 R11 R12 R13 R14 R15
S2 T1 T2
Resistor, carbon: 39 ohms, 10%, its watt
Resistor, carbon: 22,000 ohms, 10%, '4 watt
Resistor, carbon: 390 ohms, 10%, % watt
Resistor, carbon: 1 megohm, 20%, '
watt Control, volume: 1 megohm, tapped at
200,000 ohms; with' A.C. switch Resistor, carbon: 4.7 megohms, 20%,
54 watt
Re1sistwora,ttcarbon: 220,000 ohms, 20%,
Resistor, carbon: 470,000 ohms, 20%, % watt
Resistor, carbon: 660 ohms, 10%, % watt
Resistor, carbon: 10,000 ohms, 10%, 2 watt
Resistor, carbon: 2000 ohms, 10%, 2 watt
Resistor, carbon: 160 ohms, 10%, 1 watt
Control, tone: 5 megohms Resistor, wire wound: 50 ohms, 10
watt Shaft, dial Shield, light Socket, tube: 8 prong octal, wafer
type Socket, antenna Socket, phono Socket, A.C. Socket, dial lamp: bayonet base Speaker, permanent magnet: 10" Spring, dial cord Spring, knob Spring, conical: changer mounting Switch, rotary: wafer type, single sec.
tion, phono-radio Transformer, output Transformer, power
©John F. Rider
PAGE 15-44 PACK. -BELL MODEL 662
TUNING SHAFT
PACKARD BELL CO.
FULL TURNS
ISOMETRIC VIEW OF
DIAL CABLING
FIGURE 3
Dial Cord Diagram
MOTOR SWITCH
- - - --J L
«UM
WM»
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METAL
RI5
50.n.
SHIELD
10 WATT
©John F. Rider
FIGURE 4
Record CAianger Motor Diagram
PHILHARMONIC PAGE 15.1 MODEL RR -13L
PHILHARMONIC RADIO CORP.
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©John F. Rider
www.americanradiohistory.com
PAGE 15-2 PHILHARMONIC
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MODEL RR-13L
PHILHARMONIC RADIO CORP.
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SHORT WAVE BAND 5.7 - 16 MC.
-
©John F. Rider
www.americanradiohistory.com
PHILHARMONIC PAGE 15-3
MODEL RR-14 PHILHARMONIC RADIO CORP.
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www.americanradiohistory.com
"Cla,ieed ddiefetaiied,"
PAGE 15-4 PHILHARMONIC MODEL RR-14
PHILHARMONIC RADIO CORP.
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B.C. ANT. LOOP
R 20
B.C. LOADING
COIL
65K7
R.F. AMR
6SA7
CONVERTER
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AVC
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Si -d
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65K7
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AND 1ST. AUDIO (65Q7)
INPUT
BROADCAST BAND
NORMAL
IC22 .7S1 -d
B.C: OSC.
©John F. Rider
www.americanradiohistory.com
"Cle.datied ddtedefeliCS" PHILHARMONIC PAGE 15-5 MODEL RR-14
PHILHARMONIC RADIO CORP.
S1 -a
C19
S.W.1 ANT.
6 SA7 CONVERTER
AVC
B+
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AT 4TH POSITION. POLICE BAND
2.3- 7 MC.
S1 -a
C19
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651(7 R.F. AMP.
S1-a
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R23
©John F. Rider
www.americanradiohistory.com
.
www.americanradiohistory.com
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-1
MODELS 46-250, 46-250-I,46-251
Code 121
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PHILCO RADIO & TELEV. CORP.
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P ILCO PAGE 15-3
EIS 46-250, 46-250-I,46-251
Code 121
TUBE
PIN
7A8
1
2
3
4
5
6
7
8
7B7
1
2
3
4
5
6
7
8
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1
2
3
4
5
6
7
8
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2 3
4
5 6 7
8
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6 7 8
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20 10, 000, 000
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20
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65 130
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10, 000, 000 165
10, 000, 000 140
10,000,000
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 PHILCO MODELS 46-250
46-250-1,46-251
Code 121
PHILCO RADIO & TELEV. CORP.
4
©John F. Rider
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-5
MODEL 46350
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www.americanradiohistory.com
VAGE 15-6 PHILCO MODEL 46.350
Code 121
PHILCO RADIO & TELEV. CORP.
BATTERY CONNECTOR
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www.americanradiohistory.com
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-7 }í0D$L 46-350
Code 121
ALIGNMENT
PHILCO 46-350
The receiver should be aligned with the chassis installed in the cabinet. Connect the output meter from the voice coil lug (green wire) on the speaker to ground. Disconnect the blue external antenna lead from ground. Connect the signal generator through a .01 mf condenser to the external antenna lead. Set the receiver volume control at maximum. The tuning condenser should be fully meshed when the dial pointer is at the index mark at the low frequency end of the dial. The signal generator output should at all times be just sufficient to obtain a minimum deflection on the output meter. Set the signal generator to 265 kc. and adjust the intermediate frequency amplifier transformer trimmers for maximum meter deflection in the following sequence: C18, C17, C16, C15. Set the generator and receiver to 1600 kc. and adjust the oscillator shunt trimmer C12 for maximum output. Set the generator and receiver to 580 kc. and adjust the oscillator series padder C10 for maximum output. Proper low frequency adjustment of the oscillator requires rocking the receiver dial slightly while adjusting this trimmer for maximum output. Repeat the adjustment of the oscillator shunt trimmer C12 at 1600 kc. Set the generator and receiver to 1500 kc. and adjust the mIxer trimmer C8 and the r -f trimmer C5 for maximum output.
TUNING
SHAFT AND KNOB
DIAL
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SET AT MAXI MUM
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©John F. Rider
DIAL DRIVE ASSEMBLY TOP VIEW
www.americanradiohistory.com
PAGE 15-8 PHILCO MODEL 46-350
Code 121
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TUBE
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105
105
105
7
0
0
0
OJobn B. Rider
www.americanradiohistory.com
PHILCO PAGE 15-9
MODEL 46350
Code 121
RESISTANCE
50
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2,750,000
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0
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50
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80 90
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0
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PHILCO PAGE 15-11
MODELS 46-420
46-420-I
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www.americanradiohistory.com
PAGE 15-12 PHILCO MODELS 46-420
46-420-I
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www.americanradiohistory.com
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-13 MODELS 46-420
46-420-I
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www.americanradiohistory.com
?AGE 15-14 PHILCO SdODELS 46-420
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PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-15
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PAGE 15-16 PHILCO MODEL 46-480 Code 121
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PHILCO PAGE 15-21 MODEL 46-480
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PAGE 15-22 PHILCO
MODEL 46-480 Code 121 MODEL 46.1226 Code 121
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PHILCO PAGE 15-23
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www.americanradiohistory.com
PAGE 15-24 PHILCO MODEL 46-280
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PAGE 15-26 PHILCO MODEL 46-1201 Code 122
PHILCO RADIO & TELEV. CORP.
ALIGNMENT
PHILCO 46-1201
The receiver should be aligned with the chassis installed in the cabinet. Connect the output meter from the voice coil lug (green wire) on the speaker to ground. Disconnect the blue external antenna lead from ground. Connect the signal generator through a .01 mf condenser to the external antenna lead. Set the receiver volume control at maximum. The tuning condenser should be fully meshed when the dial pointer is at the index mark at the low frequency end of the dial. The signal generator output. should at all times be just sufficient to obtain a minimum deflection on the output meter. Set the signal generator to 455 kc. and adjust the intermediate frequency amplifier transformer trimmers for maximum meter deflection in the following sequence: C10, C9, CR, C7. Set the generator and receiver to 1600 kc. and adjust the oscillator shunt trimmer C6 for maximum output. Set the generator and receiver to 1530 kc. and adjust the r -f trimmer C2 for maximum output.
TUNING C1,C5
C6
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©John F. Rider
PHILCO PAGE 15-27
©John F. Rider
www.americanradiohistory.com
PAGE 15-28 PHILCO
MODEL 46.1201 Code 122
PHILCO RADIO & TELEV. CORP.
SWITCH IN RADIO POSITION
VOLUME CONTROL ON FULL
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SPRING
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PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-29 MODEL 46-12011 Code 122
MOTOR- SWITCH
-TILTING ASSEMBLY PICKUP OPERArtD )
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©John F. Rider
www.americanradiohistory.com
PAGE 15-30 PHILCO
MODEL 46-1201 Code 122
PHILCO RADIO & TELEV. CORP.
RECORD -CENTERING INTERLOCK ARMS
INTERLOCK -ARM TENSIONING
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©John F. Rider
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-31 MODEL 46-1209 Code 121
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PAGE 15-32 PHILCfl
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www.americanradiohistory.com
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PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-33 MODEL 46-1209 Code 121
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1lA
C25
W HITE
01C11
R2 MF 2.2MEG
WHITE.
B
R 60
3N30"0,0 11z 7F8
;
0SG.
ViB
RED ORANGE
D
BROADCAST (MANUAL TUNING)
2" 2 ,5
POSITION CLOCKWISE
CRL
550 -1700 KG
BLACK
ANTENNA TERMINAI STRIP
BLUE
Asp
4
BLACK
20 TURNS
3/8"LONG x
SierWIDE
WH., BL 'TR.
1 16,000 R88
C15
255_I_
C16T
8
AR
7
- GANGED
WH.,BLKTR,
3-oFL
240
C7
2I!t5 C15
BLACK
7 TURNS
/2 7 F 8
VIA
MIXER
oBF1' 9
R6o
240
C 3
1MEG R1
ii50
CS
100_L
C41
RS 15,000
BLUE
^8-2 5
BROWN=
T
`3000
L
RED-
IGREEN
19n A
Cl
tH TE.
.OIMFI
4000
C9 -1- R6
.2ME.91MF
2 =11
J
ztoo
R3
100,000
R4 RED
B WHITE
R 60 33,000
RED
oRANGE 0
1/2 7F8
CV1B
0
T14
5 TURN5
- 3
TURN
YELLOW
o- R`Ó
3RD POSITION CLOCKWISE
10
s-WH., SLK-TR.
II -F7
SHORT WAVE 9.3- 15.5 MC.
©John F. Rider
www.americanradiohistory.com
-)AGE 15-34 PHILCO
MODEL 46.480 MODEL 46-1209
PHILCO RADIO & TELEV. CORP.
ALIGNMENT
PHILCO 1+6-1209
Power should not be turned on in this receiver unless the speaker is connected. The chassis must be removed from the cabinet for alignment. Calibrate the receiver dial backplate as shown in Fig. 1. Page 15-36 The receiver loop should be connected to terminals 1 (high) and 2 (low) of the antenna terminal strip. The output meter should be connected to terminals 3 (high) and 2 (low) of the antenna terminal strip.
Signal Generator Frequency
Receiver Band Switch
Position
Receiver Dial
Position
Adjust for
Maximum
1. 455 kc
2. 1700 kc. 3. 1500 kc. 4. 580 kc.
5. 1700 kc.
6.
15 mc.
Broadcast
Broadcast Broadcast Broadcast
Index mark (condenser plates fully meshed)
1700 kc. 1500 kc.
580 kc.
Broadcast Short Wave
1700 kc. 15 mc.
7.
15 mc.
Short Wave
15 mc.
46-480
PUSH BUTTON ADJUSTMENT
C28 C 26 C25 Coil slug of Ti
c6 Cl Adjust C8 for peak while rocking tuning control. Readjust C6 Starting with trimmer C14 screw loosened, slowly tighten for peak on first signal heard. Image should be obtained with receiver tuned to 15.9 mc. C12
46-1209
Note: Good reception of stations by use of push buttons depends on the accuracy of the manual tuning during the setting -up operation. 1. Allow the receiver to warm up for at least 20 minutes before
setting up any stations. 2. The band switch must be in the push-button position. 3. Choose the most powerful local stations, those which are free from excess fading. Setting up weak or distant stations is not re-
commended. 4+. List the desired stations, in order, from the low to the high frequencies. The station on your list that comes in nearest the left-hand end of the dial should be called station No. 1 and should be set up on button No. 1. Do not skip buttons but set up stations
in numerical order. 5. Insert the proper station call tabs into the recesses of the re-
spective buttons. 6. Manual1r tune in the desired station accurately. 7. Set the baedswitch to the push button position. 8. Push in the button to be set up to its depressed position. 9. Adjust its corresponding oscillator trimmer for the station signal which you tuned in manually above. Peak the adjustment for clearest
reception. 10. Adjust its corresponding antenna trimmer for clearest reception. 11. Repeat the above procedure from step 6 to 10 for each button to
be set up.
©John F. Rider
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-35
MODEL 46-1209 Code 121
L1
C25
PRIMARY PERMEABILITY
SLUG
VS
7F8 MIXER -05C.
R9
C18 C19
V5 7AF 7 PHASE INV.
>f
PHONO. AMP,
C 50A C 508
PILOT LIGHT
PUSH BUTTONS
PHONO
MOTOR SWITCH
P B. PHONO.
C49
PILOT LIGHT
T5
V4 7X7
DET. AVC. LST. AF
TONE CONTROL R23 ON-OFF
SWITCH
FRONT
USED ONLY FOR TIE POINTS
7147 1ST. I.F.
Ti
V 3
7HT
2ND. I.F.
C26
T3
CHASSIS
TOP VIEW
V6
6vo
AF OUTPUT
POWER CORD
C28
V7
(0Vó
AF OUTPUT
PHONO MOTOR
POWER OUTLET
5Y3GT RECTIFIER
v8
©John F. Rider
www.americanradiohistory.com
PAGE 15-36 PHILCO !MODEL 46-1209
Code 121
PHILCO RADIO & TELEV. CORP.
n í
o o o u
1
L
N a
z
o V
d
^
CC
f
cz
dE9D
J9ESD
©John F. Rider
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-37 MODEL 46-1209
Code 121
TONE
LIFT
ARM CAM
RIM DR EV
TURNTABLE
MCTOR
TONE ARM LOCATING PIN TONE ARM RETURN CAM
FRONT
REJECT ARM
LMOTDR ON-
CFF SW,
AUTOMATIC - MANUAL DETENT PLATE
CHANGING CYCLE ACTUATOR
CSnhn F_ Rider
www.americanradiohistory.com
PAGE 15-38 PHILCO MODEL 46-1209
Code 121
PHILCO RADIO & TELEV. CORP.
0
ó
u E-W->a
<ZYu
T --
e
©John F. Rider
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-39 MODEL 46-1209 MODEL 46-1226
TUBE
PIN
7F8
1
2
3
4
5
6
7
8
7H7
1
lat
2
IF
3
4
5
6
7
8
7117
1
2nd
2
IF
3
4
5
s
7 6
717
2
Det
2
AVO
3
Audio
4
5
6
8
7AF7
1
2
3
4 5
6
7
8
6V607
1
2
3
4
5 6
7
6
6V6GT
1
2
3
4
5
6
7
8
5Y301
1
2
3
4
5
6
7
8
PHIICO MODEL 46-1209 Code 121
VTVM
-4.7 0 110 0 8.6 245 0 0
20,000 OHMS PER VOLT
-4.7 0 100 0 8.6 230 0 0
1,000 OHMS PER VOLT
-4.2 0 100 0 8 240 0 0
o
0
0
250
240
245
105
100
105
0
0
0
0
0
0
0
0
0
0.7
0.7
0.7
0
0
0
O 245 125 0 0 o 2.3
.
0
O 240 120 0 0 0 2.1 0
O 240 120 0 0 0 2.2 0
o 145 -1.0 0 -0.6 0 0 0
O 140 -0.6 0 -0,6 0 0 0
0 130 -0.3 0 -0.4 0 0 0
0
0
0
68
66
68
180
170
175
48
18
0.2
0
0
0
36
32
18
2.2
2
1.4
0
0
0
0 0 240 250 -16 240 0 O
0 0 230 240 -12 230 0 O
O 0 240 250 -0.6 240 0 0
O
'
0
240
250
-15
0
0
0
O 0 230 240 -12 0 0 0
O 0 240 250 -1.0 0 0 0
o
o
o
320
310
320
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
320
310
320
PRILCO (MODEL 46-1226 CODE 121
RE8I8TANCE TUBE
16,500 0 150,000
1
21,000 110,000 0.2 4,400,000
7F8 Ccnv.
PIN VTVM
1
-3.3
2
0
3
88
4
0
5
8.4
6
230
7
0
8
0
20,000 OHMS PER VOLT -3.3
0 88 0 8.2
230 0 0
1,000 OHMS PER VOLT
-3.2 0 76 0 7.6 230 0 0
0.2
7v7
1
O
0
0
110,000
I,t IF
2
230
230
230
150,000
Amp.
3
94
94
94
0
4
0
O
0
0
6
0
0
O
5,400,000
6
0
0
0
60
7
0,7
0.7
0.7
0
8
0
0
0
O
7R7
1
O
110,000
2nd IF
2
230
150,000
Amp.
3
105
0
4
0
0
5
0
8
6
0
250
7
1.5
0.2
8
0
0 230 105 0 0 0 1.5 0
0 230 105 0 O 0
1.5 0
0.4
7C6
1
350.000
Det.AVC 2
10,000.000 let
3
0
Audio 4
100,000
5
INFINITE
6
INFINITE
7
0.4
8
0 130 -0.7 0 0 0 0 0
0 130 -0.4 0 0
0 0 0
0
130 -0.2
0 0 0
0
0
0.4
6J5
1
53,000
Phase
2
160,000
Inv.
3
1,000,000
4
5,000,000
5
700,000
6
6,200
7
0.4
8
INFINITE 0.2 110.000 110.000 500.000 110,000 0 0
6V6
i
Audio
2
Output 3
4
5
5
7
&
0 0 175 0 40 0 0 58
0
0 230 240 -16 0 0 0
0 0 175 0 14 0 0 56
O 0 230 240 -6 0 0 0
0 0 175 0
5
0
0
50
O 0 230 240 -4 0 0 0
INFINITE 0.2 110,000 110,000 500,000 INFINITE 0 0
606 Audio ('utput
1
0
2
0
3
230
4
240
5
-16
6
0
0
e
0
0 0 230 240
-6 0 C o
0
0 230 240 -4 0 0 0
INFINITE
5Y3GT
1
110,000
Rect.
2
INFINITE
3
230
4
INFINITE
s
240
INFINITE
7
110,000
6
O
300 0 -22 o -22 0 300
O 300 0 -22
0 -22
0 300
O
300 0 -22 0 -22
0
300
RESISTANCE
13,000 O 160,000 0 2,100 110,000 O 0
0 110,000 155,000 0 O 6,000,000 62 0
0 110,000 150,000 0 O 9 1650 0
0 325,000 9,000,000 0 350,000 350,000 0 0
INFINITE 0 180,000 INFINITE 1,000,000 1,100,000 0 53,000
INFINITE O 106,000 105,000 420,000 INFINITE 0 0'
INFINITE 0 106,000 105,000 420,000 INFINITE 0 0
INFINITE 105,000 INFINITE 260 O 260 INFINITE 105,000
©John F. Rider
www.americanradiohistory.com
PAGE 15-40 PHILCO MODEL 461226
Code 121
PHILCO RADIO & TELEV. CORP.
^ O
- V$T
pó
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O.iO
00
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©John F. Rider
0D
N y Z T GN01ll600 N01IMS -ONV9 WOëi
U
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For Voltage and resistance data, see P.15-39
"cla4ipeci schemalics n
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-41 MODEL 46-1226f
Code 121
213M0d `'d't+'óO1J3130 'd'I 01
o\ u A
U. m
I-
1
v~ o.d-1
w
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cb
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N
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W W
CC
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W W
OC
C9
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©John F. Rider
a
O
O J
www.americanradiohistory.com
RAGE 15-42 PHILCO
MODEL 46-1226 Code 121
ALIGNMENT
PHILCO 46-1226
Power should not be turned on in this receiver unless the speaker is connected. The chassis should be removed from the cabinet and the dial backplate calibrated as shown in Fi ure 1. The receiver loop should be connected between terminals 1 (high) and 2 (low) of the antenna terminal strip. The signal generator is connected to the Hazeltine standard loop Model 1150 which is loosely coupled to the receiver loop. The output meter should be connected between terminal 1 (high) and 2 (low) of the antenne terminal strip. The tone control should be in the maximum high position. The volume control should be at maximum. The generator output should at all times be just sufficient to obtain a minimum deflection on the output meter.
Signal Generator Frequency
Receiver Band Switch
Position
Receiver Dial
Position
Ad just for
Maximum
1.
455 kc.
2. 1700 kc.
3. 1500 kc.
4.
580 kc.
5 1700 kc.
6.
15 mc.
7.
15 mc.
Broadcast
Broadcast Broadcast Broadcast Broadcast Short Wave
Short Wave
Index Mark (condenser plates fully meshed)
1700 kc. 1500 kc.
580 kc.
1700 kc. 15 mc.
15 mc.
C40 C39 C38 Primary tuning slug of T2.
C9
Cl Adjust C5 for peak while rocking tuning control.
Readjust C9 Starting with trimmer C19 screw loosened, slowly tighten for peak on first signal heard. Image should be obtained with receiver tuned to 15.9 mc.
C17
0
©John F. Rider
INDEX MARK
580
KC.
15
1500 i
KC. - I
K1700 0
+
5"
1~
171.1
14
4
4
DIAL BACKPLATE CALIBRATION
FIGURE 1
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-43 MODEL 46-1226 Code 121
I e-1
ve-4
U
o
nr
U
mw3oau00'
> 4
T e
r-Q>-ZáZO
Wm=xó VICI_ O
a
o U
i-i-
ó2aIáOwZ_J=o o
©John F. Rider
PAGE 15-44 PHILCO MODEL 46-1226 Code 121
.I-
4.01
1
'
CIt
et
u
1
`
e
V4
N. L..i.
©John F. Rider
PHILCO RADIO & TELEV. CORP.
PHILCO PAGE 15-45 MODEL 46-1226
Code 121
Ll,cdnrt III!tttIttttrTrr.
W
-J
z d
©John F. Rider
www.americanradiohistory.com
W o
o
W J
a
U
CD
u
CC
W
ZIi
3
O-
o a
CoCy3
0F- y lt.
O
PAGE 15-46 PHILCO MODEL 46-1226
Code 121
PHILCO RADIO & TELEV. CORP.
TONE -ARM
LOCATING PIN
TONE -ARM
RETURN CAM
CHANGING
CYCLE ACTUATOR
TONE -ARM LIFT CAM
AUTOMATIC -MANUAL DETENT PLATE
6
MOTOR ()John F. Rider
RIM -DRIVEN
TURNTABLE
REJECT
LEVER
RECORD CHANGER
BOTTOM VIEW
MOTOR oN-.
OFF SWITCH-
dclaama#ica.
PHILCO PAGE 15-47, 48
W H,BLK.-TR.
WH BL. -TR
F M ANT.
o
o
-A- C4
SOCKET
00
H-+ wH.
3 2T1U8] RNUA9RE,SPH ACINGBL
r ' 52nFu 4 WH. 01
T1
-
ANT. 1.311
ßL
1
2 21L -
RR IC81!
.S ]7F8 6
o
WHr
BLK,
..
AM ANTENNA 09
-52FT
R3
R2
GANGED
0;
14 rit7
BLK.
BR.
1.211
TERMINAL STRIP
R5
RED
W H, GN-TR-
PHILCO RADIO & TELEV. CORP.
T3
r 2 PLATES
Z
L.
GN.
# CB2
VE 217H7
4
ß" C84
2111 6
b83
J WH.
5
BR,
0
-- RED
TC12
R15 1038
R9
C39
GN.
BL
T4 '
C85_._.-.5n V4 7B7
1.C48711
1.611
C88
GN. VS
7H7
C86 16 6.511 7
4
5 6
390 3
°
T
41211 iC89
7
4
WH.
C43
WH C4 5
BR
C41
B
- C44 RED
R22
C60 1113 R40
-WH. R20 R21
- C46 R23
MODEL 46-1213
Code 121
15
BL.
2 PLATE
411
BL.
T6
-- BLK.
C90 .611
C92 '
C48
6.511 _L
147
R24
.211 GN.
C91
8
-94; n U
6
R29 RED
WH.
c55T,
V6 4 FM 1000
3
C50Ì R26
C93
.811 7-68
161
r
33 RED
YEL.
R27
R C53
ÌC52
C49 -
C51-
-WH.
7- G8 4
C L1
Q 03G. 2.511 WH6NTR.
V1B
]/27 F8
Cl
R1
L2
RN55 9
3/8" A.
1oó 2MTF
C11 R8
WH. OR.
R17
R18 R16
C42
OPEN AT P. B. SW.
WH R43
-C63
_C54 B YEL. PINK
R25
C62
YEL.
=C54A
R28
-OR
eR31
"j,e GN.
OPEN AT RB 5W.
TO TERMINAL 3 OF A.M. ANT.
TERMINAL STRIP
K
C
YEL-«
WH,
RD
21-R.
W H,
51 -
TR.
YEL-
RED
WH,BLK-TR.
WH.
WH,BR-TR.
PHJNO
POWER
PLUG
BLK. BLK
OR.
BR.
WH
v - 115V
60 CYCLES
775I3
C75A
T
BR.
W
R64 TB
YEL.
/RED PILOT ON FRONT
L
OF CABINET
BL KU_
BLK. B BLK.
TO PILOT LIGHTS E ALL HEATERS
EXCEPT 7AF7 (v8)
YEL.
:6211 4
- 6211 6
V11 5U 4G
YEL. BL
--GN.
BL.
1 -OR.
C76 R65 ++oC1+
=L C79
C78
RED
R66
BR
TO HEATER OF -OR.
1 7AF7 (V8)
RED
WH.
RED OR.
R60
C95
R55
071
111.0
6VBGT 3
V7 65Q7GT 6
R50
3
p
Ì C67
C69
4
V8A
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R39
C68
8 712 BR
a 712
i R41
á z
>4
BLK. GN TR r_
IC7o
3 7
WH.
R54
BR GN. R321
C58 VOL'
R51 TREBLE
-OR.
I R53I C73 R59
R38
V9 6V6GT
RED
BLK YEL.TR
R42
'
BL.
R44
C611
R45 R33
R35
R34
TC59_t_
C64
Ì
C65
R47
BL. R46
BASS
YEL.
C66
I
V8B
iz 7AF71
R56;
R57
IC72
R58
BR.
6I Ç74=
ia R. XX
R61
R62
R48
BLK
J_
OR.
BL.
RED
110
7 GN.
OR. er 1501
WH+
R49
-GN
SPEAKER
3 SOCKET
o
o 4
,-RED
1163
OR.
R37
TO RED LEAD7
G. -CONNECTOR
GN.
R363
7 TO SHIELD
PLUG ON TRANSE.
d
.211
0
.-- 550011
OPEN AT
P.8.SW.
SPEAKER PLUG
YEL 015 C14
(CONNECTS TO PHONO
AUDIO CAB..
TO BLK. LEAD
PHONO TRANSFORMER (MOUNTED IN CABINET)
YEL.
J1 ` '
SPEAKER
o
WH.
16
AP 18
>Ir'
C96
BLK,
A B
8
x
7
6
X X
R68
5 0
Rq
BL4_.
X
3
° °
a
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i
1 --Q --d
C13
N
4J L4 C17
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WH,
WH
ZL7
CD E F
G
o xxx
J K LM
X X
GN.
GN.
0 P X X
R 5
x x çBLK.
p- X 20
X x v-=-° x x p
XX eaKt2
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i
p-x °
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X
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X X
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BIK.
X I X °-i-° X
XXX x
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o -t
X
X d7.-V.1.°'f.T X
x x x x x xX X X
BLK, GN - TR.
-X XXX XIx C24
BLK.
X X X
X X
x
d-.-C1 xS6
01.-X
.XI X
X
10 X
X
4l X X X X X X X X X X X X
OPERATED BY
"OFF" P.B.
"PHONO" P. B.
BLK, RED -TR.
AF
TEST
PH ILCO
46 - 1213 -121
5TANDARD BROADCAST BAND
(MA5N5Uo A-LroToUNKIGN.G)
BLK.
FIELD 45011
YEL
VOICE COIL 3.311 D.C.
HUM -BUCKING
COIL 0.211 D.C.
© John F. Rider
BC
S1
PAGE 15-49,50 PHILCO
\\
4cl:eniaÍ.ic4.
MODEL 46-1213 code 121
F.M. ANT. SOCKET- o
o
0
WH .-+'
4
18X "SQ.UARE 2 TURNS,¿ SPACING
8LK-- WHrl a o 2
AM ANTENNA YD 3 TERMINAL STRIP I
WH-
WH BR -TR.
Tl.iI. 1 cWH,BLK:TR
BL.
B
TE
GN.
r.21L
SR C81,
'25 V1 A
6
;
3 1h7F8
SoFT
1
300'
8
R3
14 rit_
BLK.
4052
21f1
4 C83
J -WH.
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51
TUNING RANGES OP BUTTONSt 540-1000 KC. 600-1200 RC. 650-1800 $C. -(Button shown depressed) 850-1500 SC. 900-1600 HC.
PHILCO
MODEL 46 -1213, CODE 121
STANDARD BROADCAST BAND
(PUSH BUTTON TUNING)
=LK.
FIELD 45011
YEL
VOICE COIL 3.311 D.C.
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n COIL
.2 D.C.
© John F. Rider
1101a/teed d:/1l1ßNl
PHILCO PAGE 15-5L 52
F M ANT. SOCKET
O o
O
L9
15TURNS 1/4 DIA. ,1(íLONG
PHILCO RADIO & TELEV. CORP
MODEL 46-1213 code 121
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4 MODEL 6 - 1213, CODE 121 SHORT WAVE. BAND 9.3 -15.5 MC
FIELD
450n
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VOICE COIL 3.311 D.C.
HUM -BUCKING
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Iswa
© John F. Rider
Si
PAGE 15-5354 PHILCO
1%
de/stoma/jet rr
MODEL 46-1213
code 121
BR.
FM
4
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PLUG
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1 d o xx x x x x xxx x
x
PHILCO MODEL 46-1213,CODE 121
FM BAND 88-108MC.
BLK.
FIELD
4501
YEL
VOICE
I
COIL
3.3110.C.
HUM-BUCKING COIL .211 D.C.
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51
x x x x x xBLKzGN.-TR. xx x x x x
© John F. Rider
\\
dclsenraticd
PHILCO PAGE 15-55, 56
52 FT
R9
BL.
, T2
GN.
1
52RR IC81
VIA
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31h7F8
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CIRCUITS NOT SHOWN _L
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6
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THEY ARE INOPERATIVE DURING PHONOGRAPH OP-
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© John F. Rider
PHILCO RADIO & TELEVISION CORP-
PHILCO PAGE 15-57
MODEL 46-12137 code 121
PAGE 15-58 PHILCO
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PHILCO RADIO & TELEV. CORP.
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PHILCO RADIO
CORP.
PHILCO PAGE 15-59
LOD1:L 46-1213 code 121
ALIGNMENT
PHI.LCC 46-1213
This chassis must be removed from the cabinet for alignment. Power should not be turned on this receiver unless the speaker is connected. A -M alignment should be completed before F -M alignment. Alignment of the A -M circuits may not disturb the alignment of the F -M circuits. Calibrate the receiver dial backplate as shown In Figure 1. Indentations may be found at the bottom of the dial back plate which will facilitate calibration. The receiver dial pointer should coincide with the index mark at the low frequency end of the dial when the gang condenser plates are fully in mesh.
A -M ALIGNMENT
Connect the output meter between terminals 3 (high) and 2 (ground) of the antenna terminal strip. The receiver loop should be connected between terminals 1 (high) and 2 (ground) of the antenna terminal strip. Connect the signal generator to the standard Hazeltine loop Model 1150 and couple loosely to the receiver. The volume control should be set at maximum and the treble control set in the maximum high position. The generator output should always be just sufficient to obtain a minimum deflection on the output meter.
Signal Generator Frequency
Receiver Band Switch
Position
Receiver Dial
Position
Adjust for
Maximum
455 kc.
2. 1700 kc. 3. 1500 kc. 4. 580 kc.
5. 1700 kc.
6.
15 mc.
Broadcast
Broadcast Broadcast Broadcast
Broadcast Short Wave
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1700 kc. 1500 kc.
580 kc.
1700 kc. 15 mc.
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heard. Image should be obtained with receiver tuned to 15.9
mc.
®John F. Rider
For F-bl alignment, see next page
PAGE 15-60 PHILCO
MODEL 46-1213 code 121
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PAGE 15-2 PHILLIPS
MODELS 3-1A, 3-2A
PHILLIPS PETROLEUM CO.
Remove chassis and loop from cabinet. Solder approximately 8" of insulated wire to any B -- connection (see voltage chart on op posite side for convenient B location). Then reinstall chassis and loop in cabinet. The B -- lead should extend from under th chassis at the back.
Connect ground lead of signal generator to B- lead.
Connect output meter across Turn the tuning control knob almost completely withdrawn
the speaker voice
clockwise as far
from coils). Dial
coil (terminals at back of speaker.) as it will go (tuner mechanism is now in maximum pointer should then point to 1600 Kc mark on scale.
open
If
position it is set
with tuning slugs incorrectly, release
pointer clip on dial cord and reposition pointer.
Set volume control at maximum volume position and use a weak signal from the signal generator.
DUMMY ANT. IN SERIES
WITH SIGNAL GENERATOR
CONNECT HIGH SIDE OF
GENERATOR TO
SIGNAL GENERATOR FREQUENCY
RECEIVER DIAL
SETTING
TRIMMER
TRIMMER
NUMBER 1 DESCRIPTION
TYPE OF ADJUSTMENT
SKraoectt)a.dttaeubnTethhroefenmisnecpcdheheiavackikndeiusrmawlcheteomctohermenertaxatianhmtdeumtpothporsoeiptaieodnnesdpoossftietimothneubnyttuilntiinndgnesinisrgeludgthspeocstoiutrniroeinnsgpoisncdornettaorcohltheedkn.poobsNitocitloeoncskthwsaihtsoewthnarseiandfaeFrdiga.sste1 mibt eliwos wilpl. regvoIfen(stDeetidtailnfgrpsoomianrtemeroinvacitnogrr1e6cb0ty0,
.1 MFD.
Condenser
Ungrounded termrnal of trimmer No. 6 (see Fig. 2 below for loca-
455 KC
Any point where it does not affect the signal.
1-2 3-4
tion of trimmer.)
2nd I.F. ist I.F.
Adjust for maximum output. Then repeat adjustment.
300 MMFD. Mica
Condenser
External Antenna Clip on Loop Frame
1600 KC
1600 KC
5
Broadcast Oscillator
Adjust for maximum output.
(Shunt)
300 MMFD. Mica
Condenser
External Antenna Clip on Loop Frame
300 MMFD, - Mica
Condenser
External Antenna Clip on Loop Frame
1600 KC
Tune to 1600 KC generator signal
1400 KC
Tune to 1400 KC generator signal
Broadcast
6
R.F.
7
Broadcast
Antenna
Ant. coil tuning slug
R.F. coil tuning slug
Adjust for maximum output.
Adjust for maximum output. Adjust position of slug for maximum output. Adjust position of slug for maximum output,
300 MMFD, Mica
Condenser
External Antenna Clip on Loop Frame
1600 KC
Tune to 1600 KC generator signal
7
Broadcast R.F.
Broadcast Antenna
Recheck adjustment for maxi mum output, Retheck adjustment for maxi mum output.
-
-' /Apply a coating of speaker cement at
top
of each tuning core
stem to prevent movement AUDIO
OSCILLATION
'TOP VIEW OF CHASSIS'
.;., '9
FIG- 1
SLUG
ati®@--
©455
0 KC
O
>
I
TUNER
ASSEMBLY
/
(Drive Parts)
. ®®@I/ O e ^i`
35166T
i!. -2)- : '
-s1J5O04012 o _
.
117057495 Cord (8")
114955
on Clip. cord
Spring
ANT.
1OSC.600
o
R.F.
0 455 KC.
it
1600KG 1600KC. 1600KC
CAONILT.
R.F. COIL
COIL
FIG. 2
The audio system of this receiver utilizes a two stage type of inverse feed-back arrangement and, should
it ever be necessary to replace the
speaker or output transformer, it is important to maintain a definite phase relationship in the feed-back
circuit. If the connections to the out-
put transformer are reversed or if
the feed-back connection is made to
the wrong side of the output trans-
former secondary, the system will
become reggenerative instead of de -
generaudio live. Under those conditions
audio oscillation may result. If that
occurs, oscillation may be prevented
by reversing secondary of
the the
connections to the output transformer.
Be sure taining-
R.F. and a tuned
I.F.
and
stages are calibrated
accurately aligned R.F. amplifier. A
before measuring gain. vacuum tube voltmeter
R.F.
may
gains can be used
be for
measured with a "channel" audio gain measurements.
type instrument conObserve following
precautions:
1. For all gain measurements connect signal generator as shown. Use 600 KC. signal with 400 cycle modulation (use nearby frequency if local, station interferes.)
2. For R.F, and I.F. measurements connect
negative terminal of a 3 volt battery (two
11/2 volt positive
cells in terminal
steorieBs)-,to
A.V.C. lead and This provides a
definite operating point.
IMPORTANT: Disconnect battery when
measuring audio stage gains-
3.
Be is
csaurreefuraldliyo
tuned erator
tsoiggneanl-
(use weak sig-
nal for sharp
tuning.)
4. When using a "than nel" type instrument carefully tune it for maximum output at desired frequency before making measure -
ments,
75x The R.F.
establish
and I.F. stage gains shown a definite operating point.
2.55
AT
«e.
below are Therefore,
less than under normal operating conditions due to these values are not intended to indicate the full
the use of capability
.+
6% oo
as
-
205
o CO«wao« ss
r
... 20% ses
3 volts fixed
of a stage.
bias
40.040C0,.nu9r%sim.5«79s0«0,
in
order
to
v«!R'c«uOR 0E
521 TO 600 9C.
300
MME :
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16 A.F.
oIII
SLUT WW1
29Wil T2,
31 1
i Differences in tube gain. Accuracy of equipment. These
characteristics, tolerance of parts, adjustment of measurements is dependent upon careful tuning of factors may create considerable variation in gain
tuned circuits, and variations receiver to generator signal measurements.
of line voltage and experience
will influence stage in using your test
@John F. Bider
www.americanradiohistory.com
w
' scheetatics ii
PHILLIPS PETROLEUM CO.
PHILLIPS PAGE 15-5
MODEL 3.-3A
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www.americanradiohistory.com
PAGE 15-6 PHILLIPS
MODEL 3-3A
moddzhemaücd. /F PHILLIPS PETROLEUM CO.
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©John F. Rider
www.americanradiohistory.com
PHILLIPS PETROLEUM CO.
PHILLIPS PAGE 15-7
MODEL 3-3A
ALIGNMENT PROCEDURE
1. The chassis and loop antenna should remain in their normal position in the cabinet throughout the following procedure. 2. Check arrangement of leads to push-button switch as shown in illustration on following page.
3 With the gang condenser fully meshed, dial pointer should be in the position indicated by the last division below 55 on the dial.
If it is set incorrectly, release pointer clip on dial cord and reposition pointer. 4. Connect output meter across speaker voice coil. 5. Connect the ground lead of the signal generator to the receiver chassis. 6. Set volume control at maximum volume position and use a weak signal from the signal generator. 7. Push in the manual button and leave it in that position throughout the alignment procedure. IMPORTANT:-Align this receiver in exactly the order shown below. Broadcast band must be aligned before short wave bands.
DUMMY ANT. IN SERIES
WITH SIGNAL GENERATOR
CONNECT HIGH SIDE OF
SIGNAL GENERATOR T
SIGNAL GENERATOR FREQUENCY
BAND SWITCH POSITION
RECEIVER DIAL
SETTING
TRIMMER TRIMMER NUMBER DESC3IYTION
TYPE OF ADJUSTMENT
.1 MFD. Condenser
Trimmer on rear section of gang
455 KC
Broadcast (counter-
clockwise)
Any point
where it does not affect the sinal.
1-2
2nd I.F.
3-4
1st I.F.
Adjust for maximum output. Then repeat adjustment.
.003 MFD.
Condenser
.003 MFD.
Condenser
.003 MFD.
ondenser
.003 MFD. Condenser
External Antenna Clip on Loo Frame
Broadcast
1500 KC (counter-
clockwise)
External Antenna Clip on Loop Frame
Broadcast
1500 KC (counter-
clockwise)
AntennaBroadcast External
Clip on Loop Frame
1500 KC (counter-
clockwise)
AntennaBroadcast External
Al)' p Loop
on Frame
600 KC (counter-
clockwise)
1500 KC
Tuhe to
1500 KC
GSenienraaltor
Tune to 1503 KC Generator Signal
Tune to 600 KC
Generator Signal
Broadcast 5 Oscillator
(Shunt)
Broadcast
6
R.F.
Adjust f or maximum output. Adjust for maximum output..
Broadcast
7
Antenna
Adjust for maximum output.
8
Adjustable core of Broadcast Oscillator Coil
adjust for maximum output. Try to increase output by ro toting core in and out and
receiver dial until maximum output is obtained.
003 MFD.
Condenser
External Antenna Clip on Loon rame
ReLoop 400 OHM
Carbon
External Antenna Clip on
Frame
Repeat adjustments of trimmers 5, 6 and 7 at 1500 Kc. Then re -check adjustment of trimmer 8 at 600 Kc.
15 MC Short wave
15 MC
9
Oscillator
Adjust for maximum output. Check to see if proper peak was obtained by tuning in image at approx. 14.1 MC. If image does not appear, realign at 15 MC, with trimmer screw farther out. Recheck image.
400 OHM Resistor
400 OHM Carbon Resistor
External .Antenna
ClCarbon
Loopip Frame
External Antenna Clip on Loop Frame
15n MC Short wave
Tune to
15 MC
Generatcr
Signal
9.5 MC
31 M (Clockwise)
9.5 MC
Adjust for maximum output.
10
S.W.
31Antennatuning M
11
Oscillator
Try to increase output by de trimmer and retuning
receiver dialtuntil maximum
putout is obtained. Adjust for maximum output. Check to see if proper peak was obtained by tuning in image at approx. 8.6 MC. 1f image does not appear, realign
at 9.5 MC. with trimmer screw
farther out. Recheck image.
400 OHM
Carbon Resistor
External Antenna Clip on Loop Frame
9.5 MC
31 M
(Clockwise)
Tune to 9.5 MC Generator Signal
12
31 M
Antenna
Adjust for maximum output. Try to increase output by de tuning trimmer and retuning receiver dial until maximum output is obtained.
NOTE
SOME GANG CONDENSERS HAVE TRIMMERS LOCATED AS SHOWN HERE
NErEnEDOrNCr
n
OSC1500
KC
RF 6Sf11 IKC0
ANT ANT. 15 MC 9.5 MC.
ANT. 1500 KC.
U G
o
600
KC.
o 455
KC.
TOP VIEW OF CHASSIS
o
o
D 455 KC.
MGT
©John
REFERENCE NOTCH
8C. ANTEN_7A COUPLING
i COIL 502112
F. Rider
R.P. COIL 502113
OSC. 9.5MC.
OSC. IS MC.
C Q
www.americanradiohistory.com
REAR OF CHASSIS
PAGE 15-8 PHILLIPS
MODEL 3-.3A
PHILLIPS PETROLEUM CO.
APPROXIMATE STAGE GAIN DATA
Be sure R.F. and I.F. stages are accurately aligned before measuring gain. R.F. gains can be measured with a "channel type instrument containing a tuned and calibrated R.F. amplifier. A vacut n tube voltmeter may be used for audio gain measurements.
Observe following precautions:
1. For all gain measurements
2. For R.F. and I.F. measurements connect
3. Be sure radio
4. When using a
connect signal generator as shown. Use 600 KC. signal with 400 cycle modulation ruse nearby frequency i: local station in-
negative terminal of a 3 volt battery (two 11/2 volt cells in series) to A.V.C. lead and positive terminal to chassis. This provides a definite operating point. IMPORTANT: Disconnect battery when
is carefully
tuned to gen-
erator signal
(use weak
signal for
"channel" type in-
strument carefully
tune it for maximum
output at desired
frequency before
making measure-
terferes.)
measuring audio stage gains.
sharp tuning.)
ments.
The R.F. and I.F. stage gains shown below are less than under normal operating conditions due to the use of 3 volts fixed bias in order to establish a definite operating point. Therefore, these values are not intended to indicate the full capability of a stage.
swR£i
GCR6R£1(1R
sr* TO 600.C.
Differences in tube characteristics, tolerance of parts, adjustment of tuned circuits, and variations of line voltage will influence stage gain. Accuracy of measurements is dependent upon careful tuning of receiver to generator signal and experience in using your test equipment. These factors may create considerable variation in gain measurements.
DIAL AND POINTER
DRIVE CORD ARRANGEMENT
To string dial cord, set gang condenser to fully meshed position and use following parts:
113177 114955 119087 117057
Tension Spring
Clip on end of cord Ring for dial cord
Cord (102 inches) Pointer drive 72 inches Gang drive 30 inches
IMPORTANCE.OF MAINTAINING FIXED POSITIONS FOR LEADS AT TOP OF CHASSIS
The wires shown in the above illustration are associated with tuned circuits which carry radio frequency currents. Therefore, care must be exercised to insure that they are properly routed and spaced. Anchoring and fixing spacing of wires minimizes freedom of movement and is utilized to maintain a stable arrangement.
Since the relative positions of these wires may affect tuned circuits it is important to avoid any change in arrangement after the receiver has been aligned. If the position of the wires has been disturbed, it is advisable to re -check alignment
RED AND GREEN LEADS TIED TO SUPPORT
GREEN SPACER
BLUE AND GREEN LEADS ROUTED AROUND TUBE
WHITE BLUE
ORANGE
BLACK
11
BROWN
'YELLOW
LEAD SUPPORT AND SPACER
AUDIO OSCILLATION The audio system of this receiver utilizes a two stage type of inverse feed-back arrangement and should it ever be necessary to replace
the speaker or output transformer it is important to maintain a definite phase relationship in the feedback circuit. If the connections to the output transformer are reversed or if the feed-back connection is made to the wrong side of the output transformer secondary, the system will become regenerative instead of degenerative. Under those conditions audio oscillation may result. If that occurs, oscillation may be prevented by reversing the connections to the primary of the output transformer.
©John F. Rider
www.americanradiohistory.com
PHILLIPS PAGE 15-9
©John F. Rider
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www.americanradiohistory.com
PAGE 15-10 PHILLIPS
MODEL 34A
e
PHILLIPS PETROLEUM CO.
Slide chassis partially out of cabinet by removing staples et each side of wood shelf and pulling entire sh 31f back about 2 inches. Do not disturb connections to loop antenna. Connect an output meter across the voice coil of the speaker or between the plate of the 3QSGT output tube and chassis through a .1 mfd. condenser.
Connect the ground lead of the signal generator to chassis through a .25 mid. condenser.
Set the volume control in the maximum position and use a weak signal from the generator.
Set "AC-DC-BAT.-CHARGE" Switch in "AC -DC" position.
DUMMY ANT. IN SERIES
WITH SIGNAL GENERATOR
CONNECT HIGH SIDE OF
SIG. GENERATOR TO
SIGNAL GENERATOR
FRi:QUENCY
RECEIVER DIAL
SETTING
300 MMFD.
Condenser
Grid Cap
of 1A7GT Tube
455 BC.
Any Point Where It Does Not Affect Signal
TRIMMER NUMBER
TRIMMER DESCRIPTION
1
2nd I.F.
2-3
let I.F.
TYPE OF ADJUSTMENT
Loosen lock nut. Adjust screw for maximum output. Adjust for maximum output. Recheck 1, 2 and 3 for maximum output and tighten lock nut on 1.
300 MMFD.
Condenser
Center Terminal on Antenna Terminal Strip at bottom of cabinet.
1500 BC.
1500 KC.
(Slide set into cabinet and replace pointer to set dial.) -
4
Broadcast Oscillator
(Shunt)
Adjust trimmer for maximum output.
300 MMFD.
Condenser
Center Terminal on Antenna Terminal Strip at bottom of cabinet.
1500 BC.
TOP VIEW OF CHASSIS
n
n
n
Tune to
1500 KC.
Generator Signal
Adjust far maximum output.
5
Broadcast Antenna
Slide chassis all the way into cabinet when making this adjustment.
When battery voltage is low (approximately 72 volts) the
lamp flashes more slowly (about once per second). The
set should not be operated from battery Hower after this
point is reached and batteries should be recharged imme-
diately. Charge for at least twice the time they Were used
and as soon as possible after they are run down. As
batteries age it is necessary to charge for a longer period.
For longest battery life, charge immediately after using.
IMPORTANT: 1. Completely dead batteries cannot be recharged.
ANT. 1500 KC.
455
KC.
2. When set is connected to a DC line, check for correct polarity by operating it before attempting to cl1arge the batteries.
3. Batteries will be discharged if ON-OFF
INDICATOR LAMP
The flashing neon lamp on the dial face indicates condition of batteries. This lamp is included in an oscillating (R -C) circuit which is designed to oscillate at approximately 3 pulses per second when batteries are in a fully charged condition. As the battery voltage decreases with use, number of pulses per
second decreases.
This lamp will only show the true condition of the batteries when the Selector Switch is in the "Battery" position. Lamp flashes more rapidly during charging or "AC -DC" operation.
switch is left ON when power cord is net
connected to waH oatlet.
DIAL DRIVE CORD
CHARGING CIRCUIT
ARRANGEMENT To string dial cord, set
The battery charging circuit consists of a 35Z5GT rectifier gang condenser to fully
and a suitable resistór voltage dividing network. This circuit provides a very low charging current when the re-
meshed position and use following parts:
ceiver is operated on AC -DC and is just enough to main- 114955 Clip on end of
tain the batteries but will not charge them. A separate
cord
charging position is provided for the regultxr charging. 117057 Cord (28 inches)
operation. A charging rate of approximately 1/3 the dis- 119087 Ring for dial cord
charge rate is used to give best results.
161384 Tension Spring
Be sure R.F. and I.F. tanning a tuned and
stages are accurately aligned before calibrated R.F. amplifier. A vacuum
measuring gain. R.F. gains can tube voltmeter may be used for
be measured with a "channel" audio gain measurements.
type
instrument
con
1. For all connect
gain signal
measurements generator as
shown. Use 600 KC. signal
with 400 cycle modulation
(use nearby frequency if local
station interferes).
2.
For nect
R.F. and negative
It.Fer. mmineaalsuorfemaent1s1/2
con-volt
battery to A.V.C. lead and positive
terminal to chassis. This provides a
definite operating point.
3. Be sure radio is carefully tuned to generator signal (use weak signal for sharp tuning).
4. When using a "channel' type instrument carefully, tune it for maximum out put at desired frequency before making measure ments.
The R.F. establish
and I.F. stage gains a definite operating
shown below are less than under point. Therefore, these values, are
normal operating conditions due not intended to indicate the full
to the use of 11/2 volts capability of a stage.
fixed
bias
in
order
to
TDAhicefcfsueerreanfcacycetsoorfsinmmteuaabyseurcecrmheaaertneatcstceorinissstididceesp,reantbodlleeenravtnacruiepaotinoofnpcaairnretsfg,ual iandtujumnsinetmagseunorftemroeefcnettuisv.neerd
circuits, and variations to generator signal and
cf line voltage will experience in using
influence your test
stage gain equipment
1
©John F. Rider
www.americanradiohistory.com
PHILLIPS PAGE 15-1:.
©John F. Rider
www.americanradiohistory.com
AGE 15-12 PHILLIPS
MODELS 3 -9A,3 -10A,
Early 1
PHILLIPS PETROLEUM CO.
MODELS 3-9AX,3-10AX
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PAGE 15-16 "PHI.LLIPS MODEL 3.11A
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PHILLIPS PAGE 15-1
©John F. Rider
Record Changer: General Instrwuents Model 205
www.americanradiohistory.com
PAGE 15-20 PHILLIPS
MODEL 3-29A
PHILLIPS PETROLEUM CO.
REMOVAL OF RADIO CHASSIS To remove the radio chassis for servicing, pull off the three control knobs, disconnect the cables and wires leading to the loud speaker, built-in antenna,etc., then withdraw the metal shelf locking strip from near the lower corner of the chassis. Swing the bottom of the chassis and the mounting shelf out from the cabinet until the top of the shelf is disengaged. The unit may then be withdrawn from the cabinet.
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ALIGNMENT PROCEDURE
Volume Control- Maximum All Adjustments.
Allow Chassis and Signal Generator to "Heat Up" for several Minutes.
The equipment in column at right is required for aligning:
Signal Generator which will provide an occurately calibrated signal at the test frequencies as listed.
Output Indicating Meter: Non -Metallic Screw driver. '
Dummy Antennas-.1 mf., 50 mmf.
SIGNAL GENERATOR
FREQUENCY SETTING
ANTENNA CONNECTION
GROUND CONNECTION
DUMMY ANTENNA
GANG CONDENSER
SETTING
ADJUST TRIMMERS TO MAXIMUM
(See Trimmer Illustration)
455 KC Control Grid 12SK7-I.F.
Point "X"
12SK7-I.F.
Prong No. 3
.1 nit.
Turn Rotor to Full Open
2nd I.F. (C7) & (C8)
455 KC
CI2oSntAro7l -IsGtridDet.
Same As Above
.1 ml.
Turn Rotor to Full Open
1st I.F. (C5) & (C6)
1620 KC
Control Grid 12SÁ7-Ist Det.
Same As Above
.1 rat.
Turn Rotor to Full Open
0.ti,lator (C4)
1400 KC
External Antenna Clip on Loop
Chassis
:0 mmf.
Turn Dial to 1400 KC
Antenna (C-19)
REPLACEMENT PARTS LIST
NOTICE: There is a power ratie label on the
chassis. This label specifies the power supply on which the radio may. be used, and identifies the, radio os to chassis, dial and issue letter. When ordering parts or writing, give ALL information
appearing on this label.
12A438
3A303 3A305 3A304 10A297 InAS84 2A358 I3 X328
MISCELLANEOUS
5" P.M. Sneaker Cone and voice toil assembly (specify
part number and letters stamped on
speaker) Tube socket octal (8 prong) moulded
Phono socket .
Phono motor socket
Knob (volume control. tuning) ._. _.
Knob. (Radio -Phono)
Radio-Phonp switch
.. ..
Line cord and plug assembly
_..
76A411 9A1805 9A1808
9A1809
51 X122
TRANSFORMERS AND COILS T -I 'B" Range Loop Antenna Assembly T-2 Oscillator Coil Auemb)y . T-3 Ist I -F Transformer and Can
Assembly T-4 Ind I -F Transformer and Can
Assembly T-5 Output Transformer
D66102 266402
CAPACITORS C -I .001 mf 400 V Tubular C-26. C -2B Gang Capacitor assembly
47X415
47X112 B66803 866103 47X468 B67204 D66104 45X341 B66503 l7Á123
884393 B85225 B85473 86X352 B85685 884474 B85474 B83151 885224 B84270 C85152
266399
6X21 20X329
f-3 47 mmf
Mou:dcd
C-4 Part of C-2 (Gang Capacitor) C5, C-6 Part of T-3 (Ist I -F
Transformer
C-7, C-8 Part of T-4 (2nd I -F
Transformer
C -8A. C -9B 50 mmf
Dual Mina
C10. .08 ml 200 V
Tubular_.,
C-11. C-13. C-14 .01 ml 200 V Tubular .
CC-I152
220 .20
mint mf
200 V
Moulded_..
Tubular_..
C-16 .10 mf
400 V
Tubular....
ÍC-176 50 ml 150 V
C-f78 50 mf 150 V
l Dry Electrolytic
J
C-18 .05 mf
200 V
C-19 1.0-12 mmf
Tubular....
Trimmer._.
R-1 R-2 R-3 R -4
R-5 R-6 R-7 R-8 R-9R10
R -II
RESISTORS
39K 2.2 mes 47K 500K
6.8 meg 470K 470K 150 220K 27 1500
0.5 Carbon
0.5 Carbon
_.
0.5 Carbon
Volume control and
switch ..
..
0.5 Carbon
0.5 Carbon _.
0.5 Carbon ....
0.5 Carbon ...
0.5 Carbon .. ..
0.5 Carbon
1.0 Carbon
DIAL AND DRIVE ASSEMBLY
Dial Bracket Assembly Complete with Dial
Background, Diffuser. Dial Clamps, Idler
Pulleys and Spacers
Rubber Grommet
Mounting gang
Cond. Cushion Stud . capacitor
58X613 26X482 19X192 19X62 76197
15X150 28X95
Dial
"DCri"ve
Shalt Washer
(For
Drive
Shaft)
Flat Washer (For Drive Shaft)
Pilot Light Socket Assembly . _.
No. 47 Pilot Light
57" Drive Cord (18 lb. test) _..
Pointer _.. ..
_
.........
Drive Cord Tension spring .. ..
TYPE G -28A115 AUTOMATIC RECORD CHANGER PARTS
G -30A71506 Bearing Assembly .. _.
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PAGE 15-2 PONTIAC MODEL 984171
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PONTIAC PAGE 15-3 MODEL 984171
ESCUTCHEON CROSS SECTION
PUSH BUTTON SET-UP
Release holding spring in bottom of button, pull button off. Loosen reset screw, and tune in desired station while holding reset screw in tight. Release and tighten reset screw. Replace push button.
74 75
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PAGE 15-4 PONTIAC
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POR-SERV. PAGE 15-1
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PAGE 15-2 POR-SERV.
MODELS PA-510,Ch.90086-A,
PB-520,Ch.9008B
PORTO -SERVER INC.
Remove chassis and loop from cabinet. installed in cabinet.
Reconnect both leads to loop and space it approximately same distance from chassis as when
With the gang condenser fully meshed, dial pointer should be in the position indicated by the last division below 55 on the dial. If it is set incorrectly, release pointer clip on dial cord and reposition pointer.
Connect an output meter across the speaker voice coil or from the plate of the 50L6GT tube to chassis through a .1 Mfd. condenser. Connect the ground lead of the signal generator to the receiver chassis through a .25 Mfd. condenser. Set volume control at maximum volume position and use a weak signal from the signal generator.
DUMMY ANT. IN SERIES
WITH SIGNAL GENERATOR
CONNECT HIGH SIDE OF
GENERATOR
TO
SIGNAL GENERATOR FREQUENCY
RECEIVER DIAL
SETTING
TRIMMER NUMBER
TRIMMER DESCRIPTION TYPE OF ADJUSTMENT
200 MMFD. Mica
Condenser
Lug on trimmer No. 6 on rear section of gang (see figure below for location of trimmer.)
455 KC
Any point where it does not affect the signal.
2nd I.F. 1st I.F.
Adjust for maximum output. Then repeat adjustment.
200 MMFD. Mica
Condenser
External antenna lead on loop.
1300 KC
1500 KC
Broadcast Oscillator
Adjust for maximum output.
200 MMFD. Mica
Condenser
External antenna lead on loop.
1500 KC
Tune to 1500 KC generator signal.
Broadcast Antenna
Adjust for maximum output.
OSI.. 1500 KC.
ANT.
1500 KC.
DIAL AND POINTER
DRIVE CORD
ARRANGEMENT
To string dial condenser to
cord, fully
set gang meshed
position and use following
parts:
114955 Clip on end of cord
117057 Cord (26 inches)
119087 Ring for dial cord
161384 Tension Spring
APPROXIMATE STAGE GAIN DATA
Be sure R.F. and I.F.
taining a tuned precautions:
and
stages are calibrated
accurately aligned R.F. amplifier. A
before measuring gain. vacuum tube voltmeter
R.F. gains can may be used
be for
measured with a "channel" audio gain measurements.
tyOpebsienrsvterumfoelnlot wcionng-.
I. For all gain measurements
connect signal generator as
shown. Use 600 with 400 cycles
KC signal modulation
(use nearby frequency if local
station interferes.)
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3. Be sure radio is carefully tuned to generator signal (use weak signal for sharp tuning.)
4. When using a "channel" type instrument carefully tune it for maximum output at desired frequency before making measurements.
The R.F.
establish
and I.F. stage gains a definite operating
shown point.
below are less Therefore, these
than under normal operating conditions values are not intended to indicate the
due to the use of ull capability of a
3 volts stage.
fixed
bias
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order
to
SIGNAL
. GENERATOR SE' TO 600 KC..
.25 -1MFD.T
\ ¡ 200
MMF.
TO
'
CHASSIS
1.5X AT 600 KC.
40X
.66C CONVERSION
600 KC.
OAIN
OUTPu.
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130X
AT 465 AC.
30X 0T 400 CYCLES
8X AT 400 CYCLES
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circuits, and variations to generator signal and
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©John F. Rider
www.americanradiohistory.com
POR-SERV. PAGE 15-3
MODELS PE-610,Ch.9022-Ej PF-611,Ch.9022-F
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www.americanradiohistory.com
PAGE 15-4 POR-SERV
MODELS PE-610,Ch.9022-E, PF-611 , Ch 9022-F
PORTO-SERVERINC.
ALIGNMENT PROCEDURE
1. Remove chassis and loop from cabinet.
posite side for convenient B- location).
chassis at the back.
Solder approximately 8" of insulated wire to Then reinstall chassis and loop in cabinet.
any The
BB-
connection (see voltage chart on lead should extend from under
opthe
2. Connect ground lead of signal generator to B- lead.
3. Connect output meter across the speaker voice coil (terminals at back of speaker.) 4. Turn the tuning control knob clockwise as far as it will go (tuner mechanism is now in maximum open position with tuning slugs
almost completely withdrawn from coils). Dial pointer should then point to 1600 Kc mark on scale. If it is set incorrectly, release pointer clip on dial cord and reposition pointer.
5. Set volume control at maximum volume position and use a weak signal from the signal generator.
DUMMY ANT. IN SERIES
WITH SIGNAL GENERATOR
CONNECT HIGH SIDE OF GENERATOR
TO
SIGNAL GENERATOR FREQUENCY
RECEIVER DIAL
SETTING
TRIMMER NUMBER
TRIMMER DESCRIPTION
TYPE OF ADJUSTMENT
Set tuner mechanism to maximum open Kc). Then check whether the positions rotate the individual core and threaded
poossftietimothneubntyuint tiundrgneisnisrgleudgtshpeocstoiutrinroeinnspgoinscdornettaorcohltehdek.nopboNsiotcitloeoncskthwsaihtsoewthnarseaindfaeFrdig.a,sste1 mibt elwiosiwllp.regvoIfen(stDeetditailngfrpsoomianrteemroinvacitnogrr1e6bc0yt0,
a dab of speaker cement at top.
Ungrounded term -
.1 MFD.
Condenser
tNhoa. t
6
of trimmer (see Fig. 2
below for loca-
lion of trimmer.)
455 KC
Any point where it does not affect the signal.
1.2 3-4
2nd I.F, 1st LF.
Adjust for maximum output.
Then repeat adjustment.
300 MMFD Mica
Condenser
External Antenna Cli on Loop Frame
1600 KC
1600 KC
Broadcast
5
Oscillator
Adjust for maximum output.
(Shunt)
300 MMFD. Mica
Condenser
300 MMFD. Mica
Condenser
300 MMFD. Mica
Condenser
External Antenna Clip on Loop Frame
External Antenna
Clip on
Loop Frame
EC
Tune to 1600 KC
generator signal
1400 HC
Tune to 1400 KC generator signal
6
Broadcast R.F.
Adjust for maximum output.
7
Broadcast Antenna
Adjust tor maximum output.
slugAdjust Ant. coil tuning
position of slug for maximum output.
R.F. coil tuning slug
Adjust position of slug for maximum output.
External Antenna Clip on Loop Frame
1600 RC
Tune to 1600 KC generator signal
Broadcast
Recheck adjustment for maxi -
6
R.F.
mum output,
7
-
Broadcast
Antenna
Recheck adjustment for maxi mum output.
Apply a coating of speaker cement at top of each tuning core stem to prevent movement.
EFLeL
ANT. R.F. COIL COIL la COIL
FIG. 1
TOP VIEW OF CHASSIS
SLUG TUNER ASSEMBLY (Drive Parts)
117051 Cord (6")
114955 Clip on cord
504012 Spring
ANT
05C.
RE1600KC
16005(. 16005C
FIG. 2
AUDIO OSCILLATION
The audio system. of this receiver
utilizes a two stage type of inverse
feed-back arrangement and, should
it ever be necessary to replace the
speaker or output transformer, it is
important to maintain a definite
phase relationship in the feed-back
circuit. If the connections to the out-
put transformer are reversed or if
the feed-back connection is made to
the wrong side of the output trans-
fbgoeercnmoemeraretivsreee.cgoenndUeanrradytei,rveththeionssestyeasctdoenmdoiftiwodniels-l
audio oscillation may result. If that
occurs, oscillation may be prevented
by reversing secondary of
the the
connections to the output transformer.
APPROXIMATE STAGE GAIN DATA
Be sure R.F. and I.F. taining a tuned and precautions:
stages are accurately aligned before measuring gain. calibrated R.F. amplifier. A vacuum tube voltmeter
R.F. may
gains can be be used for
measured with a "channel' ' audio gain measurements
.
type instrument conObserve following
1. For all gain measurements connect signal generator as shown. Use 600 KC. signal with 400 cycle modulation (use nearby frequency if local station interferes.)
2. For R.F. and I.F. measurements connect
1/negative terminal of a 3 volt battery (two
volt positive
cells in terminal
setorieBs)-.to
A.V.C. lead and This provides a
definite operating point.
IMPORTANT: Disconnect battery when
measuring audio stage gains.
3. Be is
csuarreefrualdliyo
tuned erator
tsoiggneanl.
(use weak sig-
nal for sharp
tuning.)
4. When using a "channel" type instrument
carefully tune it for
maximum output at desired frequency be tore making measurements
The R.F.
tod establish
and I.F. stage gains a definite operating
s hown below are point Therefore
ltehssestheavnaluundeesarrnenootrimnatleonpdeeradting
conditions due to the use of indicate the fu 11 capability
3 volts fixed bias of a stage.
in
order
to
..::x. .
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205
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Differences in tube gain. Accuracy of equipment. These
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tuned circuits. and variation receiver to generator signal measurements.
of Me voltage and experience
will influence stage in using your test
©John F. Rider
www.americanradiohistory.com
PURE OIL CORP.
PURE OIL PAGE 15-1
MODEL 5A65WG-503
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©John F. Rider
Record Changers General Instrument Model 205
www.americanradiohistory.com
PAGE 15-2 PURE OIL MODEL 5A6WG-503
PURE OIL CORP.
C.4 01C. T1111161111
Ta
IST IF TRANS C -S LC-0
ANI TRI1161EA ON 1.001 ANT
i
ALIGNMENT PROCEDURE
Volume Control -Maximum All Adjustments.
Allow Chassis and Signal Generator to "Heat Up" for several Minutes.
The equipment in column at right is required for aligning:
Signal Generator whidi will provide an accurately calibrated signal at the test frequencies as listed.
Output Indicating Meter: Non-Metallic Screwdriver.
Dummy Antennas-.1 mf., 50 mmf.
SIGNAL GENERATOR
FREQUENCY
ANTENNA
GROUND
SETTING
CONNECTION CONNECTION
DUMMY ANTENNA
GANG CONDENSER
SETTING
ADJUST TRIMMERS TO MAXIMUM
(See Trimmer Illustration)
455 KC Control Grid 12SK7-I.F.
Paint "X"
12SK7-I.F. Prong No. 3
.1 mf.
Turn Rotor to Full Open
2nd I.F. (C7) L (Ca)
455 KC
C12oßnAtr7ol-1sGtridDet.
Same As Above
.1 mf.
Turn Rotor to Full Open
1st I.F. (C5) 4 (C6)
1620 KC
C12o8nAt7ro-l1GsrtidDet.
Same As Above
.1 mf.
Turn Rotor to Full Open
Oscillator (C4)
1400 KC
Esternai tenna Clip on LooMp
Chassis
50 mmf.
Turn Dial to 1400 KC
Antenna (C19)
DRIVE CORD REPLACEMENT
Turn the large drive pulley to the maximum counterclockwise position. Use a new 57 inch drive cord, tie one end to the tension spring and fasten the other end of the spring to the drive pulley. Install the cord as shown
in the illustration. Wind 2% turns counterclockwise around the tuning shaft with the turns progressing away from the chassis. After string is installed, stretch the tension spring and tie free end of cord to spring. Cut off excess string.
REPLACEMENT PARTS LIST
GANG CONDENSER IN CLO.TED POSITION POINTER CLAMP
DILL STRING
STRING i,U1DE
TUNING SHAFT
VINYLITE SLEEVE
Near Ye.
NOTICE: There is a power rating label on the chassis. This label specifies the power supply on which the radio may be used, and identifies the rodio as to chassis, dial and issue letter. When ordering parts or writing, give ALL information
appearing on this label.
12M38
3A303 3A305 3A304 10A297 10A584 2A358 13X328
MISCELLANEOUS 5" P.M. Speaker Cons and voice coil assembly (sponify
part number and letters stamped en speaker)
-. Tube socket octal (8 prong) moulded
Phono socket Phono motor socket Kneb (volume control. tuning) Knob. (Radio -Phono) .. Radlo-Phono switch Line cord and plug assembly
26A413 9A1005 9A1808 9Al2,09 51X123
T-1 1-2 T-3 T-4 T-5
TRANSFORMERS AND COILS
"B" Range Loop Antenna Assembly
Oscillator Coll Assembly 1st 1-F Transformer and Can Assembly 2nd I -F Transformer and Can Assembly Output Transformer
D67102 26A402
CAPACITORS C.l .001 mf 400 V Tubular C.2A, C.2B Gang Capacitor assembly
47X446
47X112 866803 866103 47)468 867204 D67)04 45X341 866503 17A123
C-3 47 mmf
Moulded....
C-4 C-5,
Part C6
of C-2 Part of
(TG3anolisCt aIp-aFcitor)
..._....
Transformer C-7, C-8 Part of
T4
(2nd
I -F
Transformer
C -9A, C-98 50 mmf C -l0, .08 ml 200 V
Dual Mies.... Tubular....
C-11. C-13, C-14 .01 mf 200 V Tubular....
C-12 220 mmf
Moulded.._
C -IS .20 mf C-16 .10 mf
200 V 400 V
Tubular.... Tubular._
i C -17A 50 mf 150 V 1C-178 50 mf 150 V
1
f
Dry
C-18 .05 mf
200 V
C-19 1.0-12 mmf
Etectrolytle.. Tubular.... Trimmer....
884393 885225 885473 36)(352
885685 684474 B85474 1383151 B85224 684270 C85152 885105
26A399
6X21 20X329
RESISTORS
R-1 39K
0.5 Carbon
R-2 2.2 meg 0.5 Carbon
R-3 47K
0.5 Carbon
R-4 500K
Volume control and
switch
R-5 6.8 meg 0.5 Carbon
R-6 470K
0.5 Carbon
R-7 470K
0.5 Carbon
R-8 150
R9 220K
0.5 Carbon 0.5 Carbon
RR --1I0I
27 1500
0.5 Carbon 1.0 Carbon
R-12 I meg 0.5 Carbon
DIAL AND DRIVE ASSEMBLY
Dial Bracket Assembly Complete with Dial
Background. Diffuser. Dial Clamps. Idler
Pul:eye and Spacers
Rubber Grommet
Mounting pang
' Cond. Cushion Stud f capacitor
58X609 26X482 19X192 19X62 7A197
15X150 28X95
Dial Drive Shaft ...._...._..._
...---- "C" Washer (For Drive Shaft) -...-..- Flat Washer (For Drive Shaft)
Pilot Light Socket Assembly ..._.._....._... No. 47 Pilot Light 57. Drive Cord (18 lb. test) Pointer Drive Cord Tension spring
TYPE G -28A115 AUTOMATIC RECORD CHANGER PARTS
G -30A71506 Bearing Assembly
G -10A71535 Spindle Assembly
G-58-71435 Single Button Control Switch
G-26.70545 Drive Wheel
G -33-A71196 Flexible Coupling. Spring Assembly
G-65-70566 G-12-71406
Feed
Lift
Cam
Pin
Roller
G-33-71405 Counter Balance Spring
G-33.71388 Finger Spr ino
G.33-70582 Mounting Spring
G-33-71316 Stop Lever Spring
G-33-71173 Trip Lever Spring
G-33-71205 Pull -In Spring
G-33-71438 Trip Bar Spring ...._.._ ....................._........-
G-33.71341 Record Feed Spring
G.33.71342 Carrier Lever Spring
G-59.71494 Index Spring
G -66A71507 Turntable
G-56-72092 Motor
_..
__. _...
Pickup Astatic L-75 Pickup
Arm Assembly Cartridge
(G.1.....Mode_l.. 2051
6-55-72021
Retord Stabilizer Finger Needle, Parma No. 100 _
SPEAKER SOCKET
PHONO MOTOR SOCKET
1N00EAr. .VC.67Sr. A.F 3525GT
RECT.
f
ourLnGur
AC -DC LINE CORD
aIlP-214SA
PHONO SOCKET
©John F. Rider
35Z5GT
RECT.
12SA7
IST DET.5 OSC.
12SK7
I . F.
70 --os
50L6GT
OUTPUT
LINE VOLTAGE ITT VOLTS A.C. NO SIGNAI. INPUT.
ALL VOLTAGES, EXCEPT HEATERS a DUAL LAMP ARE e^.-
H.
N
20.
READINGS TAKEN WITH 1000
TwEEN SOCKET TERMINALS
OHM -PER -VOLT METER. PLATE
AND SCREEN VOLTAGES READ ON S00 VOLT SCALE.
AND "on POINT. SEE SCHEWTIC FOR HEAT-
ERS a DIAL LAMP VOLTAGES.
12SQ7
i2ND DET. A.V.C. DP 1ST A. F.
per-zoza
www.americanradiohistory.com
PURE OIL CORP.
PURE OIL PAGE 15-i
MODELS 5D15WG-501, 5D25WG- 502 MODELS 5D15WG-501X, 5D25WG-502X
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©John F. Rider
www.americanradiohistory.com
AGE 15-4 PURE OIL
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PURE OIL CORP.
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MODEL 6A359WG-504
PURE OIL CORP.
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PURE OIL CORP.
PURE OIL PAGE 15-7
MODEL 6A35WG-504
T2
BAND -SWITCH SHOWN AT 1 ST POSITION. BROADCAST BAND
540 TO 1600 KC.
T2 FOIL ANT.
65A7
MIXER
T1 CI
SW 12 10
C7
C13
1
R1
C5
9 8
o
cs1
SW.
/I C6A
AVC
14
Óo---ó SW.
3 -
6
SW.
d
C 14 1
5 T5 3
1
2
SW.
4C10
GANGED
BAND -SWITCH SHOWN
AT 2ND POSITION
,
SHORT WAVE BAND
9 TO 15.6 MC.
PHONO RADIO SW. o o
B+
p John F. Rider
www.americanradiohistory.com
PAGE 15-8 PURE OIL
YODEL 6A35TIG-564
PURE OIL CORP.
SPECIFICATIONS
Speaker
6" PM Dynamic
Intermediate Frequency
455 KC
Selectivity
40 KC Broad at 1000
Times Signal
Sensitivity (For 0.5 Watt Output, with
External Antenna)
B Range
9 Microvolts Av.
D Range
20 Microvolts Av.
Power Consumption (at 117
Volts AC)
40 Watts (normal)
Power Output
4 Watts Maximum
2.3 Watts, 10% Harmonics
Tuning Frequency Range
B Range
540-1600 Kilocycles
D Range
9-15.5 Megacycles
A/6-2103
C-10 C-9 "D'RANGE OSC. "B" RANGE OSC.
lVi IYO//
C6-500KC
PADDER
C 2
'D'I,ANGE ANT.
0
Sr I.F. C-15 1 C-16
3 LOOP ANT. TRIMMER
DRIVE CORD REPLACEMENT The drive cord may be replaced as
shown in the accompanying illustra -
ALIGNMENT PROCEDURE
Volume Control -Maximum All Adjustments. Connect Radio Chassis to Ground Post of Sig-
nal Generator with a Short Heavy Lead.
Allow Chassis and Signcl Generator to "Heuf Up" for several minutes.
The following equipment is required for align.
ing: An All Wave Signal Generator which will
provide an accurately calibrated signal at the test frequencies as listed.
Output indicating Meter -Non Metallic Screw driver.
Dummy Antennas - .1 mf., 100 mmf., and 400
ohms.
I.F. RANGE
B
RANGE
D
LOOP RANGE
B
SIGNAL GkNERATOR
FREQUENCY CONNECTION
SETTING
AT RADIO
455 KC
Grid of 6SÁ7 Pin 8
DUMMY ANTENNA .1 mf.
RAND SWITCH SETTING
CONDENSER SETTING
ADJUST TRIMMERS TO MAXIMUM
2nd I.F. (C20) & (C21. B Range Turn Rotor to Full Open let. I.F. (CIS) & (CIF'
1(20 KC 1400 KC
600 KC Repeat
Antenna Lead 100 mmf.
B Range Turn Rolar to Full Open Oscillator Range B(C9)
Antenna Lead 100 mat.
B Range
Tune Rotor to Max. Output
Set Pointer to 1403 KC (See Note A)
Ant
Range 8 (C3)
Antenna Lead 100 amt.
B Range
Tune Rotor to Max. Output
Rock
ORsoctiollra-tboer e
(C8) Nete
E
above steps et 1620 and 600 KC until readjusting the oscillator Range B Trimmer (C9) ruses no further improvement of output.
15.600 KC 14.000 KC
Antenna Lead Antenna Lead
neaseemble s,,usis in cabinet.
1400 KC
Antenna Lead
400 Ohm 400 Ohm
100 mmf.
D Range D Range
Turn Rotor to Full Open Oellleter Range D (C10,
Tune Rotor to Max. Output
RrAcnkt.RoRtaonrg-eSeeD
(C2) Note B
B Range
Tune Rotor to Max. Cutout
Ant. Range B(C3)
NOTE A-Set pointer st the 1400 KC mark on
the diet scale. Attach pointer to drive cord.
tion. For this purpose use a 58" piece of cord. After installing the cord, stretch the tension spring before fastening the free end of the string.
NOTE B-Turn Rotor buk and forth and adieu
-Flo trimmer until the
is obtained.
peak
of greatest
intenelty
POINTER (LAUP
GANG CONDENSER IN FULL OPEN
JJ
POSITION.
TENSION SPRING
REPLACEMENT PARTS LIST
NOTICE There is a power rating label on the chassis. This label specifies the power supply on which the radio may be used, and identifies the radio as to chassis, dial and issue letter. When ordering parts or writing, give ALL information appearing on this label.
MISCELLANEOUS
12A442 6" P.M. Speaker Complote with Output
Transformer
Cone and Voice Coil Assembly (Specify part number and letter. stamped on speaker)
Output Transformer (Specify part number
3A303 3A304
3A305
.. and
Tube
Solectkteetr-sOcsttaaml pe(d8
on speaker) prong) Moulded
Phono Motor Socket
Phone Socket -Single Pin Tip
_
2A345 Band Change Switch
__
13X328 Line Cord and Plue Assembly
._
28X292 Snao Button (Mtg. loop to cabinet)
10A578 Knob (Tuning)
I0Á579 Knoh (Volume)
10A581 Knob (Tone-R.P.)
IOA.S6O Knob (SW -BC)
9A1832 Counterpoise Antenna
TRANSFORMERS AND COILS
9A1812 T.I 9A1814 T.2 9A1815 1-3 9A182R1 T-4 9A1813 T-5 53X282 T-6 03X283 1-6
"D" Range Antenna Cnii Assembly.
1st 1-F Cell Assembly
2"Bnd"
I -F Coll Assembly Range Loop Antenne
"B" Range and "D" Range Oscilli.
tor Coll Assembly.
117 Volt. 60 Cycle, Standard Power
Transformer
117 Volt. 25 Cycle. Standgl Power
Transformer
53X284 T-6 117.234 Volt, 40.60 Cycle, liniment
Power Transformer T-7 Output Transtorvner (See Miscellaneoue)
CAPACITORS
4,5445 C -I 270 mint )7A164 C-2 5-50 mmf I7A123 C-3 1.0-12 mat 47X473 C-4 47 mint '
Moulded. __ Trimmer.. Trimmer Silvered Mica
47X474 14A184
B66501 178155
C-5 360 mmf C -6A. C -6B Gang
Pulley
C-7 .0005 mf C-8 350-430 mat
Silvered Mica
-Capacitor with Drive
200 V
T-ubular
Trimmer
I7A109 C-9. C -I0 2.5-33 nenf 47%472 C -II 40 mmf D66403 C12. C-18 .04 mf
Dual Trimmer Silvered Mica 400 V Tubular
47X466 C-13 68 mmf
Moulded
47X481 C-14 286 film/
SI'vered Mice.... .
C15. C -I6 Part of T-2 (1st 1-F Coil As-
eembly)
47X463 C -I9, C-23 47 mm/
Moulded._
C-20. C-21 Part of T-3 (2nd I -F Coll As-
sembly)
47X471 C-22 68 mmi
Moulded _.
D64403 C-24 .04 mf 066502 C-25 .005 mf 066104 C-26 TO ml 064253 C-27 .n29 mf 066402 C-28, C-31 .1)01 m1 066103 C-29 .01 ml
400 V 400 V 400 V f90 V
400 V 480 V
Tubular..
Tuhuiar Tubular Tubular Tuhol-r Tu'ral,,
C -30A 40 nml
45X346 i/ C306 40 1
C-3 0C 78 ml 17X470 C-32 330 mmf 866503 C-33 .05 ml 17X476 C-31 100 mint
ISO V 450 V
25 V
201 V
3 Section Electrolytic
Moulded Tonu'er MnU4r I
R85225 C84393 884393 884222
RESISTORS
Ohms
R.I. 0-7 2.2 men. R-2. R-1 39 K
R-3 39 K R-5 2200
Watts
(1.5 Carlton 1.0 Carbon 0.5 Carbon 0.5 Crbon
3 TURNS CLOCKWISE, PROGRESSING AWAY FROM THE CHASSIS.
1t -21e5Á
A DRIVE SHAFT
CT3105 086473 B84153 36X354
825106 88:474 881333 881023 40X275
C84271 43X213 D84182
R -G
R-8 R-9 R -IO
I me9. 47 K
15 K 500 K
R -II 10 meg. R-12. R -I6 .170 K
R-13 33 K
R-14 82 K R-15 3.0 moo
R - li
R -I8 R-19
270 2.0 1800
0.5 Carbon _.. 0.5 Carbon...
0.5 Carbon. Volume Control ;nd
line switch....
0.5 Carbon 0.5 Carbon. 0.5 Carbon 0.5 Cal bon Tone control and Redo Phono Swift', 1.0 Carbon 0.5 Wire Wound 2.0 Carbon
2íA410
6X21 20X370 26X470 10X192 15X230
28%113 78203
DIAL AND DRIVE ASSEMBLY
Dial Bracket Assembly Complete with
Dial, Background and S
_..
Rubber Grommet
t Mtg. Gang Capaeiter
Cond. Cushion Stud
Drive Shaft
..
"C" Wisher (For Drive Shalt)
Pvintrr
58" Drive Cnrd (18 Ih. test)
Drive Cord Tension Spring
Slot
.
Linn: Socket
Assrmby
No. 47 Pilot Light
SUBSTITUTE REPLACEMENT PARTS
the" ere aced on some receivers only. Cheek pert
number on part before ordering. -19)(280 Tone Control (substitute for 40X2751 '25X1539 Radio -Phono Switch Lever (when 40X280
is used) 2A161 D.P.D.T. Switch (when 40X280 is used)
1I2Á459 6" P.M. Speaker Complete with Output Tren sfermer
©John F. Rider
www.americanradiohistory.com
PURE OIL CORP.
PURE OIL PAGE 15-9 MODELS 506,5C7
Old
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PURE OIL CORP.
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PURE OIL CORP.
PURE OIL PAGE 15-11 MODELS 506,507
PARTS LIST
DIAGRAM PART
NO. NO.
DESCRIPTION
LIST PRICE
CONDENSERS
3-A, B, C 504086
6
502271
7
502165
10
502159
11
502155
12
502158
20
502453
21
502160
Condenser -trimmer assembly
CCCCCooooonnnnndddddACBeeeee-nnnnn--424ssssseeeee000rrrrr-----tmmm..ttooo12iiiccc233MMaa77a7000ffdd215..MMM60,0024mmm0000Mfff00Mdddm...Mmvvfoofmddll.ttf.d5.50000500vvoovllott..l..t......
CCoonnddeennsseerr--.m00ic2a
Mfd. 110
400 volt Mmfd. 500
volt
$1.10
.30 .45 .24 .30 .36 .20 .24
DIAGRAM PART
NO. NO.
14
502102
17
502103
1502213
37
{1502904
504244
DESCRIPTION
LIST PRICE
TTTTTrrrrraaaaannnnnsssssfffffooooorrrrrmmmmmeeeeerrrrr-----ooo2lueuunttttdpppuuuIt.IttF.F.(((.fffooorrr
$2.30 2.30
R-502998 spkr.) 2.50 A-502998 spkr.) 2.50 W-502998 spkr ) 2.50
23
27 28
502470 502160
502153
CCCooonnndddeeennnssseeerrr ---.m.0005ic0a8MfMd11.f0d2. 0M040mv0fodvl.tol5t 00
volt
31
502158 Condenser -.004 Mfd. 400 volt
35
502151 Condenser -.01 Mid. 400 volt
36-A, B 500256 Condenser-electrolytic
A-40 Mid. 150 volt
40 43
502152 502157
CCoonnddBee-nn2ss0eerr--M..00i25d.
150 Mfd. Mfd.
volt
400 400
volt volt
.20 .24 +4 .24 34 .20 .20 1 1.50
.24 .24
500546 502473
OSLTwaHmiEtcpRh-d-EtioLanEleC(TMcRoaInzCtdAraoLl 47P)A6R-8TVS.
150
Ma
.84 .22
502214 Cone 6 voice coil for R-502998 spkr
2.00
502903 Cone & voice coil for A-502998 spkr
2.00
504245 502998
Cone 6 voice
Speaker -P.M.
coil for W-502998 dynamic (5 inch)
spkr
2.00 6.60
MISCELLANEOUS PARTS
502502 Back for cabinet
.30
RESISTORS
4 5 8 9 13
502140
502291 502134 502130 502133
RRRReeeessssiiiissssttttoooorrrr----ccccaaaorrrxbbbboooonnnn Resistor -carbon
390 ohms 1/4 watt
4700 ohms 1/4 watt
470,000 22,000
ohms ohms
1/4 1/4
watt.. watt...
220,000 ohms 1/4 matt..
.12 .12 .12
.12 .12
15 16 18
502264 502269
502131
RRReeesssiiissstttooorrr---cccaaarrrbbbooonnn
47 ohms 1/4 watt 3.3 Meg. 1/4 watt 47,000 ohms 1/4 watt.
.12 .12 .12
19-A, B..502145 Volume control 500,000 ohms (with switch) 1.25
22 25 26
502136 502128 502135
Resistor -carbon
Resistor Resistor
--ccaarrbboonn
10 Meg. V4 2200 ohms
watt
1/4 watt....
2.2 Meg. 1/4 watt
.12 .12 .12
29, 30...502133
32
502134
33
502138
38
502489
39
502574
Resistor -carbon RReessiissttoorr--ccaarrbboonn RReessiissttoorr--ccaarrbboonn
220,000 470,000
ohms ohms
1/4 1/4
watt.. watt..
130 ohms 1/4 1500 ohms 1
watt watt
33 ohms 1/2 watt
.12 12
.12 .16 .12
1
502248
2-A, B, C 504096
2-A
504210
2-B
504214
2-C
504212
504211
504213
504215
COILS & TRANSFORMERS Loop antenna Tuning unit; complete assembly
Coil -antenna (less slug)
Coil-R.F. (less slug) Coil -oscillator (less slug) Slug core for Ant. coil (yellow end) Slug core for Osc. coil (white end) Slug core for R.F. coil (purple end)
2.90 10.80
1.20 .85 1.05
.45 .45 .45
116467 502476 502477 502506 500497 114955 116563 117057
500324 504147 501186
502564 502563
502367 81145 119087 85078
504045
17063 114628
502173
116690 160392 500499 504012 161384 111458
'cord.01 Base for mtg.
Cabinet -ivory
electrolytic condenser (Model 506)
CCCCCCCDlloooaliiiaabrvpnplmdi-en--nrrserpd-eecec-ctiattdt-aoaalameirrilia-dn-nafglbeedohlorrroraisavgscforeoasnaadrlnn,e(e5tycen5afmndob(nirtMingnao..foeeldtrledeeecbilqaata.dulc5si0krc7eo)dn)d.. per ft.
.04 5.00 4.60
.04 .02
.01 .05 .04 1.40
GKKnnrooobubn--midvinaoghryopgla(aMnteyod(eul(Mnd5oe0dr6e)l
I.F. trans.
507)
can)
Pointer
Retaining ring for tuning shaft
.10 .08 .08 .16 .01
Ring for dial cord
.01
Rubber grommet; Ant. 6 R.F. coil mtg
RScurbebwe-rNgor.om6mxet;1/4Osc. coil mtg
Screw -No. 8 Shalt -timing
x 1/2 chassis control
mtg.
Socket-octal SSoocckkeett--odciatall
base (rectifier) lamp (with
leads)
SSWpparriisnnhgge-rdf-osiraplrtuinncigonrgdwsaltusehgnesirdornifvore
cord tuning
shaft
.03
04 .01
.01 .15 .12 .16
.44 .05 .06 .005
PRICES SUBJECT TO CHANGE WITHOUT NOTICE
APPROXIMATE STAGE GAIN DATA
Be sure R.F. and I.F. taining a tuned and
stages are accurately aligned calibrated R.F. amplifier. A
before measuring gain. vacuum tube voltmeter
R.F. gains can be measured with a "channel" type instrument conmay be used for audio gain measurements. Observe following
precautions:
1. For all gain measurements connect signal generator as shown. Use 600 KC. signal with 400 cycle modulation (use nearby frequency if local station interferes.)
2. For R.F, and I.F. measurements connect
negative terminal of a 3 volt battery (two
11/2 volt positive
cells in terminal
steorieBs)-.to
AT.hVis.C.prloevaiddeasnad
definite operating point.
IMPORTANT: Disconnect battery when
measuring audio stage gains.
3.
Be Is
csuarreefuraldliyo
tuned erator
tsoiggneanl-
(use weak sig-
nal for sharp
tuning.)
4. When using a "channel" type instrument carefully tune it for maximum output at desired frequency before making measurements.
The R.F. and I.F. stage gains shown below are less than under normal operating conditions due to the use of 3 volts fixed bias in order to establish a definite operating point. Therefore, these values are not intended to indicate the full capability of a stage.
SX 4t4oVRC.
6X 4.41Cwt-
loó`c c ÓA20ÑXiO n.n.,.
75X tlu4eC.
- I
.,44200xCRn
yA9x`
UK CYCLIC s01444
300
MMF.
/ )=
12SR7 fJl.
Id K12t2-A7W.
1iSE7
U.-tM II7.-LIR
1lfEl7
Is U.
KIST
Differences in tube gain. Accuracy of equipment. These
characteristics, measurements is
tolerance of parts, adjustment dependent upon careful tuning
of of
factors may create considerable variation in gain
tuned circuits, and variations receiver to generator signal measurements.
of line voltage and experience
will influence stage in using your test
©John F. Rider
www.americanradiohistory.com
PAGE 15-12 PURE OIL b!ODEL 508
PURE OIL CORP.
Be sure R.F. and I.F. stages are accurately aligned before measuring gain. R.F. gams can be measured with a "channel" type instrument containing a tuned and calibrated R.F. amplifier. A vacuum tube voltmeter may be used for audio gain measurements. Observe following precautions:
1. For all gain measurements
2. For RF. and I.F. measurements connect
3. Be sure radio
4. When using a
connect signal generator as shown. Use 600 KC. signal with 400 cycle modulation (use nearby frequency if local station in-
negative terminal of a 3 volt battery
(two 11/2 volt cells in series) to A.V.C. lead and positive terminal to chassis. This provides a definite operating point. IMPORTANT: Disconnect battery when
is carefully
tuned to gen-
erator signal
(use weak
signal for
"channel" type in-
strument carefully
tune it for maximum
output at desired
frequency b e f o r e
making Ineasure-
terferes.)
measuring audio stage gains.
sharp tuning.)
ments.
The R.F. and I.F. stage gains shown below are less than under normal operating conditions due to the use of 3 volts fixed bias in
order to establish a definite operating point. Therefore, these values are not intended to indicate the full capability of a stage.
3.X
6x
Al 00
+...
W 15x
CON,/ wn
6SX
.»25RX ..
ISX
.00K.
IG NIL
OENERATOR
SET TO 600 HG
laL
ro CHASSIS
421
,'
is 4iS1A. -7pt.
'1 G-U] T
agi:e.lt Jt
r 1
NZ
Differences in tube characteristics, tolerance of parts, adjustment of tuned circuits, and variations of line voltage will influence stage
gain. Accuracy of measurements is dependent upon careful turfing of receiver to generator signal and experience in using your test
equipment. These factors may create considerable variation in gain measurements.
AUDIO OSCILLATION
The audio system of this receiver utilizes a two stage type of inverse feed-back arrangement and should it ever be necessary to replace the speaker or output transformer it is important to maintain a definite phase relationship in the feedback circuit. If the connections to the output transformer are reversed or if the feed-back connection is made to the wrong side of the output transformer secondary, the system will become regenerative instead of degenerative. Under those conditions audio oscillation may result. If that occurs, oscillation may be prevented by reversing the connections to the primary of the output transformer.
DIAGRAM PART
NO. NO.
DESCRIPTION
LIST PRICE
Did -
GRAM
PART
NO. NO.
DESCRIPTION
LIST PRICE
3
4
5A, B
502166 502164 502109
7A to E 502910
13
502161
14
502165
16A, B, C 502122
18
502182
22
502157
23
502155
25
502295
27
502159
29
502411
31A, B...502108
CONDENSERS
CCoonnddeennsseerr--cmeircaami6c7082MMaimdf.d.505000
volt..$0.30
volt... .70
Condenser -trimmer assembly i
Section A 2 to 15 Mrafd. }
.65
Section B 10 to 40 Mani.]
Condenser Condenser
--tmriimcamer27a0sseMmm. fdfo. r
P -B 500
tuner volt
3.00 .45
Condenser -mica 1.000 Mmfd. 500 volt .45
Condenser -variable gang
6.60
Condenser Condenser Condenser
---c..01e5ramMMfiiddc..
39 Mmfd. 400 volt 200 volt
500
volt
.40 .24 .30
Condenser -ceramic 10 Mmfd. 500 volt .30
CCCooonnndddeeennnssseeerrr---tm2riimcMammef5dr0.
Mmfd. 500 500 volt assem
volt
.24
.10 .75
40
502125
41
502135
43
502467
45
502131
47A, B...502117
50
502468
51
502128
55
502133
57
502132
58
502134
60
,502135
65
502291
66
502127
72
502137
74
502134
RRRReeeessssiiiissssttttoooorrrr----ccccaaaarrrrbbbboooonnnn 6422872.2,,0000000OMheOOmghh.smm1ss1//4411//2ww4 awwatttaat..t.t..tt....$... 0.1...1112222
Volume Resistor Resistor
--cccoaanrrtbrboool nn500422.,700000MOoehhgmm. ss1(/w41i/t4hwswawtaitt.tc.th....)
1.25
.12 .12
RRRRRRRReeeeeeeessssssssiiiiiiiissssssssttttttttoooooooorrrrrrrr--------cccccccwaaaaaaairrrrrrrrbbbbbbbeooooooonnnnnnnwo4244125u7277.600n2000000d,,,,0000M000OO0300003hhe0gmmOOOO.Osshhhhh1mmmm1m/1/4ssss/44s
1/4 watt 1/4 watt
1www/4aaatttwttt.....a....t...t
2 watt .. 1/4 watt
.12 .12
.12 .12 .12 .12
.25 .12
COILS & TRANSFORMERS
1
502186 Loop antenna
3.15
32 33 34
Section A 2 to 15 Mmfd.
2
502182 502167 502163
CCCooonnndddSeeeennncstssieeeorrrn---ccmBeeirrcaa2ammtoii4cc30153698MMmMMmfmmdf.ffddd...505500000vovvloot.ll.tt......
.40 .40
.60
8
9,
10.
502110 502025 502907 .502908
Coil-S.W. Complete
coainl-tternimnamer
assem.
for
P-B tuner
Coil less slug (540-1000 Kc.)
Coil less slug (650-1300 Kc.)
1.10
8.80 1.50 1.50
37
502151 Condenser -.01 Mfd. 400 volt
.20 11, 12 .502909 Coil less slug (975-1600 Kc.)
1.50
42
502157
46
502271
48
502150
49
502157
53
502160
54
502152
56
502410
59
502405
63
502150
64
502154
71A, B, C 502207
73
502153
20
502468
21
502127
24
502132
28
502130
38
502466
CCoonnddeennsseerr--m.05icaM2id6.0
400 volt Mmfd. 500
volt
.24 .30
CCCCCCCooooooonnnnnnndddddddeeeeeeennnnnnnssssssseeeeeeerrrrrrr-------....m..00200100552ic44aMMMMMMf1dfi1ffdid.ddd0.....4M0446460000000i0000nvonvvvvvltooooo5lllllttttt00 volt....
.20 .24
.24
.24 .30 .36 .20
Condenser-.05 Mfd. 600 volt
.24
Condenser -Electrolytic Ì
A-20 Mid, 25 volt ) B-20 Mfd. 400 volt (
2.20
C-10 Mfd. 400 volt.)
Condenser-.05 Mfd. 200 volt
.24
RESISTORS
Resistor-carbon 4.7 Meg. 1/4 watt
.12
RRReeesssiiissstttooorrr---cccaaarrrbbbooonnn
560 Ohms 1/4 watt 100,000 Ohms 1/4 watt 22,000 Ohms 1/4 watt
.12 .12 .12
Resistor-carbon 33,000 Ohms 1 watt ,.16
502911 501151
SClluipg-ffoorr
coils mtg.
502907, 502908, 502909.... push button coils
.25 .08
15 26
502112 502113
Coil Coil
-BC. -BC.
antenna
R.F
1.70 1.85
30
502114 Coil -BC. oscillator
1.45
36
502111 Coil-S.W. oscillator
1.10
39
44 52
502102
502103 502174
TTTrrraacnnrnssffsooforrmmrmeerre--rp2-lonswdt eI.rIF.F,
2.30 2.30 7.50
... (594206 Transformer-output for M-504205 speaker 2.00
88
4504208 t 504124
TTrraannssffoorrmmeerr--oouuttppuutt
for
for
R-504205 D-504205
speaker
speaker
2.00
2.00
OTHER ELECTRICAL PARTS
6
502120
17A, 8, C 502119
61, 62...110629
67
502118
69
504205
70
....
(504209 504207
)504125
SSLSwwwamiiitttpccchhh----dptbiouaansnlhed-(bMcuoatnztotdranol 44) 6.3 V. 250 Ma
Speaker-Electro-dynamic (6 inch) Cone & Voice coil for R-504205 speaker Cone & Voice coil for M-504205 speaker Cone & Voice coil for D-504205 speaker
4.00 2.80
.15
.70 9.00 3.00 3.00
3.00
502560 116467 502046 117315 500420
MISCELLANEOUS PARTS
Background for dial Base for mtg. electrolytic condenser Back for cabinet Call letter tabs for push-button
Clamp -for dial glass
$0.16 .04 .70 .55 .15
117057 502562 113402 502699 501449 501458
Cord -dial drive (102 in. required), per ft. .05
Dial scale -glass
3.85
Drum-for dial drive
.70
Escutcheon for push -buttons
1.70
Knob -volume or tuning
.15
Knob-tone or band switch
,16
©John F. Rider
www.americanradiohistory.com
y +
PA
P
7Ay 7B
74
AVVVW
73T-
6
PUSH-BUT TON SWITCH
i
MANUAL BUTTON
PPG
PC
PO
PE
PH
7C 7D 7E
P
6SK7
R.F.
PURE OIL CORP.
6SA7
1si DET.-OSC. . G>-_)_.4
6SK7
I.F.Z
> K
2 B
X
1 1 aSM
`
30p;: 1
2-
37
w
39
Ó O
40 42
33 ',LT"
i3
S,
w
SH
Sv
3131.44,_.1 \,
o (I7C
SS ST
29
BAND SWITCH SHOWN IN
BROADCAST POSITION
6507
2nd DET.- A.Y.C.
P
44 g
iÓ
3á
fHl K
5
. 46
poOAsl: osI.Á,o ,I
47A
6SJ7
1st A.F.
6K66í
OUTPUT
s6
64
T
x
5
58
67
PURE 91L PAGE 15-13.14
MOD :L 508
59
(
jIPK
PL
9/ j PO
g/; 'li0i; 13 Iil,Jl2l; ,j DD
PO
PR
PS
PT
PJU-
Pvßi ;PW
T POSH -BUTTON SWITCH SHOWN 14 IN MANUAL POSITION
xI 1 =
DIAL AND POINTER DRIVE CORD
ARRANGEMENT
To string dial cord, set gang condenser to fully meshed position and use following parts:
113177 114955 119087 117057
Tension Spring Clip on end of cord Ring for dial cord Cord (102 inches)
Pointer drive 72 inches Gang drive 30 inches
Lettered terminals in illustrations correspond to similarly lettered terminals on
the circuit diagram.
.O,%,CNC[
2
PWI IPV IPI
EPJ PLI IPK
BOVTIETWOM
PG. ...PF
PHI
IPE
IPD IPC
IPe
IPA
PNI P)(I PM
POI PYI I
..
PUI PZI
'PT IPS IPR IP0 IPP
TOP VIEW
PUSH-BUTTON SWITCH 502120
RED AND GREEN LEADS TIED TO SUPPORT
GREEN SPACER
BLUE AND GREEN LEADS ROUTED AROUND TUBE
I. F. 455 KC.
60
v52YELLOW
R.oi
1
á
EREDBYEL
5Y3GT
RED RECTIFIER
,RN 61
: ó R'N
62 x
6
F
- 70 5-10-0-0-1-l --
71AT 718 7IC
J
72
WHITE BLUE ORANGE
LACK BROWN 'YELLOW
LEAD SUPPORT AND SPACER
SOCKET VOLTAGES
Measured with voltmeter having sensitivity of 1000 ohms per volt except where indicated by (*).
VOLUME ON FULL WITH NO SIGNAL RANGE SWITCH IN BROADCAST POSITION
DIAL TUNED TO 540 KC. MANUAL BUTTON PUSHED IN
BOTTOM VIEW OF CHASSIS
117 VOLT 60 CYCLE A. C. POWER SUPPLY USED
FOR THESE MEASUREMENTS.
6K6GT
ALL VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND CHASSIS.
OUTPUT o
o
220
VOLTAGE ACROSS
SPEAKER FIELD
70 VOLTS
6SK7
R.F. 0 0
REFERENCE NOTCH
BC. ANTENNA
COUPLING COIL 502112
B.F. COIL
502113
SA
SB
SF
SC
SE
SD
PRONT SECTION REAR VIEW
BC. OSCILLATOR COIL
S.W.
ANTENNA COIL
S.W.
OSCILLATOR COIL
502114
502110
502111
SL
SV
SU
SK
sj
SH SG SN
BEAR SECTION FRONT VIEW
ST
SP
SS
SQ ISR
RERAERARSEVCIETWION
IMPORTANCE OF MAINTAINING FIXED POSITIONS FOR LEADS AT TOP OF CHASSIS
The wires shown in the above illustration are associated with tuned circuits which carry radio frequency currents. Therefore, care must be exercised to insure that they are properly routed and spaced. Anchoring and fixing spacing of wires minimizes freedom of movement and is utilized to maintain a stable arrangement.
Since the relative positions of these wires may affect tuned circuits it is important to avoid any change in arrangement after the receiver has been aligned. If the position of the wires has been disturbed, it is advisable to re -check alignment (see previous page for alignment procedure).
63
235
AC
-6 -19
310
A
310
A C
\305
6ó
s 6.3 AC
IS
26 305
6SJ7
ist A.F.
5Y3GT
RECTIFIER
2.5
- o o 63 AC o
6SQ7 2rí1 DET.- A.Y.C.
-.0
-2.2
N-5.0 6.3
Ac o
0 0
6SA7
1st DET.-OSC.
REAR OF CHASSIS
*-Measured with vacuum tube voltmeter.
NOTE:-The 6K6GT grid bias of -19 volts can be measured across resistor No. 72.
© John F. Rider
dclsenar..tícA.
PURE OIL CORP.
PURE OIL PAGE 15-15
N0DF,L 508
SW.
1ST DET.OSC.
PK -PoJ -o-1-7C
MAN 5P 50
63A7
39
AVG
BAND -SWITCH SHOWN \
AT 1ST POSITION. BROADCAST BAND
540-1725KC
8+
GANGED
27
SU
SW 17G.
8+
55
PO PU
MAN 5W
/
/
J
36 (SEC)
1 (PRI)
5W 170 oSA SC
5A
5W 17C
SR
--GANGED---, 29
SW 171
O Ó
SK !SN
33
165
315
7.7 AVG
BAND-SWITCH SHOWN AT 2ND POSITION CLOCKWISE.
FOREIGN BAND
11.4-15.5MC.
SL SW1701
1,5M
PZ PY MAN. SW.
39 5+
(PR i)
2 R
73
4
A
r5W.17A
SA SC SD
55
16A
58
SK
AVG
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE .
31 M. BAND
5.9-10.0 MC.
SW 17C
SR SC
29
27
Sv ST SU
}I Sw17C
34
1ST. DET. -OSC. 65,5.7
39
egi E s
28
T37
98
X SL
5W 178'
SM
5N
39
SG
N PZ PY
36
MAN SW.
32
318
31A
@John F. Rider
MODEL 508
PURE OIL CORP.
1. The chassis and loop antenna should remain in their normal position in the cabinet throughout the following procedure.
2. Check arrangement of leads to push-button switch as shown in illustration on following page.
3. With the gang condenser fully meshed, dial pointer should be in the position indicated by the last division below 55 or. the dial. If it is set incorrectly, release pointer clip on dial cord and reposition pointer.
4. Connect output meter across speaker voice coil.
5. Connect the ground lead of the signal generator to the receiver chassis. 6. Set volume control at maximum volume position and use a weak signal from the signal generator. 7. Push in the manual button and leave it in that position throughout the alignment procedure. IMPORTANT:-Align this receiver in exactly the order shown below. Broadcast band must be aligned before short wave bands.
DUMMY ANT. CONNECT
IN SERIES HIGH SIDE OF
WITH SIGNAL
SIGNAL
GENERATOR GENERATOR T.
M Co1 ndenser
Trimmer on rear section of gang
.003 MFD. Condenser
.003 MFD. Condenser
.003 MFD. Condenser
External Antenna
L.Clip on Frame
External Antenna Clip on
Lo Frame
External Antenna
Clip on
Loon Frame
003 MFD.
Condenser
External
ACnlitepnonna
Loop Frame
003 MFD.AnEtxetenrnnaal
Condenser
Clip on
Loos, Frame
400 OHM
Carbon
Resistor
External Antenna Clip on Loop Frame
400 OHM Carbon Resistor
External Antenna Clip on Loop Frame
400 OHM Carbon Resistor
External Antenna Clip on Loop Frame
SIGNAL
BAND
GENERATOR SWITCH
FREQUENCY POSITION
455 KC
Broadcast
(counter-
clockwise)
1500 gC 1500 KC
Broadcast (counterclockwise)
Broadcast (counterclockwise)
1500 EC.
Broadcast (counter-
clockwise)
Broadcast 600 gC. (counter-
clockwise)
RECEIVER DIAL
SETTING
TRIMMER TRIMMER NUMBER DESCRIPTION
TYPE OF ADJUSTMENT
doesAdjust Any point
where it
1-2
2nd I.F.
for maximum output.
not affect the signal
3-4
1st I.F.
Then repeat adjustment.
1500 RC
Broadcast
5
Oscillator
(Shunt)
Adjust for maximum output.
Tune to 1500 RC Generator
Signal
Tune to 1500 RC Generator
Signal
Tune to 600 RC Generator
Signal
Broadcast
6
R.F.
Adjust for maximum output.
Broadcast
7
Antenna
Adjust for maximum output.
Adjust for maximum output.
8
Adjustable core of Broadcast Oscillator Coil.
Try to increase output by ro -
toting core in and out and
iu retuning receiver
untilal
a
outputis obbttained.
Repeat adjustments of trimmers 5, 6 and 7 at 1500 Rc. Then re -check adjustment of trimmer 8 at 600 Rc.
15 MC Short wave
15 MC
15 MC. Short wave
Tune to 15 MC
Generator Signal
9.5 MC
31 M (Clockwise)
9.5 MC
9
SW Oscillator
S.W.
10 Antenna
31 M
11
Oscillator
Adjust for maximum output. Check to see if proper peak waas obtained by tuning in image at approx. 14.1 MC. If image does not appear, realign at 15 MC, with trimmer screw farther out. Recheck image. Adjust for maximum output. Try to increase output by detuning trimmer and retuning receiver dial until maximum output is obtained. Adjust for maximum output. Check to see if proper peak was obtained by tuning in image at approx. 8.6 MC. If image does not appear, realign at 9.5 MC. with trimmer screw farther out. Recheck image.
400 OHM Carbon Resistor
External Antenna Clip on Loop Frame
9.5 MC
s m T1- NOTE
-- SOME GANG CONDENSERS HAVE
TRIMMERS LOCATED AS SHOWN HERE
31 M (Clockwise)
Tune to 9.5 MC Generator Signal
12
31 M Antenna
Adjust for maximum output. Try to increase output by detuning trimmer and retuning receiver dial until maximum output is obtained.
n R .
OSC
1500
1500 KC. GM
S
l=,
ANT ANT. 15 MC. 9.5 MC.
("E;
TOP VIEW OF CHASSIS
455 KC.
6K6GT
© 'lae 0 tS00KC.
8 T© O 5sóó KC
) )
a
{
ANT.
1
1500 KC.
1
KC.
455
KC.
5Y3GT
Q R E
1500 KC
OSC.
°.
REAR OF CHASSIS
9,
i
®John F. Rider
RCA MFG. CO.
RCA PAGE 15-1 MODEL R- 3-B
t ú
00'2111
01 100.000.
.2M.
ce
u,» W.+.errtt.. w xr.
i
;
o +eMOM. WPMn V
101
cw
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< c
.10.e00n01,1n1ue0wrso0w10w00a13
Oe 40.000
7 <nxir,o
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.100 0000.
Electrical Specifications
Figure A-Schematic Cirerait Diagram
"A" Battery Current
0 55 Ampere
"B" Battery Current (Max. Volume Control)..0.032 Ampere
Type and Number of Radiotrons
.2 RCA -234,
1 RCA -232, 2 RCA -230. 1 RCA-233-Total, 6.
Undistorted Output
0 4 Watt
Important-When using 3 -volt "A" supply as shown in
Figure 2 (b), be sure to open the link connecting terminals 1 and 2 on the rear of the chassis. For 2 -volt "A" supply as in Figure 2 (a), the link should be closed. The proper link position is shown by the inset in each diagram.
I 2, LIIIII CUSIR
CUM
sß
IIn11MAL. o sous
e-G o
10.
CMASAs
z
o 11sRIIMAL
s
IOW
LIMO OPIO
REPLACEMENT PARTS
STORAS! A CUL
(2 VOLTS )
'A' SATURO SIR I, VOLT ORT CULS
(500155)
Stock No.
DESCRIPTION
Stock
DESCRIPTION
2012 2532 2747 2963 2994 3076 3078
3079
3118
3252
3297
3358
3368 3382 3456 3460 3471 3509 3510 3511 3512 3513
RECEIVER ASSEMBLIES
Capacitor - 1,200 mmfd - (C-17) Capacitor - 230 mmfd - (C-19) Cap - Contact cap Resistor - 8,000 ohms - Carbon, 1 watt (R-2) Coil (L-11) Resistor - 1 megohm - Carbon - 1/2 watt (R-8) Resistor - 10,000 ohms - Carbon - 1/2 watt -
(R-13, R-10) Resistor - 40,000 ohms - Carbon - 1/2 watt -
(R-4)
Resistor - 100,000 ohms - Carbon - 1/4 watt (R-1)
Resistor - 100,000 ohms - Carbon - 1/2 watt (R-5)
Resistor - 80,000 ohms - Carbon - 1/2 watt -
(R-15)
Resistor - 3,000 ohms - Carbon - 1/2 watt -
(R-3)
Socket - UX type Radiotron socket Resistor - 750 ohms - Carbon - 1/2 watt (R-12) Capacitor - 0.05 mfd (C-1, C-15) Capacitor - 1,200 mmfd - (C-17) Capacitor - 0.025 mfd - (C-20) Socket - Five contact Radiotron socket. Shaft - Tuning condenser drive shaft Scale - Dial scale and drum Switch - Operating switch (S-1) Capacitor - 700 mmfd - (C-12)
3515
6142
62288249 6280
6315
6333 6414
8415
8416 6417 6418 6419 6463 7241
RECEIVER ASSEMBLIES (ContInued)
Resistor - 1,800 ohms - Carbon - 1/2 watt -
(R-11)
Resistor - 6,000 ohms - Carbon - 1/2 watt -
(R-7)
Resistor - 200.000 ohms - Carbon - 1/2 watt Resistor - 1.5 ohms - Flexible type (R-14). Resistor - 400,000 ohms - Carbon - 1/2 watt
(R-9)
Resistor - 45,000 ohms - Carbon - 1/2 watt (R-4)
Cable - Battery cable Capacitor pack - Comprising one 1.0 mfd., two
0.75 mfd. and two 0.1 mfd. (C -5,C -6,C-7). . Transformer assembly - Comprising interstage
and output transformer (T-1, T-2) Transformer - First I -F transformer
Transformer - Second I -F transformer Coll - Detector oscillator coil
Coll - R.F. coil Volume control,- 100,000 ohms (R-6) Condenser - 3 gang variable tuning
6166 8983
8984
LOUDSPEAKER ASSEMBLY
Board - Terminal board, two terminals . . . . Magnet assembly - Comprising cone bracket core
and magnet Cone - Speaker paper cone
@John F. Rider
www.americanradiohistory.com
.2AGE 15-2 RCA
MODELS 9X6,9X11,9X12,
9X13,9X14
C2 12-400
MMF.
RCA MFG. CO.
6K7
BOTTOM VIEW
6,17
R.F
OF
TUBE SOCKETS
DE T.
25L6
OUTPUT
C1
ANT.
01 MFD.
-C,OIL URNS
,Q1
C17
4.7
MMF,
DE T. COIL
CS
12-400
MMF.
L2'
sit
R1
3-15
L3 ele
a MMF. ZOO. 701t SECT
VOL. 3 i STOP
iC4 CONTR.
- CT
- .025
50,000" 2
TMOS
MFD.
TOTAL
FD.
I
1 C15
.0 MFD.
12R09,0^ C16
0.25
BLACK
11
ON yo,.
CONTROL
777
MFDSI
C13
16 MFD.
FIELD Li 400jt
z
C6 3-15 MMF. R2 10 MEG.
R3-"" 2.2 MEG
YELLOW
C14
16
MFD.
R6 150^
C10--.01 MFD.
CB
01 MFD.
I
i
/
R4
470,000'
C9 300
MMF.
T1
L5
2.71
1so
T R5
1 MEG.
(1
/ HUM NEUT.
ó
COIL L6
J W
>-
1011
MFD.
M-R8C6-345508--A4
C12---
0.1 MFD.
25Z6
RECT.
-DIAL LAMP
RB
25" jRED
RED DOT
112K I160K.0 7-
CHASSIS SYMBOL
YELLOW
YELLOW DOT. BLACK ti
BALLAST RESISTOR R7- 175^
Schematic Circuit Diagram
9X6, - 11, - 12, - 13, - 14
CATHODE CURRENTS
6K7-
0.5 M.R(VOL. MIN.) {10.3 M.A.(VOL. MAX.)
---- 0O..2 M.A. 25L6 -- - 44 M.A. TOTAL RECT. "Er---- S4 M. A.
r
oOf 1' OVTINT
611 3
NEC 2516
r 661
R1 VOLUME
CONTROL,.
_6K7
/ 2V.(VOL. MAX.) f 15V. (VOL. MIN.)
-7V
251.6 OUTPUT
.-T0 POWER CORO
BOTTOM VIEW - REAR OF CHASSIS
P-84420
RC - 350-A
R -F Wiring Diagram and Socket Voltages
Note: Values with (*) are operating voltages. Values not starred are actual measured voltages.
Measurements made to common negative line, unless otherwise specified.
Measurements made with set tuned to quiet point, volume control at minimum, using 1,000 -ohm -per -volt meter, having ranges of 10,
50, and 250 volts. (Use nearest range above the specified measure( voltage.)
± Values should hold within approximately 20% for 117 -volt 60 -
cycle a -c supply. On d -c, voltages are approximately 10% lower, except heaters, which remain the same.
Precautionary Lead Dress
1. Dress green lead from antenna coil to gang up from speaker chassis.
2. Green lead from gang to grid of 6J7 must be dressed down and away from top of bracket, and centered in gang section.
3. Green lead from detector coil to gang must he dressed under pilot lamp bracket: Any excess wire should be pulled through to under side of chassis.
4. Pilot lamp leads must be dressed clear of gang rotor. 5. Magnetite core in detector coil must not be in contact with base
or mounting screw.
Power -Supply Polarity.-For operation on d -c, the power plug
must be inserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a -c, reversal of the pl4g may reduce htfm.
Antenna.-The set is equipped .with a 25 -foot antenna. Do not
connect the antenna to ground. If an outdoor antenna is used, it should not be longer than 100 feet, including lead-in. If it is longer, connect a 100 to 200 mmfd. capacitor in series with the lead-in.
25 -Cycle Operation
For 25 -cycle operation. connect a 16 mfd., 150 -volt dry electrolytic capacitor (Stock No. 31323) in parallel to C13.
CJohn F. Rider
www.americanradiohistory.com
RCA PAGE 15-3
RCA MFG. CO.
MODELS 9X6, - 11, - 12, - 13, - 14
RC -350A) Replacement Parts
Jial Lamp
POWER SUPPLY RATINGS A -C Rating D -C Rating
MODELS 9X6, 9X11, 9X12 9X13,9X14 MODEL X-55
Mazda No. 40, 6.3 volts, .15 amps.
105-125 volts, 50-60 cycles, 50 watts 105-125 volts, 50 watts
STOCK No.
DESCRIPTION
POWER OUTPUT (1.25 -volt, 60 -cycle supply)
Undistorted Maximum
1.0 watt 1.5 watts ,
14392 30883 14393
4870 30882 30899 12484 31323 30875 32027 31321 32030 31314 31315
4340 31193 32028 13428 13734 12285 13730 12879 13601 4387 31318 31319 32029 32026
RECEIVER ASSEMBLIES
CCaappaacciittoorr--43.070
mmfd. mmfd.
(C17) (C9)
Capacitor-.01 mfd. (C15)
Capacitor-.025 mfd. (C7)
-2 CCCCCCaaaaeoppppiialaala-c-ccAcRiiitttiooont-orrrft---er1-00cn.o0n.6.i21l5a5(mLcmmof3mdiffl,dd.f..dL.((LC4((CC1)(1C,1432)1, )6L)C2)14)
Condenser -gang variable tuning
condenser
CDDori(aurCdlm-2-S,R-tSeaCtsta3iiot,sitnoaCnn5sc,eelseCec6plteo)ocrwtoedrrialcdoisacrldale
(R7) scale
drum-less
scale
Lamp-Dial lamp
-1 LRRRRRReeeeeeessssssaiiiiiidsssssstttttt-ooooooArrrrrr-----n14122t275e.5200n0mn,,00oaemh00gom.00hel,egmsa.,,s}doo,hh3-}awmm}pwasswp,,tatwrato}tt}ast(xt,Rtiwwm5(wRaa)(atRti3tttr)e6el)((ywRRo492u))5ndft.
long.
(R8).
Resistor -10
Screw-No.
meg., } watt 8-32 headless
(R2) set screw
for
drum,
Stock No. 31315
Socket-Dial lamp socket
Socket-Tube socket
Transformer-Output transformer (T1)..
Volume control and power switch (R1, Si).
LOU OSPEA K ER
Type Voice -Coil Impedance
9.inch Electrodynamic 3 ohms at 400 cycles
Alignment Procedure
Reel up the antenna wire, and keep it away from chassis during alignment. Connect the high side of test-oscillator through an 80 mmfd. capacitor to the antenna terminal. Connect low side of oscillator to receiver chassis through a 0.1 mfd, capacitor. Turn gang condenser to minimum (full out), tune oscillator to 1,760 kc, con-
nect an output meter across the voice coil, and turn volume control to maximum.
Adjust the two trimmers (C3 and C8) on side of gang conaenser f or maximum output, using lowest possible output from test-oscilator.
Pre-setting Dial.-With gang condenser rotor plates turned full in
for maximum capacity, loosen dial -drum set -screw, and turn drum so that the op edge of dial (low -frequency end) is approximately 1/16 -in. below level of gang frame, and tighten yet-screw.
SPEAKER ASSEMBLIES (88309-2)
31325 Cone-Speaker cone and voice coil (L5) 32025 Speaker complete
MISCELLANEOUS ASSEMBLIES
31328 31915 31914 31204 30900
Escutcheon-Station selector dial escutcheon-
Model 9X6
Escutcheon-Station selector dial escutcheon-
SKKpnn--Mr-MooiMnobbgod--oe-SSdlRdsettaaeelttss9tiiaXooi99nnn1XX1in6,1ssg,e2e9lle9eXcascXptn1too1dr2rir1,n9go9oXarrXn1fdo13vvr3oo9lloXuukanmmn1lnyd4eeob9ccoXsoonnnl.1y.tt4.rr.oo.ll.onkklynnoobb
Adjustments For Push -Button Tuning MODEL
The push -buttons should be adjusted for six favorite stations after the receiver has been operating for a brief warm-up period. Each button may be set up to any standard broadcast station. The preferable arrangement is to adjust for stations in the order of frequency, from low to high. Proceed as follows:
1. Pull off the push -buttons and loosen the push-button rods with a small screwdriver.
2. Turn the accessory switch to "Radio" position and accurately tune in the station for which the first button is to be set.
3. Press in push-button rod No. 1 (left) with the screwdriver, as far as it will go without undue pressure, hold in, retune station with manual control if necessary for best reception, and then carefully tighten up the rod. Do not tighten more than I turn after the rod begins to grip or damage to the mechanism may result.
4. Replace the push-button on its shaft. 5. Proceed in a similar manner for the remainder of the pushbuttons.
X-55
Record
i TERM. BOARD REAR OP CHASSIS
STOCK NI 9124 SWITCH
(REAR VIEW) -PHONO POSITION
lNELO
ewe
5 4TAP[RCD
ORCEEN
1"el K-38107
TO RECORD PLATER
Player Connections, Using a No. 9824 Switch
STOCK No.
DESCRIPTION
33719 34024 34025 33731 12720 12725 34213 30433 14393 11315 32787
4839 34505 34212 33724 33728 33631 32634 33633 11765 33721 33727 30880 30152 12454 12412 12264
CHASSIS ASSEMBLY (RC -473A)
Belt-Push button arm adjustment belt and rivets
Board-"Antenna-Ground' board
430 Board-"Radio-Phono"
BCCaaupptaatccoiinttoo-rrP--u11s05h00
button mmfd., mmfd.,
board moulded moulded
mica mica
CCaappaacciittoorr-470
mmfd., mmfd.,
mica moulded
mica
Capacitor-.01 mfd., 300 volt
Capacitor-.015 mfd., 400 volt
CCCaaapppaaaccciittiootorr--r0-0..0.215
mfd., mfd., mfd.,
400 400 300
volt volt volt
Capacitor-Electrolytic comprising
50,mfd. each, 150 volts
Coil-Oscillator coil (LI)
Condenser-Tuning condenser and drum assembly
Control-Volume control and power switch (S1)
Cord-Tuning condenser drive cord
Indicator-Station selector pointer
Lamp -Pilot lamp-Mazda No. 51
Loop-Antenna loop
Plate-Dial plate frame
RRRRReeeeesssssiiiisss:sttsttooootrrorr----r2341-1237,050,,0000,00000o00h0omhoo,mhhommhs,}m,s,sW1}, } .WW} W..W. .
STOCK No. 12285 30271 13601 33735 33725 31365 31319 33720 31418 33722 34028 33726
32907 34554 34802 34803
31458 33729 33637 30863 30900 33973
DESCRIPTION
Resistor Resistor Resistor
---4437.070,0mm0eeg0goohhommh,m, }s,}
* W. W. W.
Screw-Push arm lock screw
Shaft-Tuning condenser drive shaft and retainer
Socket--Lamp socket
Socket-Tube socket
Spring-Push button arm return,spring
Spring-Tuning condenser drive cord spring
TTrraannssfoformrmere-r2-nlidt
i.f. i.f.
transformer transformer
Washer-"C" washer for drive shaft
SPEAKER ASSEMBLIES (RL 85-2)
Cap-Cone center dust cap
-5 Cone-Speaker
Speaker -inch
copneermaanndenvtoicme acgonilet-less
trans-
former
Transformer--Output transformer
MISCELLANEOUS ASSEMBLIES
-8 Cover
protective covers for push-button
markers
Dial-Glass dial scale
Escutcheon-Dial and button escutcheon
Knob-Tuning, volume control, or power switch
knob
-1 Spring-Retaining spring for knob or button
Marker set push-button marker
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 RCA
MODELS Q10,Q10As
Ch.RC-594C,Early
RCA MFG. CO.
125A7 1ST. DE1. b OSC.
CIA
125K 7
I . F,
125Q7
2 ND. DET.IAF.4.
5OL6G T/6
OUTPUT
22o
R1
22 MEG
CI
.005
C3
.r2-15
o IÇá3t
Lt ej - L2
.2.n.
L3
L4
406.
94V.
iST.I.F. TRANS.
1
s
IC
56
D
-11.5V.(54014) -19.1v. (160045) -7.7V. (4.7I.0 -12.1V. (18.2 MC)
*
-14 V. APROX. MAX. A.V.C.
- .C0I2O52
4E
-O.7V.
_
2ND. LE -TRANS.
RG
1t -IA v.
A
C12 110
j
d
l
MEG.10
- I10- 52.4.
D
fF lioo L11
I 126 12n C14
--- R2
3.3 MEG.
160
- R3 47M
E
I
-r-c151+
160
B
R5 470M
OSCILLOSCOPE CONN'S VERTICAL'1II' TO THIS POINT VERTICAL'O' TO CHASSIS
R11
100 M
C 24
ISM MI'.
V.C.
3.4A1
n ( 1 PM.7PKR.
oo
R9 1000
L
3
4> 6
7
C4
56
g .0C151
xm
St .
n ar
b c5 1P(C6
I1 -399ÎQ 2-15
BOTTOM TERM.
2 POS. RANGE 5W.
A' VIEWED FROM FRONT
AND SHOWN IN BAND (MAX. CCW.)
POSITION.
POS. BAND RANGE
a 4C350A Q
I"4.5n
1 #®
® 61-K )?
PAINT SPOT
OSC COIL
2-1 0
1
A 540-16804C. 11'TOTAL
2 C 4.7 -16.2 MC.
R4 Z
t
VOL. CONIC
M=1000
BOTTOM VIEW OF TUBE SOCKETS.
COIL RESISTANCE VALUES LESS THAN ONE OHM ARE NOT SHOWN.
* *
VOLTAGES 20% WITH
SHOULD RATED
HOLD WITHIN SUPPLY.
MEASURED WITH CHANALYST
OR VOLTOHMYST.
NOTE ON SOME UNITS I) C21 AND C22 VALUES ARE
INTERCHANGED, R5 15 220 M AND RIO, R11,C 24 OMITTED.
2) ON ANTENNA COIL A 56 MMF.
CAPACITOR IS CONNECTED FROM TERMINAL (2) TO GROUND. (THIS 15 NOT NECESSARY ON
REPLACEMENT COILS).
NOTE.-The power -cord of Model kept free of surrounding objects for kinks should also be avoided.
Q10A should ventilation;
be uncoiled sharp bends
and. and
IF
516
T.CO
12547
7
2
3 125Q7
7
8
1+ _Z D
MF C21
30
Y50C2M2F.
BLK
2
4
129K7 501.GGT/6
2
7
7
2
35Z5GT/G
REGT.
CATHODE CURRENTS
(I) 175A7 _ - - . I1.o MA.
12) 125K7
20.0 MA.
L3) 12507
- - - 0.2 HA.
(4) 504.655/6 - - - - 41.5 MA.
(5) TOTAL RECT.. - - 72.7 MA.
52
ON VOL. CONTROL
PEAK 455 KC
P-923082-6 GO- RC 5944
C23
Rio
1OS
55
P1O 30CKET
TERM.(REAR) VIEW OF P1U6 1)110 SOCEET5,
PlOuPWRERY
175
345
SOCK
23, VoTS
AC- DC eo W.
I
STOCK No.
DESCRIPTION
Replacement Parts
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES
RC -594C
70367 Capacitor-Mica trimmer. 2-10 mmf. (C7)
39622 Capacitor-Mica, 56 mmf. (C4)
39636 Capacitor-Mica, 220 mad. (CIA, C17)
39643 Capacitor-Mica, 430 mini. (C5A)
70627 Capacitor-Tubular, .005 mid., 600 volts (CI, C16, C18)
70612 Capacitor-Tubular, .025 mid., 400 dolts (C10, C20) 70615 Capacitor-Tubular, .05 mfd., 400 volts (C11, C23)
70617 70371
70360 70359 70366 38406 32634 70365 37068 70364 70368 36230 71290 30880 30152 30685 30787
3252 30648 30649 12928 30992
Capacitor-Tubular, 0.1 mfd., 400 volts (C24) Capacitor-Electrolytic, comprising 1 section of 50 mid., 150
volts; 1 section of 30 mfd., 150 volts; and 1 section of 20 mid.. 20 volts (C22, C21, C19) Coil-Antenna coil (L1, L2. L3, 1.4, LS) Coil-Oscillator coil (L6, 1.7) Condenser-Variable tuning condenser (C2,. C3, C5, C8) Control-Volume control and power switch (R4, S2) Cord-Drive cord (approx. 37 inches long) Core-Adjustable core and stud for oscillator coil Indicator-Station selector indicator Nut-Speed nut to mount oscillator coil Plate-Dial back plate complete with pulleys less dial Pulley-Drive cord pulley
Resistor -33 ohms, 1 watt (RIO) Resistor -150 ohms, 1/2 watt (R7)
Resistor -1000 ohms, 1 watt (R9) Resistor -33,000 ohms, 1/4 watt (RIA) Resistor -47,000 ohms, 1/4 watt (R3) Resistor -100,000 ohms, 1/4 watt (R11) Resistor-470,000 ohms, 1/4 watt (R5, R8)
Resistor -2.2 megohms, 1/4 watt (RI) Resistor -3.3 megohms, 1/4 watt (R2) Resistor -10 megohms, 1/4 watt (R6)
70389 70363 37605 31418 70358 70361 70362
70370 33726
Shaft-Tuning knob shaft
Socket-3 pin socket for power cable located on rear apron
Socket-Tube socket, moulded
Spring-Tension spring for drive cord Switch-Range switch (S1)
Transformer-First I -F transformer (L8, 1.9, C8, C8) Transformer-Second I-F transformer (L1O, Lll, C12, C13,
C14, C15)
Transformer-Output transformer (T1) Washer-Retaining washer for tuning shaft
70372
SPEAKER ASSEMBLY 92510-2
-5 Speaker -inch PM speaker complete
NOTE: If stamping on speaker In instrument does not agree with above speaker number, order replace ment parts by referring to model number of instrument, number stamped on speaker and full description of part required.
37362 70374 70375 70373 71023 70376 37831 35121 36722 35126 30900
MISCELLANEOUS ASSEMBLIES
Clamp-Dial clamp (1 set) Cord-Power cord for 110 y. operation Cord-Power cord (resistance) for 220 v. operation Cover-Back cover less power cord Decal-Trade mark decalcomania Dial-Dial scale Fastener-Push fastener for back cover (I set) Knob-Range switch knob
Knob-Volume control or tuning knob Spring --Retaining spring for range switch knob Spring-Retaining spring for volume control or tuning knob
OJohn F. Rider
Fer other data, see P.15.7
www.americanradiohistory.com
X l.9.1.0
J---- a
dcl:eaatice.
RCA PAGE 15-5
MODELS Q10,Q10A Early
m
c1
N U
RCA MFG. CO.
+ m
MODELS Q10,Q10-2, Q10A-2 Late
ri tu MO
01
-s
.--r
Z30 N
C)
. ¢
I,
sun
oIH1
o
v
W
i
J
za
riC7
r l'
o=JmQQV
= Uw 2
Q I- O c1
N -J
J in
e I
CZ:3oáO
J
tr)
Q
CO
Z(X=)
V)
m N
4
ei
r ,ñ/w---1I.
Q
v
J
ei
,-1
- 4
N e
I
II---il
;
,, ,..
ú
Q
ó
`1'
o
U
-z
__J
N
Z
0
ó Z Z en O <
Ú Fú-np(In- 0Yo .
0o
o^O N Q ir)
ZQIQ-
CC 03
03
©John F. Rider
www.americanradiohistory.com
F 'AGE 15-6 RCA
YODELS Q10,Q10A,Q10.a2 Q10A-2,Ch.RC-594C Late
RCA MFG. CO.
12.5A7
1 ST. DET b OSC.
125K7
( 25Q7
2ND.DET.tAF.e
50L6 G
OUTPUT
CIA CI
.005
LI 1.2n.
94V.
D n 5v.(5401x) -19-1V. (160010) - 7.7V (4.750) -12 IV. (I6.2 MC)
-14 V. APROX. MAX. A.VC
C02IOsI
ooo Z.
44 0.7V.
4V
r Ia3' 250. I.F TRANS. 0,14. 1
R6
10ME6.
R7 150
A_ I.IV.
110ß
C
-
Olj
M
l
*110 `' - 52V.
E I
RS
MOV.
).C00IA5
m
Cr,
F !
02 3.3 MEG.
11O L11 1211. 125
R3 .17M
_C11640_
16QI B
470M Co1065
I220
R9 470M
OSCILLOSCOPE CONNES VERTICAL^HI'. TO THIS POINT VERTICAL^O TO CHASSIS
;
T
1 RIt3
R4 I MEG.
400M
VO L.CONTR.
C 25
TL.O.1
C20 .025 RED TI 230n
Ñ
V.C.
I I f 1.72.1.5W R.
90 ER OUTPUT
MAX
3144
UND13TOg7EDI.25..
IDOO
50
IS' C5 1ifC6
SI
H-399- 2-15
2 POS. RANGE SW. VIEWED FROM KNOB
4C35o4 L -PAÑT
AND SHOWN IN ^A' BPOANSDITIO(MNA. x. COW.)
t edC7IO SPOT L7 +e-
Pos. BAND RANGE
1
2
4 540-168OKC. 'll
C 4.7-18.2 MC.
4.5n
TOTAL
M-1000
BOTTOM VIEW OF TIISE SOCKETS. COIL RESISTANCE VALUES LE 5S THAN ONE OHM ARE NOT SHOWN.
VOLTAGES SHOULD HOLD WITHIN
*A 20% WITH RATED SUPPLY. MEASURED WITH CHANALYST OR VOLTOHMYST.
S C11 0.1 SOTTO TERM.
CATHODE CURRENTS
I -125A7 - - - - 11.0 MA.
-- 2- 125 K7 - - - 20.0 MA
.3-12507 - - 4.2 MA. 4-SOL6GT/6 41.5MA. 5 -TOTAL RECT. - 72.7 MA.
-Z tt L',1
MF. C21
30
50 MG.
LLBLK
125GI7
7
2
1
125Q7
7 !
2
125K7 50L6GT/6
2
7
2
- b1
NOTE: On some units 1. C21 and C22 values may be interchanged and RIO
omitted. 2. R5 may be 220M and R18 and C25 omitted.
3. C11 may be .05. 4. On antenna coil, a 56 mml. capacitor may be con-
nected from terminal 2 to ground. This is not necessary on replacement coils. 5. The rotor segments of the range switch may be inverted; however, electrical operation is the same.
52 ON VOL. CONTROL
<LUG 90C4E7 TEFM.(REAR)vEW OF PLUG AND 50CCETS.
!Pop `ER 117 VOLTS AC PC 30M.
R-923087 -5
5
2
)
5""Y34C5-or i605W
NOTE.--The power cord of Models Q10A and Q10A-2 should be uncoiled and kept free of surrounding objects to provide adequate
Schematic Diagram
ventilation. Sharp bends and kinks should be avoided.
IF PEAK 455 KC
Replacement Parts
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES
RC -594C
70367 Capacitor-Mica trimmer, 2-10 mmf. (C7)
39622 Capacitor, 56 mmf. (C4)
39636 Capacitor -Mica, 220 mmf. (CIA, C17)
39643 Capacitor -Mica, 430 mml. (C5A)
70627 Capacitor-Tubular, .005 mfd., 600 volts (C1, C16, C18)
70612 Capacitor -Tubular, .025 mid., 400 volts (CIO, C20)
70615 Capacitor -Tubular, .05 mfd. 400 volts (C23)
70617 Capacitor -Tubular, 0.1 mfd., 400 volts (C11, C24)
70371 Capacitor -Electrolytic, comprising 1 section of 50 mfd., 150
volts; 1 section of 30 mfd., 150 volts; and I section of
20 mfd., 20 volts (C22, C21, C19)
70360 Coil -Antenna coil (LI, L2, L3, L4, LS)
70359Coil-Oscillator coil (L6, L7)
70366 Condenser -Variable tuning condenser (C2, C3, C5, C6)
38406 Control -Volume control and power switch (R4, S2)
32634 Cord-Drive cord (approx. 37 inches long)
70365 16058
Core-Adjustable Grommet -Rubber
core and grommet
stud
for
for oscillator coil mounting speaker,
3
re-
quired (used only on some units)
37068 70364
70368
INPnludatti-ecSa-tDpoeri-eaSdltabntaiuoctkntopslmealteoecutnoctromosipncldieliltcaeatotworritchoilpulleys less dial
36230
71290 30880
PRRueelssliiessyttoo-rrD--13r5i3v0eohocmhomrsd.s,
I
pulley watt (R10) 12 watt (R7)
30152 Resistor -1000 ohms, 1 watt (R9)
30685 Resistor-33,000 ohms, 1/4 watt (MA)
30787 Resistor-47,000 ohms, 1/4 watt (R3).
3252 Resistor-100,000 ohms, 1/ watt (R11)
30649 30649
12928 30992
RRRReeeessssiiiissssttttoooorrrr----24317..0230,0mmm0e0eegggoooohhhhmmmmaaas,,,,
1¡
1,4 1/4. 1/4
watt (A5, watt (RI) watt (R2) watt (R6)
A8)
STOCK No.
DESCRIPTION
7.0369 70363 37605 31418 70358 70361 70362
70370 33726
SSohcakfte-tT-3unipning
knob socket
shaft for power
cable
located
on
rear
apron
Socket -Tube socket. moulded
Spring -Tension spring for drive cord
Switch -Range switch (SI)
Transformer -First I -F transformer (L8, L9, C8, C9)
Transformer -Second I -F transformer (L10. L11, C12, C13,
C14, C15)
Transformer
-Output
transformer
(T1)
Washer -Retaining washer for tuning shaft
70372
SPEAKER ASSEMBLY 92510-2
Speaker -5 -inch PM speaker complete
NOTE: If stamping on speaker in instrument does not agree with above speaker number, order replace_ ment parts by referring to model number of ínstrument, number stamped on speaker and full description of part required.
37362 70374 ., 0375
70373 71023 70376 37831 35121 35123 36722 70414 35126 30900
MISCELLANEOUS ASSEMBLIES
Clamp-Dial clamp (1 set) Cord -Power cord for 110 v. operation -Q10. 010-2 Cord -Power cord (resistance) for 220 v. operation -Q10Á,
Q10A-2
Cover -Back cover less power cord Decal -Trade mark decalcomania Dial -Dial scale Fastener -Push fastener for back cover (1 set) Knob-Range switch knob-Q10, QIOA Knob-Range switch knob-Q10-2, Q10A-2 Knob-Volume control or tuning knob-Ql0 Knob-Volume control or tuning knob-Q10-2 Spring-Retaining spring for range switch knob Spring-Retaining spring for volume control or tuning knob
©John F. Rider
www.americanradiohistory.com
RCA PAGE 15-7
MODELS Q10,Q10A,Ch.RC-594C Early
RCA MFG. CO. MODELS Q10,Q10A,Q102,Q10A-2,
Cathode-Ray Alignment is the preferable method. Connections for the oscilloscope are shown in the schematic drawing.
Output Meter Alignment.-If this method is used, connect the meter across the voice coil, and turn the receiver volume control to maximum.
Ch.RG-594C, Late
Ste p s
Connect high side of
testtoo-sc,
Touscn.ettoes-t
Turn dial
rtaod-io
Adjust fol lowing for
max, output-
Test-Oscillator.-For all alignment operations, connect the low side of the test -oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a -v -c action.
FOR EARLY MODELS
Test-Oscillator.-For all alignment operations, connect the low side of the test -oscillator through a .01 mfd. capacitor to the receiver chassis, and keep the oscillator output low to avoid a-v -c action.
FOR LATE MODELS
Calibration Scale.-The glass tuning dial may be easily removed from the cabinet and mounted above the pointer fir reference during alignment. The extreme left hand mark of the Standard Broadcast scale must be in line with the left hand mark on the dial backing plate.
Dial Backing Plate.-In the event that only the chassis is re-
turned for service, the minks on the dial backing plate may be used during alignment; refer to the Dial Indicator and Drive Mechanism drawing for corresponding frequencies.
Dial Pointer.-With the gang condenser in full mesh the dial pointer should be set to the left hand reference mark on the dial backing plate.
12SIC7 I -F
grid through
1
0.1 mid.
capacitor
Stator of
gang cond.
2
C2 through
0.1 mfd.
455 kc
B. C.; 1800 kc quiet point
L11 -L10
(2nd I-F Trans.)
LB -L8
(1st I -F Trans,)
3
Antenna
lead through
18.2 me
S. W.; gang condenser
CS (osc.)
open
4
300 ohm resistor
15.2 me
S. W.; maximum signal
C3 (ant.)
rock gang
B. C.; 600 kc
5
600 kc
(2nd -mark
L7 (osc.)
from left)
Antenna
6
lead through 200 mmf.
1300 kc
capacitor
B. C.; rock gang at 1300 ket
C7 (ono.)
7
600 kc
B gang at
L7 (one.)
800 kc
1-î-05C.
ei GOO KC
8
Repeat steps 6 and 7
C6 losc.
18.2 MC.
C5
.7® C3 ANT II
15.2 mc
C2
0 OgERMM
®
DUMMY TERM.
C7 -03C. 1300 KC
LB -TOP
L9 -BOTTOM
455 KC.
L tO - TOP
LtI-BOTTOM
455 KC.
t 1300 kc
hand mark
corresponds on the dial
btaockainpgoipnltate1/.2
inch
to
the
left
of
the
right
Do not readjust L10 or L11 when test oscillator is connected to
C2.
Use minimum capacity peak if two peaks can be obtained.
Image signal of lesser a.nplitude should occur at 14.3 mc.
NOTE.-Oscillator tracks above signals on both bands.
ANT. LEAD
t5T. I.F TRANS.
TV12
Tube and Trimmer Locations
Frequency Ranges
Standard Broadcast (`A" Band) Short Wave ("C" Band)
540-1,680 kc (555-178 tn) 4.7-18.2 me (63.8-16.5 m)
intermediate Frequency
455 kc
RCA Tube Complement
(1) RCA-12SA7 (2) RCA,-12SK7 (3) RCA-12SQ7 (4) RCA-50L6GT/G (5) RCA-35Z5GT/G
1st Detector-Oscillator I -F Amplifier
2nd Detector, A,V.C., and A -F Amplifier Power Output Rectifier
Power Supply Ratings (D -C or 40 to 100 cycles A -C)
Q10 Q10A
105-125 volts 210-250 volts
30 watts 60 watts
010, Q10-2 Q10A, Q10A-2
105-125 volts 210-250 volts
30 watts 60 watts
Power Output Rating Undistorted Maximum
1.25 watts 3.1 watts
Loudspeaker (92510-2)
Type
5 -inch Round Permanent -Magnet Dynamic
Voicé Coil impedance
4 ohms at 400 cycles
Tuning Drive Ratio
18 to 1
Dial Indicator and Drive Mechanism
PRECAUTIONARY LEAD DRESS
1. Dress output plate capacitor and output transformer leads down next to chassis.
2. Dress 12SQ7 grid resistor down next to chassis, and away from power ground wire to switch.
3.
Dress lead from 2nd I -F transformer to volume to chassis and away from adjacent parts.
control
down
9. Keep grid end of R1 as short as possible.
5. Keep body of CIA slightly away from chassis.
POWER SUPPLY POLARITY,-For operation on d -c, the power
plug does may
must be inserted in not function, reverse reduce hum.
the the
outlet plug.
for correct On a-c,
polarity. reversal of
If the set the plug
CAUTION.- Repair of the power cord furnished with Model Q10A should not be attempted; apply to your RCA Distributor for a replacement.
F LOUD
F
POWFER-VOLUME CONTROL
5j.wc.
TUNING RANGE CONTROL SWITCH
(ON BACK)
Location of Controls
©John F. Rider
www.americanradiohistory.com
PAGE 15-8 RCA MODEL Qj311,Ch,RC-529A
RCA MFG. CO.
É Q
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©John F. Rider
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www.americanradiohistory.com
RCA PAGE 15-9
RCA MFG. CO.
6SA7
1ST. DET.&05C
3
C16
4
L
C 35 LIej 32
MODEL QB11 MODELS Q22A,Q32
± c15
a
L 14
R4
L13
-
B+ 8+
AVC
R2 C17
C19
-
=
T 6
54
7' FRONT
c5
1C36
C7
GANGED
C 11 1 ,
II
C 33
Nr Mr
LEI L9 io- o--
L12
C4.
BAND -SWITCH SHOWN
_)
AT 1 ST POSITION. BROADCAST BAND
540-1720 KC.
NOT- E:
C35 & R18 ARE OMITTED IN MODEL Q811.
L2
L1 L3
6
' 51 FRONT
6SA7
1ST. DET.&05C
3
C16
d
C15
L14
4
R4
L13
2
52
C35 1C 32
, REAR
51
B+ B+
L6
FRONT
- REAR 52 8 11
AVC
Tc 19
R2 C17
i 54 FRONT
I 106 I C36 C7
C2
=
2
---'_ Cll,
GANGED- -
c 5
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE
-.1-
C 33
C4-
-11r
oí18
-- L9 -,ioii 111Mi0oro-11M1ró 112
- 6o NOTE: C 35 AND Rle
1
ARE OMITTED IN MODEL
MEDIUM WAVE BAND
3.0-9.5 MC
59 5 3 REAR
0811 AND RANGE iS 2.9 - 9.5 MC.
L2
LI
L3
6
6SA7 1ST. DET.&05C
3
1#1"
C15
o( L14
2
4
3
51..
REAR
4
1
L13
C 35 Lr32 tR4I+
FRONT .
1
S2 REAR
O X11
AVC
C19
T C14
R2 C17
54 9i FRONT
ICI T C36 1rC7
10 3- 3
C8
- - GANGED
C1
C10
C11
C
33-/t.
,1Fr
ao-L-8
C4
2 -
AT
BAND -SWITCH SHOWN
3RD POSITION CLOCKWISE
T--01
CS
06
53
31 METER BAND
REAR
9.5-11.7 MC.
IC37
:Fr ,Itf' ,IH'
bo- po-- L9 L10 Li1
112
1
07
NOTE: C35 8, R18 ARE OMITTED
15
IN MODEL QB11 AND RANGE IS
9.5-12 MC.
®John F. Rider
www.americanradiohistory.com
PAGE 15-10 RCA
MCD EL QB 11 MODELS Q22A,Q32
11
dchemalictiff
RCA MFG. CO.
6SA7 1ST. DET.&05C
Pr
Li
52
R EAR
C16
110 011
4
i
C15
135 `r32 R
L14 a
L13
R18
rTCC810
B+ B+
,
AVC
- \ \
C19
T
C17
54
C6
C 36
T I f%C
L6
GANGED
9; oFRONT
Ì 10
4
C12
7
Z
-- C 33
C L8
/
c
11 p ,4fi' L10
,4H' L12
9
lo--
C14
C4_
L5
=
C11
i
C5
ó
NOTE:
C35 $ 121.8 ARE
OMITTED IN
06
ó MODEL 0511 80 AND RANGE IS
L4
BAND -SWITCH SHOWN AT 4TH POSITION CLOCKWISE.
a2
S3 REAR
11.7-15 MC.
SQ
25 METER BAND
63
11.7-15.1 MC.
L1
51 FRONT
S2 REAR
12.11
C9 CI
6SA7
15T. DET.& OSC
C16
5
RI R18
NOTE: C 35 AND R18 ARE OMITTED IN MODEL QB11 AND RANGE IS 15.122 MC.
air a+r'
4
C35
C32
I(10
AVC
TC19
52 REAR
GANGED
L5
C14
L4
C17
I 6
54
oFRONT
11
10
5
C13
C11
Ì C 36
_L_
C 33
/
C4
.4H'
o LB
L 9
.t- 0 07,71-11
L 12
BAND -SWITCH SHOWN AT 5TH POSITION CLOCKWISE
-19-13'METER BAND 15.1-22.5 MC.
Ó
7x- -
3
53
REAR
4
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-11
110DEL QB11
Ch,529A
Cathode-Ray Alignment is the preferable method. Connections for the oscilloscope are shown in the diagram.
Output Meter Alignment.-If this method is used, connect the meter across the voice coll, and turn the receiver volume control to maximum.
Test-Oscillator.-For all alignment operations, connect thiip low side of the test -oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a -v -c action.
Calibration Scale on Indicator -Drive -Cord Drum.-The tuning dial is
fastened in the cabinet and cannot be used for reference during alignment, therefore a calibration scale is attached to the indicator -drive -cord drum which is mounted on the shaft of the gang condenser. The setting of the gang condenser is read on this scale, which is calibrated in degrees.
As the first step in r-f alignment, check the position of the drum. The "180°" mark on the drum scale must be vertical and directly over the center of the gang -condenser shaft when the plates are fully meshed. The drum is held to the shaft by means of two set screws, which must be tightened securely when the drum is in the correct position.
DIAL INDICATOR CORD
SHOWN WITN GANG CONDENSER AT MAS. CAPACITY.
Steps
1
2
Connect the high side of
the tteost--osc.
I -F grid cap, in series with .01 mfd. 1st Det. grid, in series with
.01 mfd.
Tune osc.
ttoes-t-
455 kc
Range switch
A
Turn radio dial
to
Adjust the fol lowing for
i output
L16-L15
2nd I -F
- Quiet
point
transformer
near 180°
L14-L13 1st I -F
transformer
3
11.8 me
138.5°
L11 (osc.)* Cl (ant.)
25M
4
15.2 me
17°
C14 (osc.)***
5
Repeat steps 3 and 4.
Ant. lead
6
in series with 300 ohms
15.2 me
19-156°
13M
L12 (osc)*
7
9.5 me
31M
156°
L10 (osc.)* C2 (ant.)
8
9.5 me
B
11.5°
C7 (osc.)**
9
Ant. lead
1,500 kc
in series with
A
10
200 mml.
600 kc
26° 150°
C4 (osc.)** C3 (ant.) L8 (osc.)* (Rock gang.)
11
Repeat steps 9 and 10.
*If two peaks can be obtained, use the one obtained when the core screw
is farthest out (counter -clockwise).
**Use minimum capacity peak if two can be.obtained. ***Use minimum capacity peak if two can be obtained. Check image to determine that C14 has been adjusted to the correct peak by tuning receiver
to approximately 14.29 me (29°) where a weaker signal should be received.
NOTE: Oscillator tracks above signal on all bands.
Victrola Attachment.
The cable from the Victrola attachment should be terminated with a
Stock No. 31048 plug.
shoWuhldenheVaict trmolianimauttmac,hamned,ntifisneicnesussaer,y,thteunveolsuemt eoffcforenqtruoelnocny
the radio from any
very strong station.
When Victrola attachment is not in use its plug should be disconnected.
Precautionary Lead Dress.
1.
Twist yellow lead lead from terminal
from 27 of
terminal 14 of L8 tò terminal L12 to terminal 5 of S4.
6
of
S3
with
the
2.
All other oscillator coil leads must well as from other leads and parts.
be kept No two
apart from each other leads may be less than
as
inch apart.
3.
The lead from the tap on 19-13 socket should be dressed up and
oscillator coil away from all
to pin number parts as fár as
6 of 6SA7 possible.
4. Condensers C8, C9 and C16 must be as far away from all metal parts
as possible. 5. All leads from the antenna coil to the range switch should be dressed
together.
6.
The green be dressed
lead from pin 4 down against
of 6SA7 socket the chassis and
to pin away
4 of the 6S7 from the I.
socket should F. terminals.
î
AVC 6T7G
by-pass condenser C19 and socket must clear the tuning
the lead from pin flywheel by at least
number 1e inch.
7
of
the
8. The leads to the power switch should be twisted and dressed up and
away from the bias cell.
9.
The bias cell must resistor R8 must go
be to
installed the bias
in the correct polarity. cells metal container.
The lead from
1
51 (FRONT)
S2 (REAR
I
I
54 (FRONT)
,
1
C14 53 (REAR)
O
25M
OSC. COIL
LI L2 L3
25-19-13M ANT. COILS
® fr2®
®
31M O5C COIL
O
c40
C7 L.COILS
A -B OSCLB
SAME II COIL
© /rA-B-3f M
L4 ANT. COI LS LS L7
0 L18
Coil and Band Switch Locations (Bottom' Chassis View)
(BAND SWITCH
nTUNING
c1 118MC.
2)
451 MC.
i1CNsrc_
Cfl
ItEl.i
LIo-9.5MC L12l-I^52 TRANS
)P1 v 16KC
-11.814C
f) POWER -VOLUME
SVWEAKea
VI B. POWER
UNIT
TONE CONTROL
2.
C7 95MC
L8
L*n7-LBeDTTOM
600KC 15o0Kc
456 KC
PHONO. JACK
TVIj
Tube and Trimmer Locations (Top Chassis View)
sttehhcaeeacPhleowpilaianbrlettiyeegsrnfsaomasfotretheernantCftiunfalgriltleyibqaprmuaoepteiinniosetchnscyee,dtoS.oiscftTahgwhelieviere".e-1ncI8motoi0rnpr°etr"thcohteemvissagaeeraltikgntignnaogm-ncpoetoohnnfiedntthetcetneaarsblgeilbfareorn.fragrattiohminened,cseacagalnrilebederaswb,tehifoneondnr
Receiver Dial with Calibration frequency for any setting of the calibration scale drawing.
Seale.-To calibration
determine the corresponding scales, refer to the dial with
aamtttatDaarcckiah,hlm-aItnehndenditcdgatiaoatonlgrtihnAecdodicncjadautebsonltersm.etreonfttuh.-lelAydftrmeivreesfhacesadtbe. lneinTwghietthheinindcdhiciacasatsotiosrrinhaatsthtehaeccal5ipb40infekotc,r
cscthohtaereSetcipokdfrniioenasragl.deo-aBftchaheknndbosawpAnrndeliagfsdrnoe-bmqtauheneadnnt tct.yh-r,Taesnhebgeyessmtaadiotsijsoutnossntsinacagtoicsmtftuaheaecitlnoorrysaectcmieltlhpaeetttiohocronodcrrooeoiflcftsamhlpiaogogrnitnn-iwnetsgtaitvoeoenr-
ntasToeolcfhisgiceItstnhhu-eoertfreaselexcecfqrocyviruleloellaeopirlsnttwoiicwosrriynneilhgaqmlsilugeapmihcrtyrateeoisndtdebehgeunsosci,onduewoussgfhtc:ehhoedtehnntefsootfihrdrteeepeqasrrueltasi-egevbotennlsencmicsytielbinlanersaetitenco,ctcgretbuipnusmrtgeatiaosrcavynyincobeoofeendfxtchstithrnehheeeocmatrketlsee-ospwldtcyr-aeaobavthsiydeoicgn-oihblslnaawtedantheotdoegirorr,rdeenbaeisaost,hltosheaaf.
1. Determine the exact dial settings of the test -oscillator (for fre-
quencies at or close to the beating the test -oscillator frequency.
specified against
alignment frequencies) by zeroshort-wave stations of known
2. Ufcsitrrsasyettsiothacnalhsre.mccaoklniibnicrgsatthooefr,thfroeerqsutbaeynndczayerdros--ebbttreionaagtidsncgaosntagrtaahniingsesrtaonsf gtatehnedbatyerdsmt -eobasroncsailldaoctfoasra,t
cfrrehe-eWqtocuhkueecnsnhhceoyda,ulatsdenosdbttehtoahmset catihdloleeastcoosirlntlaaiattsioocrtneuscmaolcpiolrleommyceeeadpgintnifoeoantritteotshf-pecrsoehcraooedrrrt-f-ebowcartanevdpaeocaihsnltitagsbtnaioomnnndestnhstoe,hf okdaunialfdoli.nwbanel
©John F. Rider
www.americanradiohistory.com
PAGE 15-12 RCA
MODEL QB11
Ch.529A
RCA MFG. CO.
STOCK No.
35640
35639
35622 37976 35642 12714 34654 35646 36012 45465 70582 35644 39622 39632 35645 70586 39628 39634 39636 70667 70687 70644 70627 70652 70615 71010 70619 70618 37250 37867 31581 35632
35631
35624 35625 35626 35623 35619 37833 32634 34662 35788
31259
12006 35627 35638 31580 5119 14404 35641 35630
30734 30151 30492 30685 30180 11988 30648 30161 30652 30162 30649 14350
DESCRIPTION
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES RC 529A
Bracket -Support bracket complete with one (1) drive cord
pulley
Bracket -Support bracket complete with three (3) drive cord
pulleys
Bracket-Support bracket for tuning knob shaft . Bracket -Support bracket for tone control Calibrator -Drive drum calibrator Capacitor -Air trimmer, 2-12 mmf. (C-4, C-7, C-14) Capacitor -Mica trimmer, triple, 2.540 mmf. (C-1, C-2, C-3) Capacitor -Ceramic, 6 mmf. (C-36) Capacitor -Ceramic, 15 mmf. (C-37) Capacitor -Ceramic, 15 mmf. (C-33) Capacitor -Ceramic, 47 mmf. (C-8) Capacitor -Ceramic, 47 mmf. (C-12) Capacitor -Mica, 56 mmf. (C-17) Capacitor -Mica, 56 mmf. (C-20, C-21) Capacitor -Ceramic, 68 mmf. (C-13) Capacitor -Mica, 68 mmf. (C-9) Capacitor -Mica, 100 mmf. (C-15, C -I8, C-29) Capacitor -Mica, 180 mmf. (C-34) Capacitor -Mica, 220 mmf. (C-16) Capacitor -Mica, 560 mmf. (C-5) Capacitor -Mica, 3000 mmf. (C-6) Capacitor -Tubular, .0025 mfd., 1400 volts (C-24) Capacitor -Tubular, .005 mfd., 500 volts (C-25, C-26) Capacitor -Tubular, .01 mfd., 1000 volts (C-23, C-39) Capacitor -Tubular, .05 mfd., 400 volts (C-19, C-27, C-35) Capacitor -Tubular, .07 mfd., 400 volts (C-22) Capacitor -Tubular, 0.5 mfd., 150 volts (C-38) Capacitor -Tubular, 0.25 mfd., 300 volts (C-28)
Capacitor -Electrolytic, 20 mfd., 250 volts (C-32)
Capacitor -Electrolytic, 30 mfd., 250 volts (C-30) Cell -Bias cell Coil -Antenna coil, "A", "B" and 31 meter bands (L-4, L-5, L-6
L-7, L-18)
Coil -Antenna coil, 25 meter and 19-13 meter bands (L-1,
L-2, L-3)
Coil -Oscillator coil, 19-13 meter band (L-12) Coil-Oscillator coil, 25 meter band (L-11)
Coil -Oscillator coil, 31 meter band (L-10) Coil-Oscillator coil, "A" and "B" bands (L-8, L-9) Condenser-Variable tuning condenser (C-10, C-11)
Control -Volume control and power switch (R-6, S-6) Cord -Drive cord (approx. 28" overall length)
- Cord -Indicator cord (approx. 53" overall length)
Core Adjustable core and stud for "A" and "B" band oscillator coil
Core -Adjustable core and stud for 19-13 meter, 25 meter and 31 meter bands oscillator coils
Core -Adjustable core and stud for I.F. transformers
Drum --Drive drum less calibrator Flywheel -Tuning knob shaft flywheel
Holder -Bias cell holder
Plug --3 contact female plug for speaker cable
-7 Plug prong plug for power input cable
Pulley -Drive cord pulley Pulley -Idler pulley, located between tuning knob and range
switch shafts
Resistor-5600 ohms, 10 watt (R-7)
Resistor-- 18,000 ohms, 1 watt (R-4)
Resistor -22,000 ohms, watt (R-5)
Resistor-33,000 ohms, y watt (R-2)
Resistor -120,000 ohms, % watt (R-9)
Resistor-390,000 ohms, y watt (R-13)
j Resistor -470,000 ohms, % watt (R-11)
Resistor-820,000 ohms, watt (R-12)
Resistor-1 megohm, y watt (R-1)
Resistor-1.2 megohm, 64 watt (R-10) Resistor -2.2 megohm, y watt (R-3, R-8)
Screw- 8-32 square head set screw for drive drum
35633 35637 35787 31251 31418 12007
31261
35621 33397 37898 35636 35628 37924 33726
2917
4289 4288 39644 71008 70652 37877 37834 14289 37925 37836 4286 5140 4290 14409 34765 6134 90382 12241 4284 35544 35543 4285
70578 5118
70577
70579 35654 36658 37838 X1611 70580 35652 35651 35650 34489 4982 14270
Shaft-Range indicator shaft Shaft -Tuning knob shaft Socket -Phono-input socket Socket -Tube socket Spring -Indicator cord spring or drive cord spring Spring -Retaining spring for I.F. transformers' core and stud
assemblies
Spring -Retaining spring for oscillator coils core and stud assemblies
Switch -Range switch (S-1, S-2, S-3, S-4) Switch -Tone control switch (S-5) Transformer-Driver transformer (T-1) Transformer-First I.F. transformer (L-13, L -I4, C-15, C-181 Transformer -Second I.F. transformer (L-15, L-16, C-20, C-21) Transformer -Output transformer (T-2)
Washer -"C" washer for idler pulley Washer-"C" washer for tuning knob shaft
VIBRATOR POWER SUPPLY
Body -Fuse connector body Cap -Fuse connector cap Capacitor -Mica, 470 mmf. (C-42, C-44) Capacitor -Paper, .008 mfd., 1200 volts (C-43) Capacitor -Tubular, .01 mfd., 1000 volts (C-40)
Capacitor -Electrolytic, 16 mfd., 350 volts (C-41) Case -Power supply case less cover Clip-Battery clips (1 set) toil -Choke coil (L-21) Cover -Power supply case cover
Ferrule-Fuse connector ferrule and bushing
Fuse -5 ampere
Insulator-Fuse connector insulator
-7 Plug contact female plug for power supply cable
Resistor-100 ohms, !y watt (R-15) Resistor-1200 ohms, t watt (R-14)
Resistor--2200 ohms, 1 watt (R-16) Socket-Vibrator socket Spring -Fuse connector spring Transformer--Vibrator transformer (T-3, C-45, L-22)
Vibrator -Plug-in vibrator Washer --Fuse connector insulating washer
SPEAKER ASSEMBLIES 92519-1
Cone -Cone and voice coil assembly
-3 Plug prong male plug for speaker cable
Speaker -6!'s" P.M. speaker complete with cone and Voice coil
less plug
NOTE: If stamping on speaker in instrument does not agree with above speaker number, order replacement parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS ASSEMBLIES
Decal -Trademark decal Dial -Glass dial scale Extension -Tone control shaft extension Frame --Dial frame assembly less indicator and dial Grille -Cabinet grille cloth for Model QB11 Indicator -Station selector indicator Knob --Range indicator knob Knob -Range switch knob Knob-Tone control knob Knob-Tuning or volume control knob Spring-Retaining spring for range indicator knob Spring -Retaining spring for tone control knob, tuning or
volume control knob, and for range switch knob
©John F. Rider
www.americanradiohistory.com
1
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s('4
O
Zw
RCA MFG. CO.
oq~ap o > ese
RCA PAGE 15-13
MODELS Q22A,Q32, Ch.RC-507
u
a
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pz g4.Q ó
"F F O--arf ieVfr áó
e ONQ;
-. -c- Ñ _
Ñ i.
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brC M
ó
óaór
:
7
F8 °"d° T.o,U«á a2d.T2!i °.q'W-««UGa
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©John F. Rider
1R`
For Clarified schematics see pp. 15-9,-10.
www.americanradiohistory.com
PAGE 15-14 RCA
MODEL; Q22A, x;32, Ch.507
RCA MFG. CO.
Cathode -Ray Alignment is the preferable method. Connections for the oscillograph are shown on the Schematic Circuit Diagram.
Output Meter Alignment.-If this method is used. connect the meter across the voice coil, and, turn the receiver volume control to maximum.
Test-Oscillator.-For all alignment operations, connect the low side of the test-oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a -v-c action.
Calibration Scale on Indicator -Drive -Cord Drum.-The tuning dial is fastened in the cabinet and cannot be used for reference during alignment, therefore a calibration scale is attached to the indicator drive -cord drum which is mounted on the shaft of the gang condenser. The setting of the gang condenser is read on this scale, which is calibrated in degrees. The correct setting of the gang in degrees, for each alignment frequency, is given in the alignment table.
As the first step in r -f alignment, check the position of the drum. The "180°" mark on the drum scale must be vertical, and directly over the center of the gang-condenser shaft when the plates are fully meshed. The drum is held to the shaft by means of two set screws, which must be tightened securely when the drum is in the correct position.
To determine the corresponding frequency for any setting of the calibration scales, refer to the calibration scale drawing which shows the dial with 0-180° calibration scales drawn at top and bottom.
Pointer for Calibration Scale.-Improvise a pointer for the cali-
bration scale by fastening a piece of wire to the gang -condenser
frame, and bend the the calibration scale
wire so that it points to the "180°" when the plates are fully meshed.
mark
on
Dial -Indicator Adjustment. After fastening the chassis in the cabinet, attach the dial indicator to the drive cable with indicator at the 540 kc mark (the first mark on "A" band to the left of "550"), and gang condenser fully meshed. The indicator has a spring clip for attachment to the cable.
sihnSogrptro-ewraadcvh-eBecaskntidantgiAontlhsiegonmfmakrenanoutwd.-nTbhafenredmquoresatnncgsyea,stisbfiysacotaondrjyuascttmiuneagtlhorthedeceopmf taiaoglningento--f
ite -core oscillator coil for each spread -band so that these stations come in at the correct points on the dial.
wetwaixnbhIatalnreveseremeeioxnefsctaltheyactephtcitheuoiniornogantsihecsa,seyltad-eclooegtasnevsrcseeeittllesh-l,oaeiossowcfrs,ihhlpaileacrganescthoautrdareha-nemcbosyalasuineyggtidhhstibsrdeteioeqabrulurepssoiir.enrreedgvdwTesfhinoeilentlrrvrapfiterchlreicoeegqeddnupufmretcieinneoeqcnnuaytec,oonlsfoncbecyssutahittditosnieroeagrttnn--.s of the test-oscillator may be checked by one or both of the following methods:
I. qDzkuenereotonew-rcbmnieeiasfnrteieanqtgtuhoeernthcceeylxo.asteecsttt-odoisatchliellsaestptoterincigafsigeadoifnastlhtigensmhteosertnt--towsfcarivelleqautosetrnact(iiofeonsr)sfbreoy-f
2. maUlagestaoeairnn,hssaftirromssfttoancanihdceacscrrkduoifsnttbaghlre-otcahosdentactranforsdeltlaqerudsdtea-ntboicorsyocnaisld.slaecttaotsirnt, grsoarnognbeytohfizsearrotae-nsbgte-eoasticbnilyg-
When a test oscillator is employed for spread -band alignment,
ftftihoionrenalsecaoccorhhfreecckbktnanposodwhionnusthsldforuoeblnqdeutehbmneecaydrd,eeitaolao.unncdhaectdhtueasolmrtahegcaent pettthiioteen-sctooazftyioshnoossrctc-ilwolmaatveoer
stacoil in at
Frequency Ranges Standard Broadcast ("A" Band) Medium Wave ("B" -Band) "31" Meter Spread Band "25" Meter Spread Band "19.13" Meter Spread Band
Intermediate Frequency
540.1,720 kc (556-174 m) 3.0-9.5 me (100-31.6 m)
9.5-11.7 me (31.6-25.6 m) 11.7-15.1 me (25.6-19.9 m) 15.1.22.5 me (19.9.13.3 m)
455 kc
Tuning Drive Ratio
25 to 1
Power Supply Ratings
Symbol
Voltages
Frequency (cycles)
Watts
Rating A
Rating B Rating C
105-125
50-60
65
105-125
25-60
65
105-125, 200-250
50-60
65
(Shipped in 225.250 volt position)
Victrola Attachment.- -A jack is provided on the rear of chassis
for connection to a tachment should be
Victrola Attachment. The terminated in a Stock No.
cable
31048
from plug.
the
at-
VmstrWiincotinhrmogeulnamstVaistiaicontinnrdo.,lauifseisnetnhcoeetssivanorlyuu,mseteuintsceopnseltrutoglofsfohnofruetlhqdeuberenacdyrieomfrosohvmoedua.lndyWbveheeranyl
Power Output Rating
Undistorted Maximum
3 watts 3.5 watts
Loudspeaker
Model Type (Electrodynamic) V-C Impedance at 400 c.p.s.
92517-1 61/2 inches
3.4 ohms
st.ps
Connect the high side of
the test-ose.
to--
6887 I-F i grid in series
with .01 mid.
Tune ose.
ttoes-t-
Range switch
65A7 1st
455 kc
2 Det grid in
A
series with
.01 mtd.
Adjust the
Turn dial
rtaod-io
following for max. peak
output
Quiet Point near
1100
L15 and LIB 2nd I -F Trans.
L13 and L14 let I -F Trans.
3
11.8 me
136.50
L11 (ose.)`. Cl (ant.)
25 M
4
15.2 me
170
C14 (ose.).
5 Ant. lead Repeat steps 3 and 4
6
In series
with 300 15.2 me 18-13 M
1560
L12 (ose.)
ohms
L10 (osc.)
7
9.5 me 31 M
1560
C2 (ant.)
B
9.5 me
8
11.50 C7 (ose.)
9
1.500 ke
210
Ant. lead
in seriez
A
10
with 200
600 ke
1500
mmi.
11
Repeat steps 9 and 10
C4 (ose.) C9 (ant.) L6 (ose.) (Rock gang)
-
Use minimum capacity peak if two can be image to determine that C14 has been adjusted to by tuning receiver to approximately 14.29 me
obtained. Check t(h2e9°c)orrwehcterpeeaka
weaker signal should be received.
If two peaks can be obtained use the one obtained when the core screw is farthest out (counter -clockwise).
Peak at minimum capacity if two peaks can be obtained.
NOTE: Oscillator tracks above signal on all bands.
ry,-n w,! SWOON
TUNNn
Ploet.e-
- illCONTRO L
uSTOR
AI.OuLwTATSOSM.
Cm
OC
iwTOrT
j- . A LI
ADJ. MJSKC
º? or[ °r,
n11..eL.0.J.../. CS
eY
ITRANI
ONºR
TRANS.
nLUE-.PUT
LACN-ND. VNONO JACK` _
lNASº ,N . OUTPUT OUTPUT
RCCT
JON./EleN AONIO!ZI_P./.=) S NODlLS
Tube and Trimmer Locations
raoNT
TOCIO (GOD)
lacto
O ANT
0 GND.
BRN jildh,.a
L2-Lj
G,ue SSA
IST.OET-
-C17 Taco
OSC.
TWIST
AROUND TEL.LEAD
CMIC] rLiRAID
ERN
BLUE
K
L
W 3
L!
ÓI
11
ITIIp L12
C44
, ^ L9
tep L'/("
I A-111( 33;
9 YELLOW
Let
Le. TAO
l'
0 C
R.F.W:R,NG DIAGRAM (DOT1OM VIEW)
AaLMs
p-92010
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-15
MODELS Q22A, Q32 ChoRC-507
Replacement Parts
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES
RC -507
35640
35639
35622 37976 35642 12714 33014
Bracket --Drive cord pulley bracket complete with one (1)
pulley
Bracket-Drive cord pulley bracket complete with three (3)
pulleys
Bracket-Flywheel support bracket
Bracket-Tone control support bracket
Calibrator-Drive drum calibrator
Capacitor-Air trimmer (2-12 mmf.) (C4, C7, C14)
Capacitor-Electrolytic, 10 mid., 450 volts, and
consisting of three one (1) section of 20
(3) sections of mfd., 25 volts
34654
35646 36012 45465 70582 35644 39622
.*:;632 70586 35645 39628 39636 70667
70687 70601
70624 70627
70648 70610 70631 70614 70615 70636
356.31
(C29, C30, C31, C32)
Capacitor-Mica trimmer, triple, 2.5-10 mmf. (C1, C2, C3)
Capacitor-Ceramic, 6 mmf. (C36)
Capacitor-Ceramic, 15 mmf. (C37)
Capacitor-Ceramic, 15 mmf. (C33)
Capacitor-Ceramic, 47 mmf. (C8)
Capacitor-Ceramic, 47 mmf. (C12)
Capacitor-Mica, 56 mmf. (C17)
Capacitor-Mica, 56 mmf. (C20, C21)
Capacitor-Mica, 68 mmf. (C9)
Capacitor-Ceramic, 68 mmf. (C13)
Capacitor-Mica, 100 mmf. (C15, C18, C34)
Capacitor-Mica, 220 mmf. (C16, C38)
Capacitor-Mica, 560 mmf. (C5)
Capacitor-Mica, 3000 mmf. (C6)
Capacitor-Tubular, .002 mfd., 200 volts (C23)
Capacitor-Tubular, .003 mfd., 600 volts (C25)
Capacitor-Tubular, .005 mfd., 600 volts (C24)
Capacitor-Tubular, .005 mfd., 1000 volts (C26, C27)
Capacitor-Tubular, .01 mfd., 200 volts (C39)
Capacitor-Tubular, .01 mfd., 600 volts (C28)
Capacitor-Tubular, .035 mid., 200 volts (C22)
Capacitor-Tubular, .05 mfd., 200 volts (C19)
Capacitor-Tubular, Coil-Antenna coil,
.05 mfd., 600 volts (C35) 19-13 meter and 25 meter bands
(LI,
35632
L2, L3)
Coil-Antenna
coil,
"A,"
"B"
and
31
meter
bands
(L4,
L5.
35623 35624 35625 35626 35619 35629 35620 32634 34662 12006
35788
31259
35627 35638 5040 35641 35630
34761 30735
L6, L7, L18)
Coil-Oscillator coil, "A" and "B" bands (L8, L9)
Coil-Oscillator coil, 19-13 meter band (L12)
Coil-Oscillator coil, 25 meter band (L11)
Coil-Oscillator coil, 31 meter band (L:0)
Condenser-Variable tuning condenser (C10, C11)
Control-Tone control (R9)
Control-Volume control and power switch (R6, S6)
Cord-Drive cord (approx. 28 inches overall length)
Cord-Indicator cord (approx. 53 inches overall length)
Core-Adjustable core and stud assemblies for I-F trans-
formers
Core-Adjustable core and stud for "A" and "B" band os-
cillator coil
-
Core-Adjustable core and stud for 19-13 meter, 25 meter
and 31 meter oscillator coil
Drum-Drive drum less calibrator
FPllyugw-h4eecl-oTntuancitnfgemkanloeb
shaft flywheel plug for speaker
cable
Pulley-Drive cord pulley
Pulley-Idler pulley located between the range switch and
Retsuisntionrg-1k0nobohmshsa,fts1/4 watt (R18)
Resistor-560 ohms, 1 watt (R15)
STOCK
DESCRIPTION
30436 35595 30492 30685 30180 30493 14983 30648 30652 30649 30992 14350 35633 35637 31364 14278 31251 31418 12007
31261
35621 32827 35636 35628 32852
35588
33726 2917
Resistor -1.2,000 ohms, 1/4 watt (R7)
Resistor -15,000 ohms, 3 watt (R4)
Resistor -22,000 ohms, 1/4 watt (R5)
Resistor -33,000 ohms, 1/4 watt (R2)
Resistor -120,000 ohms, 1/4 watt (R13)
Resistor -150,000 ohms, 1/2 watt (R14)
Resistor -330,000 ohms, 1/4 watt (R12)
-1 Resistor -470,000 ohms, 1/2 watt (R11, Rl )
Resistor Resistor
-2.2memgeoghomh,ms1,/4
watt (R1) 1/4 watt (R3)
Resistor -10 megohms, 1/4 watt (R10)
Screw-í8-32 square head set screw for
drive
drum
Shaft-Range switch indicator knob shaft
Shaft-Tuning knob shaft
Socket-Lamp socket
Socket-Phono input socket
Socket-Tube socket
Spring-Drive cord or indicator cord spring. Spring-Retaining spring for I -F transformers'
core
and
stud assemblies Spring-Retaining
spring for oscillator
coils'
core and stud
assemblies
Switch-Range switch (S1, 52, S3, S4)
Switch-Voltage switch (S5)
Transformer-First I -F transformer (L13, L14, C15, C18)
Transformer-Second I -F transformer (L15, L16, C20, C2l) Transformer --Power transformer, 105-125 volts, 50/60 cycle
or 105-125/200-250 volts, 50/60 cycle (T1)
Transformer-Power transformer, 105-125 volts, 25/60 cycle
(T1)
Washer-"C" washer for idler pulley Washer-"C" washer for tuning knob shaft
70578 5118 70583
70584
SPEAKER ASSEMBLY
STAMPED 92517-1I
CPlounge--4C-opnroengandmavteoicpelucgoilfoarsssepmeabklyer
Speaker -61/4 -inch E.M. speaker complete
with
cone
and
voice coil less plug and output transformer
Transformer-Output transformer (T2)
Note: If stamping on speaker in instrument does not
agree with above speaker number, order replace -
ment parts by referring to model number of in-
strument, number stamped on speaker and full de -
scription of part required.
35649 71038 70579 35654 36658 35647 70581 X1611 70580 35652 35651 35650 34489 11891 14270
4982
MISCELLANEOUS ASSEMBLIES
Back-Cabinet back for Q22A Back-Cabinet back for Q32 Decal-Trade mark decal Dial-Glass dial scale Extension-Tone control shaft extension for Q32 Frame-Dial frame complete less indicator Grille-Grille cloth for Q22A Grille-Grille cloth for Q32 Indicator-Station selector indicator Knob-Range indicator knob Knob-Range switch knob Knob-Tone control knob Knob-Tuning or volume control knob Lamp-Dial lamp (Mazda No. 44) Spring-Retaining spring for tone control, volume control,
range switch and tuning knobs Spring-Retaining spring for range indicator knob
BLACK SPEAKER PLUG
YELLOW
=BROW
RED
w ó FIELD
V
GREEN-
LABLE SOCKET
/
BLACK
0- BLACK
MS -1
}TO OUTPUT PLATES
7 P BRN-BLK-TO OUTPUT SCREENS BROWN -RECTIFIER FILAMENT
Connections and Colors of Loudspeaker and Cable
Dial -Indicator and Drive Mechanism
®John F. Rider
www.americanradiohistory.com
AGE 15-16 RCA MODELS 55U, 55ÁU,
Ch. RC -1017
RCA MFG. CO.
12SA7
CONVERTER
1251(7
I.F. AMPLIFIER
125Q7
SOLE -GT
20S DET.-AVG-AUDIO OUTPUT
-- PRI
1.2
RZ 22K
S40KC
-8.7V.
r{C17
C16
1600KC
72-17 "12-464 -9.91
455KC 111.1. F TRANS.
Cao
Cal
no
110
ILln6
L7 11n
J
O
L
C19
m 2-n
cis 1C24 R -I34- 5.6
NOKATES COMMON -b WIRING
CHASSIS GROUND
O
OSC. COIL TERMINAL DETAIL
O
PICKUP
PHONO INPUT
MOTOR
POWER SUPPLY
11714.
87 2 7 7 27 2 12507 125A7 12SK7 SOLL
120V.
35Z5 -GT G
RECTIFI ER
5EE SINOTE
8.4
--3_$---, Q 455 KC 2nQ 1. F. TRANS. )-
1
EC12232
L9 1371
1C56 51
R4 3.3 EG R10 -VOL. CONTROL 0.5 MEG. STOP AT 50 K.
1IC82105
R6 5.6 MEG
CB .02 MF.
R7
S.9v
150
1 C10 .025 MF.
BLUE
RB 470K CII
.005
R5 220K.
-.0C092 MF.
4 sV.
PRI
200má
RED 911
R9 1200
ROWNr
VOLTAGES SHOULD HOLD
WITHIN* 20% WITH 117V.
RATED SUPPLY VOLTAGE
*MEASURED WITH CINNALYST OR VOLTDHMHST
RED DOT
1 C12
50
L-t
MF.
ALL VOLTAGES ARE MEASURED WITH RESPECT
TO COMMON -B.
K=1000
SWITCH SHOWN IN EXTREME CLOCKWISE (OFF) POSITION AND VIEWED FROM FRONT OF CHASSIS. SWITCH POSITIONS I. OFF 2. RADIO LOW 3.50010 HIGH 4 PHONO LOW 5 PHONO HIGH
GREEN DoT C6
CI4
.O5 Mi. II
I S
ODIAL LAMP MAZDAB51
CAUTION. --CLOSE TUNING CONDENSER PLATES COMPLETELY (C -C -W) BEFORE REMOVING CHASSIS FROM CABINET. Take off both wooden strips on bottunl of cabinet by removing wood
- screws before loosening chassis bolts.
CRITICAL LEAD DRESS.
1. All filament wires should be dressed close to chassis. 2. Dress lead from switch to phono jack close to chassis and away front
power cord.
3. Dress capacitor between I 2SQ7 grid and terminal board away from chassis and away from other parts.
4. Dress all exposed leads away from each other and away from chassis to prevent short circuits.
5. In instru nient assembly the lead from the rear section of gang to loop shall he dressed away from chassis and other wires to loop.
C7
- E.
ee
JUMPER'
ER NOTE,- LHy LF TRANS. CONNECTIONS ON MODELS
USING 92224 é TRANSFORMER
Test Oscillator.-Connect high
Connect low output signal
side as
through a .01 low as possible
mf to
side of test oscillator capacitor to common avoid a.v.c. action.
as-sBho"w.n
in chart. Keep the
Output Meter. control clockwise
-Connect meter across
to radio maximum high
speaker von., position (3)
coil. Turn volume for alignment.
Connect the high Tune
Steps ossicdiellaotof rtetaot--
testot--o-sc.
-Turn
Adjust the follow-
radio dial ing for max. peak
to
output
I.F. grid, in
L8 and L9
series with
2nd I.F.
.01 mid.
Quiet point transformer
455 kc
4,600 kc
1st Det- grid
end of dial
L6 and L7
2
in series with
Ist I.F.
.0l mfd.
transforme.
NOTE.-ANTENNA LOOP MUST BE IN CABINET
Antenna terminal
3
in series with
1600 kc
220 mmfd.
Gang at minimum
C19 (osc.)
4
Radiated signal 1300 kc
Signal Frequency
Cil (ant.)
5
Repeat steps 3 and 4.
Dial Pointer Adjustment.- Rotate tuning condenser fully counter -,lockwise plates (fully meshed). Adjust indicator pointer to left (max. cap.) mark on dial back plate.
OUTPUT TUBE
OUTPUT TRANS.
REGT TUBE
+e
FIELD COIL
30 L-J
MF'p, 1
WITH EM SPEAKERS VOLTAGES ARE 5LI(,HTLY LOWER CONNECTIONS FOR ELECTRO- MAGNETIC
SPEAKER
FREQUENCY RANGE
540-1,600 kc
INTERMEDIATE FREQUENCY
-
455 kc
PIISVER SUPPLY RATING
105-125 volts, AC, 60 cycles
1M PORTA NT. -Do not plug chassis into a d.c power supply.
60 watts
©John F. Rider
For parts list see p. 15-24. Record Changera RCA Model 960016
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-17 MODEL Q34,Ch.RC-539E
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ti
...
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v 22
g
c«a
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"-if
om?.9mu
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y q `óm' u.ó.-5Yt6lóm_y,ótOlO>,a.yÓWmá°ÿQAá
^tl Q7,-i 94N-TI.hDu ama2
AY.w.«t'SlÓVbgaqQ I q
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PC
é0b°....443ä
.z ytlpú ...,
.°yS°Çú. 6«drooó
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'°' 9á
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rd...
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11v yo
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yWmpmy .LaU.:.:ma.idÓ..
.y
P1
!! el .Á
©John F. Rider
www.americanradiohistory.com
PAGE 15-18 RCA
MODEL Q34
VG/aided
cs I/
RCA MFG. CO.
LI. (PR I.)
1 5 52 REAR
2
3
C6
AVC
C30
L26 (PRI)
ICl8
C52
-C25
R20
C26
s+
L18
16 C19
L17
56 10 REA
35 FRONT,,
6 lCl
L19
C22
T C24
B+
1ST. DET.-OSC.
6SA7
L21
4
L
GANGED
BAND -SWITCH SHOWN AT 1 ST POSITION. BROADCAST BAND
540 - 1720 KC.
C49
ÏC7 .l 34
'- Cii
C13
C9 T C10
J._
41r,1
O
7.--"C
9 LB
Ip
b IO
Jl
L10 L11 L12
L1
C30
(PRI.)
12 51
FRONT
R.F. ß5K7 g
1ST DET -0SC
B+
6SA 7
52RE-AR°
C17
55 FRONT
3
12 5
C2
R1 C6
-- Is 118 C52
L16
C19
=
C25
I
C22
L4
C50
AVC
-7--
R20
/T- L17 C26 i
(
C49
L7
C3
B+ GANGED
3 L18
1 15+
7
T S4 FR6O- NOT IICB--..0
C13
= C9
BAND-SWITCH SHOWN
AT 2ND POSITION CLOCKWISE .
MEDIUM WAVE BAND
3.0 - 9.5 MC.
53 REAR
5I 6
L9 L10 L11 L12
©John F. Rider
www.americanradiohistory.com
lcllsematicá.
RCA MFG. CO.
RCA PAGE 15-19
MODEL Q34
LS
(PRI.)
12 51 FRONT
¢52 REAóR
C17
6
3
L5
51
FRONT
CZ
C5
L7
C3
IC6
AVG.
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE .
31 METER BAND
9.5 -11.7 MC.
4-o 52 REAR
8
4 5
L2
C5
LI L3
CG
-
2
51
RONT
9
Cl L
C17 R
AVC
GANGED
R. F.
65K7
6
C18
BAND -SWITCH SHOWN AT 4TH POSITION CLOCKWISE.
25 METER BAND
11.7-15.1 MC.
C30
L26 (PRI.)
55 FRONT
151 DET.-OSC.
65A7
C
8
g+ L21
1
1552
R2o
C25
C26
g
C19
9 10
C23
L16 C22
,
56
r,3 C.¢ REAR
s
R2 R3
AVC
Ta9
5+ GANGED-__
55 1742
54
FRONT
FRONT
I
-
SOo- if- 6 3
C15
I C13
27
r Ir 11r
-
'
s3
REAR
5 7
L10 L11 L12
C52 L26 Rio
B+
L18
1ST DET. - 0SC.
63A7
55 FRONT
C29
19 10I
L14
R2
C23
3
C2OT
AVC
C22
L15
riT=
C4
54 FRONT
C6
I i
1 56 REAR
C16
10 6
4
C15
Li1
8
G 19
/ C13
s53 REAR
[4:5)-- ES
5+
IN' r-
C lo
0
io
L21
+
L12
52 REAR
6o
C17 II
L2
R1
LI.
TC4
Cl
C6
AVC
R. F.
65K7
e
T C18
RCN'
GANGED
BAND -SWITCH SHOWN AT 5TH POSITION CLOCKWISE .
19 - 13 METER BAND
15.1 -22.5 MC..
26 C52 L a R20
B+
L14
1ST. DET. -05C.
6SA7
55 QQFFRRONNTT--I C29
2
I11 10 I
C2E1C21
-
1.30: TL2r
Ì L21
C22
AVC
S 55 --FRONT
1 I-$-5:ó
9 REAR
C49 54 FRONT
6 -2i1 o-10-C'j
C14 C15
T C33
112
53 49
REAR05
©John F. Rider
www.americanradiohistory.com
PAGE 15-20 RCA MODEL Q34,Ch.539E
RCA MFG. CO.
forCaththeodoesc-RillaoygrAaplihgnmareentshioswtnheinprtehfeercahbalessims edthraowd.ingC. onnections tmo eOmteuartxpiaumctruomMs.setetrheAvloigicnemecnoti.l,--Iafndthtius rnmeththeodreciesivuersedv,olucomneneccotnttrhoel
Connect the
Steps
high aide of the test-osc.
Tune cac.
tteos-t-
to-
Range Switch
Adjust the
TuDrinalRtaod-io
following for max. peak
output
6SK7 I-F
1 grid in series with .01 mfd.
L23 -L22
2nd I -F Quiet point transformer
455 kc "A" band 600 kc end
6SA7 1st det. 2 grid in series
.01 mid.
of dial
L21 -L20
let ITwith transformer
3
Antenna terminal in series with
11.8 me
25 meter band
11.8 me (41.50)
L11 (osc.) CI (ant.) C20 (det.)
4
300 ohms 15.2 me
15.2 me C15 (ose.)'*
(161.7°)
Rock in
5 Repeat steps 3 and 4 until aligned.
f
15.2 me 19-13 meter 15.2 me L12 (osc.)'
band
(240)
7
Antenna terminal in series with
300 ohms
9.5 me 31 meter band
Ll0 (osc.)"
9.5 me
C2 (ant.)
(23.8.) C25 (det.)"'
8
9.5 me "B" band 9.5 me CIO (ose.)'
(168.5.)
9
Antenna 1,500 kc
terminal in
1,500 kc (153.)
series with
"A" band
200 mmfd.
10
600 kc
600 kc
(30.50)
11 Repeat steps 9 and 10
C12 (ose.) C3 (ant.) C24 (det.) L8 (ose.) Rock in
Use minimum capacity peak if two can be obtained.
"' core
If two screw
peaks can is farthest
be obtained, use the one out (counter-clockwise).
obtained
when
the
Use maximum capacity peak if two peaks can be obtained.
t Check image to determine rect peak by tuning receiver where a weaker signal should
that C15 has been to approximately be received.
adjusted 14.29 me
to cor(147°)
NOTE: Oscillator tracks above signals on all bands.
Test-Oscillator.-For all side of the test -oscillator cillator output as low as
alignment operations, to the receiver chassis, possible to avoid a -v -c
connect and keep action.
the the
low os-
oiatshflieCgftaahnilsemnitbdeerginnacaettand,itoogntrihn-cedSortrcheinvaefdeloeer-cnceaoosbenradirn.Icendatdrluiiabcmnaradtotwiroc-hanDincrnihsvocetai-slCeboemridsouusDaendttrteaudfcmohro.e-nrdTehfttehoereettnhufcrenoeinnrtdgeuasrrdhiianaofglft
MmscitcoererAserschewhshcoeastutdn,hl.idepswmofcshiToiritscrhidtroheernass.mtpwdeorpuiunnsmdtginbterowis-fhttiheaghnalheitgltdenstnhmheetoodewngttsn,haeneccinguhresetchchlkayoefnttwdDheheibaneylspneoIrmnstihdteiepiaoclnnaadsttreouosrfmofatahnirsetdewdionDrfuurtismlhvleyeet,
bfthrraeaPmtoiceoina,ntleibarsnrcadaftolireobneCbnyasdlciabftlarhesaettewionwhniinerngeScatshaoelep.itp-ehIlcaamettepsoirtfoapvwroeiisirneeftuslatloytoptomhteihneestgehrae"n0dgf°.o"r
the calicondenser
mark on
The setting of is calibrated in grees, for each table.
the gang degrees. alignment
condenser is read on this scale, which
The correct frequency,
setting of the gang in deis given in the alignment
stopRotnhedeceinidvgrearwfreiDnqigua.lenwcyithforCaalnibyrastieottningScofaleth.-eTcoalidbertaetriomninescathlees,
correrefer
nisinnehgtSoitarpettor--erwctahoadcervhe-eBecocoaksnsrcirtdneailcgtlitAaottnolhpisrgeoniconsmoftpislereknfoanotnd.or-wT-etbhhnaaecenhdfdrmiebarqoalasu.nntegdnsecassytoi,sifstabhcyoatntoratyahdcejtmusuesaetltishntogardeticotehnopefstiaocmlnoigmangoe--f qbtsqdbiuuhouuoetIotncennhrencatcw-yneocwyfxhoaceenstvsexrheseeeptteitrtdttiei'inestofmnhtrgonageaelsatslbliolyolnweonoocffiishansi,isetnggthehahaseelmc,ecvetdtuwteeeteerhsslhasgttote-cr-dio-noeyssoses:cschcitoilhliionlllgeafalhattototashorrceeertcn, muomsiruapsaaasgyrycebhyaeabdbitneeoi-sgsblapucirgnhessrheeedqetvrdcuvekidirneecfiertdaoerdrlodsrr.ebianicynlweiTgptiaohlnhtlineemoelonpeffcrnrroaoeeot-r---f,
1. bqoDyfueektznenercromiowei-snnbeeaafttrthieneqogrueexcnthalcoceyst.etdesitoat l-otshsecetitlilsnaptgoesrcifoaifegdathineaslttiegssnthm-ooerstnc-itwllaaftvroeerqus(etfaonrtcioiferness-)
2.
smcUtiaelsnlaeandtsaoh-rrad,romffibrosrnatoiaccdhscceryacosskf ttiantlhgsetacttaihsoletinabsnfr.rdaetaqorurd,e-nbcoryroasbdeyctatisnzt gersroa-nobgneeatthioinsfg
a test-osrange by
against
tffaioiotnrWnatslehhaeceochnfcheocarkkbrneatoecnstswdhtonpouosslihfdncroitelusbqllaeudoteonmnrbctaeyihsd,eereedfmtoiionanpudll.coahcytehteudedalfmsoorraegctshenpaperttteiiotatenhd-e-cbooafrsentsadhtoioosarnclti-siglwlnaacmtovomeernetsc,toaia-l
CI -ANT. C2 -AMT. CS -ANT
11.8MC9.5MC.
iiPi..
CCC
To R29
TONE CONTROL
IIDILS
'®
C20-DET 11.8 MC
C25 -Da. 9.5 MC
C12-OSc.
1500 KC.
-
Le-OSC. 600 KC.
-COIL!
r 2ND.I.F. TR.WS. ( 1 ru-soT. L20 -T11 ei.. 1J455KC. 455 KCT
L05C.
I
TI
1r C24- DET.,,$)
1500 KC.
.
Á
ANTE4NAGROOND TERM.BOARD
V
15M
W.U.J
L10-05C. 9.5 MC. CIO- 05C 9.5 MC.
LII-OSC. C15 -05C. 11.8 MC. 15.2 MC.
REAR APRON
.J^ CóáDR]] 1 1
140,40
RAD.
110 V. OUTLET FOR VIRNO MOTOR
TVIOA
©John F. Rider
Dio R.F. 900111G 0,
NI (ROTTOM VIEW)
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-21 MODEL Q34,Ch,539E
STOoCK
DESCRIPTION
ASSEMBLIES
(RC 539E)
34502 Arm-Range switch actuating arm 37053 Board-"Antenna-Ground" board 39857 Bracket-L.H. bracket complete with drive cord pulley 39856 Bracket-R.H. bracket complete with drive cord pulley 37082 Calibrator-Drive drum calibrator 33014 Capacitor-Electrolytic, comprising three (3) sections of
10 mid., 450 volts, and 1 section of 20 mid., 25 volts (C47,
C48, C52, C53)
97059 Capacitor-Mica trimmer, triple 2.5-10 mmf. (C1, C2, C3,
C20, C24, C25)
33097 Capacitor-Ceramic, 4.7 mmf. (C27) 12714 Capacitor-Air trimmer, 2-12 mmf. (C10, C12, C15) 35646 Capacitor-Ceramic, 6 mmf. (C9) 39604 Capacitor-Mica, 10 mmf. (C19) 39041 Capacitor-Ceramic, 18 most. (C11) 35644 Capacitor-Ceramic, 47 mint. (C18) 70582 Capacitor-Ceramic, 47 mmf. (C5, C23) 39622 Capacitor-Mica. 56 mmf. (C49, C50) 36072 Capacitor-Mica, 66 mmf. (C4, C21) 35645 Capacitor-Ceramic, 88 mmf. (C14) 39628 Capacitor-Mica, 100 mmf. (C30, C31) 99630 Capacitor-Mica, 120 mmf. (C33, C34) 39636 Capacitor-Mica, 220 mmf. (C17, C28, C29, C35, C42) 39628 Capacitor-Mica, 560 mmf. (C7) 70687 Capacitor-Mica, 3000 mmf. (C8) 70648 Capacitor-Tubular, .005 mid., 1000 volts (C44, C45) 70606 Capacitor --Tubular, .005 mid., 200 volts (C38) 70627 Capacitor-Tubular, .005 mfd., 800 volts (C40) 70810 Capacitor-Tubular, .01 aid., 200 volts (C37) 70631 Capacitor-Tubular, .01 mfd., 600 volts (C43. C46) 70612 Capacitor-Tubular, .025 mid., 200 volts (C39) 70615 Capacitor-Tubular, .05 mid., 200 volts (C28) 70638 Capacitor-Tubular, .1 mid., 800 volts :CI8, C32) 37055 Coil-Antenna coil, A, B and 31 meter band (1.4, L5, 1.7,
L13)
37056 Coil-Antenna coil, 19-13 meter and 23 meter bands (LI,
L2. 1.3)
37057 Coil-R-F coil, A, B and 31 meter bands (1.16, L17, L18,
1.19)
37058 Coil-R-F coil, 19-13 meter and 25 meter bands (L14, L15,
L28)
35624 Coil-Oscillator coil, 19.13 meter (1.12) 35825 Coil-Oscillator coil, 25 meter band (L11) 35626 Coil-Oscillator coil, 31 meter band (LIO)
Coil-Oscillator coil, A & B band (L8, L9) 37151 Condenser-Variable tuning condenser (C6, C13, C22)
38109 Control-Tone control (R29) 37087 Control-Volume control and power switch (R9, S8) 32834 Cord-Drive cord (approx. 41 inches overall length) 32634 Crrd-Indicator cord (approx. 42 inches overall length) 35788 Core-Adjustable core and stud for A á B band oscillator
coil
12006 Core-Adjustable core and stud for I-F transformers 31259 Core-$d)ustable core and stud for 19-13 meter, 25 meter
and 31 meter band oscillator coils 37090 Drum-Drive drum 37094 Link-Link, arm and bushing assembly
-5 5040 Plug contact female plug for speaker cable
35641 Pulley-Drive cord pulley 36637 Receptacle-A-C power receptacle 30735 Resistor -560 ohms, 1 watt (R24) 30436 Resistor-12,000 ohms, 1/4 watt (RIO) 35595 Resistor-15,000 ohms, 3 watt (R20) 30492 Resistor -22,000 ohms, 1/4 watt (R7) 30685 Resistor -33,000 ohms, 1/4 watt (R3) 30650 Resistor-56.000 ohms, 1/2 watt (R21) 13734 Resistor -120,000 ohms, 1/4 watt (R26) 30493 Resistor-150,000 ohms, 1/z watt (R27)
.9e084.
- NEUT.COIL
VOICE COIL -
CABLE SOCKET (FRONT VEW)
Ms -IA
BLACK
It Oj BLACK
r7-TO OUTPUT PLATES'
-7O I. 0- . K -95B
OUTPUT SCREENS
BROWN -RECTIFIER FILAMENT
Loudspeaker Connections
STOCK N
DESCRIPTION
30651 Resistor-270,000 ohms, 1/4 watt (R8)
14983 Resistor -330,000 ohms, 1/4 watt (R25)
30648 30652 30649 30992
-1 Resistor-470,000 ohms, 1/z watt (R11, R23)
Resistor megohm, 1/4 watt (RI, 112, R4)
Resistor-2.2 megohms, 1/4 watt (R5) Resistor-10 megohms, 1/4 watt (R12)
14350 Screw-Y8-32 square head set screw for Arm 234502 and link 237094
4669 Screw -28-32 square head set screw for drive drum
37096 Shaft-Range indicator knob shaft
37095 Shaft-Range switch actuating shaft
37091 Shaft-Tuning knob shaft and flywheel
31364 Socket-Dial lamp socket
35787 Socket-Phono input socket
31251 Socket-Tube socket
34864 Socket-Tuning indicator tube socket
70576 Spring-Drive cord spring
31418 Spring-Indicator cord spring
12007 Spring-Retaining spring for I-F transformers' core and stud assemblies
31261 Spring-Retaining spring for 19-13 meter band and oscillator coil core and stud assemblies
33491 Switch-Radio-phone switch (S7)
37050 Switch-Range switch (Si. S2. S3, S4, SS, S8)
35636 Transformer-First I-F transformer (1.20, L21, C30, C31)
36615 Transformer-Second I -F transformer (1.22, L23, C33, C34
C35)
31733 Transformer-Power transformer, 105-125 volts, 50/60 cycle
(Ti)
31734 Transformer-Power transformer, 105-125 volts, 25/60 cycle
(T1)
31735 Transformer-Power transformer, 105/130, 140/160, 200/250 volts, 50/60 cycle (TI)
34373 Washer-"C" washer for range switch actuating arm
2917 Washer-"C" washer for tuning knob shaft
-
SPEAKER ASSEMBLY Stamped 92562-1I
70972 Cone-Cone and voice coil assembly
5039 Plug-4 prong male plug for speaker cable 70971 Speaker-7" x 9" EM speaker complete with cone and
voice coil less output transformer and plug 70973 Transformer-Output transformer (T2)
NOTE:
If stamping on speaker in instrument does not agree with above speaker number, order replacement37093 parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS ASSEMBLIES
70589 Back-Cabinet back
70591 Board-Baffle board and grille cloth
70580 Bracket-Lamp bracket
30718 Clip-Tuning tube clip
39967 Crystal-Protective crystal for tuning tube
70579 Decal-Trade mark decal
39916 Dial-Class dial scale
37922 Indicator-Station selector indicator
35652 Knob-Range indicator knob
35651 Knob-Range switch knob
35650 Knob-Tone control knob
34489 Knob-Volume control or tuning knob
11891 Lamp-Dial lamp
39859 Rail-Pointer rail
,
36641 Retainer-Retainer for tuning tube crystal
33438 Screw-Thumb screw for tube clip
14270 Spring-Retaining spring for tone control knob, volume control or tuning knob and for range switch knob
4982 Spring-Retaining spring for range indicator knob
Frequency Ranges
Standard Broadcast ("A" Band) Medium Wave ("B" Band) 31 Meter Spread Band 25 Meter Spread Band 19-13 Meter Spread Band
540-1,720 kc (556.174 m) 3.0-9.5 me (100-31.6 in) 9.5-11.7 me (31.6-25.6 m) 11.7-15.1 me (25.6-19.9 m) 15.1-22.5 me (19.9-13.3 m)
Intermediate Frequency Power Output
Undistorted Maximum
Loudspeaker
Type V.C. Impedance Identification Number
455 kc
3.25 watts 4.5 watts
'
7" x 9" electrodynamic 2.2 ohms at 400 cycles
92562.1J
©John F. Rider
www.americanradiohistory.com
PAGE 15-22 RCA
MmEL3 54B1,54B1-t:, 54B2, 54B3, Ch.RC-589
RCA MFG. CO.
BOTTOM VIEW OP TUBE SOCKETS
1 R.5 1ST. DET. & OSC.
1T4
155
354
I.E.
2ND. DET.,A.F.&AV.C.
OUTPUT
LOOP
+60v,
+60V.
LI
CI
3.6 It 2741
02 2-t5
u
3 IST. I.F z
- Q TRANS. W
2
w
2ND. I.F.
m TRANS
r
GRN
+20 V.
)E
452V.
- 6V. 600 KC.) -7V. (1500KC.)
RI
100 Kr
c546
1
f
GREEN
C8 TJLÉ
C9
LE L6
?On 20n
O w
m
a
I0C10
R2
= 15 K
c12
L L
O
39n3Lf93 n-B' LK
á21
RE
68 K
RG
VOCLOTNR
R4
10 MEG.
.C01042
C.01092 >
íO9
R7
+
R8
1 MEG.
4.2 MEG.
I.oC215
na
RED
Power Supply
I - C7
R3
3.3MEG.
33
I 017 10 MFD.
3R.a3o
MEG
Current
Approximate Life
Type Battery
Consumption (Intermittent Duty)
"A"-1.5 volt
ACA -VS 036 or VS 001 "B"--67.5 volts RCA -VS 016
0.25 amperes 8.5 milliamperes
3-5 hours 25-40 hours
B" BAT T.
G7 I/2 V.
YELLOW
YELLOW
K= 1000
820
Power Output Undistorted 0.05 watts Loudspeaker Type Permanent-Magnet Dynamic Elliptical
Maximum
0.12
watts
VOLTAGES WITH RATED
SHOULD NOLD WITNIN ±20Y
BATTERY VOLTAGE.
2 x 3 in.
K MEASURED WITH CHANALYST OR VOLTOHMYS ALL VOLTAGES ARE MEASURED WITH
Voice Coil Impedance
113/4 ohms at 500 cycles RESPECT TO CHASSIS GROUND.
Cabinet Dimensions (inches)
3-3/16 x 61/8
Weight
31;4 lbs. (net)
Tuning Drive Ratio
x 4.3/16 Frequency Range 1 to 1 Intermediate Frequency
Á' Á7T.
Ot tUp P-92241 -t
550-1,600 kc 455 kc
Test Oscillator.-- Connect test oscillator as indicated in chart keeping the output as low as possible to avoid A V C action.
Output Meter. -Connect meter from top lug of TB1 (plate of 354) to ground. Turn volume control to maximum position.
Fig. 1 shows the modifications necessary to convert the center strip portion of a case into a convenient shield to be used as a substitute for the regular case center strip in the RF, Osc. alignment.
Connect the
Steps
high side of
testtoo-sc.
Tune tote-st-osc.
Turn dial
rtaodi-o
Adjust the
- following for
max. peak output
1
Connection
lug of C2,
455 kc
nQeauriet1,6p0o0inktc
C11, Cl2 2nd I-F trans.
located on
rear of gang
2
in series with .01 m1.
455 kc
Quiet point C6, C9 near 1,600 kc 1st I -F trans.
3
1.600 kc
Antenna
4
coupling loop thru 200
1,500 ice
mmf capacitor
5
600 kc
1,600 kc 1,500 Ire 600 kc
C5 (osc.) C2 (ant.) L2 (osc.)
6
Repeat steps 4 and 5 for final adjustments.
Steps 3, 4 and 5 require a coupling loop from the signal generator to feed a signal into the receiver loop located in the lid. This loop should be approximately one turn of 6 x 31/2 inches coupled to the signal generator through a 200 mmf. capacitor, and loosely coupled to the receiver loop antenna at about 13/4 inches distance, so as not to disturb the receiver loop inductance. Ground test oscillator through .1 mt. capacitor to receiver chassis.
Tools required: 1. One Phillips No. 1 screwdriver. 2. One small neutralizing alignment tool.
CRITICAL LEAD DRESS
1.
Dress blue, as direct as socket and
green and possible. If flat against
black excess chassis
leads of second I -F transformer lead exists, dress down side of to transformer opening.
2.
Cross the green and the black leads inside the first former can, keeping the green lead to the outside.
I -F transKeep the
blue and the green leads separated as far as possible through-
out their length.
3.
Dress audio the volume
coupling control up
capacitor (C14; .002 and underneath the
mf.) and the lead shelf supporting
to
the
output transformer.
4.
Dress the parallel to
three capacitors pyramided behind the the complete assembly and with enough
hind the battery holder to allow the holder to move
speaker, room bewhen a
battery is installed or removed.
5. Dress the "B" battery leads behind the gang frame and over the top of the output transformer.
6.
Observe the outside also the polarity of
foil connections on all paper capacitors, the electrolytic capacitor (C17).
7. Keep blue and red leads of output transformer above the mounting shelf.
CS -CSC. C2 -MO'
^'
1400 KC 1500 KC
Note: DO NOT install "A" battery without cardboard cover. A rubber band should be placed around each tube for cushioning.
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO. Replacement of Component Parts
RCA PAGE 15-23
MODELS 54B1,54B1-N, 54B2,54B3,Ch.RC-589
I. To remove back cover: a. Depress locking spring clip through hole in top of case. b. With spring clip depressed, pull cover carefully out and up off the locking lug in the bottom of the case.
II. To replace batteries: a. Remove back cover.
b. Remove, either or both, the "A" and "B" battery as the case may warrant. The "B" battery snap fasteners can
best be removed by inserting a screwdriver under the snap fastener strip and prying upward.
Ill. To remove the case center strip:
a. Remove one screw on the inside near the back cover. b. Tilt case center strip and lift.
IV. To replace tubes: a. Remove back cover. b. Remove "B" battery. c. Remove case center strip. d. Remove and replace tubes as required,
V. To remove the escutcheon plate (top cover): a. Remove the main dial knob, just pull. b. Remove the four corner nuts (B), rear. c. The plate may either be removed from the stay arm or folded into the lid.
VI. To remove speaker:
a. Remove escutcheon plate (see item V above). b. Remove two Phillips screws (C) on chassis front of panel
assembly holding speaker. c. Unsolder voice coil leads.
d. Slide forward away from hinge side.
VII. To remove output transformer:
a. Remove speaker (see item VI). b. Remove rivet (when replacing use c. Unsolder mounting lug and leads. d. Pull out transformer.
small
brass bolt).
VIII. To remove volume control:
a. Remove speaker (item VI).
b. Unsolder (disconnect) battery holder.
lead
to
positive
terminal
of "A"
c.
Litt up in its lifted
butaphsee.a"nAdT"hibbsaacthtkeolrdyteorhorheladmseorvaeb.yhinregme oavcintigonthaendonme ussctrebwe
d. Remove front plate (panel) as follows:
1.
Unsolder two to front plate)
copper strips (E) (from located under tubes
end
1R5
of tube 354.
shelf
2.
Remove two ecrews plate. These screws and 1T4, also 3S4 may stick on studs,
(F)
are and pry
holding tube shelf to front located between tubes IRS 1S5. Rubber shock mounts loose.
3.
Remove nut (G) I -F transformer.
beneath
tube shelf below
second
4. R"(hGAoe)lm"deoabvrdaejtantecseercayrnretwhroetolld(eGeav)rs,oelbunemecnaeaertacthcchoo. vntethrreolhninbegegelaotwiavned"Atea"rlsmobinasactltreerowyf
"E"
GROUNDING STRIPS.
TUBE
To REMOVE
SHELF SUB- SPEAKER
ASSEMBLY FROM CHASSIS.
To REMOVE ESCUTCHEON FROM CHASSIS
0
TO REMOVE
A BATTERY
BRACKET.
2ND. I.F. TRANS.
TO REMOVE CASE CENTER STRIP
5. Unsolder three chassis leads to cover switch assembly or remove the switch assembly from the front cover plate.
6. Lay chassis on board or jig. 7. Remove front plate. 8. Unsolder volume control leads. 9. Remove volume control knob and spider. 10. Remove volume control assembly by bending back
four lugs. Caution: Do not close lid unless center screw of switch
assembly is in place. e. Reassemble in reverse order.
IX. To remove oscillator coil: a. Same procedure and steps as covered in item VIII for removal of volume control plus the following. b. Unsolder oscillator coil leads. c. Remove coil by unsnapping spring mounting clips from angle bracket.
X. To remove 1st I -F transformer:
a. Remove speaker.
b. Unsolder four leads from 1st I -F transformer. 1. Blue to plate (screen used as plate) of IRS tube. 2. Green te grid of IT4 tube. 3. Red to 134 terminal of 5 lug terminal board adjacent output transformer. 4. Black to AVC terminal of same strip as above.
c. Remove connections as required from two lug terminal board adjacent to 1st I -F transformer to permit this terminal board to be moved to a position free of the 1st I -F transformer.
d. Unsolder and bend mounting lugs straight on the I -F transformer can. These lugs are immediately below the 2nd I -F transformer on tube shelf.
e. Slip 1st I -F transformer forward toward volume control and out. Note: It is possible to fold the 1st I -F transformer out the front of the chassis if the front plate is removed. This will eliminate the unsoldering of leads from the two lug terminal board.
XI. To remove 2nd IT transformer:
a. Carefully remove the two 0.02 of C10, C15 capacitors. b. Carefully depress the two leads (B+ and A4-) near the
I -F transformer case mounting lugs and unsolder these lugs from the tube mounting shelf and bend out. c. Unsolder the blue (plate of IT4), green (grid of 1S5), red (B+ on terminal board), and black leads.
d. Remove 2nd I -F transformer.
XII. To remove condenser tuning gang: a. Loosen oscillator coil. b. Unsolder leads to tuning gang. c. Unsolder grounding straps. d. Remove three screws holding gang assembly to chassis. e. Remove gang from rear of chassis.
XIII. To remove loop assembly:
a. Unsolder loop leads in chassis.
b. Remove screw holding fish paper insulating envelops to
chassis switch.
1
0 e® c. Remove snap fasteners holding loop in cover.
IT4
oG m
CIS 2ND. I.F. TRANS.
LfN
elK
IDEN
155
354
o
.1
o o
©°
111:11E1
o
DIMENSIONS IN INCHES
To REMOVE CHASSIS SUB AssEHBLY
F
-HINGE
TO REMOVE
TUSE SHELF
SUB ASSEMBLY.
311 2IZa 3
e
J
2
TV IS
'BR AC BRACKET
ALIGNMENT SHIELD
BV! TUBE SHELF SUB-ASSEMBLY
(BOTTOM VIEW)
2- j}6HOLES
CIO RV -R6 -C16
+A CIA
B B TI
TO TBI
A RADI U S
r HOLE
cfrtl
=1 i
bl
©John F. Rider
www.americanradiohistory.com
PAGE 15-24 RCA
MODELS 54B1 54B 1-N, 54B2,54B3,Ch.RC-589 MODELS 55U,55AU,Ch.RC-1017
RCA MFG. CO.
MODELS 54B1, 54B1 -N, 54B2, 54B3
STOCK
O.
DESCRIPTION
STOCK No.
DESCRIPTION
70444 70445 33111 60954 65405 70454 70627 70453 71013 36718 70443 70438 70452 70439 70449 70429
70434 70984 70441 70424 70432 70708 70450
70986
70447
70985
70449 70427 70420 70422
CHASSIS ASSEMBLIES
RC 589 54B1 BLACK
AG 589A 54132 BROWN
Board-Speaker Board-Terminal
terminal board (I
board (5 contact)
contact)
Capacitor-Ceramic, 33 mmf (C16)
Capacitor-Ceramic, 56 mmf. (C4)
Capacitor-Ceramic, Capacitor-Tubular. Capacitor-Tubular, Capacitor-Tubular, Capacitor-Tubular,
82 mmf. (C13) .002 mid., 150 volts (C14, C19) .005 mfd., 600 volts (C20) .02 mfd., 100 volts (CIO, C15) .05 mfd., 400 volts (C7)
Capacitor-Electrolytic, 10 mfd., Coil-Oscillator coil (L2, L4)
60
volts
(C17)
Condenser-Variable tuning condenser (C1, C2, C5, C6)
Connector-Loop connector (I set)
Control-Volume control Fastener-Push fastener
(R6)
to hold
loop-(2
required)
Grommet-Rubber grommet for tube support (2 required),
and to mount variable condenser (3 required)
Hinge-Lid hinge-Model Hinge-Lid hinge-Model Holder-Battery holder
5481-Black (2 required) 54R2-Brown (2 required)
Knob-Tuning knob
Knob-Volume control knob
Lead-Battery lead complete
Lid-Case lid complete with lid support less loop-Model
5481-Black
Li5d4-1C2a-sBerolwidn complete with lid support less loop-Model
- Loop-Antenna loop complete with connectors less lid Model 54131-Black
- Loop-Antenna loop complete with connectors less lid Model 5482-Brown
Nameplate-"RCA" nameplate
Nut-Retaining nut for lid support stud
Panel-Chrome panel
Plate-Backing plate for mounting hinge on lid-Model
5481-Black (2 required)
70983
14076 36714 14138
3252 30652 12928 30931 30992 70421 71150 70446
70436 70423 70428 70425 70426 70451 70435 70430 70442 70440 70437 70433
Plate-Backing plate for mounting hinge on lid-Model
54B2-Brown (2 required)
Resistor-820 ohms, 1/4 watt (R9)
Resistor-15,000 ohms, 1/4 watt (R2)
Resistor-68,000 ohms, 1/4 watt (R5)
-1 Resistor-100,000 ohms, 1/4 watt (R1)
Resistor Resistor
-3.3mmegeoghomhm, s1,/4
RReessiissttoorr--41.07
megohms, megohms,
watt (R7) 1/4 watt (R3, 1/4 watt (RB) 1/4 watt (134)
RIO)
Screw-Case cover mounting screw (1 set)-Model 54B1
Screw-Case cover mounting screw-Model 5482
Screw-$6-32 x I/4" long self -tapping screw to mount
battery holder
Socket-Tube socket
SSppeaackeerr--R2u"bbexr
shock spacer 3" elliptical P.M.
speaker
Spring-Tuning knob spring clip
Stud-Lid support stud
Support-Lid support
Support-Tube support less tube sockets and transformer
Switch-Power switch (SI)
Transformer-First I -F transformer (L5, L6, C8, C9)
Transformer-Output transformer (T1)
Transformer-Second I -F transformer (L7, LB, C11, C12)
Washer-Spring washer for volume control knob
70456 70988
70457 70455 70987
70459 70989 70461
70990 70458
70460
MISCELLANEOUS ASSEMBLIES
Bottom -Case bottom-54B1-Black
Bottom-Case bottom-5482-Brown
Catch-Spring catch assembly
Center-Case center-Model 5481-Black
Center-Case center-Model 54B2-Brown
Handle-Carrying handle-Model 5481-Black
Handle-Carrying handle-Model 5482-Brown
Link-Handle Link-Handle
link-Model 54B1-Black link-Model 5482-Brown
(2 (2
required) required)
Nameplate-"His Master's Voice" nameplate
Screw -54-40 x t/s" fllister head screw for case center strip
MODELS 55U, 55AU
STOCK No.
70389 70407 70997 39650 70601 70606 70611 70612 70615 70617 70408
70403 70383
70322 32634 70392 70384 70397 70395 70404 70391 11765 70393 70382 30868 36230 30880
6134 30402 14583 30648 12928 31455 14074
DESCRIPTION
STOCK No.
CHASSIS ASSEMBLY
70388
(RC 1017)
34449
35787
Bearing-Tuning knob shaft bearing
37605
Button-Plug button (2 required)
70390
Capacitor-Ceramic, 5.6 mmf. (C24)
70396
CIO70387 Capacitor --Mica, 820 mmf. (C15)
Capacitor -Tubular, .002 mfd., 400 volts (CS, C9) Capacitor --Tubular, .005 mfd., 400 volts (C1,
70394 70386
Capacitor --Tubular, .02 mfd., 400 volts (C8)
Capacitor-Tubular, .025 mid., 400 volts (C10)
70385
Capacitor-Tubular, .05 mid., 400 volts (C2, C14)
33726
Capacitor --Tubular, 0.1 mfd., 400 volts (C3, C4)
70406
Capacitor -Electrolytic comprising 1 section of 30 mid., 150
volts and 1 section of 50 mfd., 150 volts (C12, C13)
Coil -Oscillator coil
Condenser-Variable tuning condenser complete with drum
(C18, Cl6) Control-Volume control, 0.5 megohms (RIO)
70405
Cord -Drive cord (approx. 48' overall length)
Cord -Power cord
Drum Drive drum
Gear ---Power or radio -phono switch gear
Gear ---Volume control gear and spring assembly
Indicator ---Station selector indicator
Insulator-Bakelite insulator for phono input socket Lamp -Dial lamp
I oop Antenna Loop (LI, L2)
X1635
Plate --Dial back plate complete with pulleys less dial
Plug -2 contact female plug
Pulley-Drive Resistor-ISO
ochomrds,puyllewy att
for AC'cable (R7)
70398 35392 70575 70402
Resistor---1200 ohms, 1 Resistor --22,000 ohms,
w!'atwt a(tRt9)1R 2)
70707 70401
Resistor --220,000 ohms, 1.4 watt (RI, R5)
70400
Resistor -470,000 ohms, !4 watt (R8)
70399
Resistor Resistor
---53..63
megohm, megohm,
!-
ki
watt watt
(R4) (R6)
Screw-48-32,x 3/le long set screw for lower gear
14270 39545
DESCRIPTION
Shaft-Tuning knob shaft
Socket- -Lamp socket
Socket- Phono input socket
Socket--Tube socket-moulted
Spring-Drive cord tension Boring
Spring-Volume control gear tension spring
Switch --Power or radio Transformer- First I.F.
phono switch (SI)
transformer '-LO, L7
C20,
C211
Transformer --Second 1.F. transformer (L8, L9; C22, C23;
C6, C7)
Transformer --Output transformer Washer --"C" washer for tuning knob shaft
Washer-Spring washer for volume control
SPEAKER ASSEMBLY 922279-1
Speaker --4' a 6' P.M. sneaker complete
NOTE: It
keanumer b instrument does not agree
withstaamboovvenegspeaker number, order replacement parts
by referring to model number of instrument, number
stamped on speaker and full description of part
required.
MISCELLANEOUS ASSEMBLIES
Board Clamp
-Baffle board ---Dial clamp
and grille (I set)
Decal --Trademark decal 'RCA Victor)
Decal-Trademark decal (Dog)
Dial --Dial scale
HKinnogbe----P-Cowabeirneotr
lid hinge (2 required) radio -phono switch knob
Knob -Tuning knob
Knob-Volume control knob
Spring Retaining spring for tuning knob and volume control
knob
Support-Lid support
POWER OUTPUT
Undistorted Maximum
LOUDSPEAKER (M922279-1) "PM"
Size
V.C. Impedance
Some models may have
-
1 S walla 2 4 watts 4 x 6 inch elliptical 3 4 ohms at 400 cycles -_. S inch PM
PHONOGRAPH
- Type
Record Capacity Turntable Speed Type Pickup Motor Power Consumption
Automatic (T960015) Twelve 10 -in.. Ten 12 -in.
711 r.p.m. Crystal 25 watts
®John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-215
MODEL 55F,CV-42 E1ctrifier Ch.RC-1004E
DO NOT CONNECT TD GROUND WHEN U91N0 `ELECTRIFIER'
Tun BOTTOM VIEW
OF SOCKETG
NSGT R.F.
C40 -10101E (USED ON
MO EEL5)
1-
7v
I
120
lL 1
e
3-25
CI 0.1
J RI
/
it -3.2 V. 3.3 MEG.
APPROX.
MAX. AVC.
c to 17-454
SRenoD
ºéi
C22 45-80
K -9V. Moose) -13V. (moo KC)
1A7GT 1ST OCT. & O5C.
R13
3.3
MEG
90V.
2
1 Co I. F.
TRANSRAS
I
C t2
z
15-90
L9 B
RS L NA.
GSM
RED
Y
.Os
IN5GT
I. F.
IH5GT
2MD DET.-AR Al AMC.
IRO
z
90V.
90V. é
2140 t.F. TRANS.
>E4 r 43V.
C7 ORS
Ìn
r
-1005
O
~ 15-SO7 I
C¡2á IS
15-90
44 LI
OSCILLOGR. OHN . IERTKAL "HI" D THIS rowT
j ERTICAL*O'`
D C1545515. RB
CS~YJ
120
lJj 1 MEG.
R4
10 MEG.
05
IS
"K 47M
RE- I MEG
VOL.CONTR
10 MEG
3QSGT
OUTPUT
5 9í0v. C
R9
2.2
MEG.
3.SIL
L9
Aeon
C17
2-20
ON VOL.11 CONTROL
C1 10
L,
RED NA
R
ó DLK UFO.
B
Y LLO
BLUE BATTERY CABLE PLUG (PRONG VIEW)
SS FRONT
- RII
56°
C2 10
MFD
54
REAR K
t
R14
480
Rn 22
R 10
+- C20
390
23
MFD
-7.4 V. -5.2V.
BATTERY SAVER POSITION MAX.. OUTPUT POS TION
WIVTOHLITNAGE4S20S%HOUWLDITHHOLD
RATED SUPPLY VOLTAGE
BATTERY ELECTRIC SW. VIEWED FROM FRONT (MAX. CCW. ) AND SHOWN IN POS. NO.1
POSITION I. BATTERY SAVER POSITION 2- MAX.OUTPUT- BATTERY POSITION 3- AC.DC OPERATION
19 MEASURED WITH CHANA LYST OR VOLTOIIMYST
P-9230224-$
NOTE: FOR !BATTERY OPERATION TAPE LUG.
FOR ELECTRIFIER OPERATION, CONNECT LUG TO CHASSIS.
Cathode Ray Alignment is the/ preferable method. Connections for the oscillograph are shown in the diagram.
Output Meter Alignment.-If this method is used. connect the meter
across the voice coil and turn the receiver volume control to maximum. Test Oscillator.-For all alignment operations, connect the low side of
the test oscillator to the receiver chassis, and keep the output as low as possible to avoid AVC action.
Pre-Setting Dial.-With gang condenser in full mesh, the pointer should
be set at the left-hand end dial calibration mark.
Connect high side Tune
to- Step
of the test Oscillator
testt0o-se.
Turn
Adjust the follow -
radtioo -dial
ing for maximum peak output
Precautionary Lead Dress.-
LUE I'
2. 3.
4.
The lead from under clip and
the 3Q5 plate to output transformer away from audio input leads.
should
be
dressed
All filament wires should be dressed close to chassis.
Keep AVC lead connecting Cl. front the 1A7GT plate.
(0.1
mfd. filter)
to antenna coil away
Keep blue plate to chassis.
leads coining from
I.F.
transformers
short and close
5. Keep yellow leads connecting to oscillator coil away from trap coil. 6. Keep grid lead of INSGT RF tube away from 1A7GT grid. 7. Keep green lead from second I.F. transformer short and close to eround.
POWER SUPPLY
15005--1G25OV.,
OR DC.
I -F grid
1
in series with
.01 mid.
1A7GT grid
2
in series with
.01 mfd.
455 kc
Quiet point between 550 and 750 kc
C14, C15. (2nd I -F Trans.)
C12, C13 (1st I -F Trans.)
Tuning
condenser
3
1,720 kc rotor plates
all out
Antenna terminal
in series with
1,300 kc
4
200 mmfd.
1,300 kc
signal
C17 (osc.) CO (ant.)
Adjust C22 for
Quiet point minimum output
5
455 kc between 550
on strong
and 750 kc
455 kc signal
SOCKET (TERM.
VIEW)
Electrifier Schematic
FREQUENCY RANGE.... ..540-1,720 kc INTERMEDIATE FREQUENCY.. ..435 kc MAXIMUM POWER OUTPUT... .3 watt
C 22
-/ WAYS TRAP 455 KC.
C 17- OSC. 1720 KC.
o
CS -ANT. 1300 KC. 2
C451
-C13 KC.
Y v TSRTA. NIE.E.
Tap -View
'l I.
I
IMPORTANT
Remove any external ground connections when using the Electrifler.
CAUTION: Turn power switch off or replacing tubes or batteries.
(counter -clockwise)
when
installing
RECEIVER IS SHIPPED READY FOR BATTERY OPERATION. FOR ELECTRIFIER OPERATION, REMOVE TAPE FROM LUG AT REAR OF CHASSIS AND CONNECT LUG TO CHASSIS.
if On a DC -power supply. so reception is obtained, reverse the Plug in the
Gullet and relapse. On as AC supply, reversal of the plug may reduce hum. CAUTION! Do not touch Radio Chassis unless power plug is removed from socket.
°John B. Rider
www.americanradiohistory.com
PAGE 15-26 RCA
MODEL 55F,CV-42 Ch AC -1004E
RCA MFG. CO.
MODELS 56X,56X2 56X3,CheRC-1011
Model bble and CV-42 Electrifier
STOCK No.
DESCRIPTION
STOCK No.
DESCRIPTION
38675 39604 38672
39640 70627 70712 70615 70617 36718 38705 38.344 38345 70378 38599 36080 34662 38821 35069 36090 38350 38673
30550 32289 39930 30498
1,2262 30734
30787 14138 14583 30652 30649 12928 30992 36897 70377 31251 31418 38,349 38670 70379 70380
33726
CHASSIS ASSEMBLIES
SPEAKER ASSEMBLIES
RC 1004E
Stamped 92515-1K
S2)[ Arm-"On-OH" indicator arm
Capacitor-Mica, 10 mmf. (C40) Capacitor-Mica trimmer, I section 120 mmf. 1 section 45-80
mmf. (C21 C22)
Capacitor-ñica, 330 mmf. (C6) Capacitor-Paper, .005 mfd., 1200 volts (C7, CL C19) Capacitor-Paper, .0018 mid., 700 volts (CS) Capacitor-Paper, .05 mid., 200 volts (C2) Capacitor-Paver, 0.1 mfd., 400 volts (C1) Capacitor-Electrolytic, 10 mfd., 10 volts (C18, C23) Capacitor-Electrolytic, 25 mid., 90 volts (C20) Coil-Antenna coil (LI, L2) Coil-Oscillator coil (L3, L4) Coil-Wave trap (LIO, L11)
70381 70991
70381 70992
70381 70993
STpraenaksefor-rm5"er-PO.Mut.psuptetarkaenrsfloerumeorutput transformer
SPEAKER ASSEMBLIES
Stamped 92515-1P
Speaker-5" P.M. speaker less output
Transformer-Output transformer
transformer
SPEAKER ASSEMBLIES
Stamped 92515-1F
Speaker-5" P.M. speaker less output
Transformer-Output transformer
transformer
CCoonntdreonl-sVero-lVumareiabcolenttruonlinangdcPoonwdeenr ssewr it(cCh9.(RC6IO, ,SCI,11, C17) Cord-Drive cord (approx. 59 overall length) Dial-Dial scale
NOTE:
U stamping with above
on speaker in instrument does not speaker number, order replacement
apgarretese
by referring to model number of instrument, number
Fastener-Push fastener for dial plate Indicator-Station selector indicator
stamped on speaker and full description of part required.
Lever-Indicator arm actuating lever
Plate-Dial back plate complete with drive cord pulleys and
MISCELLANEOUS ASSEMBLIES
-4 indicator arm
Plug prong male plug for battery cable
PRRRRueeeesssslliiiissssettttyoooo-rrrrD----5362ri6982v000eo0ohcohoomhmrhmdsm,ss,,spI,u3ylw4(lyeaywwttwaatt(attRtt1((RR7(R)11410)2, )R11)
RRRRRRRSheeeeeeessssssasiiiiiifsissssststttttt-ooooootTorrrrrr-----u-r-22314--n62l..7i08230n,m,0,0gm0e0mm00g0ek0eeo0gngghooooooomhhhbhhhmmm,mmms,ssh,,3,,s4ay,jy4)yfi((twlw(wwawwatwaataattttttatt(ttRt(t((R(8(RRRR(4)9RI3,5),)2)R)171)13)
Shield-Tube Socket-Tube
shield socket
for
INSGT/G
and
IHSGT/G
tubes
Spring-Drive cord tension spring
Spring Indicator arm rsturn spring
STTwrraainntcssfhfoo-r"rmBmaeetrrt--eSFreyirc-soEtnlIed.cFtI.r.Fitcr.a"ntprsaofnowsremfroersmrwe(iLtrcSh(,LL(7S6, 3,L,C8S,142C), 3C, 1C34) , C14,
X1606 36462 35915 36886 36722 71281 30900 38679
38702 38701
30847 28451 35069 28452 38702 30730 31027
Board-Baffle board and grille cloth Clamp-Dial clamp
Escutcheon-Dial escutcheon leu dial Knob-Powerrinnob knob Knob-Tuning knob Knob-Volume control knob Spring-Retaining spring for knob Window-Glaze window for dial scale
CV -42 ELECTRIFIER
Ballast-Plug-in ballast tube resistor
Capacitor-Electrolytic, comprising 1 section of 50 mfd., 150
volts, 1 section of 30 mfd., 150 volts, and 1 section of 250
mid., 10 volts
Capacitor-.05 mid., 400 volts
Cover-Insulating cover Fastener-Push fastener
for for
electrolytic capacitor bottom cover
Pjlleasties-tBora-kBeallitleasmt touubnetinregsipsltaotre for electrolytic capacitor
Resistor-2,700 ohms, ys watt
Socket-Power output socket
C15)
Washer-"C" for tuning knob shaft
31251 38702
Socket-Tube Tube-Ballast
or ballast resistor tube resistor
socket
CamIRpClUifiIcTaDtioEnS,CaRuItPoTmIOatNic.-Svoulpuemrheecteornotdroylneanwd itchlasosne"Asta"gbeeoafmrapdoiowefrreqouuetpnucyt.
Battery operation, with optional AC-DC socket power attachment available. Model 55F can be operated on 105-125 volts AC, 50-60 cycles, or 105-125 DC, by means of an RCA CV-42 Electrifier.
LOUDSPEAKER (5 inch) 92515-1 Voice coil impedance at 400 cycles
3 4 ohms
POWER SUPPLY
Battery
Ba"tAte"ry13D4ravionlt section "B" 90 volt section
RCA VS022 or equivalent 3 ampere
10 ma. (Switch in "Battery Saver Position") 14 m.a. (Maximum Output Position)
POWER CONSUMPTION
With CV-42 Electrifier Unit (switch in "Electric" position)
22 ..5 watts
Cabinet Dimensions (inches)
18 a 93( a 101,4
Steps
Connect the high side of
test -otsoc-illator
Stator of C -I2 in series with
.01 mtdt
2
Ant. lead 3 in series with
200 mmfd. 4 Repeat step 3.
OTUUBTPEUT
Tune
testto-o-sc.
455 kc 1,300 kc
Models 56X,
Turn
radtioo -dial
Adjust the fol lowing for max. peak output
Quiet -point 1,600 kc
end of dial
C18 and C19 2nd I-F
transformer
C16 and Cil
1st I -F
transformer
56X2. 56X3
Teat Oscillator. Connect high side of test oscillator as shown in chart. Connect low side through a .01 mf capacitor to common -. -B." Keep the output signal as low as possible to avoid AVC action.
Output Meter. - Connect leads between speaker voice coil and chassis. Turn volume control to maximum clockwise. tone control to maximum highs (clockwise).
Dial Pointer Adjustment. clockwise (plates closed).
-Rotate Adjust
tuning condenser indicator pointer
fully counterto left lmax.
Cap.) mark on dial back plate.
1,300 kc
C14 (oac.l C14 (ant.)
OUTPUT
TRANS.
RTUEBCET.
FIELD COIL
3o
MFp,L
t2,AFD.
®John F. Rider
WITH E M SPEAKER;, VOLTAGES ARE SLIGHTLY LOWER CONNECTIONS FOR ELECTRO- MAGNETIC
SPEAKER
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-27
MODEL QB55,Ch.RC-563A
l
LI Ip
as
C
Ct6
IA7- GT/G
DET. 4 05C.
INS-GT/G I.F AMP
IH5-GT/G 2"O DET. A.F BANG
3Q5-GT/G OUTPUT
3-30
e
IST. I.F.
2ND.I.F
lá
-5V ({ROM
+ TRANS
TRANS. _
ti
1.2r.
A
3.7n.
C
3-30
_II.SV(Is°d!I -IV. 14.3rG) -7V. (7MC) --363V1(.(4(72.11rC4c))
a C190I0= c
ó
43V .
Ç100
O L%nA L1R2
R4
ae`i.l C ß a F I
84.-C# 2. 971,
LIS
C1U0' 0
V.
sl
CI
A
P36RIn.
L4 VI
i 1220
e
CZ 2-2-C20
13-490
CII 0.1
Lev 1.VPRON. MAX. AVC
'VVr 44M
RI I-MEG.
tC030
Ctt
Z.03
R3
L14
4.R75MEG.
R12
\47M C16
VOI.CORNGTR. 1 MEG.
I .00
R2 áB M
M1RII
2.1 MEG.
`d L5 L6 iFs6o
2^
C23
2-20
4
(§) e` t200 sz
L'1
REAR
D.
CYt40
L9
4
3 C pL10
o
c7 S- if CA 4100Z
4700
C5 13-490 Cet 20
ea.,RANGE SWIrL.H VIEWED
Iry
"A"
FRONT 4 D !NAND (MAX.
SHOW N COUNTER-
C.LOCKWISE)
POSITION -
SOBCOKTETOTMg. VIEK' OF TUBE M_-= 1000
RESISTANCE VALUES LESS I HAN ONE OHM NOT SHOWN.
OSCILLO?COP E CONN'S
VVEERRTTIICCAALL'OHI' 'TTOO
THIS POINT. CHASSIS.
CATHODE CURRENTS
(I) IA -147,T
1.10 MA.
(2) INSGT - 1.23 MA.
(3) 1 HSGT - - - .O2 MA.
(4) 3QSGT-- 9.52 MA.
TOTAL - ---12.5 MA.
59f 754
BR
RED
BLK. YEL
PLUG
TERM. (REAR) VIEW
WITVHOILNTA*G2E0S9.
SHOULD HOLD WITH RATED
BATTERY SUPPLY.
MEASURED WITH CIWMLYST ON '. LTOMMYST
IF PEAK 455 KC
11
ON SORE UNITS CIt 15.025
AND CIS 15 .0025.
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES (RC -563A)
32548
32830 31292 39616 39628 39636 70667 39660 39668 70600 70603 70606 70608 70610 70613 70617 32821
32148 33784 38295 38287 36080 32634 36093
35788
38296
12006 36237 37068 38288 30566 36230 30652 14752
Capacitor-Electrolytic, comprising 1 section of 12 mfd., 150
volts, and 1 section of Capacitor-Mica trimmer,
20 mid., 150 volts (C20. dual, 2-20 mmf. (C25,
C22) C24)
Capacitor-Mica trimmer, dual, 3-30 mmf. (C25, 026)
Capacitor-Mica, 33 mmf. (C13, C14)
Capacitor-Mica, 100 mmf. (C3, C9, C10, C15, C17)
Capacitor-Mica, 220 mmf. (CI)
Capacitor-Mica, 560 mmf. (C4)
Capacitor-Mica, 2200 mmf. (C6)
Capacitor-Mica, 4700 mmf. (C7)
Capacitor-Tubular, Capacitor-Tubular, Capacitor-Tubular, Capacitor-Tubular, Capacitor-Tubular, Capacitor-Tubular,
.001 mfd., 200 volts (C16) .003 mfd., 200 volts (C18) .005 mfd., 200 volts (C8) .007 mfd., . 400 volts (C19) .01 mfd., 200 volts (7:27) .03 mfd., 200 volts (C12)
Capacitor-Tubular 0.1 mid., 200 volts (CI1)
Coil-Antenna coil, "A," "B" and "C" bands (Ll, 1.2, L3,
L4)
Coil-Oscillator coil, "A" band (L5, L6) Coil-Oscillator coil, "B" band (L7, L8)
Coil-Oscillator coil, "C" band (1.9, L10)
Condenser-Variable tuning condenser (C2. Control-Volume control and power switch
CS, (R8,
C21) S3, S4)
Cord-Drive cord (approx. 49 inches overall length)
Core-Adjustable core and stud for "A" band oscillator
coil
Core-Adjustable core and stud for "B" band oscillator
coil
Core-Adjustable core and stud for "C" band oscillator
coil
Core-Adjustable core and stud for I-F transformers
Drum-Drive drum
Indicator-Station selector Indicator
PPlluagte--4Diparlonbgackmdalaeteplucgomfpolretbeawtteitrhy
drive cord cable
pulleys
-1 Pulley-Drive cord pulley
Resistor megohm, 1/4
Resistor-2.7 megohms,
watt (Rl, R7) 1/4 watt (R3)
STOCK No.
DESCRIPTION
30649 30931 30992 30498 30494 30787 14138 36897 70377 33742 31319 31251 31418 31261
12007
38297 35636 36122 38300 33726
Resistor -2.2 megohms,
Resistor Resistor
--41.07
megohms, megohms,
1/4
1/4 1/4
watt watt watt
(R9)
(R5) (R8,
R13)
Resistor -390 ohms, 1/4 watt (RIO)
Resistor --4700 ohms, 1/4 watt (R11)
Resistor -47,000 ohms, 1/4 watt (R12)
Resistor -68,000 ohms, t/2 watt (R2, R4)
Shaft-Tuning knob shaft
Shield-Tube shield for IN5GT tube
Socket-Phono input socket
Socket-Tube socket, moulded
Socket-Tube socket, wafer
Spring-Drive cord spring
Spring-Retaining spring for "A" and "C" band oscillator
coil core and stud
Spring-Retaining spring for "B" band oscillator coil core
and stud and retaining spring for I -F transformers' core
and stud assemblies
Switch-Range switch (SI, S2)
Transformer-First I.F transformer (Lll, L12, C9, C10)
Transformer-Second I-F transformer (L13, L14, C13, C14)
Transformer-Output transformer (T1)
Washer-"C" washer for tuning knob shaft
70413
SPEAKER ASSEMBLIES
(92510.1)
-5 Speaker -inch P.M. speaker complete
Note:
If stamping on speaker in instrument does not agree with above speaker number, order replace ment parts by referring to model number of in strument, number stamped on speaker and full description of part required.
36890
36891 35480
3828
38328 36886 36722
30900
MISCELLANEOUS ASSEMBLIES
Clamp-Dial clamp, left hand Clamp-Dial clamp, right hand
DlDecal-Range switch decal Volume control and power switch decal Dial-Glass dial scale Knob-Range switch or volume control knob Knob-Tuning knob Spring-Retaining spring for control knob
©John F. Rider
www.americanradiohistory.com
PAGE 15-28 RCA
MODEL QB55,
Ch.RC-563A
Vicia,seed iticitematicsll
RCA MFG. CO.
51
FRONT
12 3 L3
C2
C1
C21
R1
1ST. DET.
1A7- GT/G
CA
4
R2
+
AVC
10 7
S?. REAR
C4 C23
-- -- -- - - GANGED
/ C5
BAND -SWITCH SHOWN
AT 1 ST POSITION.
BROADCAST BAND
L9
540-1720 KC.
R4
+
R11
B+
51 FRONT
411 12
L9
L4
51
FRONT
1 3
C26
C
R1
C21
R2
AVC
GANGED
C3 52
REAR
10 5
BAND -SWITCH SHOWN
C5
AT 2ND POSITION CLOCKWISE.
MEDIUM WAVE BAND 2.3-7.1MC.
51 FRONT 11 1
C26
L4
51
FRONT
2 3 C25
AVC
- -
15T DET. {. 05C. 1A7- GT/G
4
C11 R4
8+
52
REAR
15T. DET. E OSC. 1A7-GT/G
8+
L12
8+
GA-NGED
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE .
SHORT WAVE BAND
7.1 - 22 MC.
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-29
MODEL Q,B55,CheRC-563A
Cathode Ray Alignment is the for the oscilloscope are shown on
preferable method. Connections the schematic diagram.
Output Meter Alignment. -If
meter across the voice coil and maximum.
this turn
method is used, connect the the receiver volume control to
Test side of cillator
Oscillator.-For all alignment operations,
the test oscillator to the receiver chassis output as low as possible to avoid AVC
connect the and keep the action.
low os-
cDmoreCrinvraeet.lsipbMoraentcdihoantoniSsthmcea"lef.rd-erTqauwheienncgid.eisalTinhbdeaisccekatimendgarkopnslattaheree
has 6 "Dial used
marks which Indicator and during align-
Before alignment, set the dial pointer condenser gang in full mesh, the pointer the left hand mark on the dial backing
so that, with the is 1/16 inch to the plate.
tuning left of
l L2n.5--BM'OCS. C.`®
O O
C2
C21 A ANT.
1500 KC.
C5
C26.'B'ANTC--4,e
6.I
MCr.,-L,L-. C24 6.1
C2215.5-CM-CA.N T.
oSC.
IA7 GT/G
-a. LtO,C'oSC.I I
9.5 MC.
C125030-'ÁKCO.SC.
METAL
1T5RTAI NS.TBUAB2EE
2
2ND.I.F TRANS.
SNIN[L}GD
Lit -TOP
1.12 -BOTTOM
455 KC.
(
L13 -BOTTOM LI4-TOP
455 KC.
PRECAUTIONARY LEAD DRESS
1.
The 220 panel on
mmf. condenser top of chassis to
(C1) from the gang to the wiring be dressed away from the chassis.
2.
All oscillator plate leads and direct as possible.
to
coils
and
switch
to
be
as
short
3.
TtsforihobmetleergmortoesinceinatlellramltNeoiarond.asl3efrcNootimnoo. nsr1w-f0oiftscoethnhcetiSsoIwtnuinttoocifhngbteSh2ecdotrunuendnsdseinengdstoercatoshgnenadneegganr.rseeerans
gang poslead
4.
The black lead dressed below No. 2 on switch
from
and
SI
terminal No. touching the to the C -band
9 on switch S2 to L10 to be black lead from terminal antenna trimmer (C25).
5.
The red lead from the B -band oscillator
B -band oscillator coil (L8) to be dressed
the yellow lead from terminal B -band antenna trimmer (C26).
No.
1
trimmer (C24) to the above and touching on switch S1 to the
6.
Ttahwheeacyo10nf0rdoemmnsmetfrh. egmacnihcgaasstcoisa.ptearcmitoinral(C53)of
from oscillator section of IA7GT/G socket dressed
Steps
1
2 3 4 5
Connect high
side ose.
oftot-est
INSGT/G IF grid cap in series with
.01 mid. IA7GT/G let det. grid cap in series with .01 mid.
Tune ose.
ttoes-t
Turn dial
rtaodi-o
Adjust following for max. peak
output-
455 kc
L14 and L13
"A" Band
(2nd I-F Trans.)
Quiet Point
at Nigh
Freq. End L12 and Lilt
(1st I -F
Trans.)
200' Antenna Lead
in series with
1,500 ke 1,500 kc mark
Peak C23 (ose.) and C21 (ant.)
800 ke
800 kc mark
L8 (ose.)"
Repeat steps 3 and 4.
8
8.1 me
8.1 me
Peak (oec.)
C24
and
mark
C28 (ant.)
7
Antenna Lead in series with
2.5 me
2.5 me mark
L9 (ose-)
300 ohms
Repeat steps 8 and 7.
9
9.5 me 9.5 me L10 (osc.)
mark
10
21.5 me 21.5 me C25 (ant-)
mark
J
Use minimum capacity peak if two peaks can be obtained.
Rock gang slightly tor peak output.
Do not readjust L14 IA7-GT/G grid.
or
L13
when
test
oscillator
is
applied
to
VICTROLA ATTACHMENT
A jack Victrola from the plug.
is provided on the rear of chassis Attachment to the audio amplifying attachment should be terminated in
for connecting a circuit. The cable a Stock No. 31048
When Victrola is not in use its plug should be disconnected.
When Victrola be at minimum, any very strong
is in use, the volume control and, if necessary, tune set station.
on off
the radio should frequency from
Frequency Ranges Standard Broadcast ("A" Band) Medium Wave ("B" Band) Short Wave ("C" Band)
Intermediate Frequency
540-1,720 kc (555.174m)
2.3-7.1 7.1.22
me me
(130-42.2 (42.2-13.6
m) m)
455 kc
Batteries Required 1-RCA-VS022 Battery Pack or equivalent
Or: 1-11/2 Volt "A" Battery and 2-45 Volt "B" Batteries
Battery Drain "A" "B"
0.25 amp. 12.5 ma.
Power Output Undistorted Maximum
0.20 watt 0.26 watt
Loudspeaker (92510-1)
Type
5 -inch permanent -magnet dynamic
Voice -coil impedance
4 ohms at 400 cycles
0OFF
SOIT
LOUD
BLUE (ANTENNA) BLACK (GROUND)
C KE
EIVER
'VI2111.
..E
M35
SEPABRAATTTEER"IAE"SS 'is-
-RBC"PAACVK50B2A2TTERY
Power Connections NOTES:
Dial Indicator and Drive Mechanism
1.
A to
four wire cable the RCA-VS022
with plug is battery pack
provided for making or equivalent.
connection
2.
When separate is necessary.
batteries are
used, an adapter
extension
cable
3. A good ground connection is essential for best results.
POWER -VOLUME CONTROL
TUNING
Dial Controls
RANGE DWI TC N
le"
Cabinet Dimensions (inches) Height Width Depth
7% inches 121/8 inches 63/4 inches
©John F. Rider
www.americanradiohistory.com
PAGE 15-30 RCA MODEL X-55,Ch.RC-473A
RCA MFG. CO.
BOTTOM VIEW or TUBE SOCKETS
25A7 z' 7-OSC.
ILSK7
1.F,
VA' 1. -AVG.
xUE
LOOP
IA
15T IF TRANS.
IT r2 91v
flu
GR' 91V
22A
'C6
2ND.LPTRANS
GR'N
1
C3
C4
o
SEE
47 ME(a 1 ISo
PNONO. BRD.
o.1
vOLuME
.005
CCN MEG.0
¡ORRENL. I,p O. IONE
50n.
Z
PERMANENT-
MAGNET
DYNAMIC
SPEAKER
BOTTOM VIEW OF TUBE DOCKETS
_L INDICATES
.e7FF CHASSIS
ÇATHODE CURREPNT%
(1) 12517.
_ 10.2 MA.
(D 12SK1
.16.9 MA.
(31 127QT
"8' (41 SOL6GT__
TOTAL
__
0.14 MA. _40.6 MA.
CURRENT 66 MA.
I 4SCILLOGRA/Pt1 CONNECTION `v/EERTTIICCAALL'OHI'.TOTbb&RTOHUINSDTEBRINMDIINNAG LPOST
35Z5GT REGT
100011. I Yv,n
121V
i so
WD.
1311 so Z MFD.
ï. ,r :
,0A0 No.
ens
Kr:e'
0.1
DIAL
UeSse>,w"m..b,^:.A,"';;.!».l.
LAMP
TERMINAL BOARD ON CHASSIS
Schematic Circuit Diagram
FREQUENCY RANGE
INTERMEDIATE FREQUENCY
Number of Push Buttons
540-1,720 kc 455 kc Six
DIAL LAMP (1)
Mazda No. 51, 7.5 volt, 0.2 amp.
POWER OUTPUT (125 volts, 60 cycle supply)
Undistorted Maximum
0.8 watts 1.4 watts
POWER SUPPLY RATINGS
A-C Rating D -C Rating
LOUDSPEAKER (RL 86-2)
Type Voice Coil Impedance
105-125 105-125
volts, volts,
50-80 direct
cycles, current,
35 35
watts watts
5 -inch perm4a.n5enothmmsagant e4t 00dyncyacmleics
Alignment Procedure
Cathode-Ray Alignment the oscillograph are shown
is the on the
preferable schematic
method. Connections drawing.
for
Output Meter Alignment.-If this method
output meter across the voice coil, and turn
is used, connect the the receiver volume
control to maximum.
Test Oscillator,-For all alignment operations, connect the
side keep
of the test oscillator to the the oscillator output as low as
receiver possible
ground binding post, to avoid a -v -c action.
low and
cmshaanoCrwkannsloibthriaanbvteieotnuhbseeeeMdnaacfsocrtokrammsr.ep-pfaTeendrhyeeinnicngteutnhdideunrrgaipwnlgdainitaegal .loiignsTnmhftaheesesnteet.fnreomTdnhat iernkroesfftohtreahereeccacabuhlisianbeserdstaistiaofnonadrs
reference during alignment.
Dial Indicator Adjustment.-With the gang the indicator should be set to tf.e extreme left
condenser in full (low frequency)
mesh, mark
on the dial scale.
Steps
1 2 3 4
Connect the high
to- side of the
test-osc. Ant. terminal Ant. terminal
Ant. terminal in series with
200 mmfd.
to- Tune test
ose.
Turn radio dial to
Adjust the following for maximum
peak output
455 kc
C3 and C4
Quiet Point (2nd I -F trans.) between
1,720-1,500 kc Cl and C2 (1st I -F trans.)
1,500 kc 1,500 kc calibration
mark
C6 (ac.)
C5 (ant.)
800 kc
600 kc calibration
mark
L1 (osc.) (Rock in)
5
Repeat step 3.
After mounting chassis in cabinet, check the dial calibration on
stations pointer
of to
known frequency. If calibration is not correct, agree with dial calibration. Note.-Oscillator tracks
move above
signal.
®John F. Rider
SET POINTER Y4: LEFT OF THIS MARK.
DRUM SHOWN WITH GANG AT MAXIMUM CAPACITY.
M Sua9
Dial -Indicator and Drive Mechanism
TUNING CONTROL
VOL. CONTROL -51 POWER SW.
LC
C, 4535KCC4
R IF
TRANS.
v v
A G
01,02
455 KC.
239 DET AF-AVC
Tube and Trimmer Locations
For other data,see P.15-3
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-31
YOiDBLB 581,567C2,
5623,Ch.RC-1011
U
12'367
CONVERTER
bJTTOM VIEW OF
TUF.E SOCK5-S.
9E2
12SK7
I.F AMPI
12SO7
2ND. DET-AP. AVC
35L6GT OUTPUT
o 5.6V
4.712
(.0
96V
LOOP
C1'i I4C13
M -456.6 3CS
C4
.01
I
®1 tl
RI
3900
o; _
020
e66, D
2Nh I F
GPM
-s TRn1t5.
r
c'e' ó 759160
75-16I0Y._.--' ó
L a
*-14)4
si
APPROX
MAX. AVC.
1 55iL
15n
20
1
J Z
pp
R5
RG
120
Roy RED TI
V
.02
I 30 - R7
2R820 470M
'' 1110%
52
TONE
R11 2fl
200
CONTROL
C.00118
.c3 L7
e C 15
o 1-8
ll
7`(.."3).147.6
CIA 3-25
2.S9n.Q0C
RS
MEG
!F-7.51/ L.F.-6V.
H.F.
I2J5GT
OSC. ©
o 100Y
5
R2
22M
Rio 220M
3.3 MEG
C7 VOL. CONTROL
500,000 n RIE
STOP AT
50,000.:
3575GTA
R EC T.
R9 14.7 ME6
a C20 -
0 MFD.
1
C0.212
/777
CHASSIS GROUND
- -B-
IHUIL ATE., .OMMON Wilt NI, INSULATED F'HCM CHASSIS
)SZS6 L7/R
A3
4
5
1
.
2
3516.7 t2J5'eT 12567 125[7
SI ON VOL. CONT.
DIAL LAMP ( MAZDA s 51)
P -92045A
VOLTAGES SHOULD
HOLD WITHIN *20%
WITH 117V. RATED SUPPLY VOLTAGE.
* MEASURED WITH
CHANALYST OR VOLTOHM YST.
ALL VOLTAGES ARE
MEASURED WITH
as0i
uJ C 21 50,
MFO.
-a. RESPECT TO COMMON
M - 1000 OHMS
3 12507 m
On some models C8 and C9 may be separate capaoitors
STOCK No.
DESCRIPTION
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES
RC 1011
37359 Capacitor-Comprising 1 section of .0003 mid. and 1 section
70712
70852 70711 70635 70615 70817'
CCCCCCaaaaaaoppppppf aaaaaacccccc.0iiiiiitttttt0oooooo5rrrrrr------mPPPPPPiaaaaaadpppppp. eeeeee(rrrrrrC-8.....000000.,11203515C8m-mmm9mi)iitmddddid....i..,,.d,.8744,05000000090000vvvvvoooovollllttolttsstsslsts((C((C(CCC(----C1-7222,.-32)1))C0C)--31,1)C-4)
39152
39824 36226
CCCooavniplo-dalOectsni,stsocearir-ln-EldaVlteoa1crrtsireaoccboltyililoetinc(L,t-uo7fcn. oi5nmL0g-p9m,ricsLiodi-n9n..g)de1I5n0sseevrcotlito(sCn-1(Co2f,-203C0, -mC13-i2.d1.).C-I1S4O,
C-1S)
36242
3x34
70592
CCCooorrnddt--roDPlo-rViwvoeelrucmocroedrdc(oanptprroolxa. n4d9"
power long)
switch
(R-12,
S-1)
36237 Drum-Drive drum
38238 37088 39821.
11765 38229
36230
30189 6134
IILPPRRLnnolueeadadolssmtiilpiieccessp-aaytt-Aoo-tDt-oDorrDn--rri11--iartaSSe2i2lvlntt00aaben0lttaaaiiocmoocohkonnhpmlromdposs,sspleae.pltl1e(uee/LI4ccl-tltw1oceow)oyraramtttiitpnn(ldd(eRRiitcc-e-al6alt))twoorrithffooprru5l56l8eX3y2s3anldess56dXi2al
30854
30733 30492
'RRReeesssiiissstttooorrr---231235,0000000oohhommhmss,,s,11/4/41/w4wawatttattt((1R1(--R14))-2)
14583 Resistor-220,000 ohms. 1/4
3313382006789688234581887SRRRRheeeeassssiiifissssttttt-ooooTrrrru-----134n4S..7i37n0g,m0mm0ekee0gnggooooohhbhhmmmmsssss,h,,,a1/f1V14t//444
watt watt watt watt watt
(R-8, (R-7) (11-3)
(R-5) (R-9)
R-10)
..
1. Dress output chassis.
plate
bypass
capacitor
(C-11
.02
mf) against
2. Dvorelussme35Lco6GntTrolp, lalteeadlseaadnd(retde)rmaingaalisn.st chassis and away from
3. Dress audio coupling capacitor 35L6GT heater leads.
(C-7
.02
ml)
away
from
4. Dress tone control lead against front apron.
5.
Dress 2nd 1-F yellow and bypass capacitor (Cll. .02
brown leads away from mt.) and away from all
output heater
plate leads.
6.
Dress lead washer.
to speaker voice
coil
away
from
tuning
shaft
"C"
7. Dress tone control oscillator coil.
capacitor
(C-10,
.0018
mi.)
away
from
8.
Dress all uninsulated leads away from from chassis to prevent short circuits.
each other
and away
9.
Dress blue and shields leaving
egxrpeoesnedlelaednsgthofs
both IF transformers back nc short as possible.
in
34449 37605 31418 36228 70411 70412
36800 33726
Socket -Lamp socket
SSSTowpracriniktncseghfto---rDTTmuoreibnrvee-eFssicowroscirkttdcehIt.,tFe.nm(Ss-toi2roua)nnldsefsdoprrminegr (L-3, Transformer -Second I.F. transformer
(.-4. (L-5.
C-16, L-6,
C-17) C-5,
C-6,
TWrCaans-hIs8feo,rrC-m"-1eC9r)-"Ouwtapsuhtertrfaonr sftuonrminegr
(T-1)
knob
shaft
70413
SPEAKER ASSEMBLY
82510.1
Speaker -5-inch PM speaker, complete
NOTE:
aImssfgtcrerruinespmttetaiemopnwnatp,riittnohenfguapmbbaoyborntevrreresefspqetsearuprmaieirknapegekdered.rtiononnumimsnopsdbeteeralruk,menoreurndmatenbrdedrroefeuposllflacndieoent---
MISCELLANEOUS ASSEMBLIES
39933 70409 70415
X1604 36890 36891 39954 70410 37831
CCDFBBBBDalliaaaoiaaaasacccalmmtnlkkkr-e--ddG--ppnGCCC--e-BlD5larDaaaa6-abbbsXPisifiasiias2fnunnllleeseeddhtctticibalalaolabblbmfmaaaaassrccpcpsccdkkk,t,aaellnffareeflooieonegrrfrrdffhtoo35trr566h(g16hXXa5rXSai8n28lns3XdlXeed3,t),acfnlffooodortrrh
56X and S6X and
56X2
cabinet
58X2 56X2
backs
on
56X
33008 70414 38722 30900
FKKSeonneoortibbn---RCqC-uooRbnnebtttrreaooirlnl ifknkengenotobsbfoo(rr(wiinvcaqoalnrbyufio)ntr)eftkoforn(r4o5b58r6eXXq2uainredd)56X3
Frequency Range Intermediate Frequency
Power Output Undistorted Maximum
540-1600 kc 455 kc
1.0 watt 1.5 watts
Power Supply Rating 105-125 volts, AC, SO or 60 cycles. ar DC
30 watts
Pilot Lamp Tuning Drive Ratio
Loudspeaker (92510-1) Type V. C. Impedance
Mazda No. 51. 6-8 volts. 0.2 amp.
20:1
5 -inch PM 3.4 ohms at 400 cycles
©John F. Rider
For alignment and other data,see P.15-26
www.americanradiohistory.com
PAGE 15-32 RCA
MODEL 56X5
ChRC-1023
RCA MFG. CO.
N J
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Etc"'
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©John F. Rider
www.americanradiohistory.com
\\
' ' dc,fsP.%íLaticci /F
RCA MFG. CO.
RCA PAGE 15-33
MODEL 56X5
MODELS 61M5,61-10
94) S3
REAR
80
R.F. AMP.
125G7
20
LZ
LI
4
SEC
J ip Ie L 4
4
¡
1 7
777T
bM C221 -7- I G21 20
1
w AVG
e 1ST. DET. OSC.
L5
12 SA7
0.2
C2 SF
A
5+
AVC C29
RI2 C19
-B CHASSIS GROUND
INDICATES COMMON WIRING INSULATED FROM CHASSIS BY
220 R(R12)AND 0.IMF (C19)
Cl
GANGE D
C28
LO
2ND. DET.
\
C15
AF-AVC
OUTPUT
BAND -SWITCH SHOWN AT 1ST POSITION.
540-1620 KC (MAX. HIGHS)
NOTE: MODEL 56X5 THE SAME AS ABOVE EXCEPT THAT COND. C32 15 OMITTED.
12SQ7
C30
35 L6GT
NOTE :-
C8
114 C 32 OMITTED
IN MODEL
56X5
S2
FRONT
b
3
Q10
R)
Bi -
0.10 E 7
WIRING FOR 2 ND. POSITION
BAND 5W. 52 15 OPEN HERE IN POSITION 1
FOR MIN. HIGHS THE SECOND POSITION OF SWITCH ADDS THE COND. C8 THEW CONTACTS 3 e 4 OF RANDSW.52
e 1ST. DET. OSC.
9
12 SA7
C23
E
LIO
L11
R3
0.12 C19
R4
L
52 FRONT
-0
A
L
Ct9
L7
pL 6
CHASSIS GROUND INDICATES COMMON WIRING INSULATED FROM CHASSIS BY 220 1L(R12)AND 0.1 MF (C 19)
1
C15
I C28
0271
C.7ó
11
L
cTC1
cI
z
1z
53 REAR
2ND. DET. AF-AVC 12SQ7
BAND -SWITCH SHOWN
AT 3RD POSITION CLOCKWISE
NOTE : -
8.9-12.0 TAC (MIN. HIGHS)
MODEL 56 X 5 THE SAME AS ABOVE EXCEPT THAT CONE. C32 IS OMITTED.
IC14
Z- NOTE :-
C8 4
C 32 OMIT TED
NMODEL56X5
3
R+
e
OUTPUT 35L6GT
C10
9.10 2 7
©John F. Rider
www.americanradiohistory.com
PAGE 15-34 RCA
MODEL 56X5,Ch.RC-1023
MODEL 56110,Ch.RC-1023B
RCA MF G. CO.
Critical Lead Dress
Models 56X5 and 56X10
1. Dress blue and green leads of both I -F transformers back in shield cans, leaving them as short as possible
2. Dress R -F plate filter capacitor ;C2, 0.1 mf.) back against rear chassis apron.
3. Dress yellow and brown leads from 2nd I -F away from all other leads.
Test Oscillator.--Connect high side of test oscillator as shown in chart. Connect low side through a .01 mf. capacitor to common "-B." Keep the output signal as low as possible to avoid A.V.C. action.
Output Meter.-Connect meter across speaker voice coil. Turn
volume control to maximum clockwise position, station selector
switch to broadcast maximum high position (pos. 1), for alignment and to position 3 for high frequency band.
broadcast
4. Dress all heater leads next to chassis. 5. Dress capacitor (C13, .01 mf.) parallel to osc. coil and approxi-
mately 3/16 inch from coil.
Dial Pointer Adjustment.-Rotate tuning condenser fully counterclockwise (plates fully meshed). Adjust indicator pointer to left (max. cap.) mark on dial back plate.
6. Dress tone control lead and speaker field leads next to chassis and front apron.
7. Dress pilot lamp leads away from ant. coil.
Calibration Scale.-The glass tuning dial may be easily removed
from the plate.
cabinet
and
temporarily
attached
to
the
dial
backing
8. Dress leads from loop ant. coil around rectifier tube towards end of chassis.
9. Dress output plate lead against chassis.
Power Supply Polarity.-For operation on d -c, the power plug
must be inserted in not function, reverse reduce hum.
the outlet the plug.
for correct polarity. If the set On a -c, reversal of the plug
does may
C20
1300 KC
C29
11.8 MC
6C0300 KC
Connect high
Steps
side of the test oscillator
to--
Tune ose.
ttoes-t
Adjust the
Turn dial
rtaod-io
following for maximum
peak output
1
Pin #8 of
12SA7
in series with
2
0.1 mfd.
455 kc
C25, C26
- Quiet Point
at 1,600 kc
2n-d--I--F-t-r-a-ns--.-
end of dial C23, C24f
1st 1-F trans.
3
600 kc
600 kc
C30 (osc.)
"A" Band frock gang
4 Ant. terminal 1300 kc in series with
1300 kc "A" Band
C28 (osc.) C20 (R -F)
220 mmf.
Repeat 3 Rocking gang
SHOWN N/111-4 >T MAX. CAPAC
STOCK No.
Mosel btiXb
DESCRIPTION
B
Repeat 3, 4 and 5 for exact cal.
Ant. terminal 7 In series with
0.1 mid.
11.8 me
Ant. termiral 8 in series with 11.8 me
47 mmf.
9
Repeat steps 7 and 8
11.8 me 11.8 me
C29 (osc.)' Rock gang
C22 (R -F)
Rock gang
Use minimum capacity peak
for selection of 10.9 me where
correct peak by a weaker signal
if two tuning should
can be obtained. Check receiver to approximately be received.
Do not readjust C25 or C26
MEM
STOCK No.
DESCRIPTION
39606 39622 39632 70417
39839
39640 70627 70712 70652 70711 70635 70615 70617 39152
70416 39892 70418 39838 36242 32634 70392 36237 37068 11765 70980 39841 36229
36230 30189 30731 6134 30492
CHASSIS ASSEMBLIES
RC 1023
Capacitor-Mica, 12 mmf. (C15) Capacitor-Mica, 56 mmf. (C4) Capacitor-Mica, 150 mmf. (C3) Capacitor-Mica trimmer, 140-250 mmf., mounted on an-
tenna coil (C22) Capacitor-Adjustable mica, comprising 1 section of 190-
260 mmf. and 1 section of 450-600 mini. (C29, C30) Capacitor-Mica, 330 mmf. (C9) Capacitor-Paper, .005 mfd. (CIO, C12) Capacitor-Paper, .0018 mid. (C8) Capacitor-Paper, .01 mfd. (C1, C13) Capacitor-Paper, .02 mfd. (C7, C11) Capacitor-Paper, .035 mfd. (C14) Capacitor-Paper, .05 mfd. (C16) Capacitor-Paper, 0.1 mid. (C2, .219, C31) Capacitor-Electrolytic, comprising 1 section of 30 mfd.,
150 volts, and 1 section of 50 mfd.. 150 volts (C17, C18) Coil-Antenna coil (L3, L4, C22) Coil-Oscillator coil (L6, 1.7, L8, L9) Coil-Peaking coil (L5) Condenser-Variable tuning condenser (C20, C21, C27, C28) Control-Volume control and power switch (R7, SI) Cord-Drive cord (approx. 49 inches overall length) Cord-Power cord Drum-Drive drum Indicator-Station selector indicator Lamp-Dial lamp Lead-Antenna lead Loop-Antenna loop (1.1, L2) Plate-Dial back plate complete with drive cord pulleys
less dial
Pulley-Drive cord pulley
Resistor -120 ohms, 1/4 watt (R1, RII)
Resistor -1200 ohms, 1/4 watt (R2)
Resistor -1200 ohms, Resistor-22,000 ohms,
1
watt (R13) 1/4 watt (R4)
14583 30648 12928 30931 38785 36897 34449 37605 31251 31418 39837 36800 70411 70412
33726
Resistor -220,000 ohms. 1/4 watt (R3, R9. R12)
Resistor -470,000 ohms, 1/4 watt (RIO)
Resistor Resistor
--43..73
Resistor -15
megohms, megohms, megohms,
t/4 watt (R6) 1/4 watt (R8) 1/4 watt (R5)
Shaft-Tuning knob shaft
Socket-Lamp socket . Socket-Tube socket, moulded
Socket-Tube socket, wafer
Spring-Drive cord tension spring
Switch-Range switch (S2, S3) Transformer-Output transformer (T1) Transformer-First I -F transformer (L10, L11, C23, C24)
Transformer --Second 1-F transformer (L12, L13, C5, C6, C25,
C26)
Washer-"C" washer for tuning knob shaft
SPEAKER ASSEMBLY
92510-1
70413 Speaker---5-inch P.M. speaker complete with cone and voice coil
NOTE:
11 stamping on speaker in instrument does not agree with above speaker number, order replace ment parts by referring to model number of ínstrument, number stamped on speaker and full description of part required.
39777 70419
33006 X1337 36886
36722 30900
MISCELLANEOUS ASSEMBLIES
Back-Cabinet back Dial-Glass dial scale Feet-Rubber feet for cabinet (4 required) Grille-Cabinet grille cloth Knob-Range switch knob Knob-Volume control or tuning knob Spring-Retaining spring for knob
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-35 MODEL 56X10 Ch.RC-1023B
12557
R.F.
OBFOTTTuObMs
VIEW SOCKETS
L1 -L2-4.4'
12 SA 7 1ST. DST AND OSC.
P I? -.2.V20WK
125K 7
1. F.
90 Y.
1255.7 2ND. DST. -
_ AV.C.
35L5 GT/G OUTPUT
B
R3
[KA5515C01
9 5 4 e!
/
1200 220 K
OY.
L16
LOOP TERM'S'S/
BN. (940K11,
-IOY. (160ONC)
RI
- 4. (8.9Mr) 754. (12 MC)
120
R4 22.K .MI
152 I.F. TRANS. CI
1,
pl()E
IN
IX
GAM
C24
C25 ¡ 75-160Y
75-
I
51 e 537.6'
15
52
^ (FRONT)
2
i
x
. 10
9\
30
.---so-.
4 L1 212
12
9
S9 (PEAR)
8É5 G
2
r_13
-LCB) LQ49 21 W[
.01
L62)65n)
(2)
22I1-
C3`2`<7 C0I0gq5
50
VA ISS
591.6T 2 -IS
Z COS
CSC. CSC. 0
3 POSITION RANI .WITCH SNOW
IN POSITION NO. I (MAG. CC w.)
N9NO0O..12.3-59-8440.09---1I1D26-22.00OKKMCCC...
MAK. 1-1161Í5 MIN. HIGHS. MIN. HIGHS.
3
N 2ND. I.E. TRANS.
75C-1265p1s '
d c26
RED I
C31
1
I0.25 ^I,r
L12 II:
i '
t
1 T1/ 120 BLK I C6
¡l
RG í
3.3ME4f:`
I
1
5T0 07
500
`
K`
VOL.(p2
q1TTQ<
50 K
j¿6 tS
,COZ
4
T33o
MEG. 1
Ui
35 25C 2/G
RECT.
..OBT MTO,TERM.
120 V.
-1- C16
.05
CIB
MF
I CHASSIS 7118 GROUND
1 INDICATES COMMDH
- PLLASsISTED
FRO,+
5515
K-1000
* MEASURED WITH ANALYST OR .IOLTORMYST
VOLTAGES SHOULD
HDI.)
420%
wITH
WLT
4U, 'LY7
C.
AK VOLTAGES MEASURED
ARTEH RESPECT TO
+[1T
0
FMCC,
SI ON VOL CONTR.
6 !ß Z 5Gv6
2
361.G.GT
2
7
7
O(1441UA«51¡
Note:
12167 7 2
12 5.47 7 2
12fK7 12607 . 7
On some sets C31 may be 0.2 mfd.
STOCK No.
DESCRIPTION
IF MAX 455 KC
DESCRIPTION
CHASSIS ASSEMBLIES
30492 Resistor-22,000 ohms, 3/4 watt (R4)
RC 10235
/ 39612
39612
39632
Capacitor-Mica38785 70417
Capacitor-Mica, Capacitor-Mica, Capacitor-Mica,
22 mmf. 2 mmf. 150 mmf.
a
trimmer,
tenna coil (C22)
-
(C15)
(C4) (C3, C32) 140-250 mmf.,
mounted
'on an-
39839
39640 70712
(C8)an 70627
70652
voltsC13 707115
70635 70615 70617 70618 39152
-5 70416
39892 70418 70700 36242
32634
70392
CCCCCCCCCCCCCCCCCCoaooaaaaoooaaaaaao21rpppppniriipppppp56ndllldataaaa00-aaaaaa--d-rc-OccccAPccccccoeDPiiiiiviiiiiimetlsnrttttntotttttoo-ooooacooooooismVtlwrikrrrreertvrrrrr-ls----f-o-----nirlEee.TTTT,MnATTTTa-lnrluVtuuuugaaeuuuuodacimnnbbbbccabbbbcorjtdduuuuuoarrcuuuuecridro,llllscoolllladaaaai1taaaaoi1lclbalrrrryi3rrrr(os,,,,llbs,,,,3tae(enei0l(Lpcc.00(Ltec.....05L0pr0000.t.,tt321)3o2ir15m0i60u3,oo55lo,15mnnmnx8mmcLmmi.mLaion4mfmcfinff7,o,mgomddiaddf4,fdfdf..d,d.9.piC,.(c5L.d.Cr42o708.c44pi15926i0sn64,00oo00))0n0i8m00d00m0-nw0c000L60egih009pvvednvev0)roorvv.sosov,iolelo1slltottmsrliltss1osttnwlsss5vtmsg(s(,0ei(eCCt((CfrccCC.2((7a(v2t1CCh0C11il,o,(ol,346l1.Cl(s1n))tC0C(2se)R,l19c2e79,o(t1CniC,)f,og1C1tn)CS273h3)l2,0)0)7)oC,f 1mC81i)29d80.)-,
14583 30848 12928 30931
36897 34449 37605 31251 31418 39837 70411 704112 70412
33726
70413
Resistor-220.000 ohms, 1/4 watt (R3, R9, 512)
RReessiissttoorr--437.30,0m00egoohhmmss,,
RShesfitstor-I5
megohms, menob
1/4 1/4i
Shaft-Tuning knob shaft
watt watt watt watt
(RIO) (R6)
)
(R5)
Socket-Lamp socket
Socket-Tube socket, moulded
Socket-Tube socket, water
Spring-Drive cordswitceh (S2,n spring)
Switch-Range Transformer-First
-trn( sfo3r
Transformer-First I -F
r (L, L,
23,C5 C24)S.
Transformer-Second I-F transformer (L12; L13, C5, C6, C25,
C26)
Washer-"C" washer for tuning knob shaft
SPEASER ASSEMBLY
92510.1
Speaker -inch P.M. speaker complete with cone and voice coil
NOTE:
If stamping on speaker in instrument does not agree with above speaker number, order replace'pent parts by relerrinq to model number of In. strument, number stamped on speaker and full description of part required.
36237 Drum-Drive drum
37068
11765 70980
LILneadamidcp-aA-tDonrit-aeSlntanlataimonlpea(dsMelaezcdtoar
indicator
51)
39841 36229
LPlolaeotseps--DAdiniaatllenbnaackloopplat(eLl,coLm2)plete with drive cord pulleys
36230 30189 30731
6134
Pulley-Drive Resistor -120 Resistor -1200 Resistor -1200
cord pulley ohms, )/4 watt ohms 1/4 watt ohms, I watt
(Rl, R11)
(R2)
(R13)
39953 36890 38891 71323 71310
3688637831
36722 71281 30900
MISCELLANEOUS ASSEMBLIES
Back-Cabinet back Clamp-Dial clamp-left hand Clamp-Dial clamp-right hand Decal-Trade mark decal Dial-Glass dial scale Fastener-Push fastener for c dbinet back (1 set) Knob-Range switch knob Knob-Tuning knob Knob-Volume control knob Spring-Retaining spring for knobs
Frequency Range Broadcast Short Wave Intermediate Frequency
Loudspeaker (92510-1) "PM" Size V.C.Impedance
540-1600 kc 8.9-12 me 455 kc
5 -inch 3.4 ohms at 400 cycles
Power Output Undistorted Maximum Power Supply Rating 105-125 volts, AC, 50 or 60 cycles, or DC
1.0 watts 1.5 watts 30 watts
©John F. Rider
www.americanradiohistory.com
PAGE 15-36 RCA MODEL 56X10 3Ch.RC-1023B
\\
eci sc
RCA MFG. CO.
R. F.
125G7
LS
53 REAR
80
L4
SEC.
C21
20
1
1 77777
-+..
\ C20 \C21
1
\ \GANGED
CZ
r -4 o
05 2 ND DET.
AF - AVC
T
CI
12597
6
OU'FPUT
35L¢GT/G
3 4
IN DAND-SWITCH POSITION NO1
(MAR. HIGHS) CS IS DISCONNECTED
C3 RZ
R3 R1 Bt
1 DET. E 05C.
12 5A 7
5
a
C23
o
.__.
L,1
L10
2
7
R5
R4
C19
Rit
-B
C4
C14
AVC
C29 L9
LB
CHASSIS GROUND
GANGED
L7
L6
C27 IC28
_L
-r- C30TC32
INDICATE5 COMMON WIRING INSULATED FROM CHASSIS BY
SI2-220N( C15 -O.i MF
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE BROADCAST BAND (MIN. HIGHS)
540- 1620 KC
R. F.
125G7
5
77777
C20 \C21
52
FRONT
.4
33 05 REAR'
2 ND DET.
AF- AVC 12597
\GANGED
C2
OUTPUT 35L6GT/G
RIO
( 1 DET. 05C.
125A7
III III
C23 L11
L10
C19 R5
R12
-B
C4 Bt
C1= AVC
-7--
C29
L9
1
71i CHASSIS GROUND
L6 C13
L7
C12
INDICATES COMMON
-I-
_I
C,S
T C27C
WIRING INSULATED FROM -
CHASSIS BY
RI2-220N (CN -0.1 MF
30
1
B+
2 -1-C 39a
1
2
53 REAR
BAND -SWITCH SHOWN
AT 3RD POSITION CLOCKWISE
SHORT WAVE BAND (M1í11. HIGHS) 8.9-12.0 M.G.
@John F. Rider
www.americanradiohistory.com
R1.F2 A5'GPL7.
MT 1O2I5TA.a7n.
RCA MFG. CO.
;/2 5K7
I.P PL.
-A.f 125427
240.
AK.
RCA PAGE 15-37 MODEL 56X11 Ch.RC-1023A
535L6GT
O(/
7 L5 -fn
150 R2 1200
2 7
R12 220 K
CZ 0.1 Y1F.
y C19
0.1 /AF
R1
120
R3 220K
15T. I.F. TRANS.
BLU Ill
4I ` 63y. ri75-qq 160.O(
III Gam
C53
75-'.
KO
5
L _
LI0
6AT
LI1
eñ
-
b
dJ
2 ND. I.F. TRAN3.
Ir L12 LIS
y_ 17A 17A I
C3rr.i
G
7
1t52v.
C10 .005
_C9 MF.
330
-.13 112 V .NP. T/
CII
2 7 .02
á MF
R9 220K
R10
470K
.00OT.00113
MF
R11
120
R13 1200
Le
,4 TC20
2n
O /S'!f0 !1
L2 211
1r5C02-3340
LI
©
.01C1MFT
C21
!¡1`6-530
1
S2 (FRONT) C22
1--S.A/s4 R4 22K
ANY'
R5 15 MEG.
4
6
C26
©
22
C24
e-1030
8
N.M
R6 3.3 MEG
ií -8V.
MAX AVC
- F- C29 220 II
C27 16-530
I
C 28 2-15
83 V.
R7
V5O00LK.tCt-- ON,TR.{^^1
S7I7PAT50K)))))_
.022 NF. 4.E6,
35T5G-1/2 RECT
G
LC16 -.051411FF.
120V -. 61 MA.
Ko THou SAN D.
C
W
O
CS17OMhL,1C3016MF.
-5. ALL VOLTAGES ARE MEASURED
WITH RESPECT TO COMMON
BLK_
t VOLTAGES 20% WITH
SNOULD 1401.0 117V SUPPLY.
WITHIN
W MEASURED WITH CHANALYST OR VOLTOHMS ST.
CHASSIS GROUND
INDICATES COMMON
II
J.. WIRING INSULATED FROM CHASSIS.
LOOP AHT. TERM. VIEW)
5 2(R EAR)
RANGE 5W. VIEWED IN POSITION NO.1
FROM ( MAX.
FRONT AND SHOWN COUNTER CLOCKWISE)
5 POSITION NO.1 - BROADCAST MIN. NIGH
POSITION NO.2- BROADCAST MAX. 111GN5.
POSITION NOS -SHORTWAVE MAX 11IGH5.
/I7V
8A0C
OC wA7TS
=.0C3145 MF
ON VOL. CONTR
.
Si 5GT/G 6
2
7
V DIAL LAMP
(MATRA 51;
mew1.76725 RSA7
5
2
RESISTANCE VALUES LESS THAN ONE OMM ARE NOT SHOWN.
121X7 125G7
P-92SISSA
Note: On some models, electrolytic capacitor (C17, C18) may be 20 Mfd./30 Mfd. The AVC bypass capacitor, (C14) may be .030 Alf.
OUTPUT
TRA N5.
FREQUENCY RANGE
NEUTR. COI L
Broadcast Short Wave Intermediate Frequency.
540-1600 kc 9 4-15.5 me
4S5 kc
RECT.
TUBE
u
u ELECTROLYTIC CAPACITORS COMMON WIRING INSULATED FROM CHASSIS
VOICE COI L
CHASSIS GROUND
CONNECTIONS FOR
ELECTRO-MAGNÈ TIC
SPEAKER
TUBE COMPLEMENT (1) RCA-12SG7 (2) RCA-12SA7 (3) RCA-12SK7 (4) RCA-12SQ7 (5) RCA -35L6 -GT (6) RCA-3525 -GT PILOT LAMP POWER OUTPUT Undistorted
Maximum
IF
R -F Amplifier 1st Det.-Osc.
I -F Amplifier 2nd Det., A.V.C., and A -F Amplifier
Power Output Rectifier
Mazda No. 51, 6-8 volts, 0.2 amp
1 0 watts I S wash
PEAK 455 'KC
SHOWN WITH GANG AT MAX. CAPACITY
LOUDSPEAKER 92510-1 Size V.C. Impedance
POWER SUPPLY RATING 105-125 volts. AC, 50 or 60 cycles, or DC
CABINET DIMENSIONS
\Vidth 121{4"
Height 7,3V
5-inch PM 3 4 ohms at 400 cycles
30 watts Depth 23C
DRIVE CORD
aY2 TURNS
©John F. Rider
DC 4
www.americanradiohistory.com
PAGE 15-38 RCA MODEL 56X11 Ch.RC-1023A
scitemptair:ceirr
RCA MFG. CO.
v
3
L3 PRI.
R.F. MAP.
12 SG7
1 52 -F0R-ONT 1
L1
e 1ST. DET. OSC.
12 5A7
R9
0.
R5
R4
C32 D+
/ a
110
L11
L2
C21 /
/ C1
l
GANGED
D+
52 REAR C2D
44C
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE BROADCAST BAND PAX. HIGHS)
540- 1600 KC.
T C14 {1
/1 CHASSIS GROUND
INDICATES COMMON WIRING INSULATED FROM CHASSIS DY 220 R (R12) AND 0.1 MF (C IS)
L9 2ND. DET. AF-AVC 12 SQ7
OUTPUT
3
35L6GT
14
1
5
CO CI
C
52p5
R9 REAR'
3 e+ -
1
R10 2 7
POSITION NGS AT SL ADDS THE CO AS SHOWN 550V
OTHERWISE SAME A5 POSITION NO. 2 SAND- SWITCH POSITION 1 (MIN.NIGNS
L4
L3
R.F. AMP.
12 SG7
B
C20 52 FRONT
O-. O 2
C23
L1
L_I_
C21¡T 7~ C22
C1
/'
GANGED
i
AVC
'11
15
C3
1ST. DET. OSC.
12 SA7
R2
St
R9
2
R5
R4
D+
C32
CHASSIS GROUND INDICATES COMMON WIRING INSULATED FROM CHASSIS DV 220 N(R12)AND 0.1 MF (C IS)
BAND -SWITCH SHOWN
C14Z
AT 3RD POSITION CLOCKWISE
SHORT WAVE BAND (MAX. HIGHS)
9.4-15.5 MC.
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-39 MODEL 56X11,)
Ch.RC-1023A
Alignment Procedure
Test Oscillator.-For all alignment operations, keep the output as low as
possible to avoid a.v.c. action.
Output Meter Alignment.-If this method is used, connect the meter across the voice coil, and turn the receiver volume control to maximum.
Calibration Scale.-The glass tuning dial may be easily removed from the cabinet and temporarily attached to the dial backing plate for quick reference during alignment.
Power Supply Polarity.-For operation on d -c, the power plug must be inserted in the outlet for correct polarity. If the set does not function,
reverse the plug. On a -c, reversal of the plug may reduce hum.
Critical Lead Dress
I. Dress all heater leads down to chassis.
2. Dress excess leads from I.F. transformers back into cans, also blue and green leads should be dressed near to chassis.
3. Lead from band switch, terminal four, to C-24, should be dressed toward front apron and just clear of oscillator coil.
4. C-29, on band switch, connected from terminal three to terminal four. should be dressed toward rear of switch assembly.
5. Excess dial lamp leads should be dressed on top of chassis.
6. C -1L output tone control condenser, should be dressed close to chassis
to clear when entering cabinet.
e
7. Power cord should he dressed free, and not under any other leads.
8. C-4 should be dressed clear of any other components or wiring and away from chassis.
9. Lead from tone control condenser. C-8, to hand switch -terminal five, should be dressed over oscillator coil and oscillator ',adders C-24. C-25.
10. Lead from short-wave antenna coil to loop antenna should be to the right (outside) of 35Z5GT/G.
I1. Leads to loop antenna should be dressed between I.F. transformer and 12SA7.
12, Yellow and brown leads from second I.F. transformer to volume control should be dressed up and away from chassis.
Connect high side
Steps
of the oscillator
tetost-
Tune
Osc.
totes-t
I.F. grid
1
in series with
.01 mid.
455 kc
12SA7 grid
2
in series with
.01 mfd.
Turn dial
rtaod-io
'A' Band Quiet ooint
at 1600 kc end of dial
Adjust the follow ing for maximum
peak output
C34, C35
2nd I-F trans.
C32, C33
1st I-l'trana.
'A' Band
3
600 kc rock gang C25 (BC trimmer)
near 600 kc
Antenna terminal
4
on loop
1600 kc
1660 kc
in series with
220 mmf.
Rock gang
5
600 kc near 600 kc
C28 (Osc.) Recheck C25
6
1300 kc
1300 kc
C22 (r.f.)
7
Antenna terminal
---8
on loop
in series with
22 mmf.
9
15.2 mc.
'C' Band
-rock gang
near 15.2 mc. 15.2 mc.
"Mce"n-"te1r9oMf "
9.5 mc.
9.5 mc.
C20 (ant.) on top of S.W. ant. coil
C24 (Osc.)
C23 (r.f.)
10
15.2 mc.
15.2 mc.
Recheck C20
*Use minimum capacity peak, if two peaks can be obtained. Note.-Oscillator tracks 455 kc above signal on both bands.
STOCK No.
32979 37388 70701
39612 39622 39632 39640 71014 70712 70627 70652 70711 70635 70615 70617 36301
70842 70843 39894 70700 36242 70392 32634 36237 37068 11765 31193 70841 36229 36230 30189 12267
6134
DESCRIPTION
STOCK No.
CHASSIS ASSEMBLIES
RC 1023A
Capacitor-Mica trimmer, 15-150 mmf. (C20) Capacitor-Mica trimmer, 50-300 mmf. (C23) Capacitor-Mica trimmer, I section 500-750 mmf. and I section
10-50 mmf. (C29, C25) Capacitor-Mica, 22 mmf. (C26) Capacitor-Mica, 56 mmf. (C4) Capacitor-Mica, 150 mmf. (C3) Capacitor-Mica, 330 mmf. (C9) Capacitor-Silver mica, 220 mmf. (C29) Capacitor-Tubular, .0018 mfd., 800 volts (C8) Capacitor-Tubular, .005 mfd., 600 volts (ClO) Capacitor-Tubular, .01 mfd., 800 volts (CI)
Capacitor-Tubular, .02 mfd., 700 volts (C7, Cll)
Capacitor-Tubular, .035 mfd., 500 volts (Ct4) Capacitor-Tubular, .05 mfd., 400 volts (C16) Capacitor-Tubular, 0.1 mfd., 400 volts (C2, C19, C31) Capacitor-Electrolytic comprising 1 section of 30 mfd., 150 volts and I section of 50 mfd., 150 volts (C17, C18) Coil-Antenna coil (L3, L4) Coil-Oscillator coil (L6, L7, L8, L9) Coil-Peaking coil(L5) Condenser --Variable tuning condenser (C21, C22, C27, C28) Control-Volume control and power switch (R7, SI) Cord-Power cord Cord-Drive cord (approx. 49" overall length) Drum-Drive drum Indicator-Station selector indicator Lamp-Dial lamp Lead-Antenna lead Loop-Antenna loop (LI, L2) Plate-Dial back plate complete with pulleys Pulley-Drive cord pulley
Resistor -120 ohms, ). watt (R1, R11) Resistor-l200 ohms, ). watt (R2) Resistor -1200 ohms, 1 watt (R13)
30492 14583 30648 12928 30271 38785 36897 34449 37605 31418 70676 70697 70698 70699 33726
70413
39953 70702 36890 36891 37831 36722 30900
DESCRIPTION
y Resistor-22,000 ohms, X watt (R4)
Resistor -220,000 ohms, watt (R3, R9)
Resistor -470,000 ohms,
Resistor -3.3
y Resistor y Resistor
--41.57
megohms, megohms, megohms,
). watt (RIO)
ïa watt (R6) watt (R8) watt (RS)
Shaft-Tuning knob shaft
Socket-Dial lamp socket
Socket-Tube socket-moulded
Spring-Drive cord spring
Switch-Range switch (S2)
Transformer-Audio transformer (T1)
Transformer-First I.F. transformer (LIO, L11, C32, C33)
Transformer-Second I.F. transformer (C34, C35, L12, L13)
Washer-"C" washer for tuning knob shaft
SPEAKER ASSEMBLIES
92510 -IT
92510-1L
92510 -IP
92510-1M
Speaker -5" P.M. speaker complete with cone and voice coil
NOTE: If stamping on speaker in instrument does not agree
with above speaker number, order replacement parts by referring to model number of instrument, number stamped on sPpeaker and full descripption of part required.
MISCELLANEOUS ASSEMBLIES
Back-Cabinet back Dial-Glass dial scale Clamp-Dial clamp-left hand Clamp-Dial clamp-right hand Fastener-Push fastener for cabinet back Knob-Control knob Spring-Retaining spring for knobs
©John F. Rider
www.americanradiohistory.com
PAGE 15-40 RCA
<IIiFii<îiZüfiF
aeom,n000
OitdOO=
1
1
1
1111 1111 11 F1
11
il
1
Irh 1
w 1 1
1
1
1
I
.ttIpA?Dh<tN0Yt(9hDïhOYDODXSOfh
_
+ 0 (p r m
9óá_t:
z
F
ONV,1
il
U
NZj _rF_ F3_
J2 J F-
Yó3
O U H yhjln
OY1
WfZ(h
*1( 0J
w LL LL LL
íîLî
L E f
OvUaU-maOcou
©John F. Rider
Record Changer: RCA Model 96O001-1 www.americanradiohistory.com
"clwairiedschema-tied ff
RCA MFG. CO.
Lt
L3
ANT. WIRE
L2 s=0 C2
6SG7
R.F.
8
C3
6SA7
C16
1ST.DET.&OSC.
00 O
w J »
w K
i__R, EAR 54
FRONT
m
53
7
46 9
540
R8 AVC
IB+
C15
R5 R7
C17
9
51 FRONT
R4
6
4 7 C12
514
2 1
541 BUTTON
A
G
NO.5
B+
BUTTON
515
NO.5
BAND -SWITCH SHOWN
AT 1ST POSITION.
L15
LINK
C41 PUSH BUTTON TUNING
( N0. 5 BUTTON DEPRESSED )
740-1430 KC.
L1
L3
ANT.
6SG7
R.F.
8
C3
6SA7
C16
1ST.DET.&OSC.
o Y FRONT
w
>
o
- m
53
R3
R5
C17
s
R7
B+
9
REAR
54
1
A
G
_
AVC
C1
=
= \- - - - GANGED
- CIS
R4 8+
51 FRONT
10°
I
C12
LINK
_
BAND -SWITCH SHOWN AT 2"D POSITION CLOCKWISE.
BROADCAST "A" BAND
MANUAL
540 -1600 KC.
C9 GANGED
'CANT.
WIRE
A
20 S4
L 3
6SG7
R.F.
8
C3
4
R8 5
AVC
8+ C15
6SA7
3
C16
1ST.DET.&OSC.
R5 C17
9
FRONT 51
R4
11 q 8
8+
C6
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE .
SHORT WAVE "C"BAND 9.4-15.4 MC.
C9 GANGED
©John F. Rider
www.americanradiohistory.com
RCA PAGE 15-41
MODELS 58V,58AV Ch.RC-604
4;
8+
52
12; REAR
1
C13
4:
B+
52
'REAR
52 REAR
PAGE 15-42 RCA MODELS 58V,58AV Ch.RC-604
RCA MFG. CO.
Cathode-Ray Alignn.cnt is the preferable method. Connections for the oscilloscope are shown in the schematic diagram.
Output Meter Alignment.-If this method is used, connect the meter
across the voice coil, and turn the receiver volume control to maximum. Test-Oscillator.-For all alignment operations, connect the low side of
the test-oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a -v -c action.
Calibration Scale.-The glass tuning dial may be easily removed from the cabinet and temporarily attached to the chassis for quick reference during alignment. In the event that only the chassis is returned for service, and the cabinet with its tuning dial is left in the customer's home, the full
- size scale printed in this service note can be used for reference. Using Tuning Dial. 1. Remove glass dial from the cabinet. 2. With gang in full mesh, the dial pointer should be set to a point Lh inch to left of reference mark at left hand end of the dial backing plate. 3. Support the glass dial over the pointer with spacers so that the extreme left scale graduation coincides with the pointer. Use scotch tape to hold the glass dial in place.
"C" Band Reception.-For best reception on "C" band with an outside
antenna, adjust the trimmer screw of CS on the antenna coil. Turn screw carefully with an insulated screwdriver (RCA Stock No. 31031) while the
receiver is tuned to a station in the 31 -meter band. If returning to internal antenna at any time, close the link on the center terminal and readjust "C" band antenna trimmer (C5) for best reception on 31 -meter band.
For additional information, refer to booklet "RCA Victor Receiver Alignment."
Steyr
Connect
outetsptu-ot stco. -
Tune
testtoo-sc.
Turn
radtioo-dial
- Adjust the follow-
ing for maximum peak output
1 I -F grid in series
with .01 mid.
455 kc
2
1st Det. grid in
series with .01 mid.
"A" band
540 kc
L13 -L12
(2nd I -F trans.)
LI1-L10
(1st I -F trans.)
3
13.2 me
A -Terminal in
4
aeries with 47 mmfd. (link closed)
9.5 me
"C" band
15.2 me
"C" band
9.5 me
C8 (osc.)* C7 (ant.) CS (ant.) (Rock gang)
5
Repeat steps 3 and 4
6
Yellow loop lead
1,500 ke
"A" land
1,500 kc
7
in series with 200 mmfd. (link closed)
600 kc
"A" band
600 kc
8
Repeat steps 6 and 7
C10 (osc.) L9 (osc.)
Install and connect chassis in cabinet with antenna
link closed. Tune in a radiated oscillator signal at
9
1,500 kc. and peak the "A" band trimmer C2 (on loop).
Rock in L9 for peak output at 600 kc.
Critical Lead Dress: 1. Bus from "C" oscillator coil to range switch must be held to length and dressed close to coil. 2. C30 (audio coupling capacitor to volume control) should be dressed close to front apron. 3. A.C. cord and motor leads must be dressed away from phono and F.M. jack. 4. Excess trans. leads to be dressed between trans. and rectifier socket. 5. Keep R5, C16 bus (in grid circuit of 6SA7 tube) as short as possible. 6. Dress C28 (in plate circuit of 1st A.F.) close to socket. 7. Keep R21 (grid resistor) and C34 (coupling capacitor of output tube) close to socket. 8. Keep R25, C48 (in tone compensating circuit) close to front apron. 9. Dress green lead from osc. coil to trimmer close to oscillator coil. 10. Dress red A.C. leads away from I.F. trans. and 6SQ7 socket. 11. RF choke in plate of 6SG7 must be dressed toward back apron.
CS -C ANr. 9.5 MC.
e L10-DOTTOM
L4I5I5-
TOP KC.
p.7K
.
IIT.I.F.
TRANS.
L12 -TOP
L41595-
15OTTOM KC.
2 D.I.F. TRANS.
TO LOOP ANT.
6K6 6K6 GT/6 6T/6
ie
PHONO-
1-- PRUOl/!R ].
TEL JACK
POWER CORD
ANT. IN CACINET
TUBE AND TRIMMER LOCATIONS
*Use minimum capacity peak if two peaks can be obtained. Oscillator PUSH Symms .tracks 455 kc. above signal on all bands.
SNIPPING STRIP
TURNTABLE MO TORSOS RD
PLUG
LVlew
SOCKET
(vKwrS
MI IS
ELK RED
L,
J To C37
DLACK' SUC -RIO
OUTPUT PLATES
pIaRt( OEWRMN--.....
OUTPUT acaSIMS RECT. FILAMENT
1 LOOP ANTENNA
ICMASSIS MOUNTING BOARD
MOTOR BASEBOARD
CLAMP NUT
SHIPPING BLOCK
SPEAKER BAFFLE BOARD
SHIPPING STRIP
MOTOR BOARD MOUNTING
SPEAKER
R BOS
RECORD STORAGE COMPARTMENT
SPEAKER CONNECTIONS
BACK VIEW
©John Y. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-43
MODELS 58V,58AV,
CheRC-604
- PUSH BUTTON ADJUSTMENT.
sSastdetaopjTtuciahoksrentamNstpe.eoun.sath3nUs1.tsb.0eu3c1ttai.orncnAusiilntlcosouwtnrlianmateebmcdotuetrtsoscfrsievwewephdaimcrrihaivnteeumrtmeuosrsatwganalbeiregmtint-eamud-pecjuonprsteetertoidoosodclfiolblsraeutfcotohhrreecaomsdileasRksiaCirnneAgdd
The procedure is as follows:
1.
Make a list of frequencies.
the desired
stations,
arranged
in
order
from
low
to
high
2.
Turn the range switch to the broadcast in the first station on the list.
position
and
manually
tune
3. Turn range switch to push-button position and press in the left-hand
button.
4.
Adjust No. 1 oscillator core to the best adjustment, rotate the core for peak output.
receive the antenna for
first station. least pickup,
To and
secure adjust
S.
Adjust No. i first station.
antenna
trimmer
capacitor for
peak
output
on
the
6. Proceed in the same manner to adjust for the remaining stations.
On the 880 to be received with
1,600 kc osc. core
push-button, the either in or out
higher frequency stations may (oscillator frequency either 455
kc below or 455 kc above the station this core in its out position (oscillator frequency) is the correct one.
frequency). The frequency 455 kc
adjustment with above the station
NOTE: Clockwise to lower frequencies.
adjustment
of
cores
and
trimmers
tunes
the
circuits
-If -(bCeSotEwnRenVeenIcCtsEwaiHtcIShNtoTcco:kntaNcot.uwn3ah3bi1cle1h1tcooCrneanapecachctsit5o5tro0--C5h4eig0rhamRsCiicd-oe3n3ofNmLom.I9If,
push button across L19 a,fd switch
frame).
I
I
1
680 TO I 740 TO 1430 I 610 TO 1250 1 540 TO
1600 KC1
KC
I
KC
1030 KC
TSRCIMRMEERWS 1 ®
-_e CORE
RODS
6
I
S
I I
0
® l I
4 I
3
0 1 0 1
2
(
1
0I 0
'>.-
ear-'7_.
r
STOCK No.
36342 38368 60954 38801
39628 39630 39634 38858 38831 39660 70623 70627 70648 70631 70572 70615 70636 70617 70618 37888
37877 38788 38787 38800 70342 32634 12006 35788 38359 38790 35870 28452 36333 38832 30868 12493 32641 32289 11565 70542 34766 30654 38829 70541 30409 30685 30147 30787 30651 11988 30648 30653 30649 38803 31364 33514 31251 31418 12007 38802 38805
DESCRIPTION
CHASSIS ASSEMBLIES RC -604
Board -"Antenna-Ground" board
Capacitor-Adjustable, 50-350 mmfd. (C5)
Capacitor Capacitor
--CMeircaamtircim, 5m6emr, mcofdm. p(rCis1i7n)g
3
sections
of
8-80
mmfd.
(C7, C8, CIO)
Capacitor -Mica, 100 mmfd. (C3, C19, C20, C28)
Capacitor Capacitor Capacitor
-Mica, -Mica, -Silver
120 mmfd. (C16, 180 mmfd. (C27) mica, 220 mmfd.
C25, (C6)
C26)
Capacitor --Silver mica, 630 mmfd. (C12)
Capacitor Capacitor
---TMuibcual,a2r,20.000m25mmfdf.d.(,C1630)0
volts
(C29)
Capacitor -Tubular, .005 mfd., 600 volts (C30, C32)
Capacitor -Tubular, .005 mfd., 1000 volts (C35, C36)
Capacitor -Tubular, .01 mfd., 600 volts (CIS, C33, C34, C49)
CCaappaacciittoorr --TTuubbuullaarr,,
.015 mfd., 400 volts (C31) .05 mfd., 400 volts (C22, C48)
Capacitor Capacitor Capacitor
---TTTuuubbbuuulllaaarrr,,,
.05 mfd., 600 volts (C-46) 0.1 mfd., 400 volts (C4) 0.25 mfd., 200 volts (C47)
Capacitor -Electrolytic comprising 2 sections of 20 mfd., 450 volts
and 1 section of 20 mid., 25 volts replacemen: for (C37, C38, C39)
Capacitor -Electrolytic, 16 mfd., 450 volts (C21)
Coil -Antenna coil, "C" band (L4, L5)
Coil -Oscillator coil (L7, L9)
Condenser -Variable tuning condenser (C1, C9)
Control -Volume control and power switch (R16, S8)
Cord --Drive cord (approx. 43" overall length)
Core --Adjustable core and stud assembly far I.F. transformer
Core --Adjustable core and stud for oscillator coil
CupDrum
-ODsrciivllaetodrrcuomil
mounting
cup
Indicator --Station selector pointer
PPPPlllluuaatggtee----P2DBiaincakolepnlltbiuatagecctkfmfoerpmollauoatnoeletpincplgoelmuagpdpllafeottere
for electrolytic with pulleys motor cable
capacitor
Plug Plug
---35
contact female plug prong male plug for
PRRueelssliiessyttoo-rrD--1r2i75v0eoohchommrds,s,p)4u4llwweyaatttt
for speaker cable selector switch cable (R24) (R23)
Resistor --l000 Resistor --1500
ohms, ohms,
''-2
z
watt watt
(R4, (R31
R6)
Resistor ---Resistor and coil assembly, 10,000 ohms (R2, L3)
Resistor -12,000 ohms, 4 watt (R11)
Resistor --27,000 ohms, !2 watt (R15. R25)
Resistor -33,000 Resistor -39,000
ohms, ohms,
1'2 '-2
watt watt
(R7) (R181
Resistor -47,000 ohms, '2 watt (Rl, R5)
Resistor -270,000 ohms, Resistor -390,000 ohms,
!.2
%
watt watt
(R9, R12, R14, (R20, R2l)
R17)
Resistor -470,000 ohms, j watt (R13)
RRSheeassfiisst tt-ooTrru--52n6.i2n0g,0m0ken0gooobhhmsmh,sa,3f/t2J,2wwatattt(R(R8,22R)IO, RI9)
-
Socket -Lamp socket
SSSoopccrikkneegtt---DPThruiobvneeoscoioncrpdkietttensosicoknetspring
SSSpwwriiittnccghh--RRRaaedntaigioen-ipnshwgoinstcpohrian(ngSdlf,otorSn2ae,dcSjuo3sn, ttaSrbo4ll)eswcoitrcehan(Sd5,stSu6d)s
STOCK No.
31380 35636 35790 35969
70574 31539 70573 37899
36461 38375 38684 36424
36462 X1609 X1610 38579 38315 37638 35871 70547 39013 35392 70575 39011 36327 38376 71003 39352 30698 13103 71002 35814
5117 11765 70544 34317 70546
37800 36422 30900 34053 71001 70999 71000 70998 70545 38575
DESCRIPTION
Transformer-Power transformer-105-125 volts, 50/60 cycle
TTWrraaa(Tsnnhssi)effoor -rrmm"Ceerr"--SFewircasosthneId.rFf.Io.Frtr.attunrnsafinnosgrfmokrenmroeb(rLsIh(OLa,If2tL,11L,I3C,1C9,25C,2C0)26)
SPEAKER ASSEMBLIES Stamped 92512-1K
-5 Cone -Cone and voice coil assembly
Plug Speaker
-p1ro2ng
male E.M.
plug for speaker cable speaker complete with cone
and voice
coil
Trlaensssfoprlmugera-nOduotuptuput t
transformer transformer
(T2)
NOTE: If stamping on speaker in instruments does not agree with above speaker number, order replacement parts by referring to Model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS ASSEMBLIES
BBuuttttoonn--P-Pulusgh
button button
CCaappaacciittoorr--TMriimcamtreirm, m2-e2r0cmommpfdri.si(nCg2)1 section of 10-160 mmfd.,
2 sections of 25-250 mmfd., 2 sections of 50-400 mmfd., and 1
Clasemcpti-oDn ioafl
100-540 clamp
mmfd.
(C40,
C41,
C42,
C43,
C44,
C45)
Cloth -Grille cloth for Mahogany cabinet
Cloth -Grille cloth for Walnut cabinet
Coil -Loop Coil-P.B. Coil-P.B.
primary oscillator oscillator
coil coil coil
(--Llho2i)wghfrfereqquueennccyy
side side
(L14, (L17,
L15, L18,
L16) L19)
Core -Adjustable core and stud for P.B. oscillator coil
Cover -Compartment lamp lead cover
DDDEEGDssireeecaciccclululaaae-ttlllccG----hhCTTMeleaooorrnseaannstdd--tarDPeedloiuilammgaslrpaalihaslrrlcnkkeeaebsldlcudeeutedtctcoecaanchllael((eoRDsncCou-gA-t)lceVhseiscotndoir-a-)-l-less buttons
Hinge -Cabinet door hinge
jHewinegle--PCialobtinleamt plidcahpinge
Knob -Cabinet door knob
Knob ---Tone control, range switch, volume control, or tuning knob
LLaammpp--DCoiamlplaarmtmp ent lamp
LMMoooaprukn-etAirn-ngSt-teaOntninoaenlo(m1o)pasreckotemorfphleatredw(LaIr,e
L2, for
C2)
mounting
record
changer
consisting of four (4) upper and four (4) lower springs and four
(4) clamp nuts
SSohcakdeet--L3amcopntsahcat dfeemale for selector switch cable and loop leads
Spring -Retaining spring for control knobs
Spring -Retaining spring for push button
Spring -Spring for L.H. cabinet lid support
Spring -Spring for R.H. cabinet lid support
Support -Cabinet lid support-L.H.
Support -Cabinet lid support-R.H.
Support -Loop support complete with mounting brackets and .
spring
Switch--Selector switch (S14, S15, S16, S17, S18, SI9, S40,
S41, S42, S43, S44, S45)
@John F. Rider
www.americanradiohistory.com
PACE 15-44 RCA
MODELS 59V1,59AV1 Ch.RC-605
á c0
w
I
<id
in
I1/
VQ Ñ I,
yvvvvvl
RCA MFG. CO.
e
e19 2W
(N9
o
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l9
li
Ct
X01.
a
0
33
W d
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u
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ln.nn
°-°--11
ett. -
h i, ...
_9 Nd VN Uh
h rt`rrri7Q^K
2t7,:7";
<
,1`9n,wDln1l9n1Y9lFO A
V -NmQN1yrE, t
o
t1-0.4-111
III 90
rte
(ne
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uab
K-11,
h
UN
NW
r
UYwJ
.J IL O
<Q
NlQ W 13A
4/1
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00r
U
'c.
©John F. Rider
Record Changer; RCA Model 960001-2
www.americanradiohistory.com
"C' ANT. WIRE
L1
deigeonaticti ri
RCA MFG. CO.
RCA PAGE 15-45
MODELS 59V1,59AV1 Ch.RC-605
6SA7
L13
1ST. DET.&OSC.
L 9 je-
S1
FRONT
BAND -SWITCH SHOWN AT 1ST POSITION.
PUSH BUTTON TUNING
(NO.5 BUTTON DEPRESSED)
740 - 14 30 KC.
C14
1
Y
I
FRONT
53
C A N T.
WIRE
L1
6SG7
R. F. C5
R6
AVC
L13
6SA7
1ST.DET.&OSC.
C13
R4
C16
B+
- 11
54
CIO
R3
REAR °I
B+ G12
C17
R 31
B+
53 FRONT
GANGED -
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE .
BROADCAST "A" BAND
MANUAL
540-1600 KC.
©John F. Rider
www.americanradiohistory.com
PAGE 15-46 RCA MODELS 59V1,59AY1 Ch,RC-605
ANT. WIRE
schematics,/
RCA MFG. CO.
L13
6SA7
1ST. DET.$05C.
L9 }.1{' ,µj'
FRONT
-05--1-
3
4
ci
C12
C2 -GANGED
"C ANT. WIRE
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE.
MEDIUM WAVES'' BAND 2300-6300 KC.
L13
6SA7
15T.DET.80SC.
C1
GANGED
BAND -SWITCH SHOWN AT 4TH POSITION CLOCKWISE.
SHORT WAVE BAND 9400 -15400 KC.
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE i 15-47
MODELS 59V1,59AV1 Ch.RC-605
Cathode -Ray Alignment is the preferable method. Connections for
-If the oscillograph are shown in the schematic diagram. Output Meter Alignment. this method is used. connect the meter across the voice coil, and turn the receiver volume control to maximum.
Test -Oscillator. -For all alignment operations, connect the low side
of the test-oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a-v -c action.
Calibration Scale. -The glass tuning dial may be easily removed from
the cabinet and temporarily attached to the chassis for quick reference during alignment. In the event that only the chassis is returned for service, and the cabinet with its tuning dial is left in the customer's home, the full
- size calibration scale printed in this service note can be used for reference.
Using Tuning Dial. 1. Remove the dial glass from the cabinet. 2. With gang at full mesh the pointer should be set to a point (I/16) inch to the left of the reference mark at the left hand end of the dial backing plate. 3. Place the glass dial under the pointer so that the extreme left scale graduations coincide with the pointer. Use scotch tape to hold the
- glass dial in place.
Using Dial Scale Printed In This Service Note. Follow the procedure above, substituting the dial scale printed in
this service note for the glass dial in the cabinet.
"C" Band Reception. -For best reception on "C" band with an outside
antenna, adjust the trimmer screw of C4 on the antenna coil. Turn screw carefully with an insulated screwdriver (RCA Stock No. 31031) while the receiver is tuned to a station in the 31 -meter band. If returning to internal antenna at any time, close the link on the center terminal and readjust
"C" band antenna trimmer (C4) for best reception on 31 -meter band. For additional information, refer to booklet, "RCA Victor Receiver
Alignment."
Steps I
2
Connect high
to- side of
test osc.
I-F grid in series with
.01 mfd. 1st Det. grid in series with
.01 mfd.
3 Yellow loop lead
in series with
200 mmf.
4
(link closed)
Tousne.ettoes-t
455 kc
1,500 kc 600 kc
- Adjust the follow-
Turn dial
rtaod-io
ing for maximum peak output
"A" Band
540 kc
"A" Band
1,500 kc
"A" Band -
600 kc
L12 Lll
(2nd I -P Trans.)
LIO, L9 (1st I -F Trans.)
C9 (ose.) L8 (ose.)
5
Repeat steps 3 and 4
"B" Band
6
6.1 me
6.1 me
Ant. terminal
"C" Band
7
in series with
15.2 me
15.2 me
47 mmf. (link closed)
"C" Band
8
9.5 me
9.5 me
C8 (osc.)* C2 (ant.) C7 (osc.)* C6 (ant.)
C4 (ant.)
9
Repeat steps 7 and 8
10
Install and connect chassis in in a radiated oscillator signal
cabinet, with link at 1,500 kc and
closed. Tune
peak the "A"
band ant. trimmer C3 (on loop). Rock in L8 for peak output
at 600 kc.
*Use minimum capacity peak if two peaks can be obtained. Oscillator tracks 455 kc above signal on all bands.
Critical Lead Dress 1. Push button, R.F. and oscillator leads should be separated as much as possible to reduce degeneration on push button reception. 2. R.F. choke in plate circuit of 6SG7 should be dressed towards the back apron.
3. Dress green push button lead under clamp and away from "C" band
series capacitor.
4. Dress heater leads away from grids and diodes. 5. Dress phono. cables up and away from all wiring. 6. Dress all excess leads from transformer back towards transformer. 7. Keep output plate leads short and dressed close to chassis. 8. Dress green lead from 6SA7 screen to electrolytic down close to chassis.
9. Dress "C" band coil lead from oscillator coil to range switch down
toward green lead.
10. Keep yellow loop lead clear of all wiring. 11. Dress ground bus of large electrolytic away from mounting lug. 12. Remove all excess slack from pilot light assembly and dress it close to
chassis base away from volume control. 13. Dress oscillator grid capacitor (56 mmfd.) up and away from the screen
and plate of 6SA7 socket. 14. A -C leads to "off -on" switch should be kept away from tone control
cable to reduce hum.
15. Peaking coil should be dressed away from R -F grid resistor to reduce degeneration in R-F stage.
16. Dress oscillator push button lead in weld clamp on front apron away from 220 mmf. series condenser.
17. Keep all leads away from Phono: FM jack to prevent audio oscillation and hum. Dress underneath the shield provided.
Push Button Adjustment
R-lS9
e80 TO 1 740 TO 1430
1600 KC
KC
-0 TsRcIMRMlEERWs
1 I
®
CORE ROOS
6 I6
0
I
0
4 0
610 To I360 KC
0
3
2
0
u
640 TO 1030 KC
0
0
The push buttons connect to separate magnetite-core oscillator coils and separate loop circuit trimmers which must be adjusted for the desired stations. Use an insulated screwdriver or alignment tool such as RCA Stock No. 31031. Allow about five minutes warm-up period before making adjustments.
The procedure is as follows: I. Make a list of the desired stations, arranged in order from low to high
frequencies. 2. Turn the range switch to the broadcast position and manually tune
in the first station on the list. 3. Turn range switch to push-button position and press in the left-hand
button. 4. Adjust core rod No. 1 to receive the first station. To secure the best
adjustment, rotate the loop for least pickup, and adjust core rod No. 1 for peak output. 5. Adjust trimmer screw No. 1 for peak output on the first station. 6. Proceed in the same manner to adjust for the remaining stations. 7. Repeat adjustments for best results. On the 880 to 1,600 kc push-button, the higher frequency stations stay be received with core rod No. 6 either in or out (oscillator frequency either 455 kc below or 455 kc above the station frequency). The adjustment with this core in its out position (oscillator frequency 455 kc above the station frequency) is the correct one.
NOTE: Clockwise adjustment of cores and trimmers tunes the Lircuits to lower frequencies.
-If SERVICE HINT: unable to reach 550-540 KC on No. I push button
-Connect a Stock No. 33111 Capacitor-Ceramic -33 mmf across L19 (between switch contact which connects to high side of L19, and switch frame).
Top View Chassis
z
©John F. Rider
www.americanradiohistory.com
Back View
PAGE 15-4
M®EIS 59V1, 59ÁV1 Ch.RC-605
RCA MFG. CO.
STOCK ¡ No. ¡
DESCRIPTION
STOCK No.
DESCRIPTION
36342 60954 38852
CHASSIS ASSEMBLIES RC 605
Board -"Mtenna-Ground" board CCaappaacciittoorr--MCeircaamictr,im56memrmcf.om(Cp1r6i)sing two (2) sections of
35636 35790 34539
33726
TTTWrrraaaa(Tnnnshsssi)fffeooorrrr-mmm"Ceeerrr"---SPFewoircwasostehnredIr.FtfrI.oa.Frtnr.satufntonrsarifmnnogsrefmrokern1mro0be5(Lr-1s91h(,L5aL1ft1v1,0o,lLtsC11257,0,C-6C20158,c)yCc2l8e)s
38801
Ca8p-a8c0itomrm-Mf. i(cCa2,
Co) trimmer
comprising
three
(3)
sections
of
SPEAKER ASSEMBLIES
39628 39630 39634
CCCaaa8ppp-aaa8ccc0iiitttooomrrri---nMMMt. iii(cccCaaa7,,,,
C8, 100 120 180
C9) mmf.
mmf. mmf.
(C17, C18, C33) (CS, C13, C25, C28) (C27)
70574 31539
92513-IK
CPlounge--FCivonee(5a)npdrovnogicemcaoleil
assembl plug for
speaker
38830 38638 39646
38831 39660 71394 70623 70646 70606 70627 70610 70631
CCCCCCCCCCCCaaaaaaaaaaaappppppppppppaaaaaaaaaaaacccccccccccciiiiiiiiiiiittttttttttttoooooooooooorrrrrrrrrrrr------------MMMPPPPPPSMPaaaaaaialiiiipppppppvcccceeeeeeeaaaaerrrrrrr,,,r,,,,,,,tm562r.......i6320000000mi1100000000c012355mammm5m55,memmmmf2frdmmmmd2ff,ff.dd.6f,ff..f,5d..dd.,,0m((4...6CC,,-0(4603m(C31066000C59500100f04v)).004v1ovv)om,(loovvltCtllsoomCstt1llss4tt1f(ss.2(C)((C)CC5(((1CCC02204)3213,)0I,,A,CCC)3C325892,))9AC)40, C25A,
70548 37899
36327
Speaker ---12' EM speaker complete with cone and voice
coil less output transformer and plugs
Transformer --Output transformer (T2)
NOTE: If stamping on speaker in instrument does not agree
with above speaker number, order replacement
parts by referring to model number stamped on speaker part required.
number of instrument, and full description of
MISCELLANEOUS ASSEMBLIES
Bezel-Dial bezel less dial scale
70611 70615 70617 70618 34889
34533
38367 38358 38800 36447 32634 12006
35788 38359 38790 35870 28452 36333 30868 31572 12493 38832 32641 39153 32289 34766 30654 38808
35876 36714 30492 30409 30147 30787 30650 14138
3252 30651 11988 30653 30652 30649 38803 31364 33514 31251 31418 12007
38809 38807
C27A) Capacitor Capacitor Capacitor Capacitor Capacitor
-----EPPPPlaaaaeppppceeeetrrrrro,,,,l0y..000..t2125i5cmmm, mcffidddof...md,,,.p,444r0002i000s0i0nvvvgooovlllottttwlssstso(((CCC((2C322)1022(),s6e,CcC6ti3Ao2n))s
450 volts (C24, C43)
of
15
mfd.,
Capacitor -Electrolytic, comprising one (1) section of 20 mfd.,
450 volts; one (1) section of 15 mfd., 350 volts; and one (1)
CCoosiilel--cOAtiosncntielolnfant4oa0rcmocifold,il.,"(BL25"6,vaLon7ldt,s
(C34, C36, C37) "C" band (L3, L4, L8)
L5)
CCCooornndtdr-oeDnl-srVeivro-elVucmaorreidabcolenttruonlin(Rg19c)ondenser (Cl, C12)
Core -Adjustable transformers
core
and
stud
for
first
and
second
I.F.
CCDoururpem-M-A-Dodurjuinvsteitanbdgrluecmucporfeoranodscisltlautdorfocrooilscillator coil
Indicator -Station selector indicator
j PPPPPPPPPlllullllluuuuuuaalggglgtgtgeee------y--TTFTFPB-DDiowhhiavniurrkraoeeeirelpveell((eb(iu524tag(())e)33ccc))kcofpomoorrcpndrpnoorotlntolnauaaopgncttcnoueagtttpmclilcffntmeeealogyemmlfameaelpdaamepllpllaeeaelptulteleegppullgfpuufowolggrfuriogtrcfshtopoafsrpenpoeaareumlecklplicoceetottooryoownrsrcrtear+lcrcobe3aalsl4cbbes5aclle3baed3lbeilael
RRReeeosssiiihsssmtttooosrrr,---91V150ow00lat00attg;ooehhommndessiv,, (i1d4)erswweccaaotttmittopn((RRri23osfi),nR2g5IO0o0Ane)oh(1m) s,se4c.t2iown aotft;
3000 one
(1) section of 10 ohms, 0.2 watt; one (I) section of 25 ohms, 0.5 watt; and one (I) section of 145 ohms, 3 watt (R,26, R27,
RRRRRRRRRRRRRRSheeeeeeeeeeeeeeRassssssssssssssfiiiiiiiiiiiii2issssssssstsssss8tttttttttttttt-ooooooooooooo,o-rrrrrrrrrrrrrTrR--------------u313521223456R12n109675279768.ei,20000,,,,,,,nsm0000000R,,,g,i00000000000esm30000g000000t0k2oeo0000n)grhoooooooooomhhhhhhhooobahhmmmmmmmhhhn,mmsmmmdsssssssh,3,,,,,,,ssssa4,c,,,f3!3353%Sot4w4443i>3ssiZ442lwawwwwwwwtawwwwataaaaaaastttaaasatttttt(tttttttRettttttttm((((((((1RRRRRRRR(7(((bR6RRR74S912,Il8,3)))21,8y12RA0,,R)34,R2),,)IRR19lORRl301)),A,8120)R45)0,)20R3o)IhSm, sR2(R0)I, Ll3)
Socket -Lamp socket
Socket --Phone input socket
Socket Spring
-Tube -Drive
socket cord tension
spring
- Spring --Retaining spring for first formers' core and stud and
I.F. for
and second oscillator's
I.F. transcore, coil,
and stud
SSwwiittcchh--R-Raandgioe-pshwointcoh
switch (S5, S6) (SI, S2, S3, S4)
38376 36639 38375 70556 38684 36424
36462 31382 38579 38315 37638 38405 38402 35871 70550 39015
37147
37148 35392 70575 39014 X1607 70996 X1608 39368 39367 39352 13103 70995 35814
11765 70544 34317 . 70546
30868 30870 36422
31572 38853 70994 70551 70552 70554 30900 34053 70549 38575
39360 70545
70555 70553
2917
Bezel-P.B. bezel less push buttons
BBruatctokne-t-PPuisloht
lamp bracket button
-
Bumper-Rubber bumper CCaappaacciittoorr--TMriimcamterirm, m2-e2r0,
for record mmf. (C3) comprising
changer tray (2 one (I) section of
req'd) 10-160
mm).; two (2) sections of 25-250 mmf.; two (2) sections of
50-400 mmf.; and one (1) section of 100-540 mint. (C44,
ClaCm45p,-DC4i6a,l
C47, C48, clamp
C49)
CColiipl --MLoooupntpirnimg acrlyip
for coil
P.B. (L2)
coils
Coil-P.B. Coil-P.B.
oscillator oscillator
coil coil
--hloigwhfrfereqquueennccyy
Control-H.F. tone control (RI6)
(L14, (LI7,
LI5, L16) LI8, L19)
Control-L.F. tone control CCourseh-ioAnd-jSuhsotacbkleabcsoorerbainngd
and power switch (R22, stud for P.B. oscillator cushion
S-8) coils
Decal-Control panel decal
Decal-H.F. tone contrrolldecal
Decal-L.F. tone control decal
DDeeccaall--TTrraaddee
mark mark
decal decal
1RCA (Dog)
Victor)
Dial--Glass dial scale
Grille Grille
--GMreiltlael
cloth grille
for
Mahogany
cabinet
Grille -Grille cloth for Walnut cabinet
Guide -Carriage guide-L.H.
Guide-Carriage guide-R.H.
HJeiwngele--PCialobtinleamt pdocoarphinge
KKnnoobb--RToecnoerdconsttororal,greadcoiom-ppharotnmoesnwt itdcoho,rraknngoeb switch, tuning
knob, or volume control
Lamp -Dial lamp
Loop-Antenna loop (LI, Marker -Station marker
L2,
C3)
Mounting-One set of hardware to mount record changer
PPPllluuucfogggoun---rTTTsi(wwsh4t)rioonecgel((a2o2m)(f)3pc)fpoornoucnuonrttangs(ct4ta)mcftuealpmefpeaemlprelaualpgenldufpoglrfuofgomurrofmot(or4or)tsolceroalwebccleaetrbolreesxpcetreaixnnbtgeslesinosnaaionndnd
PRPPRulleeuullttoalgga-oi--iRnpnTFeeelorhrec--uaroTTedrrsrerdaa(4yy(c)3h)crraooocnlnlolgletneearrtrcatrrcceetfotteaamfmiiennpmaiialnnaerggtlempssleputtnrrlgiuitppgfd--o-oRfr-ooL.rrtH.oHpnp.o.euwllceorntsrwolitcchabcleable
Roller -Record changer tray roller
Spring-Retaining spring for control knob
Spring -Retaining spring for push button
Stop-Mechanism tray stop
Switch -Selector switch (S14, S15, S16, SI7, S18, S19, S44,
S45, S46, S47, S48, S49)
Support -Door support for record changer compartment
Support-Loop support complete with mounting brackets and
spring
Tire -Rubber tire for tray roller
Tray -Record changer carrying tray less rollers
Washer -Spring washer to hold roller
' r
C899eS OFF `PUSH BUTTONS,, W?
uLL
E
..ss
FIScO
n i
ouTPUT
P
TONE CONTROL
DIAL
TREELC TONE CONTROL
PLUG (PRONG VIEW)
yflrC 6 sQ 4 y
TQANS
NEUT C011.
colf
CP'
-
16
cr.vwwNci*.r."^*- -
ORYM
5--- i
n
e SLK RED
J TO C34
-
r
LOOROFT
'ot SOCKET
3 40.'. BLACK
DR.,E CORD
úí;iNR
(FVRIEOWNT) '\9'
}OUTPUT PUTES
So; BLK-RED TR--+
(-
, NRNS
VOLUME CONTROL
SERVICE Sn[CTO11 CONTROL
MAOURL TUN, RG RANO6 CONTROL CONTROL R-79.11
US29
BROWN -......«.. OUTPUT SCREENS
BLK BRN--4 RECT FILAMENT
Front Panel Controls
Speaker Connections
Dial Cord Drive
©John F. Rider O www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-49
MODELS 61-1,61-2,61-3
Ch .RC -1011
12567
CONVERTER
12.SK7 I AMPL.
12SC,7
2ND. DET_AF- AVC .
35L6GT/GOUTPUT
BOTTOM VIEW OF
99V
5.6V
TUBE SOCKETS.
99V
4.7V.
©00 4rl
100
460V.
R6 120
p`O 120V._ RED Tt
04.n Cl
98V
9 ffl
LOOP
o
C12 ITC13
C4 .01
LI
14-456.6 3-05
1!L
4)
RI
e1 C 1
T .01
.0351
3300
u1
J I;T. T F T12AtIS.
2ND. 1 F
r-.- - m TRANSG. RN--7 -
r1 llod
71560.já
SON
IO75-ll
C is 75-160
L4 1 60
_J
P-1 0Oo
759160
C5 C6102 I
15ñ ISn 120
L a¢9
.01
m
15ÓO
~-14V. APPROX.
a77.17J
MAX. AVC.
m
C9 .005
I 1
3C0B0 R7
R8 470M 220 M
.02
100V.
¡/ 5T2ONE" CONTROL C.0I0O18
J L7
VJ
2 U3
(011G-IS
o 147.6
.0 Id
3-25
I2J5GT OSC
L9
l4
2.5n
()
-
753 MEG.
t -7.5V LF -6V. H.F.
LLOI-OLP2
WV.R2
22M RIO
220M C22 0.1
3.3 MEG
C7
VOL.
.02
CONTROL
500,000SOP
R12
AT
50,000 L
355GT7G RECT.
132V.
C.0253
R9 4.7 MEG
C20 30
LJ
MFD.
VOLTAGES HOLD WITHIN
SHOULD
±20 0
.WITH 117V. RATED
SUPPLY VOLTAGE
* MEASURED WITH
CHANALYST OR VOLTOHM YS T.
L- C 21 50 MFD.
ALL VOLTAGES ARE MEASURED WITH
RESPECT TO COMMON -B.
M 1000 OHMS
4 35L6,T
12JST
1
125G7
12257
3 12S07
CHASSIS GROUND
INDICATES COMMON WIC NG INSULATED FROM CHASSIS
7
1
51
1 ON,VOL. CONT.
4nÌ7P-920434
,1
OUTPUT TUBE
OUTPUT TRANS.
NEUT. COIL
RECT. TUDE
+g
FIELD COIL
3OLJ
MFD
ELECTROLY TIC
201_ 1 CAPACITORS
WIRING INSULATED FROM
- CHASSIS
CHASSIS ROUND
CONNECTION S FOR
ELECTRO -MAGNETIC
.PEAKER
IN .1CATOR POINTE
DIAL CORD DRUM SHOWN IN MAX.CAP.POSITION.
(CCW)
Test chart.
-B."
OCKsoeceniplnlaetctohtre.l-o-woCsocsnilinlddeetcotrthhrooiguuhtgphustidaesi.0go1fnatmel sftda.soscclaoiplwlaactoiatrosrasptoosshscoiobwmlenmoitnno
avoid AVC action.
Output Meter. -Connect leads across
volume control to maximum clockwise,
speaker voice coil. Turn tone control to maximum
highs (clockwise).
Dial Pointer Adjustment. -Rotate
clockwise cap.) mark
(plates closed). on dial backing
Adjust plate.
tuning condenser indicator pointer
fully counterto left (max.
test-oscillatortto- Steps
Connect the high side of
to-
Ttuon-e
Turn
radiodial
1
Stator of C-12 in series with
455 kc
.01 mfd.
2
Quiet -point 1.600 kc
end of dial
Ant. lead 3 in series with 1.300 kc
203 mmfd. ' 4 Repeat step 3. Do not readjust C18 or C19.
1,300 kc
Adjust the fol lowing for max. peak output C18 and C19 2nd I -F transformer C16 and C17
1st I-F
transformer C14 (osc.) C13 (ant.)
2%2 TURNS
Critical Lead Dress
1. Dress output plate bypass capacitor (C-11 .02 mid.) against
2. 3.
chassis.
Dress 35L6GT/G volume control,
plate leads
lead and
(red) acra1nst terminals.
Dress audio coupling capacitor 35L6GT/G heater leads.
(C-7
chassis and away .02 mid.) away
from from
4. Dress tone control lead against front apron.
5bypreassss
and napcitorllo(wC-il, .2rowmnid.)eaadnsd
away om awayfrfrom
te alufheaater
6.
leads. Dress
lead
to
speaker
voice
coil
away
from
tuning
shaft
"C"
washer. 7. Dress tone
control
capacitor
(C-10,
.0018
mfd.)
away
from
8. 9.
oDfsDrhsorrciemeeissllsldsacsthaoblarllleussaecuivosniianilnn.gtodsupleagrxterpeevdoeesnneltdelaesdlhaesdonrsgtatwohcfsairycbauosifttrhso.smhIoFret atrcaahsnsfopotohrsmesriebralsen.dbaacwk aiyn
C13104 0-05KCC
1300 KC.
3525 I2J 5
GT
GT
er I F TRANS
C56 lo
2w IF GT/6
123G7
12SK7
12S Q7
C45165
-CIT
KC
C45le5
-K19
C
TV3
Frequency Range Intermediate Frequency
Power Output Undistorted Maximum
540-1600 kc 455 kc
1.0 watt 1.5 watts
©John Fe Rider
www.americanradiohistory.com
PAGE 15-50 RCA
MODELS 61-1,61-2.61-3
MODEL Q1 61
RCA MFG. CO.
STOCK No.
Models 61-1, 61-2, 61-3
DESCRIPTION
CHASSIS ASSEMBLIES
RC 1011
39640 70712 70627 70652 70711 70635 70615 70617 39152
39924 36226
CCCCCCCCCCCaaaaaoaaaaovpppppppppinolaaaaaaaaadl-tcccccOccccseiiiiiiiii,ntttttsttttooooooooocsarrrrrerrrrin-----l----rdMTTTlETTTT-aVuuuluuuuteio1bbbcbbbbacruuuauuuurtsr,illlellllcoaaaaaaaacobrrrl3rrrrtiy,,,i,,,,3lloet0inc...0(..000.L00.,0m1210t50-o3u715cfm5,n8ommmmfi5mn.Lfm0imffmdg-dpdd8f.(f.mr,f..d,C,d,,id.s-.icL.8,8di,7on)-440.09(n,000gC08)50d00-019e0v0v15)novv0ossloovletetvllosvrscttosslottlils(tot((CssCCn((-CC-(-11(7C-(,-oC2C,22-f2,-13-C2)2C0)30-))C0-3,1,-11mC)3C-f,2d-14.),)C-11540,
C-15)
36242 32634
Control-Volume Cord-Drive cord
control and power (approx. 49" long)
switch
(R-12, S-1)
70392 Cord-Power cord
36237 Drum-Drive drum
36236 37068 11765
Indicator-Station Indicator-Station Lamp-Dial lamp
selector selector
indicator indicator
for 61-1 for 61-3
and
61-2
39821 Loop-Antenna loop (L-1, L-2)
36229 36230
Plate-Dial back plate complete Pulley-Drive cord pulley
with
pulleys
less
dial
30189 6134
Resistor Resistor
-120 -1200
ohms, ohms,
1/4
1
watt watt
(R-6)
(R -il)
30654 Resistor -1500 ohms, 1/4 watt (R-4)
30733 30492
RReessiissttoorr--2323,00000ohomhsm, s,1/4
watt (R-1) 1/4 watt (R-2)
14583 Resistor -220,000 ohms, 1/4 watt (R-8, R-10)
30648
12928 30931 36785
RRRReeeessssiiiissssttttoooorrrr----43417..5307,0mmm0e0eegggoooohhhhmmmmsss,s,,,
1/4 1/4 1/4
1/4
watt (R-7) watt (R-5) watt (R-9) watt (R-3)
36897 Shaft-Tuning knob shaft
Power Supply Rating
105-125 volts, AC, 50 or 60 cycles, or DC
30 watts
Pilot Lamp
Mazda No. 51, 6-8 volts, 0.2 amp.
STOCK No.
DESCRIPTION
34449 37605 31418 36228 70411 70412
86800 33726
Socket-Lamp socket
Socket-Tube socket, moulded
Spring-Drive cord tension spring
Switch-Tone switch (S-2)
Transformer-First I.F. transformer (L-3, Transformer-Second I.F. transformer
L-4, (L-5,
C-16, L-8,
C-17) C-5, C-8,
C18, C-19)
Transformer-Output transformer Washer-"C" washer for tuning
(T-1)
knob
shaft
70413
SPEAKER ASSEMBLY 92510-1
Speaker -5 -inch PM speaker, complete
NOTE: If stamping on speaker in instrument does not agree with above speaker number, order replacement parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS ASSEMBLIES
39953 Sack-Cabinet beck for Radiola 61-1
70409 Back-Cabinet back for Radiola 61-2
70415 36890
Back-Cabinet back Clamp-Dial clamp,
for left
Radiola 61-3 hand, for Radiola
61-1
and
81-2
36891 X1602
Clamp-.Dial Cloth-Grille
clamp, right hand, for Radiola cloth for Radiola 61-3
61-1
and
61-2
71017 70704 70705 37831
Decal-Control panel decal
Dial-Glass dial scale for
Dial-Glass dial Fastener-Push
scale for fastener
for Radiola 61-3 Radiola 61-1 and 61-2 Radiola 61-3 (1 set) for cabinet backs
Radiola 61-1 and 61-2
on
33006 Feet-Rubber feet for cabinet (4 required)
71016 Knob-Control knob (walnut) for Radiola 61-1
70414 Knob-Control knob (ivory) for Radiola 61-2
36722 30900
KSpnroinbg-C-Ronettaroinl inkgnobsp(rwinaglnfuotr)
for Radiola knob
61-3
Tuning Drive Ratio
Loudspeaker (92510-1) Type V. C. Impedance
20:1 5 -inch PM
3.4 ohms at 400 cycles
Model QII61
o
o
10
1100 15.7. 9.6 205
10
20
[ )3 m
20
30
200
30
40
11.2 1400 14.I- 1.8 19.5 -
40
50
4om
50
80
10.6
1200
13.2-
61
155
[mm
60
70
44901
150
70
80
10.2- 1000 12.6- 5.5 17.0'
80
90
90
BÓm
100
-40 - 800 12.1- 4.4 16.0'
100
110
110
95 0
85
120
30
100
80
I1.90
3.9 15.64
120
130
25
RAO
75
125
130
140 150
20
9.55 15 - 600
11..0
705
65
uºom
120 15.3'
115
140 150
160
9.5010
I1 -TO
60
15.2!
110
180
170
5
55
550
105 3-0
170
180
50
100 2.
180
3, Fl 25 B 19.13
PICKUP MOTORBOAND TURNTABLE
_
i_ =- 1-7-2. -----
i-
`
ÌÌ
,5p
ANTENNA -GROUND TERMINAL BOARD
ÌR .5315 BOARD
-
-
J - 1NIPPING .g TS
-SIN PPING STRI RS
8i_e_çlrialill _ =':--------
)
_-8l-
-
1
SAG
CHASSIS
DOPER CORD REGOID. QIANGER vowER 'CORD
i
1111111111111fflailifflin
TURNTABLE (PACKED
Rp
FOR SNIPPING)
SPEAKERS
REMOVABLE SHELF
Cabinet Rear View
PKU (PRONG VIEW)
(POCKE
.onrT VIEW)
= 'ILK-R
ELlC. RlCT.T. UPI.
Mx
PUT eLK-
REO Tl.
%RAfN3
SOCKET PLUG
i (FVIIlEew
(PROMS VIEW)
Loudspeaker Connections
PM
SPEAKIR
MS 52n
Receiver Dial with Calibration Scale
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-51
MODELS 61-5,Ch.RC-1023, 61-10,Ch.1023B
12567
R.F.
BOTTOM VIEW OF TUBE SOCKETS
"
125A 7 1ST. DET. AND O5C.
-22M0VKv-
125K 7 I.F.
;250.7 2ND. DET. -
A.F. - A.V.0
355.61iTt" OUTPUT
Cl; 1
,cr
*
57V.
1R12101 410tte:'.,VK RED TI
LOOP TERMS
e
2
_8Y. 54044C) ó -10V. 1600KU a1 -Cav. 03.5NC) -7.SV. (12 MC)
m 2NO. tr. TRANS.r
C251 d: :G
75-160+
75-tcoÌ
.0C0B15=
ISn7 '
mLU
¡ 6r c 21 I 53
225
R4 22K
15 MEG,
I _
MEO L LIO L11
11
56
RED 1
ICII 1
10.25 ^^r
^ L12 L13
e
R6 3.3 Ma.
60R07 K .
VOL.CONne STOP AT ,
50 K
002
Re C9
M6.13"
22OK
CHASSISuso
GRo
INDICATES CD44I0M RINO I115ULAT!D
FROM CHASSIS
Is -1000 * MEASURED WITH
CHANALYST oR VOLTOHMYST.
N=e
L3 L (2)
C2Op2_
2S0
So
b
2
4
LI!
PRI.
L=,0G1I
(FRONT)
R 2
11
M 4
12
lo
3
4
53 (REAR)
®11 Q7
35T/G
R25ECT.G
1 C29
C13 .01
T L9(4)
,[1 260
L+
(CM-
120 V.
C.0156
CC 5. a f`Gn
C22
C?7
15ÓI
155
537 .
2V- A
Cb
.035
. 405500-íO0
3 POSITION RANGE SWITCH - SMOwH
INNO.P1O-5S4IT0I-ON1620NOK.C.1
(MAR. MAX.
CHCIG4H.1.)5
N0.2-540-1620KC. MIN. HIGHS.
N0.3 -B.9-12.0 NC. MIN. NIGN5.
05c Coll_
SI ON VOL CONTR.
erO,V
2i sezsóys-
SWIG ,
CO. "et. (me DA51)
C5180Y
MFD
VOLTAGES SORDID 1RAD WITHIN.2O% WITH 117 WLT A.C. SUPPLY.
41.4. WLTAGES ARE MEASURED WITH RESPECT TO
--SCD17 MFD
11447 11L47 12507 11007 7 27 2 2
P-923059-7
Note: On some sets C3I may be 0.1 mfd, or 0.2 mfd.
C20
1300 KC
ICI!29MC C30
Test Oscillator.-Connect high side of test oscillator as shown in chart. Connect low side through a .01 mfd. capacitor to common "-B." Keep the oscillator output signal as low as possible to avoid A.V.C. action.
C22
11.4 MC.
ANT. COIL
1 C30208SC
Output Meter. --Connect meter across speaker voice coil. Turn volume control to maximum clockwise position, station selector switch to broadcast maximum high position (pos. 1), for broadcast alignment and to position 3 for high frequency band
Connect high
Steps
side of the
test otsoc-illator
Tuns osc.
ttoes-t
Turn dial
rtaod-io
Adjust the following for
maximum peak output
C23 45C524KC
C 25
4C552GKC
Dial Pointer Adiustmsnt.-Rotate
clockwise (plates (max. cap.) mark
fully meshed). on dial backing
tuning Adjust plate.
condenser fully counterindicator pointer to left
theCaclaibbirnaetitonandScatelem. -pTorhaerilyglaasttsacthuendingto
dial the
may be removed from dial backing plate.
1
Pin 58 of
12SA7
in series with
2
0.1 mid.
3
4 Ant. terminal
in series with
5
220 mmf
455 kc
Quiet Point at 1,600 kc end of dial
800 kc
600 ke
"A" Band
1300 kc
1300 kc "A" Band
Repeat 3 Rocking gang
C25, C28
2nd 1-F trans. 'C23, C24
lot 1-F trans.
C30 (osc.)
Rock gang
C28 (ose.) C20 R -F)
6
Repeat 3, 4 and 5 for exact cal.
Ant. terminal 7 in series with
0.1 mfd.
11.8 me
11.8 me
C29 (osc.)t Rock gang
Ant. terminal 8 In merles with
47 mm!
11.8 me
11.8 me
C22 (R -F)
Rock gang
8
Repeat steps 7 and 8
Critical Lead Dress
1. 2.
Dress shield Dress
Rbcal-Funesp, laalnetedavfiingltgreeretnhceamlpeaacadistsosrhoof(rCtb2o,atsh0.1pIo-mFssfidtbr.l)aen.bsafockrmaegrsainbsatckreainr
chassis apron.
3. Dress yellow and brown leads from 2nd I -F away from all
other leads.
4. 5.
Dress all heater leads next to chassis. Dress capacitor (C13, .01 mfd.) parallel to osc. coil and approxi-
mately 3/16 inch from coil.
6. Dress tone control lead and speaker field leads next to chassis
and front apron.
7. 8.
Dress pilot lamp Dress leads from
leads away from ant. coil. loop to ant. coil around rectifier
tube towards
end of chassis.
9. Dress output plate lead against chassis.
t
for
U!á minimum capacity peak selection of correct peak by
if two tuning
can be receiver
obtained. Check to approximately
10.9 me where a weaker signal should be received.
' Do not readjust C25 or C26.
Frequency Range
Broadcast Short Wave
540-1600 kc 8.9-12 mc
Intermediate Frequency
455 kc
Power Output
Undistorted Maximum
1.0 watts 1.5 watts
Loudspeaker (92510-1)
Size V.C.Impedance Power Supply Rating 105-125 volts, AC, 50 or 60 cycles, or DC
5 -inch 3.4 ohms at 400 cycles
30 watts
©John F. Rider
For Clarified schematics, see P.15-33
www.americanradiohistory.com
PAGE 15-52 RCA
MODELS 61-5,61-10 MODELS 61-6,61-7
STOCK No.
.....La..a 'i. 6 svj 7 DESCRIPTION
RCA MFG. CO.
STOCK No.
DESCRIPTION
71387 70367 39622 39636 71392 70627 70612 70615 70617 39152
71396 37962 70359 70366 38406 32634 70392 70365 16058
37068 71397 70364 70368 36230 30880 30152 30685 30787 14583 30648 30649
CHASSIS ASSEMBLIES
RC -594D
Capacitor-Adjustable, 1.6-18 mml. (C37)
Capacitor-Mica trimmer, 2-10 mmf. (C7)
Capacitor-Mica, 56 mml. (C4)
Capacitor-Mica, Capacitor --Mica,
220 450
mmf. mmf.
(CIA,
(C5B)
CI7)
Capacitor --Tubular. .005 mid., 600 volts (Cl, C16, C18) Capacitor-Tubular. .025 mfd., 400 volts C10, C20)
Capacitor --Tubular, .05 mid., 400 volts (C23)
Capacitor-Tubular, 0.1 mid., 400 volts (C11)
Capacitor-Electrolytic, comprising volts and 1 section of 30 mid..
I section 150 volts
of 50 (C30,
mfd., C30A)
150
Coil-Antenna coil (LI, L2)
Coil-Antenna loop coupling coil (L3, LS, R20) Coil-Oscillator coil (L6, L7)
Condenser-Variable tuning condenser (C2, C3, C5, C6)
Control-Volume control and power switch Cord-Drive cord (approx. 37 inches long)
(R4,
S2)
Cord -Power cord
Core-Adjustable core and stud for oscillator coil
Grommet-Rubber quired
grommet for mounting speaker-3 re-
Indicator-Station selector indicator
Loop-Antenna loop (L4)
Nut-Speed nut to mount oscillator coil
Plate-Dial back plate complete Pulley-Drive cord pulley
with
pulleys
less dial
Resistor -150 ohms, 1'2 watt (R7)
Resistor -1000 ohms, 1 watt (R9)
Resistor-33,000 ohms, t.º watt (RIA)
Resistor -47,000 ohms. 1/4 watt (R3)
Resistor -220,000 ohms, V4 watt (R19)
Resistor --470,000 ohms,
Resistor-2.2 megohms,
1.4 1/4
watt watt
(R8) (R1)
PRECAUTIONARY LEAD DRESS
I.
Dress output plate capacitor down next to chassis.
and
output
transformer
leads
2.
Dress 12SQ7 grid resistor down next from power ground wire to switch.
to chassis,
and away
3.
Dress lead from 2nd to chassis and away
I-F transformer from adjacent
to volume parts.
control
down
4. Keep grid end of RI as short as possible.
S. Keep body of CIA slightly away from chassis.
POWER SUPPLY POLARITY plug must be inserted in the does not function, reverse the may reduce hum.
--For
outlet plug.
operation on d -c, for correct polarity.
On a -c, reversal
the power If the set of the plug
Tuning Drive Ratio
19 to I
12928 30992 70369 37605 31418 71384 70361 70362
71398 33726
Resistor -3.3 megohms, 1/4 watt (R2) Resistor -10 megohms, 1/4 watt (R6)
Shaft-Tuning knob shaft
Socket --Tube socket, moulded
Spring-Tension spring for drive cord
Switch-Range switch (SI)
Transformer-First I -F transformer (L8, 1.9, C8, C9)
Ill, Transformer-Second I -F transformer (L10,
C12, C13,
C14, CIS)
7tanslom:er-Output transformer (T])
Washer-Retaining washer for tuning shaft
70372
SPEAKER ASSEMBLY 92510-2
-5 Speaker -inch PM speaker complete
NOTE: If stamoing on speaker in instrument does not ugree with above speaker number, order replace ment par's by referring to model number of ínstrument, number stamped on speaker and lull description of part required.
37362 71324 71389 37831 35121 35123 36722 70414 35126 30900
MISCELLANEOUS ASSEMBLIES
Clamp-Dial clamp (1 set)
Decal--Trade mark decalcomania Dial-Dial scale Fastener-Push fastener for back cover (I set)
Knob-Range switch knob for Radiola 61-6 Knob-Range switch knob for Radiola 61-7 Knob-Volume control or tuning knob for Radials 61-6 Knob-Tuning or volume control knob for Radiola 61.7 Spring -Retaining spring for range switch knob Spring-Retaining spring for volume control or tuning knob
Power Supply Rating
105-125 volts
D.C. or 50-60 cycles A.C.
30 watts
Power Output Rating
Undistorted Maximum
1 watt 1.5 watts
Loudspeaker (92510.2)
Type
5-inch Round Permanent -Magnet Dynamic
Voice Coll Impedance
4 ohms at 400 cycles
Frequency Ranges
Standard Broadcast ("A" Band) Short Wave ("C" Band)
540-1,680 kc (555-178 m) 4.7-18.2 me (63.8.16.5 m)
Intermediate Frequency
455 kc
STOCK No.
L1ULL')L 01-D,C1-1U
DESCRIPTION
39612 39622 39832 70417
39839
99840 70712 70627 70852 70711 70635 70815 70617 70818 39152
70416 39892 70418 70700 36242 32634 70392 36237 37068 11765 70980 39841 36229
36230 30189 30731
6134 30492 14583 30648
CHASSIS ASSEMBLIES RC -1023 and RC -10238
Capacitor-Mica, 22 mmf. (C15)
Capacitor-Mica, 56 mml. (C4)
Capacitor--Mica, 150 mmf. (C3, C32)
Capacitor-Mica trimmer, 140-250 mml., mounted on aa-
tenna coil (C22)
Capacitor-Adjustable mica, comprising 1 section of 190-
260 mmf. and 1 section o) 450-600 mmf. (C29, C30)
Capacitor-Mica, 330 mmf. (C9)
Capacitor-Tubular, .0018 mld., 600 volts (C8)
Capacitor-Tubular, .005 mfd., 800 volts (C10, C12)
Capacitor-Tubular, .01 mid., 1000 volts (Cl, C13)
Capacitor-Tubular, .02 mid., 700 volts (C7. C11)
Capacitor-Tubular, .035 mid., 600 volts (C14)
Capacitor-Tubular, .05 mid., 400 volts (C16)
Capacitor-Tubular, Capacitor-Tubular,
0.1 0.25
mmidi.d,
400 400
volts volts
(C2. C19) (C31)
Capacitor-Electrolytic, comprising 1 section of 30 mfd..
150 volts, and 1 section of 50 mid., 150 volts (C17, C18)
Coil-Antenna coil (L2, L4, C22)
Coil-Oscillator coil (L6, L7, LB, L8)
Coil-Peaking coil (L5)
Condenser-Variable tuning condenser (C20, COI, C27, C28(
Control-Volume Cord-Drive cord
control and (approx. 49
power inches
switch overall
(R7, SI) length)
Cord-Power cord
Drum-Drive drum
Indicator-Station selector indicator
Lamp-Dial lamp (Mazda 51)
Lead-Antenna lead
Loop-Antenna loop (LI, LO)
Plate-Dial back plate complete with drive cord pulleys
less dial
Pulley-Drive cord pulley
Resistor-120 ohms. 1/4 watt (Ill,. RI l)
Resistor-1200 ohms, 1/4 watt (R2)
Resistor-1200 ohm4, 1 watt (R13)
Resistor-22,000 ohms, 1/4 watt (R4)
Resistor-220,000 ohms, 1/4 watt (R3, R9, R12)
Resistor -470,000 ohms, 1/4 watt (R10)
STOCK No.
DESCRIPTION
12928 30931 38785 36897 34449 37605 31251 31418 39837 36800 70411 70412
33726
Resistor -3.3 Resistor -4.7 Resistor -15
megohms, megohms, megohms,
1/4 watt (R6) 1/4 watt (RD) 1/4 watt (RS)
Shaft-Tuning knob shaft
Socket-Lamp socket
Socket-Tube socket, moulded
Socket-Tube socket, wafer
Spring-Drive cord leñsion spring
Switch-Range switch (82, S3) Transformer-Output transformer (T1)
Transformer-First I -F transformer (LIO, LIT, C23, C24) Transformer-Second I -F transformer (L12, L13. CS, CB. C25.
COB)
Washer-"C" washer for tuning knob shaft
70413
SPEAKER ASSEMBLY
-5 92510-1
SSppeaker -inch P. M. speaker complete with cone and voice coil
NO rE:
If stamping on speaker in instrument does not agree with above speaker number, order replace ment parts by referring to model number of ínstrumeat, number stamped on speaker and full description of part required.
39777 X1603 70706
33006 38886 38722 30900
MISCELLANEOUS ASSEMBLIES
RC -1023 (61-S)
Back-Cabinet back
Cloth-Grille cloth
Dial-Glass dial scale
Feet-Rubber feet for cabinet (4 required)
KKnnoobb-T-unn[ng.q,
switch knob or volume control
knob
Spring-Retaining spring for knobs
39853 36890 36891 71324 37831 71016
30900
RC -10238 (61-10)
Back-Cabinet back Clamp-Dial clamp-left hand Clamp-Dial clamp --right hand Dial-Glass dial scale Fastener-Push fastener (1 set) for cabinet back Knob-Control knob Spring-Retaining spring for knobs
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-53
MODELS 61-6,61-7
Ch .RC -594D
125A7 4 1 st oti T OSG.
*
-11.5V.(54OKC)
-19.1 V. (16OOKC) - 7.7v. ( 4.7 MC) -12.1V. <18.2 >AC)
ii,C10 .025
125K7 P.
125Q7
2MD. DET.,AF. A.btC
g- it TVmugsr--
pptìp c * -0,7V. © a3a a°AL6
SOL66T
OUTPUT
5.4 vc
C2a
.025
R7
MP 7,
ISO
040
240n
at .1.1V. C1.120
1
w L R2
"t-
3. EG.
ll((pp
o(b
-IC1105
JJ
i2ñ 12A CI4
160
<<
g731..I Ç
-- L.
4 CIS
Tt601
é
*62V-
R19i
720M
Kou
i)CIg
.005
IC17
T 220+
R8
470 M
IÌAJ'
OSCILLOSCOPE CONÑS
VERTICAL VERTICAL
HI
-0"
CAPACITOR ro
To T)115 POINT. THI:OUGH .01 Mr. C,FIAS5IS.
R0900
C11 O.1
R4 I MEG
=.0C0156
º
C30
VOL.
50 MF.
CONTROL
sKacn .i
it RM íiltll.
-C4
56
CATHODE CURRENTS
25A7
3 115Q7
2
4
129K7 304667"
352 5GT/6 RECT.
SI
n
2 POS RAND SW.
VIEWED FROM
NoADSNIDTSHIO(OMNWA.NX.
ICNFCRWOAN)T
POS SAND RANGE
1 GC. S40-1600 KC 4.8 -18.2 MC
CB
4 0
+
C7 2-
L7
4.Sn ToraL
(1) t9SA l
(2) IZ5K7
(3) 12557 -
((4ÿ)
50lGGT
TtOTAI RECT.
11.0 MA. 20.0 MA.
0.2 MA. 41.5 MA. 72.7 MA.
M:1000
BOTTOM VIEW OF TUBE SOCKETS.
COIL RESISTANCE VALUES LESS TNAN ONE OMM ARE NOT SHOWN .
*VOLTAGES
320% WITH
SHOULD RATED
HOLD WITHIN SUPPLY.
MEASURED WITH CHANALYST
OR VOLTOHMYST.
T15 1-1
I
05
52 0H VOL.
CONTROL
4
L7 -ox
C6 -Ox:
B.2 MC((,tCy
CS
C52
II
1
MC -
C2
3surrwM
C7-osC 1300 Rc
35Z5
GT/,
C37 -AKT 1300 KC.
OVMw rrRMY
Le -TOP L9 -BOTTOM 455 KC.
LS -TOP
LII-BOTTOM
455 KC.
117V. AC -0C
POWER SUPPLY
P -923155 -IA
Test-Oscillator.-For all
side of the test-oscillator
ceiver chassis, to avoid a -v -c
and keep action.
ttahhlreioguongsmhcielnlaatto.o0r1peormuatitpdiou. nt csa,aspcaloconiwtnoercatstotphtoehsesilborelwe-
Steps
Connect high side of
testtoo-se.
Tune ose.
ttoes-t
Turn dial
rtaod-io
Adjust fol. lowing for
max. output-
LI . L2
ANT. COIL
sl RSwEO
CPOwER
IT4AKS-,
2
12SK7
=1RAli5:
Ty ZIA
forCatthheodoes-cRillaoyscoApleignamreentshioswntheinprtehfeersacbhleemamtiecthoddra. wiCngo.nnections
Output Meter meter across the to maximum.
Avliogincme ecnoti.l,--altndthitsurnmeththeodreciesiveursedv,olucmoneneccotnttrhoel
dtdBhiuareCorliaandcblgicaababcraskianltitiniegostgnncmaaplenSelndacttam.ele.mu.so-TtTuhnbehteeeedxigntlraaeblsmiosnveeetulwnetfiihtntheghtadphnoieadilnlteemmfrtaayrfhkoarbnoedfeartmsehymearokrSveetfadoennrdefrnatohrcmdee
12SR7 I-F
1
grid through
0.1 mid.
capacitor
Ll 1-L10 (2nd I -F Trans.)
Stator of
455 ke
B. C.; 1800 kc quiet point
gang cond.
2
C2 (rear)
-
through
L9 -L8 (1st I -F Trans.)
0.1 mid.
3
Antenna
18.2 me
S. W.; gang condenser
C8 (osc.)
lead through
open
300 ohm
resistor
(ant.) 15.2 me
S. W.; maximum signal C3
rock gang
Dial Pointer. pointer should cast scale.
--With be set
the gang to the left
condenser hand mark
in of
full mesh the dial the Standard Broad-
5
800 kc
B. C.; 800 ke L7 (ose.)
Antenna
lead through
8
200 mmi.
1300 Ice
capacitor
B. C. rock
gan30g
kat
C37 (ant.)
C7 (ose.)
SHOWN WITH
GANG core AT -
CIAO CAPACITY
B. C.; rock
7
800 kc
gang at
L7 (ose.)
800 ke
E
Repeat step. 8 and 7
Dial Indicator and Drive ,%lechanisn,
Do not readjust L10 or L11 when test oscillator is connected to
C2.
Use minimum capacity peak if two peaks can be obtained. Image signal of lesser amplitude should occur at 14.3 mc.
NOTE.-Oscillator tracks above signals on both bands.
©John F. Rider,
www.americanradiohistory.com
?AGE 15-54 RCA
MODELS 61-6,61-7
Ch.RC-594D
Ilelamapj 4ejKP.if1f212434 ir
RCA MFG. CO.
12SA7
1ST. DET. & OSC.
/------- GANGED-- ---/
BAND -SWITCH SHOWN
AT
ST
1
POSITION.
BROADCAST BAND
540-1600 KC.
12SA7
1ST. DET. & OSC.
GANGED- - --------C-5-
BAND-SWITCH SHOWN AT 2ND POSITION CLOCKWISE.
SHORT WAVE BAND 4.8-18.2 MC.
OJohn F. Rider
www.americanradiohistory.com
RCA MFG. CO.
U
L
4
>
N Ñp
v°
TO3 S2
ea t.p -
lZ
o
.ar I
O
m
F
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tee©
e-
co
l98 o o
I
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á3-1-<"
(5
I
IHI
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N
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N
o In
ci
II
J o
Qo1Çd0gppa1J
RCA PAGE 15-5,
Mm EL QU61 Ch.RC-568B
^ sñ 33 N .-
1CIqU
á ÇÇÇ
r
In
á¢á
IHI CyI
rrrr
y(YA(O( l9WOmD
Ór
I
I
iJ >
I2g I ILLI
V
WíOOi
rc an>g
T -'s
II
.NNOJ N9110./M11
u
Na`
º
- eH^
^º^
J
11
J 3
mJ LL N
Yln
j4 / 'ua JLY/XNY ú11'N-
00E`-
JT
ff X
s nucNo,-l -W
IHI
º
I UÑ
jP ..(29J-USL,
191, I'
JR
0
Nl7fNt0t.0)Ó.
-11'ó ónI :iA
%
g
@
s 1 1
1Eä3 g g
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o.
2 e
tl
8 i <1$
g
g
3
n!g il $
°
g
"m
.1; gI;.b 1
g p&4@
I .° w
a ó§
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"r0-4
is S¡bs3á S. K
b
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+¢ P
ó
taiwÁbi7 O e
ÑV .deól!g
3 aa`po
°
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i VL:IgÁ4§á-ri eUáñOá.a
- '. 1.
N W
N W
L's
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©John F. Rider
For Dial data,etc.,see P.15-50 Record Changer:RCA Model 960001-5 www.americanradiohistory.com
PAGE 15-56 RCA
MODEL Qfl61
welwieed de-lie-matt:es //
RCA MFG. CO.
L1 PRI.
12 Si
FRONT 10
L6
C3
REAR 52
02
6SK7
R. F.
C9
R1
C6
GANGED
AVC
BAND -SWITCH SHOWN AT 1ST POSIT ION. BROADCAST BAND
540 -1720 KC.
L8
PR I.
L13
56 REAR
65A7
C12
1ST.DET.&OSC.
3
FRONT
C14
Ip S5
6 7
ll
1 R2
C52
C36
--rC16
_
AVC
L15 L16 B+
8+ 8+
FRONT S4
'-GA NG E D
6
C39 oi I
C42
C41
2-1z-HF-
io L25 io L26
1 C44
1 C48
L24
L28
GANGED--/
L1
PR I.
12 S1
FRONT
65K7
R. F.
C9
R1
C6
C3
GANGED
AVC
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE
MEDIUM WAVE BAND 3.0 -9.5 MC.
L8
PR I.
C12
HC13 FRONT
55
65A7
1ST. DE T.& OSC.
3
C 14
L35 L16 B+
R2
C36 IC16
L13
8
AVC
--GANGED
6
L12 54
FRONT'
C40
IC42
e+
C48,T
GANGED ----/ _
=
- 8 Or iFr ,Ft1"
%L25 b L26 b L27
C41
'2)6
SQS3 REAR
L1 PRI.
12d si
FRONT LS
REAR 52
2r ,
65 K7
R. F.
C9
R1
ANGED
AVC
BAND -SWITCH SHOWN AT 3R° POSITION CLOCKWISE
31 METER BAND 9.5-11.7 MC.
LB
PRI.
C12
FRONT 55
6SA7 1ST.DE7&OSC.
C14
L13
¿g=Cil
R2
C36
T.,C 16
56 REAR
AVC
54 "-- GANGED
6 FRONT
B+
55
FRONT
IC46 TC47 C48 GANGED
C37
-
L26 53 REAR
LIS L16 B+
B+
©John F. Rider
www.americanradiohistory.com
Viteles4m1 scheina/jcd.
RCA MFG. CO.
RCA PAGE 15-57
MODEL QII61
L1 12
51 FRONT
REAR 52
C9
TC5
C6
GANGED AVC
65A7
1ST. DE T.8 O SC.
AVC
S 4 FRONT
B+
BAND -SWITCH SHOWN AT 4TH POSITION CLOCKWISE
25 METER BAND 11.7-15.1 MC.
c 48
C46
-- - GANGED
Nt' -4-tr
REAR 52
65K7
R.F.
C9
L1
R1
TC4
\ C6
GANGED
65A7
1ST.DET.&OSC.
3
FRONT
C14
55
T111 ßl0 C10
R2
C36
7-9,16
AVC
=
55 FRONT
54 ""---GANGED
6 FRONT
L15 L16 8+
8+
AVC
ó 11
56 REAR
C45
B+
BAND -SWITCH SHOWN AT 5T" POSITION CLOCKWISE
19-13 METER BAND 15.1- 22.5 MC.
T
C46
C48
\-GANGED
S 3 REAR
-GIMMICK
©John F. Rider
www.americanradiohistory.com
PAGE. 15-58 RCA
.YCDEL QU61
Ch.RC-568B
RCA MFG. CO.
Cathode-Ray Alignment is the preferable method. Connections for the oscilloscope are shown on the schematic circuit diagram.
Output Meter Alignment. -If this method is used, connect the
meter across either voice coil, and turn the receiver volume control to maximum.
Test -Oscillator. -For all alignment operations, connect the low
side of the test -oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a -v -c action.
Calibration Scale on Indicator -Drive-Cord Drum -The tuning dial
is fastened in the cabinet and cannot be used for reference during alignment, therefore a calibration scale is attached to the rear of the indicator -drive -cord drum which is mounted on the front shaft of the gang condenser.
As the first step in r -f alignment, check the position of the drum, it should correspond to that shown in the Dial Indicator and Drive Mechanism drawing when the gang condenser plates are fully meshed. The drum is held to the shaft by means of two set screws, which must be tightened securely when the drum is in the correct position.
Pointer for Calibration Scale. -Improvise a pointer for the calibration scale by fastening a piece of wire to the gang condenser frame, and bend the wire so that it points to the "180°" mark on the calibration scale when the plates are fully meshed.
The setting of the gang condenser is read on this scale, which is calibrated in degrees, The correct setting of the gang in degrees, for each alignment frequency, is given in the alignment table.
Receiver Dial with Calibration Scale. -To determine the
sponding frequency for any setting of the calibration scale,
correrefer
to the drawing.
Spread-Band Alignment.- The most satisfactory method of aligning or checking the spread -bard ranges is on actual reception of short-wave stations of known frequency, by retouching the magnetite -core oscillator coil for each band so that these stations come in at the correct points on the dial:
In exceptional cases, when the set is being serviced in a location where the noise level is high enough to prevent reception of short-wave stations, d test -oscillator may be used for alignment, but an extremely high degree of accuracy, is required in the frequency settir.gs of the test -oscillator, as a slight error will produce considerable inaccuracy on the spread -band dials. The frequency settings of the test -oscillator may be checked by one or both of the following methods:
1. Determine the exact dial settings of the test -oscillator (for frequencies at or close to the specified -alignment frequencies) by zero-heating the test -oscillator against short-wave stations of known frequency.
2.
Use harmonics of the standard -broadcast range of cillator, first checking the frequency settings on this
a test-osrange by
means of a crystal calibrator, or by zero-beating against
standard broadcast stations.
When a test oscillator is employed for spread -band alignment, a final check should be made on actual reception of short-wave stations of known frequency, and the magnetite -core oscillator coil for each band should be retouched so that the stations come in at the correct points on the dial.
40.
12,1
SPIT
'`ljUb.aji:7 .IV °;"
Jnu
CAS
hr\f I Ìfi.rIL'- n1"Ss.ip-1\ l
15111 MAY.
p ) 7Ee,1 n ED) ... 11;eij
r
+
R. F. Wiring Diagram (Bottom V.ew)
Cls 15N -02T
11.8 NC
77,'N
6U5 665
C1 -ANT. C2-ANT C5-ANT
131 11.5 NC 93 NC. 1500,(C. _AJ ILI-_:JI1L,_J I,-: co
lICNO.Olr
-- SSNc
\ 1ó5050c[c C9O42SC 9.SNc
cs b^fpiJ t SoO KC /+' .../ / / L24 / t 680 NC
L 271
2e
19,8'.Z" / 7S-.3 a
X-05C3?M
-O5C 9.5 NC
25N-O5c iS.2 NC
RADIO
Tone
C-PONN4reN. 0s.ocAcNDer
Connect the
Steps
high side of
the tteost--osc.
Tune osc.
ttoes-t-
Range Switch
Adlust the
TDurinal Rtaod-io
following for max. peak
output
6SK7 I -F
L18 -L17
1 grid in series
2nd I -F
with .01 mfd.
Quiet point transformer
455 kc "A" band 600 kc end
6SA7 1st dot.
of dial
L16 -L15
2 grid in series
1st I-F
with .01 mfd.
transformer
--3 Antenna terminal in series with
4
300 ohms
11.8 me 15.2 me
25 meter band
11.8 me (138.5°) 15.2 me (18.5°)
L27 (osc.)"
C1C5 l(d(aentt.).)'
C46 (osc.)*
Rock in
5 Repeat steps 3 and 4 until aligned.
6
15.2 me 19-13 meter 15.2 me L28 (osc.)
band
(156°)
Antenna
terminal in
L26 (osc.)"
(det.) 7 series with 9.5 me 31 meter 9.5 me
C2 (ant.)
300 ohms
band
(156°) CB
8
9.5 me "B" band 9.5 me C42 (osc.)
(11.5°)
9
Antenna 1,500 kc
1,500 kc
terminal in
(27°)
series with
"A" band
C44 (osc.) C3 (ant.) C52 (dot.)
10 200 mmfd. 600 kc
600 kc
L24 (osc.)
(149.5°)
Rock in
11 Repeat steps 9 and 10
Use minimum capacity peak if two can be obtained. If two peaks can be obtained, use the one obtained when the core screw is farthest out (counter -clockwise).
Use maximum capacity peak if two peaks can be obtained.
t Check image to determine that C46 has been rect peak by tuning receiver to approximately where g weaker signal should be received.
adjusted to cor14.29 me (29°)
NOTE: Oscillator tracks above signals on all bands.
PLUG TERM. VIEW
27M
RADIO-PHONO (2 P05.) SW. VIEWED FROM FRONT, AND
SHOWN IN RADIO (MAXIMUM
COUNTER -CLOCKWISE) POSITION.
12
1
C57
120
R9 470M RB
t2M
---15< CRYSTAL PICKUP
57 7
RIO 500 M
H.F. TONE CONTROL
Rj
15M
C25
.035
-C58
.01
R11 I MEG.
L.F. TONE CONTROL
R5o
100M
C.050451"
Se
M549
POWER SUPPLY
Radio-Pbono. Switch and Tone Control Strip
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 1.5-52
MODEL QU61' CheRC-568B
STOCK No.
DESCRIPTION
CHASSIS ASSEMBLIES RC -568B
37053 37994 37995
Board -"Antenna-Ground" board Bracket -Bracket (long) complete Bracket -Bracket (short) complete
with drive with drive
cord cord
pulley pulley
35642 Calibrator -Drive drum calibrator
37996 37059 12714
Capacitor Capacitor Capacitor
-Mica trimmer, dual, 2.5-10 mmf. (C8, C52) --MAiircatritmrimmemr,er,2-t1r2iplme,m2f..5-(1C015m, mCf4.2,(CCl,44C, 2C,46C)3)
33097 Capacitor-Ceramic, 4.7 mmf. (C37)
35646 39604
Capacitor Capacitor
--CMeircaam, ic1,0
8 mmf. (C41) mmf. (C13)
39041 Capacitor-Ceramic, 18 mmf, (C43)
70582 Capacitor-Ceramic, 47 mmf. (C5, C11)
39620 35644
Capacitor Capacitor
-Mica, 47 -Ceramic,
mmf. (C53( 47 mmf, (C47)
39622 Capacitor-Mica, 56 mmf, (C C36)
7112911 Capacitor -Mica, 66 mmf. (C4,, C10)
35645 39628
CCaappaacciittoorr--MCeircaam, ic10,0
68 mmf. (C45) mmf- (C17, C18)
39630 Capacitor-Mica, 120 mmf. (C19, C20, C21)
39636 Capacitor-Mica, 220 mmf. (C9, C12, C14, C51)
70667 Capacitor -Mica, 560 mmf. (C39)
39646 Capacitor-Mica, 560 mmf. (C55)
70687 Capacitor-Mica, 3,000 mmf. (C40)
71007 Capacitor-Tubular, .005 mfd., 1,600 volts (C29, C30)
70606 Capacitor-Tubular, .005 mid.. 200 volts (C23)
70629 Capacitor-Tubular, .007 mfd., 600 volts (C22)
70610 Capacitor-Tubular, .01 mid., 200 volts (C24)
70631 70615
Capacitor-Tubular, .01 mfd., 600 volts (C28, C31) Capacitor-Tubular, .05 mfd., 200 volts (C38)
70638 Capacitor-Tubular, 0.1 mid., 600 volts (C49)
70639 Capacitor-Tubular, 0.25 mid., 600 volts (C35)
32187 Capacitor-Electrolytic. 8 mid., ISO volts (C50)
37888
Capacitor-Electrolytic, comprising I section of 20 mfd., 450 volts; I ,section of 15 mid., 450 volts; and 1 section of
20 mfd., 25 volts (C33, C32, C34) (See Note)
37055 Coil-Antenna coil, "A", "B" and 31 meter bands (L4, L5,
37056
L6, L7)
Coil -Antenna
coil,
25
meter
and
19-13
meter
bands
(L1,
37093 35624 35625 35626 37058
37057
L2, L3)
Coil -Oscillator coil, "A". "B" bands (L24, L25)
Coll -Oscillator coil, 19-13 meter band (L28)
Coil -Oscillator coil, 25 meter band (L27)
Coil Coil Coil
---ORRs--cFFilclcaooitilol,,r25"cAomi"l,e, te3"r1B"amndeatne1dr9-1b33a1nmdmete(eLtre2r6b)abnadnsds(L8(,L1L19,,
L10) L12,
37992 37151 32634 12006 32634 31259
35788
L13. L14)
CCoonntdroeln-sVero-lVumareiabcolentrotul nainngd
power switch condenser (C6,
017, C16,
S10) C48)
CCoorrde --ADdrijvuestacbolred
(approx. core and
24" overall stud for I -F
length) transformers
CCoobrrdean--IAdnddojiusccsaittlaloabrtloercoccroodriles(aaapnnpddrosxtf.uord411f"9o-r1o32v5emrmaelteletrelrebnaagnnthdd)
31 meter osc. coil
Core -Adjustable core and stud for ABC band oscillator
coil
35768 Drum -Drive drum less calibrator
-5 28452
30868 12493
PPlluagte--2Backoenltiatcet
mounting plate female plug for
for capacitor motor cable
=37888
Plug contact female plug for speaker cable
39858 Pulley-Drive cord pulley
34189
Resistor -Voltage divider, consisting of 1 section of 5,000
ohms, 6 watts 1 section of 5.000 ohms, 2.5 watt; and 1
section of 195 ohms, 3 watt (1117, RIB, R19)
30492 Resistor, 22,000 ohms, 14 watt (114)
30685 Resistor -33,000 ohms, 1'4 watt (R20)
30650 Resistor -56,000 ohms, 1'2 watt (R21)
3252 Resistor -100.000 ohms, 1/4 watt (R13)
14583 Resistor -220,000 ohms, 1'z watt (R12)
30651 Resistor -270,000 ohms, 14 watt (R5)
14983 Resistor -330,000 ohms, 14 watt (11141
30648 Resistor -470.000 ohms, 1-2 watt (116, R16)
-I 30652
30649
Resistor megohm, 14 watt (R1, 112, 1122)
Resistor -2.2 meaohms, 14 watt (R3)
-I0 30992 Resistor
megohms, 1,4 watt (1115)
14350 Screw --=8-32 square head set screw for drive drum
-7 38842
36107 31364
Shaft-Tuning knob shaft and flywheel
Socket Socket
-Diaclonltaamctp
socket socket
located
on
rear
apron
of
chassis
31251 Sockel --Tube socket
34864 31261
SSopcriknegt--TRuentainingintgubespsroincgketfor 19-13 meter band coil core and stud and for oscillator coils' core
oscillator and stud
assemblies
31418 12007
Spring-Drive or indicator cord spring Spring -Retaining spring for I -F transformers'
core
and
stud assemblies
STOCK No.
DESCRIPTION
37993 35636
STwraintcshfo-rRmaenr-gFeirsswt itIc-Fh
(Si. 52, 53, 54, transformer (L15,
55, 56) LI6, C17,
C18)
36615 Transformer-Second I-F transformer (L17, LIB, C19, C20,
34183 33786
2917
TrC5a0n5-1s6f)0orcmyecrle-Po(Tw3)er(FtorranSspfoercmifiecra, tio1n10R/1a2t5in/1g5s0/A210a/n2d40 Transformer-Power transformer, 105/120 volts, 25-60
volts,
C)
cycle
Wa(Ts3h)er(-F"oCr "SpewciafsichaetrionforRatutinnigngB)knob shaft
SPEAKER ASSEMBLIES
70574 5118 70686
92520-1K
CSPpoluengae-k-3eCr o-p1nr2eo"nagnPdmMavloesipceepalkcuoegirl
assembly for speaker complete with
cone
and
voice
coil less plug NOTE: If stamping agree with above parts by referring to stamped on speaker
on speaker in instrument does not sampneodadkeeflurlnl undmuebsmcerbrieprot,ifonionrsdoterfurpmaerrentpt,rleanqcueummirbeedenr.t
SPEAKER ASSEMBLIES
92516-2K
70574 5119
31539 70573
CPPSollpuuneggea--k-35Cero-pcn1roe2onn"tgaacnEtmd.Mafevl.emoisacppleeleuagckpoeliuflrogracsofssopmerempalsbkeplteyeerakweirth cone and voice
70688
TNapstgarOacarrmTotensiEespl f:ebodlyrwemsIifsroteehnrfos-etuOsaratrpmpbiuenuoptagtpvikneuetgtrrtoansatompsrnnfaeodonadrksemsffelpoureelrnrlmaukndmeaeeurnrbsmdce(rbTriine1ppr)otl.ifuiongniossntrsrdoutrefmurmpeanerrtnet pt,ldraeocnqeeuusmmirebenndeotr.t
MISCELLANEOUS ASSEMBLIES
X1601 Baffle -Baffle board and grille cloth
4287 Body -Phonoinput cable connector body
36639 Bracket -Lamp bracket
70556 Bumper -Rubber bumper for tray
39630 Capacitor -Mica, 120 mmf. (C57)
70606 Capacitor -Tubular, .005 mid., 200 volts (C54)
70610 Capacitor -Tubular, .01 mfd., 200 volts (C58)
70614 Capacitor -Tubular, .035 mfd.. 200 volts (C25)
30716 Clip-Tuning tube clip
36109 Control-L.F. tone control (R11)
35629 Control-H,F, tone control (RIO)
70694 Cushion-Rubber cushion
36156 Decal- HF. tone control decal
36155 36074 37839 70669 35387
DDDDeeeeccccaaaallll-----RTLR.iaaFndo. digoete-opnmhseoawrnikctocohndtserwocdlaietlccdahlecdael cal
Decal -Volume control and power
switch
decal
39923 4286
37996
DIFeriraarlmt-_-elGe-D-lPaishasolndofir-aailnmpesuctaalsecsaebmleblyfelrerussle
and tube
bushing clip, indicator
and
dial
70691 70692
Guide -Guide Guide -Guide
rail-L.H. rail-R.H.
70690 70693
Hinge-L.H. Hinge-R.H.
cabinet cabinet
door door
hinge hinge
36593 13103 36038 35814
11891 70546
Indicator -Station selector indicator JKKLMeannwomcoouoebbpnnl--t--sViRnPDisgoaitiildl-anouOigltmonl-leoaaepfmmhcofppsoonenuottcrraooopfrl(,4)rrteaoucnnopgerpedecroscwnhtairantocndlhgeofkrronutomrubno(iu4n)ngtilnkognwoebhr arsdpwrinagres
30868 30870 36395
30436 36714 30409 3252 30648 71151
71152 70554
4284 30900
-7 PPlluuaggn--d22foucporronn(t4ag)ctcmlafaemlmepalpenluutgpsl.ufgor
Plug prong male plug for
for motor cable extension motor cable extension radio -phono cable
Resistor -12,000 Resister -15,000 Resistor-27.000 Resistor -100,000
ohms, ohms, ohms,
ohms,
4
144 14
watt watt watt watt
(R8)
(1131) (R32)
(R30)
RRReeesttaaisiintnoeerrr---4TT70rraa,0yy00rrooollllheemrr srr,eetta1a4iinniwinnaggtt
(R9)
strip strip
RSporlilnerg--CPhhaonngeerinptruaty
roller cable
connector
spring
Spring -Retaining spring for knob
70689 39360
SStuoppp-oMrte-Dchraonpismsuptpraoyrt
stop for
record
changer
compartment
39875
door Switch
-Radio
-phono
switch
(S7)
70555
70553 4285 2917
TTWWirraaaeyss-hh-RReeurre--bcRPboheerotrdaniontciriheniangnpfoguretwrtacrsaachybaelrerrryoiflniolnegrsruttlrraaatyiynglreoslwslearrsohlleerrs
NOTE: =37888 rating is 20-20-20 mfd., 450-450-25 volts.
©John F. Rider
www.americanradiohistory.com
PAGE 15-60 RCA
MODELS 64F1,64F2,
Ch.RC-1037;64F3, Ch.RC-1037A
RCA MFG. CO.
1A7GT/G
1ST DET. 8 OSC.
INS GT/G
l.F. AMPL.
1 HS GT/G
2HD.OET.-A.F-AV.C.
DOT TOM VIEW OF TU ESE
SOCKETS
P LI L2 153L 411.
CD
©
CHAT#CI1
2-IS 9-291
MMF
MMF.
Y© ® CI -.-
0.1
I--- -- TI
1ST I.F. TRANS. D a a AI
= >
ó
fó0 MMF.
Ñ -
=Go
MMF.
98K L
J
.C025
RB
IO MEG.
T2
r_-}--__1 2)40. I.F TRANS.
ID
S AI
-75 MMF
FI
I
R7
I
10 MEG.
70V.
c4
350
MMF.
CS
R3-
3.3 MEG.
CB 120
MMF
50 K STOP
VoL.COHTR I MEG.
I°0'2
TI29 MME
C5
.005
R5
I MEG.
CV45, Ch.RS-1001 3Q5GT/G
POWER OUTPUT
83V 113
BLU
-SV
10CG05Ñd3
v:
GO
RED
1
3AT.44n00-
R6 2.2 MEG.
SHORTING
OG
SOCKET (TERM. VIEW)
Co IF
USED ONLY
FFO E
WITH BATTERY
PLUG
ON CHASSIS
(TERM. VIEW)
R4 470
C 12
7-I26
MIIF
ge1L.24 n
2R2I 0K
89'd.
OSCILLOSCOPE CONFIS.t
VERTICAL. 14" To THIS POINT
VERTICAL
TO CHASSIS
Kc1000
VOLTAGES MEASURED WITH RESPECT TO CHASSIS AND SHOULD
HOLD WITHIN 120% WITH RATED
*SUPPLY. MEASURED WITH CHANALYST OR VOLTOHMYST.
SI SW. ON
VOL,CONTR.O
BLK
01
RED
INDEX
TAB
n RED
140 V. R
RECTIFIER
6XSGT/G
CI 20
2C02
MF.
MF.
PLUG ( REAR VIEW TO BATTERY OR ELECTRIFIER
GR RED
TI YEL-
R2 4700
SOCKET TEEM. VIEW (ON CHASSIS)
OSC. COI L (Toe VIEW)
ANT. COIL (TOP VIEW)
Frequency Range
= lU-YEL 855.
6 -'EL
n 5.7V
117 5
SUPPLY
ARIEki 6.55.
540 KC. -1600 C.
COPPER OXIDE
RECT.
GR. J
GR
o.2H4 4-jr.jfL 1.3V.
Cj
2aoo
2Co4oCi'
RI 27
MF. MF
M67
lie
SOCKET TERM. IEW
- 1946 P923117A-2
Intermediate Frequency .
455 SC.
Loudspeaker (922258-2)
Tube Complement
Size
4 x 6 inch PM
(1) RCA-1A7 GT/G
1st Det. Oscillator
V.C. impedance at 400 cycles
3 4 ohms
(2) RCA-INS GT/G
1F Amplifier
(3) RCA-11-15 GT/G...2nd Det., A.V.C., and A-F Amplifier
Power Supply Rating
STOCKIS (4) RCA-3Q5 GT/G ...
Power Output Rating
Undistorted Maximum
Power Output
160 MW. 270 MW.
(1) RCA Farm Battery Pack-VS022 or equivalent.
"A" Battery I% volts, Drain -0.24 amperes, "B" Battery 90 volts, Drain -10.5 MA.
(2) Electrifier-(CV-45) 105 to 125 volts AC, 50-60 cycles only.
o.
DESCRIPTION
No.
DESCRIPTION
71924 39640 39630 70622 70606 70611 70617 38593 .71404 71401
71160 71168
32634
70464 70469 *71161
70462
30550
71162
36230 30499 14138 14583 30652 30649 31417 30992 70467 70377 71163 37605 70390
71403 71400 71159
33726
CHASSIS ASSEMBLIES RC 1037-64F1, 64112 RC 1037A-64F3
Capacitor-Ceramic, 56 mmf. (Cí0)
Capacitor-Wica, 330 mmf. (C4)
Capacitor-Mica, 120 mmf. (C8, C9)
Capacitor-Tubular, .002 mfd., 600 volta (C3)
Capacitor-Tubular, .005 mfd., 400 volts (C5, C6)
Capacitor-Tubular, .05 mfd., 400 volts (C2)
Capacitor-Tubular, 0.1 mid. 200 volts )Cll
Capacitor-Electrolytic, 10 mid., 90 volts (C7)
Coil-Antenna coil (LI, L2)
Coil-Oscillator coil (L3, L4)
Condenser-Variable tuning condenser (C11, CI la, C12, Cl2a)
Control-Volume control and power switch (R9, SI)
Cord-Drive cord (approx. 41" long for 64F1 and 64112 and
approx. 43" long for 64F3) (R9, SI)
Drum-Drive drum
Indicator-Station Plate-Dial back
selector indicator plate complete with
four
pulleys
lesa
dial-
for 6413
Plate-Dial back plate complete with four pulleys less dial-
for 64F1 and 64F2
-4 Plug prong -3 Plug-Battery
male plug for shorting plug
battery cable pronged male
PRRRRRRRueeeeeeessssssslliiiiiiisssssssetttttttyooooooo-rrrrrrrD-------2642311r2i87..0v230,0em0,m00mmeco00geoehe0gorgmgodohooohhmshhh,mmpm,mmuysssl1s,,sl,4,e,wyy3w%%4yaatwwttwwwtaa(aaattR(tttttRtt4tS)((R((R()RRR2736),I)))R8)
Shaft-Tuning knob shaft
Shield-Shield for IA7GT 'G tube
Socket -Battery shorting socket --3 contact female
Socket-Tube socket
Spring-Drive cord spring
Transformer-First I.F. transformer (TI)
Transformer-Second I.F. transformer (T2)
Transformer-Output transformer (T3)
Washer-"C" washer for tuning knob shaft
71058
70471 70472 70475 70398 70476 .71166 37831 70474 70473
71165 71164
30900
71840 71844
35069 .71838
71839
12453 30788
71841
31027 37695
71837
SPEAKER ASSEMBLY 922258-2
Speaker -4" x 6' elliptical P.M. speaker complete with cone
and voice coil NOTE: U stamping on speaker in instrument does not agree
with above speaker number, order replacement parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS Back-Cabinet back for 64Fí Back-Cabinet back for 64F2 Clamp-Dial clamps (I set) for 64F1 and 6412 Clamp-Dial clamp for 6111.3 (2 required)
Dial-Glass dial scale for 64F1 and 64F2 DFKaniasotlbe-Gn-Telaur-snPsinudgsihaclofsnacstartloeelnefkorrnfoo6r4bF-c3iavboinreyt-fboarck64(FI 2set) KKnnoobb--TVuonluinmgekcnoonbtr-oml konttolebd-ivwoarlyn-ufto-fro6r46F42F1 and 64F3 Knob-Volume control knob-mottled walnut-for 64F1 and
64F3
Spring-Retaining spring for knobs
POWER SUPPLY RS 1001
Capacitor-Electrolytic, 2000 mmf., 6 volts (C3, C4)
CFaasptaecnietorr--P-uEslehctfraostletincedr ufaolr,
20 mad., 150 volts bottom cover
(Cl, C2)
Reactor-Filter Reactor
RRRSSooeeeccssckkiitssieettfttooi--err34r---42R7cc7eoo0cnn0otttihaafoccmiethtsrmff,eescYmm,o.. maa1wllepewaleatssttootetcc(Rkkw(ReeIitt2tlh)fomr obuantttienrgycbarbalceket
Socket-Tube socket
Transformer-Power transformer, 117 volt, 60 cycle (TI)
*This is the first time this Stock No. has appeared in Service Data.
©John F. Rider
www.americanradiohistory.com
RCA PAGE 15-61
RCA MFG. CO.
64F1, 64F2, 64F3
MODELS 64F1,64F2, Ch.RC-1037;64F3,
Ch.RC-1037A MODELS 65X1,65X2, Ch.RC-1034
Alignment Procedure
Cathode Ray Alignment is the preferable method. Connections for the oscillograph are shown in the diagram.
Output Meter Alignment.-If this method is used, connect the meter across the voice coil and turn the receiver volume
control to maximum.
Test Oscillator.-For all alignment operations, connect the
low side of the test oscillator to the receiver chassis, and keep the output as low as possible to avoid AVC action.
Pre-Setting Dial.-With gang condenser in full mesh, the
pointer should be set at the left-hand end dial calibration mark.
Critical Lead Dress 1. Keep output plate capacitor dressed close to the chassis. 2. Keep lead from lug A of second IF transformer down and
dressed close around the INS tube socket. 3. Dress INS plate lead close to chassis. 4. Dress Cl down and away from the antenna coil. 5. Dress C3 and CS away from each other. 6. Dress the lead from 2nd IF transformer to the volume
control in the open.
to- to- Steps
Connect high side of the test
oscillator
Tune test
oK
LF. (1155) grid
in
1
with esd.
iegrid
455 kc
2
lAin
with se mfd.
Turn dial
rtaod-io
Quie point
aft the
low freq. end of the dial
Adjust following for marimum peak output 2nd I.P. trans.* 1st I.P. trans.
3
Antenna (blue)
1300 kc
1300 Irelead
L) C11A (a
la series with 200 stmt.
600 ke
600 kc
(Ose.) and (ant.) slugs
5
Repeat steps 3 and 4 for exact alignment.
*D9 no repeat step t.
LbI -oLo2
ANT. KC
5HOWN WITH GANG CONO. AT MAKIMUM CAPACITY.
NOTE:-
When using the electrifier, remove the shorting plug on the chassis adjacent to the 1A7GT/G tube and replace it with a similar plug, attached to the electrifier. Also connect the remaining plug attached to the electrifier, in place of the normal battery plug. The receiver will operate in the normal manner, using the same control for turning the set on and off.
NOTE:-
Do not plug electrifier into a DC outlet.
65X1,
Output meter Alignment-if this method is used, connect the meter
across the voice coil, and turn the receivér colume control to maximum.
Test-Ostinater.-For all alignment operations, connect the low side of the test -oscillator to the receiver chassis, and keep the oscillator output as low as possible to avoid a -v -c action.
Calibration Scale.-The glass tuning dial .may be removed from the cabinet and mounted above the pointer for reference during alignment. The extreme left hand mark of the Standard Broadcast scale must be in line with the left hand mark on the dial backing plate.
Dial Backing Plate.-In the event that only the chassis is returned for
service, the marks on the dial backing plate may be used during alignment; refer to the Dial indicator and Drive Mechanism drawing for corresponding frequencies.
Dial Pointer.-With the gang condenser in full mesh the dial pointer should be set to the left hand reference mark on the dial backing plate.
For additional information refer to booklet "RCA Victor Receiver Alignment."
65X2
Connect the side of highSteps
test-otose-iWtor
Tune
testto-o-se.
Turn
radtioo -dial
Adjust the following for maoru.tppuetak
12SX7 I -F grid
l
through 0.1 mfd.
capacitor
455 ke
Stator of
2
C2 through
0.1 mfd.
Quiet-point 1,600 ke
end of dial
Ca and C9
2nd I-F
transformer
C6leat nId-FC9
transformer
3
Ant. lead
1,300 Ire
1,300 ke
C3 (osc.) CI (ant.)*
in series with
4
200 mmfd.
600 ke
"Ab"opBkacnd
LS (ose.) Rock gang
5
Repeat steps 3 and 4
Do not readjust C8 or C9 when test oscillator is connected to C2.
346"---G00
I
I
SHOWN WITH GANG CONDENSER AT MAX.
CAPAC try.
Io 1000
I
IjO
DRIVE CORD
21 TURNS
DC 17
Dial-Indicator and Drive Mechanism
Tube and Trimmer Locations
©John F. Rider
www.americanradiohistory.com
RAGE 15-62 RCA MODELS 65X1,65X2 Ch.RC-1034
RCA MFG. CO.
MEASURED WITH 3V. FIXED BIAS
62000
X
KC
.
Goo -a55 KC, 425KC.
45 Ino5)KC. -+I-4o.55 C. Kßx
50X 400
(BOTTOM VIEW OF TUBE SOCKETS
125A7 IST. DET.6 OSC.
1-- C0.214
2 125K7
LF
81V.
3
12507
2140. DET. A.F. AND AVC
a o
4 CI
C2
2-17 77 a""14-4.4.6
PRI. LI CLIP.
©.
EC L2
1n
01..43n
C3
7-17
i R
r
)
>
-1 15T4.5IF8. TKRCANS.
e
m
dr GfiN
' pL7 I
7C5W-6o14 G'LAQ
I
LC7
oPrS-'
-73-WO
I
C4 RED 7-133
;-1.-1Y
á
`
r21
2ND. IF TR.
455 KC.
La oL9
: V 44
GREEN
7C58-196E 04a:
viZ
1
5.1
c1Q
L j-11T RED
75-160
1C2Ó
I
Zö ;
BRN_
1
-
2T777
-CIS
.OI
0 INDEX
TAB
INDICATES COMMON WIRING
OSC.
m
4
1 3V. FIXEFORD BIA 5 GAIN DATA
I.OC152
'VW R4
3.3 MEe.
t5a0e0K
STOP AT
50K
I.C0124
VOL. CONTR.
MEG. _
- INSULATED FROM CHASSIS.
COIL
4090x,v
( APPROX. GAIN DATA
4
5OL6GT
USING CHANALYST
OUTPUT
4.2V
Co127
R9 120
.C0I0A5 C23- RB 330T 470K
-
220 K
ó
TI
BLU
v.0
220n2
Ó
En
O
t0
RIS 120c
5
INDICATES
3525 GT/0
CHASSIS GROUND.
3
I
2
RECTIFIER 112
K a 1000
LOOP ANTENNA
82 III
e4
12507 12547 125147 50166T VOLTAGES MEASURED WITH
RESPECT TO COMMON -B, AND SHOULD HOLD WITHIN 32OI
WITH 117 V. AC. SUPPLY.
Iele .OS
-~ DIAL LAMP ll MAZDA 451
o 51
Power Supply Rating 105-125 volts, AC, 50 or 60 cycles, or DC
* MEASURED WITH CHANALY ST
OR VOLTOHMYST.
30 watts
P-923104-4
ON VOL. CONTR.
fT7V. 50- GO,
OR DC 25 W.
POWER SUPPLY POLARITY. -For operation on d-c, the power plug
must be inserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a-c, reversal of the plug may reduce hum.
Frequency Range Intermediate Frequency
Critical Lead Dress
Power Output
1. Dress blue and green leads of both I -F transformers back in shield cans,
Undistorted
leaving them as short as possible.
Maximum
J_-J C20 LJ
50 MF
I
1
C19
Y30 MF
I
CATHODE CURRENTS
125A7 _ _ - 8.5 M. 12SK7 - - - 12.1 MA. 12Sß7- - - .12MA
SOLAGT - - 33.0 MA, 352150T/ó - 54.1 MA.
540-1600 kc 455 kc
1.0 watt 15 watts
2. Dress all heater leads next to chassis. 3. Dress power cord toward output transformer away from volume control
and audio circuits. 4. Dress capacitor (C14) toward switch and parallel to chassis length.
5. Dress capacitor (C16) back against rear chassis apron. 6. Dress capacitor (CI7) over and towards 5OL6 socket perpendicular to
capacitor (C14) and (C16),
7. Dress pilot lamp leads over second I -F transformer and away from tubes.
Tube Complement (1) RCA -12SÁ7 (2) RCA-12SK7 (3) RCA-12SQ7 (4) RCA-50L6GT (5) RCA-35ZSGT
Pilot Lamp
Loudspeaker (9222584) Type V. C. Impedance
Converter I F Amplifier 2nd Det., A.V.C., and A.F. Amplifier Power Output
Rectifier Mazda No. 51, 6-8 volts. 0.2 amp.
4' x 6' PM
3 4 ohms at 400 cycles
STOCK No.
70389 39640 70606 70610 70611 70615 70617 70408
070477 "70463
70322 32634 * 70464 O70469 11765 *70468 *70462
36230 30189 6134 30492 14583 30648 31417 30931
DESCRIPTION
CHASSIS ASSEMBLIES RC 1034
BCeaapraicnigto-rT-Muniicnag,
knob shaft bearing 330 mmf. (C23)
CCaappaacciittoorr--TTuubbuullaarr,,
.005 mfd., 400 volts (C1ó) .01 mfd., 200 volts (C15)
Capacitor -Tubular, .02 mfd., 400 volts (C14, C17)
Capacitor Capacitor
--TTuubbuullaarr,,
.05 0.1
mfd., mid.,
400 400
volts volts
(C12, (C24)
C18)
Capacitor -Electrolytic, comprising 1 section of 30 mfd., 150
volts and 1 section of 50 mfd., 150 volts (CIS, C20)
Coil -Oscillator coil (L3, L4, L5)
Condenser -Variable tuning condenser complete with drum
(CI, C2, C3, C4)
Control -Volume control and power switch (RS, SI)
Cord -Drive cord (approximately 38')
Drum -Drive drum
Indicator -Station selector indicator Lamp-Dial lamp-Mazda 51
Loop -Antenna loop (Ll, L2)
Plate -Dial back plate complete with drive cord pulleys less
dial
PRuelsliesyto-rD-r1i2v0e
cord pulley ohms, )4 watt
(R9)
Resistor -1200 ohms, 1 watt (R15)
( RReessiissttoorr--2222,00,00000oohhmms,s,i4ywwatattt(R(R1)7, R16)
Resistor -470,000 ohms, watt (R8)
Resistor -3.3 Resistor -4.7
megohms, megohms,
14
).
watt watt
(R4) (R6)
STOCK No.
70467
34449 37605 70390 070465 70466 70385 33726
70470
*70471 *70472 070475 * 70476
37831 *70474 070473 *71821
30900
*THIS IS THE FIRST TIME THIS STOCK NUMBER HAS APPEARED IN PRINT.
DESCRIPTION
Shaft -Tuning knob shaft
Socket -Lamp socket
Socket -Tube socket -moulded
STprarinnsgf-oDrmrievr-eFciorsrdt
tension spring I.F. transformer
(L6,
L7,
C6,
C7)
Transformer -Second I.F. transformer (L8, L9, C8, C9,
TWrCaasnlhslef,or Cr-m1"3Ce)r "-Owuatsphuert
transformer (TI) for tuning knob shaft
SPEAKER ASSEMBLY 922258-1
- Speaker
NOTE: If stamping on speaker in instrument does not agree with above speaker number, order replacement parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS ASSEMBLIES
Back -Cabinet beck for 65%1
BCDFaaliaascmltke--pnGC-eDrlaa-bisPaisnuledsctihlaalbmfasapccsskatleef(no1er sr6e5(t11)1.2set) for cabinet back
Knob -Control Knob -Control Knob -Control
kkknnnooobbb---mm-ivoaortrotlyoe-nd-f-owfroa6lrn5%u6t52-%f1or
65%1
Spring -Retaining spring for knob
1946
©John F. Rider
For Alignment and other data, see P.15-61
www.americanradiohistory.com
RCA MFG. CO. it <
RCA PAGE 15-69 MODELS AR-77,AR- 77E ,
Early
7
11,4
UN
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-"A0.A00AM00I1 rn
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C[n
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pcu.000te-i 22
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a
0300 0 SCn
03001 ecn
.ui<Y
an CANSO
_cric) Arlo 022
WS4J . e211
<S0
000090 r}
0Ao SO
H- aSJ
000000)4
H1 .r}} 1"
. . SM2nt,lM.I
-- OOOVa
b2n
',JOG 22
wM7
}
Qó
rv
I11
I I
02-O1S10-tPhS
-IIi1 0.1n SO
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L2 aln
CSwO e
sOÒ-OUÜ
ale
o211
HI 0Aartl'1) 0
OWONDW001
i
000
e
WAdàooñti -aLC abtl00
OAODS OLD
MI 'e,Orntt, e0S0W.u0An0M11., i.
-"Doo ooi
iiñ nenSo-
rv}
o
-Vó FI
3} p7}
906m--1 1;''
Q9 49R0
e¢a
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331.1 -01.12S
7-;
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PAGE 15-64 RCA
MODELS AR-7-7,AR-77E,
Early, Late. Revised
dchfflialies"
RCA MFG. CO.
CONVERTER
6K8
TY
59
BAND-SWITCH SHOWN AT 1sT POSITION. BAND 1
540 TO 1340 KC
R S. AMP.
65K7
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CONVERTER
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MODEL ONLY
59
BAND-SWITCH SHOWN AT 2ND POSITION CLOCKWISE
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53
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BAND-SWITCH SHOWN AT 3RD POSITION CLOCKWISE
BAND 3
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= C45 RIO e+
©John F. Rider
www.americanradiohistory.com
Ile/ 'eeci 1C{f2illfi.L[Cd
RCA MFG. CO.
R.F. AMP.
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RCA PAGE 15-65 MODELS AR-77,AR-77E,
Early, Late, Revised
C7 Ica I C9
I -"_
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BAND -SWITCH SHOWN AT 4TH POSITION CLOCKWISE
BAND 4
5800 TO 10200 KC
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@John F. Rider
www.americanradiohistory.com
PAGE 15-66 RCA
MODELS AR-77,AR-77E,
Early
RCA MFG. CO.
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RCA MFG. CO.
RCA PAGE 15-67
MODELS AR -77, AR -77E, Early
TUBE SOCKET VOLTAGES
Tube
Cathode to Screen Grid
Ground
to Ground
Plate to
Ground
Suppressor Grid to
Ground
Oscillator Plate to
Ground
Heater (A.C.) Pin No. 2 to
Pin No. 7
V8
- RCA 6SK7
3.0
90
180
3.0
(R -F Amplifier)
(Pin No. 51 (Pin No. 6)
(Pin No. 8)
(Pin No. 3)
6.1
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RCA -6K8
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240
60
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(Pin No. 8)
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6.1
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6.1
6.1
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RCA -6F6
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EQUIPMENT
Model 'AR -77: Domestic Model in Cabinet (sec "Line Rating") Model AR -77E: Export Model in Cabinet (see "Line Rating") Model AR -77E: Export Model on Rack Panel (105-125 V, 50/60 cycles) Model AR -77E: Export Model on Rack Panel (105-250 V, 50'60 cycles) Optional Equipment:
MI -8302 MI.8302A MI.8302B MI -8302C
Loudspeaker in Cabinet *Loudspeaker on Rack Panel
Panel Kit for Rack Mounting of Model AR -77
Panel Kit for Rack Mounting of Loudspeaker ....
Power Pack for Model AR -77E (117 volts d -c) Power Pack for Model AR-77E (234 volts d -c) Phone Plug
Headphones A -F Coupling Transformer for 500 -ohm line * Export sale only.
MI -8303 MI.8303A MI.8304 MI.8303 , MI.8307.2 MI.8307.3 MI.6216 MI.5803 MI.4904
Signal -to -Noise and Image Ratios:
Band
FreKuCency
Microvolts Input for 2:1 Signal -to-
Noise Ratio
Image Ratio
1
540
1.6
50,000
1,340
2.8
3,900
2
1,340
2.0
5,000
3,300
2.3-
910
3
3,300
L9
5,800
1.7
1,000 320
4
5,800
2.0
550
10,200
1.8
100
5
10,200
2.3
380
18,000
2.5
88
6
18,000
2.2
60
31,000
1.5
25
©John F. Rider
www.americanradiohistory.com
PAGE 15-68 RCA
MODELS AR -77 , AR- 77E ,
Early
RCA MFG. CO.
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www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE. 15-69
MODELS AR-77,AR-77E
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PAGE 15-70 RCA
MODELS AR-77,ÁR-77E, Late
RCA MFG. CO.
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-71
MODELS AR-77,AR-77E,
Revised
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PAGE 15-72 RCA
MODELS AR-77,AR-77E, Revised
RCA MFG. CO.
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RCA PAGE 15-73
!RCA-6SK7 (v5) --N RCA-5Y3G 10) RCA -150-30 (V 9)
JI
PH- 50135
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A.V.C.
POWER
CORD
SPEAKER 6VOLT
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TERM. A-C HEATER
ANT. TERM.
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RELAX
GND. TERM.
R20
A. Rack -Type Chassis
RCA-5Y3G (V10)
RCA-VR 150-30 (V 9)
L 20
T3
RCA-6SK7 (V 8) ---_
RCA-6SK7 (v7)
C 84, C 85 T2
RCA-6SK7 (V5)
RCA -6K8
(v6)
RCA -6H6 (v i)
RCA-6SJ7
(V2) RCA-6F6G
Figure 3-General Purpose Communication Receiver
(Chassis Top Views)
©John F. Rider
www.americanradiohistory.com
C77,C78
PH -50133
B. Cabinet-Type Chassis
PAGE 15-74 RCA
MODELS AR-77,AR-77E, Late, Revised
RCA MFG. CO.
TECHNICAL SUMMARY
All performance data 'were obtained on an average receiver. Slight variations above or below these values may be encountered duo to practical manufacturing tolerances. A 300 -ohm dummy antenna was used in series with the receiver input in making all measurements.
- ELECTRICAL CHARACTERISTICS
Frequency Range (total, 6 bands) Band 1 Band 2 Band 3 Band 4 Band 5 Band 6
540 to 31,000 kc 540 to 1,340 kc
1,340 to 3,300 kc 3,300 to 5,800 kc 5,800 to 10,200 kc 10,200 to 18,000 kc 18,000 to 31,000 kc
Frequency Stability:
Warm-up Shift, 1 minute to 1 hour, 68° F. Ambient (Average Humidity Conditions) Less than 3.5 kc at 30 me
Shift with Line Voltage Variation, 105 to 125 volts Shift is proportionally less at lower frequencies
Less than 1,300 cycles at 29 me
Sensitivity: Input (30% mod.) required for 0.05 watt output
Less than 2 mcrctvolts
Signal -to-Noise and Image Ratios:
Band
KCNoise Frequency
Signal-to-Image Microvolts Input
for 2:1 Ratio
Ratio
1
540
1,340
0.9
50,000
1.7
3,900
2
J 1,340
1 3,300
1.7
5,000
1.9
910
3,300
3
5,800
4
f5,800
10,200
1.4
1,000
1.2
320
1.4
550
1.2
100
5
10,200
18,000
1.8
380
1.6
88
6
118,000
1.7
60
31,000
1.0
25
Maximum Undistorted Output (approximate)
3 watts
- Power Supply Requirements: Line Rating
Model AR -77
105.125 volts, 50/60 cycles
Model AR -77E
105.130/140.160/195.250 volts, 50/60 cycles
* See "EQUIPMENT" list below for special rack models and optional power packs available.
- Power Consumption
MECHANICAL SPECIFICATIONS
70 watts
Dimensions ' Weight (net)
201/4 inches (width) x 101/2 inches (height) x 11V8 inches (depth).
EQUIPMENT
481/2 pounds
Model AR -77: Domestic Model in Cabinet (see "Line Rating") Model AR -77E: Export Model in Cabinet (see "Line Rating" ) Model AR -77: Domestic Model in Cabinet (105.125 v., 25 cycles) Model AR-77: Domestic Model on Standard 10 -15/32 -inch Panel (see "Line Rating") Model AR-77E: Export Model on Standard 10.15/32 -inch Panel (see "Line Rating")
MI.8302D MI.8302E MI.8302F MI.8302G MI.8302H
Optional Equipment:
Loudspeaker in Styled Cabinet to match Receiver .
Loudspeaker on Standard 10-15/32 -inch Panel ....
Extended Range Loudspeaker in Console Cabinet . Extended Range Loudspeaker in Wall Type Cabinet Panel Kit for Rack Mounting of Model AR-77 (12.7/32 -inch Panel) Panel Kit for Rack Mounting of Loudspeaker (10.15/32 -inch Panel) Power Pack for Model AR -77 or AR -77E (105-125 volts d -c) Power Pack for Model AR-77 or AR-77E (210-250 volts d -c) Power Pack for Model AR-77 or AR -77E (6-volt battery) Phone Plug Headphones
A -F Coupling Transformer for 500 -ohm line
41
Mí.8303 MI.8303A MI.8314 MI.8314A Mí.8304 MI.8305 MI.8307.2 MI.8307.3 Mí.8308 MI.6216 Mí.5803 Mí.4904
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-75 MODELS AR-77,AR-77E,
Early, Late, Revised
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PAGE 15-76 RCA MODELS AR-77,AR-77E,
Early, Late, Revised
RCA MFG. CO.
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©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-79
MODELS AR-77,ÁR-77E, Late,Revised
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©John F. Rider
www.americanradiohistory.com
PAGE L5-80 RCA
MODELS AR-77,AR-77E, ILarly, Late, Revised
RCA MFG. CO.
+8 +4
0
4 8 -12
16
20
30
i i
- - AR -77 OVERALL FIDELITY WITHOUT NEGATIVE FEEDBACK WITH NEGATIVE FEEDBACK
100
FREQUENCY -CYCLES m GG® 04ci 0000 m t£ O
1000
;
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Figure 7-Fidelity Curves
(S-851298)
10,000
c ® ©e ® ®m©®c
AEM
DESCRIPTION
1 PANEL ASSEMBLY
,ffl
DESCRIPTION
20 KNOB
2 STRAP ASSEMBLY
21 KNOB
3 STRAPA55EMBLY
22 KNOB
4 WINDOW MASK 3 JACK.
23 MACH. SUR. R.H. M-20 O 54 L6.
24 LOCKWASHER A
BI. G
7 8
SPACER
25
MACH. SCR.nxw MB-32w1e L4. 26
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MACH.SCR. MACH. SCR.
H
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LOCKWASHER4
0 IO9
NUT HER. 8-32
LOCK W ASHER
28 NUT HER 4-40
29 MACH.SCR.RH.G32. 3%L4.
II BOTTOM PLATE 12 SPACER
30 LOCK WASHER G 3! NUT HEY. 5-32
13 MONOGRAM PLATE
32 CARP HOLDER
14 CHASSIS ASSEMBLY
IS METER IG CLAMP 17 SPACER
°W."r% 33 WINDOW
34 SCREW
94,40 o LG.
4 35 NUT HER 4-40
36 LOCKWASHER
18 WINDOW 19 K910e
37 WASHER 38 WASHER
Nolf.-
INR TotIN4.-
qiERR1921915,1CLAnPTEMIu2
BIINOBS T n19, 2
«Y ITEM H, CERS iTEnqiTiS,21,92.3t.112293 We,
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©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-81 MODEL 95X6
x.3V VOL CONTA NAR
130V )VOI CONTA. MIN I4V VOI CONTA MIN
6K7 BOTTOM VIEW
y R.F._
OF TUBE SOCKETS
6J7-DET,
x C
.0
MFD. L1 60
C17 .01 MFD.
ANTI COIL
C2 12-400
DET.
COIL
MMF,
L2
1r C3 3-1s MMF. 200n
SECT.
L3
95a
VOL. CONTRÜ RI 50,000a TOTAL
3!
:.pop /C4 0.1 MM./
t R9,/ 1OMEGS.
L4
4.55 rC6
3-15 /1771 ?HMV
4\ 1
CS `3 C15
12-400 ".025
MMF. MFO.
4CB .01
MFD. R3
II
2.2 ME G.
I
FIELD
R6
1S0
C9 300 MMF,
o
O
R
C16
0.05
MFD.
\51
C12 0.1 MFO.
`©CT. oó© tzO
25Z6 -G
' 4 l'!M Aa
O ® ,srv.
BLACK L6V \ELLOW
4OOn
CI3 16 MFD.
C14 16 MFD.
25L6 OUTPUT
.w © 0
CATHODE CURRENTS
O.SMA(VOLCONTR MIN)
I x.OM. AiVOL CONTA
o.13M.A.
7
41.0 IN
TOTAL RECTIFIED
"6
59 MA
C10
.01 MFD.
3 GREEN
1 INK
110a. Ti
L25.7s/
u(\JII
R5- PE"
1MEG.
Cl ) .035-
MFD.
HUM NEUT. COI L LT -0.5a
DIAL LAMP
R6
15n COLO 40A HOT
- BK55B BALLAST
TUBE.
-R7
ITOn
M -6645V-2
Frequency Range Alignment Frequency
540.1,760 kc 1,760 kc (ant., det.)
POWER SUPPLY I.ATINGa
A -C Rating D -C Rating
105-125
volts, 50-60 cycles, 105-126 volts,
50 50
watts watts
POWER OUTPUT (125 -volt, 60 -cycle supply) Undistorted
M aximum
1.0 watt 1.5 watts
LOUDSPEAKER Type Voice -Coil Impedance
5 -inch Electrodynamic 3 ohms at 400 cycles
Alignment Procedure
Reel up the antenna wire, and connect the high side of test oscillator through an 80 mmfd. capacitor to the antenna terminal on the antenna transformer. Connect low side of oscillator to receiver chassis through a 0.1 mfd. capacitor. Turn gang condenser to ,minimum (full out), tune oscillator to 1,760 kc, connect an output meter across the voice coil, and turn volume control to maximum.
Keep antenna roll and lead clear of chassis during alignment.
Adjust the two trimmers (C3 and C6) on side of gang condenser for maximum output, using lowest possible output from test -oscillator.
Turn pointer, while holding tuning knob, so that the pointer is horizontal and pointing to low-frequency end when the gang condenser is at maximum. Check pointer adjustment on a station.
25 -Cycle Operation
For 25 -cycle operation. connect a 16 mfd., 150 -volt dry electrolytic capacitor (Stock No. 31323) in parallel to C13.
cschooonnAunnlenedcctttennoatnht ae1b.0-e0aTnlhotteenongne2sar0et0'tthoiamsnmgerqf1odu0u.i0npcdpaf.eepdeatIc,fwitioinatrhcnluidaoduinst2deg5roi-oelfesroaodwta-iinntaht.nentetInhnfaeniatil.seiasduD-lsiooennd.g,neori,tt
Power -Supply Polarity.-For
must be inserted in the outlet not function, reverse the plug.
operation for correct
On a-c,
on d -c, polarity. reversal
the power If the set of the plug
plug does may
reduce hum.
31198 30883 14393
4858 30938
5199 30899
4839 12484 31323 30875 30876 31195 30877 31200 31196 4340 31193 31198 30880 13734 12285 13730 12679 13601 31197 31199 14171 31251 30631 31198 31966
31202 31201 31203
31205 30863 31079 30900
ANT COIL BK55B R
'OET-
2526G BALLAST REGT
TusE
4
RECEIVER ASSEMBLIES
Ballast-Ballast resistor tube type BK55B (R7,
CaRpaBc)itor-300 mmf. (C9)
Capacitor-.01 mfd. (C1, CB, C10)
Capacitor-.01 mfd. (C17)
Capacitor-.025 mfd. (C15)
CCCCCaaaaapppppaaaaaccccciiiititttotoooorrrr----r-0001.0...6211355mmmfdmmfiddif..dd(..C((1CC((3CC41,)1211)6C))14)
Coil-Antenna coil (LI, L2)
-2 Coil-Det.
Condenser
coil ,(L3, L4) -gang variable tuning
condenser-
(C2, C3, C5, C8)
Cord-Indicator drive cord
Dial-Station selector dial scale and plate as-
sembly
Indicator-Station selector Lamp-Dial lamp
indicator
pointer
Lead-Antenna lead-approximately 25 ft. long
Resistor-Ballast resistor tube type BK55B (R7,
ReRsi8s)tor-150 ohms, } watt (R6)
-1 RReessiissttoorr--417200,,000000
ohms, ohms,
} watt (R10) } watt (R4)
RRReeesssiiissstttooorrr--21.02mmemgee.g,g.,.,}
} }
watt watt watt
(RS) (R3) (R9)
Shaft-Indicator pointer shaft and pulley
Shield-Dial lamp shield
Socket-Dial lamp socket
Socket-Tube and ballast resistor socket
Spring-Indicator drive cord tension spring
Tube-Ballast resistor tube type BK55B (R7,
R8)
Volume control and power switch (R1, S1)
SPEAKER ASSEMBLIES (84202-4) Cone-Speake cone and voice coil (L5) Speaker-Complete Transformer-Output transformer (T1)
MISCELLANEOUS ASSEMBLIES`
Crystal-Station Knob-Tuning
selector or volume
dial crystal control knob
Screw-Chassis mounting screws and washers
Spring-Retaining spring for knob
©John F. Rider
www.americanradiohistory.com
PAGE 15-82 RCA MODEL 95X11
RCA MFG. CO.
125-400 TS- 2S0
ANA,-
M F
20150 12M-4F00
'C27.+
rA-7 CS
c
CHASSIS SYMBOL
DIRECTION OF
PUSH BUTTONS
' f28 f5 S26 527
3-113
IM Me 9 530 531
'55-400
MMF.
/
TMSM-2G5O
ZMOM- IGSO 1M2-M90/0
C2
C2.1 1C22 C23 J C24 . C2 I C
ANT COIL
BK55B
DET
25Z6G
BALLAST
S2 5W-";(1 522
52iTiL
b3-ISM' MF
525
TUBE 4
-01 MFD
6K7
R. F.
6J 7 DET.
R6
25L6
OUTPUT
Alignment Procedure
Remove chassis from cabinet. Reel up the antenna wire, and connect the high side of test -oscillator through an 80-mmfd. capacitor to the antenna terminal on the antenna transformer. Connect low side of oscillator to receiver chassis through an .01-mfd. capacitor. Turn gang condenser to minimum (full out), push in the manual -tuning (right-hand) button, tune oscillator to 1,560 kc, connect an output meter across the voice coil, and turn volume control to maximum. Keep antenna roll and lead clear of chassis during all adjustments. Adjust the two trimmers (C3 and CB) on side of gang condenser for maximum output, using lowest possible output from test -oscillator. Turn pointer, so that it is horizontal
ANT COIL
DET.
COIL
C9 300 2 MAW.
C321
01 MFO.
i
sO.
r.oQs
Q LL Q 1 VOLUME
b¡As
Le3s.oOl
L4 s
ZOO xSCCTt
-if-
CIS
CONTROL
.025
CHASSIS
RI
60.000.
C4 0.1 MFD.
CB 11 MFO 1. R3 2-2MEG R4 410,0004
TOTAL
R9 /
-/rO-"cMs D
25Z6 -G
RECT. RIO
120,000.1
1
qMEG5.
BLAC 111 YELLOW
C13
T16 MFD.
L6-4009 FIELD
C14 16 MFO
J/
BOTTOM VIEW OF TUBE SOCKETS
1504
CIO .01 MFD.
3 cArr
CII .035 MFD.
L?5
R5
1MEr
MFEN
HUM HEUT. COIL
LT
RED
DIAL"}}}} LAMP
BK55B
TUBE
oOA©p_ Re
410594
COLO' HOT
O O
RT
iióÑDLOTO
and pointing to low -frequency end when the gang condenser is at maximum. Check pointer adjustment on a station.
-75a
Adjustment of Tuning Capacitors
5O O
P-84 412-3
.11C-361 55x11
The preferable and quickest method of adjusting the tuning capacitors for five different stations, is to employ a test -oscillator, as described below:
1. Slake a list of the desired five stations, arranged in order from low to high frequencies.
2. Determine the correct settings of the test -oscillator for these five frequencies. This is accomplished as follows: Tune in each of the five stations on any standard receiver; zero -beat the test -oscillator against each station, and note the exact setting of the oscillator in each case.
3. Reel up the antenna wire. Connect the high side of test -oscillator through an 80-mmfd. fixed capacitor to the end of the antenna wire. Clip the low side of the oscillator through a 0.1-mfd. capacitor to one of the chassis -mounting screws on the bottom of the cabinet.
Tunethe oscillator to the previously -determined point for the lowest -
frequency station, and adjust for a strong output.
4. Turn the volume control of the push-button receiver full clockwise, and push in the left-hand end button. Using an insulated screwdriver, peak capacitors C20 and C26, at the same time reducing' the output of the oscillator in order to secure a sharp peak. (Clockwise adjustment of the capacitors tunes the circuits to lower frequencies, and counter -clockwise adjustment tunes the circuits to higher frequencies. The range of each trimmer is three full counter-clockwise turns from the tight position. Do not unscrew more than three turns.)
5. Push in the second button from left, and adjust C21 and C27 for peak output with the oscillator tuned to the frequency of the second station.
6. Proceed in this manner to adjust each pair of capacitors for the desired frequencies.
7. Final adjustment may be made in actual reception -of the stations.
Precautionary Lead Dress 1- Dress Power cord away from detector coil, heater leads close
to base, leads from electrolytic close to base and free of grid leads. 2. Dress blue tad from r -f plate to detector coil along front edge of push -but on shaft holes. Dress all leads to prevent rubbing against push button shafts.
STOoCK
DESCRIPTION
31198 31208 31209 30883 14393
4858 30938 5196 30899
4839' 12484 31323 30875 30876 31195 32634 31206 31196 4340 31193 31198 30880 13734 12285
ASSEMBLIES
Ballast-Ballast resistor -tube type BK55B (R7, R8)
Capacitor-Antenna tuning capacitor bank (C20,
C21, C22, C23, C24) Capacitor-Detector tuning capacitor bank (C26,
CaCpa2c7i,torC-2380, 1C29m, mCf.30)(C9)
Capacitor-.01 mfd. (C1, C8, C10)
CCaappaaccitiotor r---.0021 5
mfd. mfd.
(C32) (C15)
CCCCCaaaaapppppaaaaacccciciiittttiooootrorrr----r-0001.0...6211355mmmfmmdffdd.ff..dd..(C((CC1((CC341,3)2U1) ))C14)
-2 Coil-Antenna
Coil-Det. coil
coil (L1, L2) (L3, L4)
Condenser -gang variable tuning
condenser
Co(Crd2-,InCd3ic, atCo5r,
C6) drive
cord
Dial-Station selector dial and dial plate as-
sembly
Indicator-Station selector indicator pointer.... Lamp-Dial lamp Lead-Antenna lead-approximately 25 ft. long. Resistor-Ballast resistor tube type BK55B (R7,
RRReeeRsssiii8sssttt)ooorrr---411725000,,0000o0h0msoo,hhmm4ss,,
watt (R6) 4 watt (R10) 4 watt (R4)
25 -Cycle Operation
For 25 -cycle operation, connect a 16 mfd., 150 -volt dry electrolytic
capacitor (Stock No. 81323) from the cathode of the rectifier tube to chassis. (Positive to contact Kl of 25Z6 -G, and negative to shell
contact of 6K7 r -f socket.)
STOCK
O
DESCRIPTION
13730 12679 13601 31197 31199 14171 31251 30631 31207
31198 31968
-1 RRReeesssiiissstttooorrr--21.02mmemgee.g,g.,.,4
}
watt (R5) 4 watt (R3)
watt (R9)
Shaft-Indicator pointer shaft and pulley
Shield-Dial lamp shield
Socket-Dial lamp socket
Socket-Tube and ballast resistor socket
Spring-Indicator drive cord tension spring.
Switch-Station selector switch (S20, S21, S22,
S23, S24, S25, S26, S27, S28, S29, S30,
S31)
Tube-Ballast resistor tube type BK55B (R7,
.... R8)
Volume control and power switch (R1, S1)
'31202 31201 31203
SPEAKER ASSEMBLIES (Speaker 84202-4)
Cone-Speaker cone and voice coil (L5) Speaker-Complete Transformer-Output transformer (Ti)
31210 31205 31095 30863 30991 31079 30900
MISCELLANEOUS ASSEMBLIES
Button-Station selector push button
CDirsycs-t1al0-Stcaetlilounloidselpercototerctodrialdisccrsystfaolr call letter
markers -
Knob-Tuning or volume control knob Markers-Station selector button call letter
markers
Screw-Chassis mounting Spring-Retaining spring
screws and for knob
washers. -
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-83
MODELS VA-22,VA-24 MODELS UY-122E,
41Y-124
Specifications
MODEL VA-22
2nd Production:
Record Capacity MOTOR PICKUP Pickup Impedance Average Output
.. Eight 10 -inch or Seven 12 -inch
Constant -speed. self-starting Crystal
0.1 meg., at 1,000 cycles 11 volts across 0.5 meg.
me!Fc'hhoaernirs2emnpdlascipmermoildeanur tcttipooanrRtsPo, f-1re3Mf9eoArdetlaondVthARe-2P2S-1e4ruv5si.ecMse Data on RP-139A and RP-145 as specified below:
Stock No.
POWER SUPPLY RATINGS
A6
105-125 volts, 60 cycles, 25 watts
A5 B2
105-125 105-125
volts, 50 volts. 25
cycles, cycles,
25 25
watts watts
33905
Replacement Parts
Model VA -22
PICKUP AND ARM ASSEMBLIES
Same as RP -145, except add:
Crystal-Pickup
needle screw
focrry2s5ta-lcyccalertroidngley.a.n..d
OPERATING MECHANISM, MOTOR ASSEMBLIES,
MOIrORBOARD ASSEMBLIES
STOCK No.
pESCRIPTION
For 110 -volt, 60 -cycles, same as RP -145.
For 110 -volt, 25 -cycles, same as
5e For Automatic Record Changer Parts, See
Service Notes on RP 14
RP -139A.
MISCELLANEOUS ASSEMBLIES 31108 Control-Volume control and power
33595 4870
30698 31564 12673 14559 12264
4119 31470 33594 31108
MISCELLANEOUS ASSEMBLIES
Cable-Shielded output cable with male plug
Capacitor-.025 mfd. (C1)
Hinge-Cabinet lid hinge
Holder-Needle card holder
KRReenssoiissbttoo-Vrr--o21l20u0,m0,0e0000coonhotmhromsl,s,
knob } watt
} watt
(R2) (R3)
...
Screw-Headless set Springs-Motorboard
screw for knob, No. mounting springs,
.
12673 screw,
and washers (4 req'd)
SVuolpupmoert-cConatbroinl et(Rlild) support
12673 31564
4119 31470
switch
Knob-Volume control knob Receptacle-Needle card receptacle Screw-No. 8-82 headless set screw
Spforrinkgnso-bM, SottoockrbNoao.rd12673mounting
springs, screw and washer (4 reauiredl
*See Rider's
"Automatic Re-
si
cord Changers" P.463
MODEL VA-24 IS A COMBIN9TION OF MODEL VA -22 AND OSC.22 WIRELESS OSCILLATOR,DATA FOR WHICH WILL BE FOUND ON RCA P.11-61 IN RIDER'S VOLIXI
VOL CONTROL
RI
250.000.
`r 60.000,
TOTAL
SECTION
-NutN`- R120.000'
u
R7
.025
220.000n
Mr
CRUP
moToR
Modell' -A_27
.Schematic Diagrane
General Description
The circuit of Models UYl22E and UY -124 is the same
as Model 97Y, except for the phonograph circuit which is shown at right. For other circuit details, refer to Service
Data for Model 97Y1 RCA P.9-109,RIDER'S VOL.IX
Alignment procedure, adjustments for electric tuning, voltages, and general se -vice data, are the same as for Model 97Y.
Replacement parts for Models UY -122E and UY124 are -
li ted on the following page.
The phonograph motor has a switch to permit operation on 105.125 volts d.c., or 105.125 volts, 50-60 cycles a.c. The speed regulator screw should be adjusted for 78 r.p.m.
Lubrication should he maintained every six months. applying a few drops of light oil in each oil hole and at the spindle hearing.
The turntable switch should trip to the "off" position when the needle is 13; inches from the centerline of the turntable spindle.
CRYSTAL PICKUP INSULATED MOW
AN. 220A T TAL
TERN C.
R-Id 1.2 WEG
CHASSIS 3-101 SNORTING SWITCH
GREEN
RED 3-102
RED
3.100
ROTDOR SNITCH
s-3
-- C-10 H
01
RVOLWE CONTROL
,.TAsU,,PO
AS[ Or SIA S CELL
i 3TMSOL
I,EKCATU
T
Np3ULAT[D rROS,
C,A3313
Phonograph Circuit, Models UY -122E, I' Y -l2{.
STOCK No.
30284 31767 31579 14338 31400 11079 31987 12948
12725 13003 30433
DESCRIPTION
RECEIVER ASSEMBLIES
Ballast-Ballast resistor tube (R22, R23)
Board-Antenna-ground terminal board
Board-Phonograph terminal board Bushing-Variable condenser mounting bushing
and screws
Capacitor-Adjustable trimmer capacitor, two sections 2-10 mmf& and one section 9-30
Campamciftdo.r-(8C.281,
C23, C25) mmfd. (C1)
Ca-p2a0c-i4to7r0-Anatmenidn.a
coil trimmer capacitor (C31, C32, C33, C94,
bank C35,
CCCCaaaaCppppaaa3accc6ciii)tttioootrorr---2143-16738000mmmmmfmaadiif.ddd...(C9(((CCC429C9)7))102)
STOCKK
O
31981 31435
4881 12897 31405
4838 14393 11916
4886 4839 12484 31676 31584 30904 31581 31382 31402
DESCRIPTION
CCCCCaaaaapppppaaaaaccccciiiiitttttooooorrrrr-----43876,,,5273000000000mmmmmmmffmmmddfff..ddd...
(C24) (C26)
(C22) (C47) (C27)
Capacitor-.005 mfd. (C14, C43)
Capacitor-.01 mid. (C10, C48, C109)
Capacitor-.015 mfd. (C12, C17)
Capacitor-.06 mid. (C13, C20, C44)
CCaappaacciitotorr--0O.2.15
mfd. mfd.
(C38, C46) (C4, C45)
Capacitor-Comprising one
CCaaappnaadcciittooonrr--e1410080mmfmfdd.fd. .se(cC(Cti1o56n,)
32 mfd., one (C15, C18, C6, C7, C8)
20 mfd.,
C19)...
Cell-Bias cell
Clip-Mounting clip for coils and cores on oscil-
lator bank
Coil-Antenna coil (L1, L2, L3)
Cont'd on next page
©John F. Rider
www.americanradiohistory.com
PAGE 15-84 RCA h:ÖDELS UY -122,ÚY-124
UY -122E, UY -l24
RCA MFG. CO.
Replacement Parts (Continued)
STOCK No.
DESCRIPTION
STOCK
DESCRÌPTION
31401
31385 31384 31383 31369
5119
31366
31374 31375 30905 31386
31372
31480 30868 31373 5066 30284 30880 30694 14284 12738 12454 14580 13898 12264 12199 14983 12285 12413 30208 12679 14343 14887
4669
31368 31199 12110 31365 31251 31313
31418
31370
313.8 30902
3'903
30284
32007 32033 32034 32006
31818 31620 32035 31823
31622
Coil-Oscillator coil (L4, L5, 1.,13, L7, LB, L9,
-2 CCCoooCiiilll ---2PPP4)uuussshhh
button button button
oscillator coil oscillator coil oscillator coil
(L37, (L39, (L41,
L38) L40) L42)
Condenser -gang variable tuning condenser
32134 31156
PICKUP AND ARM ASSEMBLIES Bushing -Pickup needle insertion guide-mounts Cryosntatlo-pPiocfkucprystacrlysctaarltricdagretridge, needle screw
-3 (C28, C29, C30)
Connector -contact female connector plug for
and shorting switch, less bushing, Stock No. 32134 (5101)
speaker cable
Control -Volume control, tone control,
Coordff-Dswruitcmh
(R6, R13, S3) drive cord
Cord-Indicator pointer drive cord
and on-
32016 31160 31469
Pickup and arm complete
Screw-Needle Shaft -Pickup
screw pivot
arm
and
shaft
assembly
complete with base
-2 lahmopld31e7ra9k8er Core-Adjustable core for I.F. transformer
Core -Adjustable core and stud assembly for
oscillator bank
Drum -Variable condenser drive cord drum and
calibrator .
g- HLaomldpe-Dr-Biaials cell
Plug -contact female for motor power cable...
31275 5118
14628
SPEAKER ASSEMBLIES Model UY124 (Speaker RL 71 A-1)
Cone-Speaker cone and voice coil (L14)
Plug-3-ccoonnttaact
plug for speaker
(Ti) output transformer
Transformer-Outputanser-Less transformer
PRuelalecyto-rD-(rLiv1e8)cord pulley
RRReeesssiiissstttooorrr---B31,5a9l00la0sohtomhrsme, ssi,sitowir awt(tRat2(tR2,(1R2R1) 523) )
Resistor -22,000 ohms, 1/10 watt (R4)
Resistor -27,000 ohms,
Resistor Resistor
-33,000 -100,000
ohms, ohms,
:
}
h
watt watt watt
(R18)
(R2, (RB,
RR2104) )....
i Resistor -180,000 ohms, h watt (R100)
Resistor-220,000 ohms, watt (R5)
i RRRRRRReeeeeeesssssstaiiiiiissssssinttttttooooooerrrrrrr-------232184D7387..22r0000i,,v,,0000emm0000ee0000cggo..,,oooordhhhhiImtmmmpssss,uww,,, laalhehhttyttwwww(a(raRaaeRtttttt1t3att0)i(n1R(((eRRR)1r811, )09R2) )21)....
RScerteawin-eNr -oR.et8a-3in2esrqufaorre
drive -head
cord pulley set screw for
drum,
Stock No. 31372
SShhaiefltd-S-Dtaitaiol n
selector knob lamp shield
shaft
and
pulley..
SSSoohccikekeeldtt---TDRuaibadielotrlaosmnopcksehst ioecldketcap
Spring -Tension spring for station selector push
Spbriungtto-nIndswicitachtorlatcohr
bar drum
drive
cord
tensiq¡t
spring
Switch -Push button selector switch (S4, S5,
S31, S32, S33, S34, S35, S36, S37, S38,
S39, S40, S41, S42, S43, S44, S45)
STrwaintcshfo-Rrmaenr-gFeirsswt itci h-f
(SI, S2) transformer
(L10,
L11,
C5, C6)
Transformer-Second i -f transformer (L12, L13,
TubCe7-,BaCl8la) st resistor tube (R22, R23)
31310 5118
31997 14628
31397 31456
31591 31406 31395
30898 31103 31392 31355 14359 31301 30773 31458
31460
31457
31459
31589
31590
31393 11210
SPEAKER ASSEMBLIES Model UY122E (Speaker RL 73-5)
-3 Cone-Speaker cone and voice coil (L14)
Plug -contact male plug for speaker Speaker complete
Transformer -Output transformer (T1)
MISCELLANEOUS ASSEMBLIES
-8 Button-Station selector push button
Cover
protective covers for push button
markers
Dial-Station selector Dial-Station selector Escutcheon-Tuning
didailalscsaclea-leM-ModoedlelUYU1Y2122E4.
dial escutcheon only less
'
push buttons and dial scale
Hinge-Cabinet lid hinge-Model UY124
Hinge-Cabinet lid hinge-Model UY122E....
Indicator -Indicator pointer, carriage, and clip.
Knob-Range switch knob
Knob-Station selector knob
Knob-Tone control knob
KMnaorbk-eVr-o"lDumiael
control Tuning"
knob marker
for
push
button
-Model UY122E
Marker-"Dial T -Model ÚY124
marker for push button
MMattrooknne-r-M-M"oRdeeclordUYP1Pl2laayyyEeerr""
marker marker
for for
push push
but but -
toel ÚY124
- MarrkkerMer-Station call letter markers Model
UY122E
- Marker-Station call letter .markers Model
ScrÚeeYn1-2D4 ial color screen
Screw-Chassis mounting screws, washers, and
lockwashers-Model ÚY124
MOTOR ASSEMBLIES
31471 Screw-Chassis mounting screws, washers, and lockwashers-Model UY122E
GEFiosevcldeurt-cnMhoeroo-Mtno-Mor toofietroldrgcocohviealsrnngaoenrodvcelorammswpinlietacttehioensscutcheon .
- MSSSScchworr1aieett2ofcwwt5-rh---MM1Mv0ooool5ttDtsot-oo1.rPrDr2..tS5Curs.opr.Tn,etvo.teoarcdlbotmslbme,roeeptago6lser0urpitnleiangcctdwoyhlcesrailtcenhrsssgechewsraoAewfvw.tCiaetcnr.ahdanndaa dnn(wdMugniett1u1.a.0)ctr...5.....h-
Wa(sSh1e0r0-M) otor spindle shaft thrust bearing
31470
4982 14270 30330 30946 11831
Springs-Motorboard suspension top spring, bottom spring, screw, and lockwasher (4 re quired)
Spring-Retaining spring for knob, Stock No.
14359
Spring -Retaining spring for knob. Stock Nos.
30773 and 31355
Spring -Retaining spring for knob, Stock No.
31391
Support -Cabinet lid support -Model UY122E Support -Cabinet lid support -Model UY124..
washers (1 metal, 1 felt)
MOTOR BOARD ASSEMBLIES
9848 31464 31465 30870 31158 31155 30100 31466 31467 31463
- CDuapm-pUesr -eOdneneerdulbebecrupspainnddlelidcacpomanpdleteone metal
Moduanmtpinegr-Ppliactkeup a r m base mounting one
-2 rubber washer, one lockwasher, one nut
Plug -contact male plug for motor and switch
Sclreeawds-Motor mounting screws, washers, and
- SSppsrrpiinnaggce--AUrsuste(osdumffaincetieiecdnlte
for one cup lid switch
motor) spring springs
one long
- Swsiptcrihn-gAuantodmoaneticshomrtotospr rinsgwitch and lever
Switch-Switch only for automatic
switch switch
(5102)
Turntable
{
©John F. Rider
www.americanradiohistory.com
RCA PAGE 15-85
©John F. Rider
www.americanradiohistory.com
Record Changer:RCA Model 960260-2
-)AGE 15-86 RCA MODELS 65U, 65AU,
Chassis RC -1017A, RC -1017B
RCA MFG. CO. Alignment Procedure
CAUTION.-CLOSE TUNING CONDENSER PLATES COMPLETELY (C -C-W) BEFORE REMOVING CHASSIS FROM CABINET. Take off both wooden strips on bottom of cabinet by removing wood -
- screws before loosening chassis bolts.
CRITICAL LEAD DRESS.
1. All filament wires should be dressed close to chassis. 2. Dress lead from switch to phono jack close to chassis and away from
power cord. 3. Dress capacitor between 12SQ7 grid and terminal board away from
chassis and away from other parts.
4. Dress all exposed leads away from each other and away from chassis to prevent short circuits.
5. In instrument assembly the lead from the rear section of gang to loop shall be dressed away from chassis and other wires to loop.
Test Oscillator.-Connect high Connect low side through a .01 mf
side of test oscillator capacitor to common
a"s -sBho"w. n
in chart Keep the
output signal as low as possible to avoid a-v-c action.
Output Meter.-Connect meter across speaker voice coil. Turn volume
control clockwise to radio maximum high position (3 for alignment.
Connect the high Tune
Turn
Adjust the follow-
Steps ossicdiellaotfortetsot--
testto-o-sc.
radtioo-dial
ing for max. peak output
I.F. grid, in
L8 and L9
1
series with
2nd I.F.
.01 mfd.
Quiet point transformer
455 kc
1,620 kc
1st Det. grid
end of dial
L6 and L7
2
in series with
1st I.F. *
.01 mfd.
transformer
NOTE.-ANTENNA LOOP AND RECORD CHANGER MUST BE IN CABINET
Antenna terminal
3
in series with 1600 kc Gang at
220 mmfd.
minimum
C19 (osc.)
4
Radiated signal 1300 kc
Signal Frequency
C17 (ant.)
5
Repeat steps 3 and 4.
TvisA
Power Supply.-Although this model employs an ac -dc chassis, it is not suitable for use on d -c, as this would damage the motor.
Reversal of plum in outlet receptacle may reduce hum.
*Do not readjust L8 or L9 when test oscillator is connected to 1st Det.
Replacement Parts
STOCK No.
DESCRIPTION
STOCK No.
DESCRIPTION
70389 70407 70997 39650 70601 70606 70611 70612 70615 70617 *72312
70403 70383 70322 32634 70392 70384 70397 70395 70404 70391 11765 72311 70382 30868 36230
72313
30880 6134 30492 14583 30648 12928 31455 14974 70388 34449 35787 37605
CHASSIS ASSEMBLIES RC 1017A RC 1017B
Bearing-Tuning knob shaft bearing
Button-Plug button (2 required)
Capacitor-Mica, 5.6 mmf. (C24)
Capacitor-Mica, 820 mmf. (C15)
Capacitor-Tubular, .002 mfd., 400 volts (CS, C9)
Capacitor-Tubular, .005 mfd., 400 volts (Cl, C11)
Capacitor-Tubular, .02 mfd., 400 volts (C8)
Capacitor-Tubular, .025 mfd., 400 volts (C10)
Capacitor-Tubular, .05 mfd., 400 volts (C2, C14)
Capacitor-Tubular, 0.1 mfd., 400 volts (C3, C4)
Capacitor-Electrolytic, comprising 1 section of 30 mfd., 150
volts and 1 section of 80 mfd., 150 volts (C25, C26)
Coil-Oscillator coil
Condenser-Variable tuning condenser complete with drum
Control-Volume control
Cord-Drive cord (approx. 48" overall length)
Cord-Power cord
Drum-Drive drum
Gear-Power or radio -phono switch gear
Gear-Volume control gear and spring assembly
Indicator-Station selector indicator
Insulator-Bakelite insulator for phono input socket
Lamp-Dial lamp
Loop-Antenna loop
-2 Plate-Dial back plate complete with pulleys less dial
PRRPueleuslsgliisestyoto-rDr-c-3rIoi53nv0teaochoctmhofmresd,ms,pa1 ulwelleapwytltuagt(tRf1o(1Rr)7")AC" cable
Resistor -1200 ohms, t watt (R9)
Resistor -22,000 ohms, yy watt (R2)
) RRRRSScheeeerssssaeiiiifwssssttttt-oooo-Trrrr4u-----2435n327..i326n00g,,00mmz00k'ee.n00.gg,ooo"oobhhhhlmmmosmhnssssa,,g,,f)ts%%jetwwwwsaacaattrttttett w((((RRRR46f81o))),r
RS) lower
gear
Socket-Lamp socket
Socket-Phono input socket
Socket-Tube socket-moulded
70390 70396 70394 70386 70387 70385 33726 70406 70405 71058 70470
70398 71984 71966 70402 71595 X1630 70707 70401 70400 70399 71815 14270 71824 39545 X1386
Spring-Drive cord tension spring
Spring-Volume control gear tension spring
Switch --Power or radio Transformer-First I.F.
phono switch transformer
Transformer-Second I.F. transformer
TWraansshfeorr-m"eCr-' Owuatsphuert
transformer for tuning knob
shaft
Washer-Spring washer for volume control
SPEAKER ASSEMBLY 922279-1
Speaker-4" x 6" P.M. speaker complete
SPEAKER ASSEMBLY 922258-2
Speaker-4" z 6" P.M. speaker complete
SPEAKER ASSEMBLY 922258-1
Speaker -4" z 6" P.M. elliptical speaker complete
NOTE: If stamping on speaker in instrument does not agree with above speaker number, order replacement parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS
Clamp-Dial clamps (1 set)
Decal-Trade mark decal (RCA Victor)
Decal-Trade mark decal (Vietrola)
Dial-Glass dial
Feet-Rubber feet (4 required)
Grille-Baffle board and grille cloth
Hinge-Lid hinge (2 required)
Knott-Power Knob-Tuning
switch knob
and
radio-phono
switch
knob
Knob-Volume control knob
Mounting-One set of hardware consisting of four springs,
two spring washers and two rubber washers to mount
record changer.
SSpturidn-gS-tRuedtaainndinsgcrsepwrintgo
for knobs mount lid
hinge
Support-Lid support
(1
set)
Cabinet-Cabinet for Model 65U
THIS IS THE FIRST TIME THIS STOCK NUMBER HAS APPEARED IN PRINT.
APPLY TO YOUR RCA DISTRIBUTOR FOR PRICES OF REPLACEMENT PARTS
©John F. Rider
www.americanradiohistory.com
RCA PAGE 15-87 ®John F. Rider
PAGE 15-88 RCA
MODEL 66BX Chassis RC -1040,
12C-104OA
RCA MFG. CO.
Alignment Procedure
Cathode Ray Alignment is the preferable method. Connections for the oscilloscope are shown on the schematic diagram.
-If Output Meter Alignment. this method is used, connect the meter
across the voice coil and turn the receiver volume control to maximum.
Test Oscillator. -For all alignment operations, connect the low side of
the test oscillator to the receiver chassis and keep the oscillator output as low as possible to avoid AVC action.
Calibration
to chassis. It
Scale.-The calibrated dial scale is permanently connected
can therefore be used directly as a reference for alignment.
of
With the gang the pointer is
at full mesh set the dial ttg inches to the right
pointer so that the left hand of the point indicated in the
edge
dial
cord drawing.
Connect the high
Steps
ossicdiellaotfortetsot--
High side of loo 1 (Blue lead) in senes
with 0.1 mfd.
Tune test-osc.
to-
455 kc
Turn Adjust the follow -
to- radio dial ing for max. peak output
L8, L9
Gang at (2nd I.F. Trans.)*
MU. cap.
L6, L7
(1st I.F. Trans.)
2
High side of loop (Blue lead) in senes
1300 kc
1300 kc
with 0.1 mfd.
(Bottom shield cover
3
in place and chassis out of cabinet)
600 lee
600 kc
Cl l-(osc.) Cl0-(R.F.)
L4 (osc.) L3 (R.F.)
** 220 mmf. in serles 4 with a single turn
loop 418 in., approx. 3 in. from receiver 1300 kc loop. (Chassis in cabinet C-1 connected and rear lid of cabinet closed)
1300 kc
Cl (loop)
*If two peaks are found :with
outer position.
top
slugs
use the
one
with
stud
in
the
- **Adjust C-1 loop cap made through small
with back cover of case closed. slot in case provided for cable
Access to of external
trimmer loop.
is
AC -DC Operation.
This receiver will operate on 105 to 125 volts, AC SO or 60 cycles, or DC.
ooictirnhneonfesarAttidhdrhisteeesplopoofbathtcwhosithnahesetagntirenosedccgsmsacois.ibanrthodibsanTfrieseionhstrtheuest.setghnttohhotcrTe.opweaowudbnplCailloniunlraptoegdhnesttednehaienelaptlttthoochafoiehwbekweaesecocrctraatohohtbbuuceneiiobtnnvrcre,eeeadlttonnwa,sipdnwehilsdnuniilctugigtdhhrneoeaorifiltsoseuhthtelcctehlelteaorttcihmfhctcoeweaaptrhdlobepebiodnoeapusewxcaltottaklebeecswronktct.viidecoctehiotvnfretogedhtrnhe.eettuhtchpAriphneowaousswattogslhroeipdhestr
in
When returning its socket inside
ttohebcaatsteerywiothpetrhaetiocnor,dbestosruered
to in
replace the power the fiber tube.
plug
-If NOTE.
This may
reaplíon is not also reduce hum on
obtained on DC, AC operation.
reverse
plug
is
outlet
receplack.
STOCK No.
*71056
*71054
*71044
*71042 31709 *71514 *71540 *71552 *71553 70610 70611 70615 71551 70617 *71043
*71053 *71401 *71402 *71035 *71057 32634 70392 *71048 *71036 *71031 *71030 *71032
*71052 18469
*71041 36230 30654 12194 38875 *71038 30730 30409 14138 3252 14583 30652 30649 31417 30931 31455 30992 *71055 *71050 *71051
DESCRIPTION
CHASSIS ASSEMBLIES
RC 1040
Bracket -Drive cord pulley bracket complete with one (1)
Brapcuklleety-Drive cord pulley bracket complete with two (2)
pulleys
Bracket -Power switch bracket complete with actuating lever
less power switch
Button -Plug button
Capacitor -Ceramic, 6.8 mmf. (C7)
Capacitor -Ceramic, 82 mmf. (C2, Ca, C19, C21)
Capacitor-Ceramic, 270 mmf. (C26)
Capacitor -Tubular,
Capacitor -Tubular,
Capacitor -Tubular,
Capacitor Capacitor
-Tubular, -Tubular,
Capacitor -Tubular,
Capacitor -Tubular,
.002 mfd., 400 volts (C22, C27) .005 mfd., 400 volts (C28) .01 mfd., 400 volts (C15, C23, C25) .02 mid., 400 volts (C24) .05 mfd., 400 volts (C4, C6, C33) .05 mfd., 200 volts (C5, C16, C20) 0.1 mfd., 40,) volts (C34)
Capacitor -Electrolytic comprising 2 sections
of 20 mfd., 150 volts, 1 section of 160 mfd., 25 volts
and 1 section of 40 mfd., 25 volts
Clip-Spring clip for knob
(C29, C30, C31, C32)
Coil-Oscillator coil (T,4, LS)
Coil-R.F. Coil (L2, L3)
Condenser -Variable tuning condenser
Control -Volume Cord -Drive cord
control (R9) (approx. 37"
overall
(C3, C9, length)
C
10,
C11,
C12)
CDDoiraurdlm--DP-Dioarwlivesercacdleorruadmnd window assembly
Holder -Power cord holder Indicator -Station selector indicator
Insulator-Rectangular bakelite insulator -between chassis
base and dial support bracket
Knob -Tuning knob and volume
(2 required) control knob
-4 Plate-Electrolytic capacitor mounting plate
Plug Pulley
-Dprriovneg
male cord
plug for pulley
battery
cable
Resistor -1500 ohms, Resistor -1800 ohms,
%
,..¡
watt watt
(R16) (R6, RIS)
Resistor -1800 ohms, 1 watt (R18)
Resistor -Ballast resistor, 2300 ohms, Resistor -2700 ohms, % watt (R19)
6
watt
(R17)
Resistor -27,000 ohms, 14 watt (R10)
Resistor Resistor Resistor Resistor
----162102800,m0,,000e00g00o0ohoohmhhm,mmsyss, ,,34w%%awtwwtataa(tRtttt(1R((4RR8))413) )
RRRRRSheeeeeasssssfiiiiisstsss-tttttooTooorrrrru-----1n2345i0....n2376gmmmmmekeeeegnggggoooooohbhhhhmmmmmsshssss,,,,,a1f%,`(it4/.444
watt watt watt watt watt
(R3) (R7) (R1,
(RS) (R11)
R2,
R12)
Shield-L.H. end shield for dial
Shield-R.H. end shield for dial
STOCK No.
'71040 71037 *71827 70390 *71053 *71039 *71045 *71299 *71400
*71047 *71081 *71033
*71034
*71049
*71059 71058
.
*71074 *71617 *71069 71080 *71619 *71060 *71061 *71068 *71067 *71618 *71063 *71062 *71065 *71616 *71079 *71064 *71066
*71077
*71071 *71076 *71075 *71072 31608 *71078
DESCRIPTION
-7 SSSSooopcccrikkkneeegttt----DTT2uruibcvboeeentssacooocccrtkkdfeeettsm--pmmarilneiingnisiaaottcuukrreeet-f7or
external loop
prong -floating prong -bottom mounted
SSSTrpwwariiinttnccsghhfo--PLrmRioneewtrea-ei-FnrbiinarsgswtttietscIrp.hyFri.nc(Sgthr2aaf)onnrgsefkonrsomwbeitrch(L(6S,l)L7,
Transformer-Second I.F. transformer (L8,
C13, C14) L9, LIO,
C17,
C18)
TWraasnhsefor -rm"Cer"-Owuatsphuetr
Washer -Insulating
transformer (Ti) for tuning knob shaft
washer, extruded, for
mounting
dial
support to chassis base (4 req'd.) and to mount base holder
bracket
Washer -Insulating washer -flat, to mount base holder
Wibnrdaocwke-tDial window
SPEAKER ASSEMBLY
922258-2
GSpaesakkeetr-S-4p"eazk6e"r
gasket (black tubing) P.M. speaker complete
with
cone
and
voice
coil
NOTE: If stamping on speaker in instrument does not agree
with above speaker number, order replacement parts by referring to model number of instrument, number stamped on speaker and full description of part required.
MISCELLANEOUS
Arm-Shutter arm lever
CCCCBaaaulipcbppkla--eCS-c-CiCtuaoacsorste-niAeonsndeibdjcuaectcsuinkstpagpcfrbooicnlmreagpbmtllceerolitimuepfonmawrtinneeitdgrhx,tse3ecc-rxer3nten5eawtrelnmrl(oa2mosl ptrlfore.iopqp('dC.l))
Foot -Case foot (moulded) (2 req'd.)
Foot-Case foot (wood) (2 req'd.)
Front -Case front complete less shutter Gasket -Gasket seal to hold loop together Handle -Carrying handle
Latch-Case latch (2 ivied.)
Link -Carrying Loop -External Loop -Antenna
handle link (2 req'd.) alonotpe-ninnatelornopal(L(L11l), C35)
Retainer -Battery Screw-#8-32 z
retainer spring bracket (2 required) long screw to fasten case together
(2
required) for Screw -Screw
battery holders (2 required) complete with washer and nut
to
secure
one
side to case front or case latch
Shutter -Case shutter
Side-Case side-L.H.
Side-Case side-R.H. (loop side) -less capacitor assembly
-"C" Spring -Case shutter compression spring
Washer
washer for case shutter's shafts
Washer -Dampening washer for shutter shafts
©John F. Rider
V L16 uSEE. l
LIS PRI 0.S A.
VI
12SG7
R.F.
R13 -12K
© 2C220
V2
12 SIt7
1ST CET 8 OSE.
76V
RCA MFG. CO.
12SK7
LF.
75v
RCA PAGE 15-89
MODELS 66X1,66X2,66X3,66X4, 66X9,Chassis RC -1038
VA
12S07
250.DET.
ARC., 4.6.
M50V.
VS
35L6 GT/G
OUTPUT
C16 73
EAU
N
5.3 MEG.
.2E:0a
wv`:e9riK
C27
146
L14
O.2a ji A
RANGE 5W. VIEWED FROM FRONT AND SHORN IN NO.1 (MAX.000NTER CLOCKWISE)
POSITION.
POS I 540 -160014C. MIN. N I .
2
3
SA9O--11620OM1C<.CM.INM. AHXIG. HHIS.
400-
20 9P
/ OSCILLOSCOPE CONN'S
VERTICAL:HI TO THIS POINT
VERTICAL-O' TO CHASIS
-. C28 OI -
w
PHONO Cd1 JACK
INDEX TAO
TOP
026
Ito -200
2 REAR
ST FRONT
14
C24 CZS
247 1}
C23
181
G22
{2-17
499
le)
Ks 1000
VOLTAGES SHOULD HOLD WITHIN
* 207E WITH 117 V. AC SUPPLY. * MEASURED WITH CIIANALYST
OR VOLTOMMV ST.
INDICATES 0015./0/1 WIRING INBIJIATED FRON TF CHASSIS.
WAVE
TRAPEAIII
COIL
INDICATES je,CLIASSI$ GROUND
INDEX TWIN
COIL 1OP VIEW OF COILS
.0"OSC
COIL
------LS .. Maas ITT POWER OUTPOT-
.1 510PTEP
- -I
WW1
R9 120
R262iC0122 76V.
RII
1200
c r50MF.-n. .EDy
i I
110V.
K Il _ DL
r
I
.3525 Gyt
a RECL 4
C19
Os
LC
50 BE
2 7
- RETORT Os-R1v O,SO-40 OL TOSS ros-+esv oc
19 4 6.
STOCK No.
DESCRIPTION
STOCK
CHASSIS ASSEMBLIES RC 1038
39616 39622 *71156 *71157 *71121 39636 39640 *71113
70601''
70606 70610 70611 70615 70617 70408
*71405 *71406 *71408 *71407 *71110 38410 34662 70384 70391 *71114 *71116 *711170 *71108
36230 30189 30731 30694 30436 30685 30787 14583 30648 31417
Capacitor-Mica, 33 mmf. (Cl)
Capacitor-Mica, 56 mmf. (C4)
Capacitor-Ceramic, 108 mmf. (C21)
CCaappaacciittoorr--CMeircaamitcri,m1m46er,m1m8f0.-2(C5027m1 mf. (C26)
Capacitor-Mica, 220 mmf. (C2)
CCCCCCCaaaaaaapppppppaaaaaaaccccccciiiiiiitttttttooooooorrrrrrr-------MMTTTTTuuuuuiibbbbccbuuuuaau,lllllaaaaat3rrrrrri3,,,,,m0.....00000mm12500e25mrmmm,mmf.fff4dddff0(dd...C,,,0..,,9-4447)00440000000000vvvmvvoooioolllntttllsssttt.ss(((CCC(((CCC2718121,4)502,C)))C1196) )
Capacitor-Tubular, 0.1
C
volts andEI section
mfd.,
400 volts
(C3,
C29) 50
mld .,
30 mfd511501voltsti(oCn17 fC18)
150
CCCoooiiilll---OAOsnsccteiillnllaanttaoorrcocciool ii(llL--"1"4AC) ""
band band
(L12, (L10,
L13) L11)
CCCCoooonnirldtd-r-WeoDnl-asrVievvreoe-lVturcamaoprreida(cbL(ola1enp,tprLtruo2oln)xia.nng5d1cpoonowdveeenrrasslelwrliet(ncChg2t2h(,)R6C,23S,1)C24, C25).
DILLLPnaolrasmauoumtppmlea-p--AtDoDo-nrrDir-taaieIvillnnaebslnlaaualdclorkauotmopplrsealecttfl(eaomEpr-Mccaopzoda,hmoroLpinnllo6ed)tiejcaacwtkoitrh four (4) pulleys lean dial
PRuesllisetyo-rD-1r2iv0e coohrmdsp, u3llewy att (R9)
RRReeesssiiissstttooorrr---1132290,000000oohhommhssm,, s)y,J
watt (R11) watt (Rl)
). watt (R13)
Resistor -33,000 ohms, % watt (R3)
Resistor -47,000 ohms, % watt (R12)
Resistor -220,000 ohms, % watt (R2, R4, R8)
Resistor Resistor
--437.30,0m0e0goohhmmss,,
% %
watt watt
(R10) (R5)
30931 *70467 *71118 *71115 37605 *71120 70390 *71119 *71112 *71111
71558 70387 33726
71058
*71835 *71122 *71124 *71131 *71132 *71127 *71128 70473 70474 *71126 *71125 30900 *71130 *71129
*This is the first time this stock No. has appeared in service data.
DESCRIPTION
Resistor -4.7 megohms, I/a watt (R7)
Shaft-Tuning knob shaft Shell-Protecting shell for
loop
spacing
spring
(2
required)
Socket-Lamp socket
Socket-Tube socket Spacer-Tubular spacer
to
mount antenna
loop
(2
required)
Spring-Drive
Spring Loop
cord spring assembly spacing
spring
(2
required)
STTTwrrraaainnntcsssffhfooo-rrRrmmmaeenerrrg---eOSFeiuarcntsoptdnuIdtt.oFntI.re.aFtrn.saswntfroisatfrcnomhsrmefo(rSer2mr(L) e7(rL, 3L(,8LL)54, ,
C5, CO) L6, C8, C10,
C11,
Washer-"C" washer for tuning knob shaft
SPEAKER ASSEMBLY 922258-2
Sp d
: 6" elliptical P.M. speaker complete with cone
NOanTn E:vvooIwrsicfetiecaiifctsemeehtracpramoiebnidoplgvionengtossppoenemaakoksedpererenlaauknmnedurbmfeiunrbl,leiodnrersdstocerfrurimpritneiepsontnlrtaucomdefompeeanesrtnt,ntroepntqauurmatigsrbereedbery.
MISCELLANEOIIS
BBCClalaaafcmmfkle-ppC---SDDapbiieaaianll.keccetlalrabmmabpcapkffffloofeorrra66s6M6sXeXom13dbeaallnnyd6d6f66%o66r31X61246X(12
and 66X2 required)
DFFKooniaooolttb---GCC-Calaaobbsniisnntreedottilafflkoonsoocottab--lwiev(maolronyttu-letf-dofrowr6a66l%n6uX2t1)(4f(o4rreqr6eu6qi%ruei1dr,e)d66)%3, 66X4
KNSSSSppctnurrrroiteiip-bnneS--ggnFCp---iReRPoneneriedsotttharatoieniennlcduiittnnkisvgntgtoreoissbpfsppacrrs(friitioennvereggonnrcffysooa)fcbrrorirfencfoerboerontann6ntf6tr(dr4oXoslnt2grrkertiipnqpfouoffbiroorsrer6d66)6X66X1X11anaadnndd66666%6%X222
©John F. Rider
RAGE 15-90 RCA MODELS 6X1,66X2,66X3,66X4, 66X9,Chassis RC -1038
dcheonaticti
RCA MFG. CO.
L15 L16 PRI. SEC
V1
12567 R.F.
RIS
S2 REAR 4
8
V2
V4
12 SA7 1ST DET. & OSC.
T1 12SQ7 2ND DET.
}ji ur AVC, A.F.
C11l5__
f
OF
GRID
V5
C2
C12+K
C9
AVC BUS
8+ C28
GANGED
FIE NOTE'
WITH BAND SWITCH AT 2ND POSITION CLOCKWISE
IN BROADCAST BAND (MAX. HI.)
C12,IN PLATE CIRCUIT OF V4,
AUDIO IS OPENED AT SWITCH 52
FRONT. OTHERWISE THE
CIRCUIT IS SAME AS POSITION.
1ST
BAND -SWITCH SHOWN AT 1 ST POSITION.
BROADCAST BAND (MIN.HI.)
540 - 1600 KC.
AVC BUS
2d 52
REAR
\ \
AVC BUS
B+ LI
L12
B+
4
S2 1 FRONT
5
INDICATES COMMON WIRING INSULATED FROM CHASSIS BY
R4 (220K) & C3(O.1) INDICATES CHASSIS
GROUND
L15 L16 PRI. SEC
V1
12567 R.F.
R13
C26
V2
V4
12 SA7 15T DET. & OSC.
{i' Ti
11i
12SQ7 2ND DET.
AVC, A.F.
C1I5_
f
ToOf
GRID
V5
C2
C17 AVC BUS C28
- - - GANGED
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE SHORT WAVE BAND (MIN.HI.)
9-12 MC.
8+
AVC
BUS
C10
/C13
AVC BUS
C12 C9
B+
B+
11
L11
10 4
sz
FRONT
INDICATES COMMON WIRING INSULATED
FROM CHASSIS BY R4 (220K) & C3(O.1)
r7%7
INDICATES CHASSIS GROUND
©John F. Rider
www.americanradiohistory.com
RCA MFG. CO.
RCA PAGE 15-91
MODELS 66X1,66X2,66X3,66X4, 66X9, Chassis RC-1038
66X9-(Plastic)
66X1-(Brown Plastic) 66X2-(Ivory Plastic)
66X3-(Wood)
66X4-( Wood)
Specifications
Frequency Range Broadcast Short Wave
Intermediate Frequency
540-1600 kc 9-12 mc 455 kc
Tube Complement (1) RCA-I2SG7 (2) RCA-12SA7 (3) RCA-12SK7 (4) RCA-12SQ7 (5) RCA-35L6-GT/G (6) RCA-35Z5-GT/G
Pilot Lamps
R -F Amplifier
1st Det.-Osc.
I -F Amplifier
2nd
Det., A.V.C.,
and
A -F Amplifier Power Output
Rectifier
Mazda No. 1490, 3.2 volts
Power Output Undistorted Maximum
1 0 watts 1 5 watts
Loudspeaker (922258-2) Size V.C. Impedance
Power Supply Rating 105-125 volts. AC, 50 or 60 cycles, or DC
4 x 6" elliptical P.M. 3 4 ohms at 400 cycles
27.6 watts
J LOOP
CABINET
CONTROL SHAFT
TAKE UP SPRING 4OUNTING
MOUNTING FISMPAPER
SCREW
INSULATION
MS $25
The construction of the cabinets for
Models 66X1 and 2 makes it to remove the chassis for
necessary replacing
tubes. To do this, proceed as follows:
1. Remove the power plug from the service receptacle.
2. Remove control knobs.
3. Rapfsrerloeoapmmtuaenro.advtt(heeDtehoetthbhneaeeosdtegbreaseismpxeolfoatvpestehllaoetttahetsemedfeftrhtooaiumslsrcrbfewatewhsieleestl chassis.)
4.
Tilt the bottom
cabinet forward so rear edge of the
that the cabinet
raises above base plate.
5.
Hold the chassis with one hand while pushing the cabinet forward and up-
ward to clear the control shafts.
Lead Dress
1. 2.
DpDorrseesssissblaeplolfwrofemilramacloelrndatudabniaodckgrpiaodnwdaenrdalwpeaaladytsefdrwooimwrinngC.t-o14ch(a1ssstisaaunddio
as far as coupling
3.
condenser). Dress C-14 toward
12SQ7
socket and
away
from
the switch.
4. 5.
Dress Dress
C-16 blue(
(output by-pass condenser) down to chassis. lead from phono jack to volume control in air
from output transformer.
and away
7, Dress all leads and parts away from oscillator coils.
8. 9.
10.
Dress C-2 (R.F. coupling condenser) back to chassis. Avoid excessive lead lengths in C-27 (short wave fixed .
imer) .and
short wave antenna coil. Dress pilot light leads (above
chassis)
toward
dial
support and
away
from the 35Z5 tube.
Alignment Procedure
Test Oscillator.-Connect high side of test oscillator as shown in chart Connect low side through a 0.1 mf. capacitor to common "-B." Keep the output signal as low as possible to avoid A.V.C. action.
Output Meter.-Connect meter across speaker voice coil. Turn volume control to maximum clockwise position, station selector switch to broadcast maximum high position (pos. 2), for broadcast alignment and to position 3 for high frequency band.
Dial Pointer Adjustment.-Rotate tuning condenser fully counterclockwise (plates fully meshed). Adjust indicator to 215 in. from end of backplate as indicated in drawing.
On models 66X1 and 2 the dial indicator is accessible for adjustment by removing the metal strip below the dial glass. (Lift and swing the top forward).
Calibration Scale.-The glass tuning dial may be easily removed from the cabinet and temporarily attached to the dial back plate.
Power Supply Polarity.-For operation on d -c. the power plug must be inserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a-c, reversal of the plug may reduce hum.
Connect high side
Steps osocfiltlhateorretsot -
Pin #4 (signal grid) 12SKI W tube in series with 0.1 mid.
Pin #8 (signal
grid) 12SÁ 1st
2
det. in series
with 0.1 mid.
Tune
testtoo-se.
455 kc
3
Antenna in
4
series with
1300 Ice
200 mmf.
5
600 Ice
6 Repeat steps 4 and 5.
7
9.5 mc.
- 8
Antenna in Series with
9
50 mmf.
10
9.5 mc. 11.8 mc.
11 Repeat steps 9 and 10.
Turn Adjust the follow -
radtioo -dial
ing for maximum peak output
T2t 2nd I -F trans.
Quiet point at 1600 kc end of the
dial
Ti 1st I-F trans.
1300 Ice 600 Ice
L2 for minimum output
(Wave trap)
C22 (osc.)
(ant)
L13 While rocking
gang
9.5 mc. 9.5 me.
11.8 me.
C20 (Osc.)*
C26 Ant while rocking gang
LIO (Osc.)** Ll4 while
socking gang
*If two peaks are obtained use minimum cap peak.
"If two peaks are obtained use minimum inductance peak.
tDo not repeat step No. 1.
C26 -12.E 9.5 MC.
C22 -O5... 1300 KC.
C20 -05C 9.5 MC.
L 10
1ST I.F TRANS
TV25
L2 WAVE TRAP
455 KC.
Lli
-A-OSC.
600 KC.
TO4P5-5BOKTCT.OM
PHONO JACK.
POWER CORD
©John F. Rider
www.americanradiohistory.com
RADIO MFG. ENG. INC.
R.M.E. PAGE 15-1
MODEL 9D
N
02
II+
HI'
F
Zo =
U)>
O W ï
U U U U U
Ó UU U U
00000 U
a) a)
u,1\ -00M00O
cd (.1)
4+
O
rl N M d tr\ r
o
o(r2
, ot...) 913N-cr)0000O0
c rr-I
4
(rV
Ñ,c-Npi{ dá:--1. Ñ
.
. .
. hCC.c V.co.
. ..:
o
I-
o o
<a I
ó- l "I cc
FI lál
J
W
I
o î
©John F. Rider
www.americanradiohistory.com
s .
b u- .
i
. .
: :
4
.b
O 111 3 {UUTHäHiäy O 2
O> C1y540
e
Qo i-1
ìto
o+) O
O
O O 4-t +3 O
4-3 +3
N N
cÓ4-tb Ó
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3 )
0
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PAGE 15-2 R.M.E.
¡MODEL 9D
Al
nclaiteeci sCheeyuatGC'.a. ir
RADIO MFG. ENG. INC.
-UPPER CENTER - RESONATOR PADDING-
SW.
SW
MIXER 57
s
-.01
1 MEG.
AVC
-LRIGFIT DIAL LEFT DIAL --L
B+
.01
2K
GANGED -
OSC.
2K
58
BAND -SWITCH SHOWN AT 1 ST POSITION. BROADCAST BAND
540 - 1520 KC.
SEND RECEIVE SWITCH
2
Al?
5W.
100K
I
GANGED
UPPER CENTER -RESONATOR PADDING-
5W. o
T
.01
MIXER 57
1 i cap
L 1
T 1
.01.
.01 5K
1 MEG.
AVC
LLEFT DIAL-
RIGHT DIAL
GANGED
GANGED 200n
BAND- SWITCH SHOWN
SEND -
AT 2ND POSITION.
RECEIVE SWITCH
SHORT WAVE BAND 1
1500 - 3200 KC.
+
SW.
O$C. 58
2K 50K
.01
.01
©John F. Rider
www.americanradiohistory.com
2
A
5W.
S
clseinafics
RADIO MFG. ENG. INC.
---- ---'----UPPER CENTER - RESONATOR PADDING-
T
GANGED
R.F. <B
R.M.E. PAGE 15-3
MODEL 9D'
.1
100
ARC
150n
2K
RIGHT DIA
LEFT DIAL--J
----------GANGED
GANGED J
BAND- SWITCH SHOWN AT 3R0 POSITION.
SHORT WAVE BAND 2 3100-6500 KC.
30K MAN. V.C.
200n
SW.
SEND RECEIVE SWITCH
et
---- UPPER CENTER - RESONATOR PADDING-
I
-T
05C. 58
50K
D.
ARC
.
--J -LEFT DIAL
BAND- SWITCH SHOWN AT 4TH POSITION.
SHORT WAVE BAND 3
6900 - 13000 KC.
SEND RECEIVE SWITCH
el -
r----- - -UPPER CENTER - RESONATOR PADDING
GANGED
SW.
SW. S
R.F. 58
SW.
I
.01 100K
ARC
1-= RIGHT DIAL
2K GANGED I
I-LEFT DIAL---I
----------GANGED-
J
BAND -SWITCH SHOWN
AT 5T" POSITION. SHORT WAVE BAND 4
12000-22000 KC.
30
MAN. V.C.
200n
SEND RECEIVE SWITCH
V [AP
.01
MIXER 57
a
SR
.01
03C 58
o
I
SW.
J DON
-r UT
sw.°
1 MEG 50K
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 R.M.E.
MODEL 9D
RADIO MFG. ENG. INC.
OPERTION OF THE CRYSTAL FILTER
To operate the crystal filter for single signal reception, the white dot on the knob "D" should be set to the position corresponding to "S" and the knob "C" adjusted slightly to a position where background response is a minimum. When tuning for C7 signals using the crystal filter the tuning should be done with dial number 2, and.rotation should be slow due to the sharp resonance characteristic of the filter. In case comparative elimination of noises does not occur when the selectivity control "C" is adjusted from side to side, it is possible that the balancing condenser has become misaligned. In order to adjust this alignment to the null point, use an insulated trimmer screw driver and adjust the pressure screw on the small mica trimmer condenser located just behind and below the crystal filter compartment. This is accessible by raising the receiver cabinet cover and removing the shield box cover of the crystal filter compartment. With the receiver merely on the air or turned to station reception, this balance can be made by slightly turning the screw either way until minimum receiver responso is obtained.
When phone stations are to be received the carrier may be tuned in and the selectivity control "C" adjusted to broaden the crystal response. Although the result will be mostly a low frequency audio output, sufficient articulation frequencies are passed to make phone reception intelligible. Of course, when the crystal is used for phone reception the apparent strength of the speaker output is reduced due to the fact that the crystal has eliminated most of the side bands of the modulated carrier and since these eliminated higher side band frequencies contain some of the sound energy going to the speaker, the net effect is a reduction in sound output. However, with C7 reception, when the carrier to be received., is exactly tuned there is no reduction in the signal beat when the crystal is being used.
Then the crystal is placed parallel in the filter circuit (knob "D" set to position B, diagram 40A) it tends to short circuit (series resonance) at its resonant fr(3quency. This function is valuable for eliminating interfering heterodynes and its effect may be sharpened and broadened slightly in exactly the same way as the series operation of the filter. Its use in this manner is many times of invaluable service in connection with radio telephone reception.
THE MONITOR FOR MODUL..TION
On the rear of the chassis (Figure C) is a terminal marked "monitor feed wire terminal", which is used to connect a pick-up wire to the monitor curcuit. By pulling out the knob "B" the monitor circuit is connected and the radio amplifier circuits disconnected. The monitor is intended for the checkirg of modulation quality of a transmitter in the proximity of the receiver. For this purpose 10 feet or so, of wire lying on the floor, may be connected to the monitor terminal post: If more or less is needed that fact can be determined by noting the magnitude of the audio output. When using the monitor it is recommended that listening be done with head' phones to prevent audio feed-back, especially when the transmitter modulation originates at a nearby microphone. If transcription equipment is use the receiver loud speaker may be used. Volume may be controlled by the rotation of knob "B" in the same manner asthe radio volume of the receiver is controlled.
The monitor switch is operated by pulling on the knob "B" and thus also becomes the SNED.-RECEIVE switch, since it opens the plate supply to the radio and TF zmplifiers. The monitoring of CW signals can be accomplished by leaving the knob "B`' pushed in toward the panel in tho regular radio receiving position and the manual volume
iscontrol and beat oscillator knob "F" turned considerably toward the maximum clock: pDsi ion. The frequency of the transmitter must then be tuned to by 'Jhe
regular tuning controls and the beat note will be heard in the same manner as that of any received signal. It may be necessary in this connection to remove the regular antenna and substitute a shorter length in case the received signal is too strong. However, the manual volume control knob "F", when in the maximum clockwise position, reduces the receiver's sensitivity to a point which will accomodate most amateur transmittersd
©John F. Rider
www.americanradiohistory.com
Power Transformer
RADIO MFG. ENG. INC.
R.M.E. PAGE 15-5
MODEL D
Audio Trans former
Audio
2B7 2nd Det
I.F. Tra
24A Beat
Osc.
B.O. Box
B.C. R.F. coil
1.F. Tra
3 Gang
Main Tuning Condenser
B.C. Det. Coil
Band Spread
Condenser
57 1st Det
- RME-9D CHASSIS LAYOUT-27AA
m- -456
0 CD CD
405 K. Crystal
X -tal Box
u
Fig.0
Monitor
feed wire
terminal'
4000
600
ohms out-
ohms
putG
A A
(o oo)
R Meter
ZeFo Set
Service Cord
RME-9D Chassis (Rear View)
©John F. Rider
www.americanradiohistory.com
PAGE 15-6 R.M.E.
n
RADIO MFG. ENG. INC.
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R.M.E. PAGE 15-7
MODEL 45 Early, Late,Revised,45B
5.5
1.7
1
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2.= 1.5
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pow. E o //50
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BAND -SWITCH SHOWN AT 1 ST POSITION.
BROADCAST BAND .540-1.6 MC
GANGED
NOTE: WHEN M.G. CONTROL
IS NOT JN USE (CENTER ARM GROUNDED), SWITCH 3.4 IS OPEN.
o SW. F
1
2.3 9
VR -150 B+
2.38
2
SW.A
SW.0
7S7
5.5
OR
2
7B7
737 CONVERTER
R.F. AMP.
SW. D
2
2.5
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2.7
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/ 2.3
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IS NOT IN USE (CENTER ARM GROUNDED), SWITCH 3.4 IS OPEN.
SW. F 2
2.40
VR -150 8+
2.38
©John F. Rider
www.americanradiohistory.com
PAGE 15-8 R.M.E.
I%
dcl:esraíicá
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7B7
R. F. AMP.
757
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7J7
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-----I-GANGED -
GANGED
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NOTE:
WHEN M.G. CONTROL IS NOT IN USE (CENTER ARM GROUNDED), SWITCH
3.4 IS OPEN.
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GANGED
BAND -SWITCH SHOWN POSITION COUNTERCLOCKWISE
5.4 - 9.8 MC
NOTE:
WHEN M.G. CONTROL
IS NOT IN USE (CENTER ARM GROUNDED), SWITCH
3.4 IS OPEN.
©John F. Rider
www.americanradiohistory.com
VR -150 8+
ácl:eaaaika.
RADIO MFG. ENG. INC.
SW.c
757
OR
7J7
CONVERTER
5W. D
5
R.M.E. PAGE 15-9
MODEL 45 Early,
Late,Revised,45B
5.5
GANGED
BAND -SWITCH SHOWN AT 5TH POSITION COUNTERCLOCKWISE
9.8-18.0 MC
VR -150 8+
2¡+.4
___/
NOTE; WHEN M.G. CONTROL
IAsRMNOTGRION UVNSDEED(C),ENswTEITRcH
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SW. C
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NOTE:
WHEN M.G. CONT ROL
BAND -SWITCH SHOWN
POSITION COUNTERCLOCKWISE
18.0- 33 MC
IS NOT IN USEE(CENTER ARM GROUNDED), SWITCH
3.4 IS OPEN.
©John F. Rider
www.americanradiohistory.com
SW. F 6
VR -1S0 B+
2.38
PAGE 15-10 R.M.E.
MODEL 45 Late
RADIO MFG. ENG. INC.
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©John F. Rider
www.americanradiohistory.com
RADIO MFG. ENG. INC.
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4'.
R.M.E. PAGE 15-11
MODEL 45 Revised
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PAGE 15-12 R.M.E.
MODEL 45 Early, Late,Revised
RADIO MFG. ENG. INC.
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©John F. Rider
www.americanradiohistory.com
-
-RADIO MFG. ENG. INC.
R.M.E. PAGE 15-13
MODEL 45 Early, Late,Revised
------_J
G 0
Jumper
G C)
GAA BB RR
e
R-Meter Adj.
Line Cord
Transmitter
Blue
I
Break-in Relay Control Terminale Terminals
R
B B
}R
Green - to e or 6 ohm Votes Coil
Yellow
5,500 ohm)
Black
C.T.
Speaker Field
)
--7 Relay Coil
Energy Supply
)110 v. 0.5 Amp.
G O
Red
4,500 ohm) When receiver is
supplied with
To Transmitter
-------Power Supply Primary
Electro Dynamic Speaker. These wires are omitted when Permanent Magnet Dynamic Speaker is sup-
plied.
Relay to Control transmitter typical circuit diagram for connecting of relay control. Connect to terminal pair marked "R" on receiver. Relay closes when Stand-by Switch ie turned to "Trane".
FIGURE 2
Typical circuit for remote break-in control of receiver. Terminal pair marked "B" on receiver connect to "B - B". Circuit between "B" pair is closed when relay or remote switch is closed during transmitter stand-by periods.
Break-in terminale must be shorted if above circuit is not used.
py:urur_ Aamcmtaurra
Low Frequency (Banda 1 2) .`.
Motet Large holes are paddere, small holes are core adjustments
(Looking at tep of charais)
oO Osco.O
Band Band
Q
1
2
o O
o
Det.O
Band Band
02 o OR.F.O
Band Band
1
2
Front
z
r3E.0
j°
SA IST may also be used
High Frequency (Bande 3, 4, 5 & 6)
h
.o
v
a
m
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(Looking at bottom of set with cabinet bottom. removed)
e
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O
i7
O
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Det. Paddere
©John F. Rider
Iront
FIGURE 3
www.americanradiohistory.com
R.F. Padders
PAGE 15-14 R.M.E.
MODEL 45 Early,
Late,Revieed
RADIO MFG. ENG. INC.
TEST VOLTAGES OBTAINET) AT VARIOUS POINTS IN RECEIVER CIRCUIT
Measurements made with a voltmeter having internal resistance of 1000 ohms per volt. Instruments with lower internal resistance may give entirely different readings.
NOTE: Line voltage should be 115 volts, Stand-by switch on.
PLACE TEST PRODS BE7MN
CORRECT VOLTAGE
Radio frequency amplifier plate and ground Radio frequency amplifier screen and, ground Radio frequency amplifier cathode and ground Converter plate (pentode section) and ground Converter screen (pentode section) and ground Oscillator supply and ground First I.F. amplifier plate and ground First I.F. amplifier screen and ground First I.F. amplifier cathode and ground (The same voltages apply to the 2nd I.F. stage) 7C7 plate and ground 7C7 screen and ground 7C7 cathode and ground 7C5 plate and ground ... 7C5 screen and ground 7C5 cathode and ground
290 volts 107.5 volts
3 volts 310 volts 107.5 volts 150 volts *(1euv) 290 volts 107.5 volts
3 volts
43 volts 112.5 volts
3.1 volts 290 volts 305 volts
13.5 volts
VR -150 plate to ground 80 rectifier filament and ground . B.04 plate supply and around
(B40s turned on)
150 volts 325 volts 125 volts
These voltages are subject to a fluctuation of *15% without indication of material difficulties.
CONTINUITY CHECKS Receiver turned off. No jumper between "A" and Illl," on antenna terminal strip.
PLACE TEST PRODS BETTEEN
RESISTANCE
A-1 and ground A-2 and ground "G" and ground RF amp. grid and ground Converter grid and ground
Band 1 Band 2 Band 3 Band 4
Infinite Infinite Short 1.6 meg. ±20% X-(I,l me()) 3.5 ohms 1.5 ohms
.3 ohm .2 ohm
Band 5 .1 ohm
First I.F. Grid and ground Second I.F. Grid and ground Oscillator grid and ground B.O. Grid and ground 7C7 Grid and ground
Band 6
.1 ohm
1.6 meg. *20% et( I,emeq) 1.6 meg. *20% *( iefimeg)
50,000 ohms *20%
100,000 ohms *20%
250,000 ohms to
0 ohm as audio
gain control is
rotated.
7C5 Grid and ground Oscillator section of tuning condenser and ground
250,000 ohms *20% Bands 1,2,3,4,5
Infinite
I.F. Frequency: 455 Kilocycles
Band 6
Power Consumption at 115 volts, 90 watts
Audio Output: 3 watts
Audio Frequency Response: 100 to 5,000 cycles per second *2.5 db.
.1 ohm
Voice Coil Impedance: 4 ohms. *(6 caris)
'Ion supplied with an Electro Dynamic Speaker Field Coil
*In Early model
Resistances 10,000 ohms Tapped at: 4,500 ohms
©John F. Rider
www.americanradiohistory.com
RESISTORS
RADIO MFG. ENG. INC.
RME-45 PARTS LIST
CONDENSERS
R.M.E. PAGE 15-15
min 4 Early, Late,Revised
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11
]..12
1.13 1.24 1.15 1.16 1.17 1.18 1.19 1.20 1.21
1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43
100,000 ohms, 1/2 watt 50,000 ohms, 1 watt 30.050 ohms, Variable 2,000 cnms, 1/2 watt 2.000 ohms, 1/2 watt 300 ohms, 1/2 watt 50,000 ohms, 1/2 watt -2.000 ohms, 1/2 watt 2,000 ohms, 1/2 watt
100.000 ohms, 1/2 watt 100,000 ohms.. 1/2 watt
2.000 ohms, i/2 watt 2.000 ohms, 1/2 watt 100,000 ohms. 1 /2 watt
300 ohms, 1/2 watt 2,000 ohms, 1/2 watt 100,000 ohms, 1/2 watt 50.000 ohms, 1/2 watt 50,000 ohms, 1/2 watt 50,000 ohms, 1/2 watt 250,000 ohms, Variable
250,000 ohms, 1/2 watt 1,000 ohms, 1/2 watt 1 Megohm, 1/2 watt
100,000 ohms, 1/2 watt 1 Megohm, Variable
25(4000 ohms, 1/2 watt 240 ohms, 1 watt 35 ohms, 1/2 watt
20,000 ohms, 1/2 watt 1 Megohm, 1/2 watt
250,000 ohms, 1/2 watt 150 ohms, 1/2 watt 200 ohms, Variable
1,500 ohms, 1/2 watt 10,000 ohms, 1 watt 250,000 ohms, 1/2 watt 100,000 ohms, 1/2 watt 50,000 ohms, 1/2 watt
5,000 ohms, 1/2 watt 2,000 ohms, 1/2 watt 680,000 ohms, 1/2 watt 20% 6,800 ohms, 2 watt 10%
INDUCTANCES 4.1 Filter Choke 4.2 B.O.Coil 4.3 Xtal Filter Coil
TRANSFORMERS 5.1 Power Trans, 5.2 Outniit Trans. 5.3 4,3 I.F.Trans. 5.4 '2 I.F. Trans. 5.5 41 T.F. Trans.
2.1 2.2
2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.=3 2.24 2.25 2.26 2.27 2.28
2.29 2.30 2.31 2.32 2.33 t.;4
2.35 2.36
2.37 2.38
2.39 2.40 2.41 2.42 2.43 2.44 2.45 2.46 2.47 2.48) 2.49) 2.50) 2.51
.1 /ifd. 400 volt paper R.F. Section Tuning Condenser Set. Section Tuning Condenser Osc. Sectior. Vining Condenser .01 µfd. 400 volt paper .01 2f d . 400 volt paper .01,Lfd. 400 volt paper .01 µfd. 400 v It paper .01 µfd. 400 volt paper 100 142fd Mica .01 llfd. 4,) volt paper 50 ggfd. Mira 50 /4Lfd. Mica .01 µfd. 400 volt paper .01 µfd. 400 volt paper .01 µfd. 400 volt paper .01,-fd. 400 volt paper .01 µfd. 400 volt paper .01 µfd. 400 volt paper .01 µfd. 400 volt paper 250 µµfd. Mica 20 µfd. 25 v. electrolytic 20µfd 25 v electrolytic .1 µfd. 400 volt paper .01 ,L!fd. 200 volt parer .1 µfd. 400 volt paper .01 ,'/fù. 4)0 volt paper 100 ,..glfd. Mica
100 ¡ lfd. Mica 50 ,lµfd. Variable
100 /4Zfd. Mica Fadder 100 µµfd. Mica Padder .01 µfd. 400 volt Paper 10 µfd.) 15 µfd.) 3 Section Yilter Condenser 15 µíd.) .01 µfd. 400 volt Paper .01 µfd. 400 volt Paper 550 ¡µfd. Mica 600 uµfd. Mica 1300 ¡42fd. Mica 1700 ;µfd. Mica 3900 ¡.1µfd. Mica 10044,fd. Mica Padder 10 ¡fllfd. Variable .1 ¡ofd. 400 volt Paper 100 ¡tµfd. Mica - 500 '-;.V.
L.F. Sections of Tuning Condenser
1 µfd. 400 volt Paper
NOTE: In Early models all resistors are 1/3 watt. Resistor 1.36 is 2000 ohms;condenser 2.25 is 1.0 µfd. In Late and Revised models,resistor 1.44 is 5500 ohms,10 watts
S ITCHES
3.1
3 Position, 2 Pole, Star.i-by Switch
3.2
S.P.S.T. Line Switch on Tone Control
3.3
S.P.S.T. Beat Oscillator Switch
3.4
S.P.S.T. AVC Switch on :anual Gain Control
3.5
5 Position, 1 Pole Xtal Switch
©John F. Rider
www.americanradiohistory.com
PAGE 15-16 R.M.E.
MODEL 45 Early, Late,Revised,45B
8o Rectifier
RADIO MFG. ENG. INC.
7C5 Output
7C7 lst Audio
7A6 Automatic Noise Limiter
7B6 2nd. Detector Beat Oscillator
5.1
Power Transformer
Cì
I.F.T. Pads.
C
Filter 2.34,2.35,2.36
5.3 5.4
R-Meter Adj.
O
R -Meter
Ital Filter Unit
Band 1 and 2 Coils
Tuning Cond.
FIGURE I
757 R.F.
7J7 Converter RIdE-45 EARLY
3rd I.F. 7B7 2r.d I.F.
?nd.I.F.T.
B 0ºc.Coil
757 1st. I.F. let I.F.T.
Xtal Adj.
Regulator VR-150
7A6 Automatic 7C5 Output 7C7 let Audio Noise Limiter
756 2nd Detector Best, Oscillator
5.1 Power Transformer
0 O
80
Filter 2.34,
Rect. 2.35,2.36
U O
e
C-) 0
-C1____ fl
\ L
1-
t
R -Meter
Band I and 2 Coils
?B1E-45 LATE.REVISED,and 45-B
I.F.T. Pads.
3rd I.F.
5,3
1
B7 2nd I.F.
Tuning Cond. FIGURE 1
4.2.
5.4
2nd I.F.T.
B.O. Pad
f.)
5.5
B Oac.Coil
787 lst I.F. 1st I.F.T.
F ------JCtal Adj.
tal Filter Unit
7B7 R.F.
NOTE: In model 45-B a 7C7
7J7 Con.rarter
is used as a Beat
Freq. C.C. and a
5Y3G ie used as the
rectifier tube.
©John F. Rider
www.americanradiohistory.com
RADIO MFG. ENG. INC.
W
14°i
i
O -i I
R.M.E. PAGE 15-17
MODEL 45B
N
I}
44
1111 111
a ec
ry Hi
b'1
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0
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©John F. Rider
For Clarified schematics,see Pp.15-7 to 15-9;for Alignment,see P.15-12;for Voltage and Parts list,see P.15-19
www.americanradiohistory.com
PAGE 15-18 R.M.E.
MODEL 45 Early, Late,Revised.45B
RADIO MFG. ENG. INC.
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www.americanradiohistory.com
PAGE 15-4 RADIO W.T.
MODELS MB5,MB5A
R.F. AMP.
' 6K7
5
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RADIO WIRE TELEVISION
o5 W.
CONVERTER
6L7
BAND -SWITCH SHOWN AT IST POSITION. BROADCAST BAND
535 - 1800 KC
C3
CUT / 1
1
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BAND -SWITCH SHOWN AT 2N° POSITION
POLICE BAND 1.75-5.8Mc.
C2T
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6K7
5w.
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BY
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©John F. Rider
www.americanradiohistory.com
RADIO WIRE TELEVISION
RADIO W.T. PAGE 15-5
MB ,MB5A
VOULME & 110 V. SWITCH
n
6P6
6 F6
TUNE & WAVE CHANGE
n
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( 6 L7 l'
TONE & HI -FIDELITY
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SPEAKER
GROUND
ANTENNA
Fig. 1 Tuning Controls and Tube Position
ALIGNMENT PROCEDURE
. Correct alignment is of extreme importance in all wave receivers. The receivers are properly aligned at the factory with precision equipment and realignment should not be attempted by the service technician until all other causes of faulty operation are corrected.
In order to properly realign the receiver the following equipment is necessary:
1. A signal generator which will provide an accurately calibrated signal at any frequency from 456 kilocycles to 18 megacycles. The generator should have adjustable signal output.
2. An output audio voltmeter of the low voltage type to be connected across the moving coil of the speaker. This should be capable of providing a readable deflection for relatively low output levels to avoid the effects of overload.
3. An insulated or non-metallic screw driver for the adjustment of trimmers.
I F ALIGNMENT 456 KC
1. Connect the output meter (low scale) across the loud speaker voice coil. Turn the wave band switch to broadcast position. Turn the volume control to its maximum position.
2. Connect the test oscillator ground to chassis and the "hot" lead from the test oscillator to the grid of the 6L7 converter tube through a series .1 Mfd. condenser. Set test utcillator to 456 KC.
3< Turn selectivity control (second from the left) to its high selectivity Position. This is the left hand or counter -clockwise position.
4. Adjust I. F. alignment screws C17 and C18 of the output transformer to maximum output reducing output of test oscillator to keep meter reading on scale as alignment proceeds.
5. Adjust alignment screws, C15 and C16, of input transformer to maximum output as described above.
6. Readjust all four alignment screws to. insure accurate alignment. Always use the lowest possible output from the test oscillator to preclude the possibility of automatic volume control action confusing proper adjustment.
2. Set travelite indicator to end of scale (beyond 550 KC calibration) with gang condenser fully meshed at maximum capacitance.
3. Set dial to 1600 KC. Adjust broadcast oscillator trimming condenser, C9, for maximum output meter reading.
4. Adjust detector input trimmer, C14, to a maximum.
5. Adjust antenna stage trimmer, C6, to a maximum.
6. Set test oscillator to 600 KC and tune in the signal, then adjust broadcast oscillator padder. C10, for maximum output. Rock the main tuning adjust-
ment back and forth a degree or two in order to ob-
tain proper maximum. 7. Repeat adjustments described under 3, 4, and
5 for greater accuracy.
POLICE OR SECOND BAND
1. Turn the wave switch to second or police band. Leave oscillator connected as above but with the output set to 5000 KC and the .00025 Mfd. condenser replaced by a 400 ohm resistor. Set dial scale *to 5 MC on the second band. Adjust oscillator trimming condenser C8 for maximum output, observing as before that the proper point occurs at the minimum
or counter -clockwise position of the screw as two points are found.
2. Adjust detector input trimming condenser. C13, to maximum, while rocking the tuning condenseé slightly for maximum response.
3. Adjust antenna stage trimmer, C5, for maximum output.
4. Set test oscillator to 2000 KC and tune in the signal. Adjust oscillator padding condenser, C 1) , for maximum output, while rocking the tuning condenser as described above.
5. Repeat operations 4, 2 and 3 to assure precise alignment.
FOREIGN OR THIRD BAND
1. With the test oscillator connected the same as above and set to 16090 KC (16MC) set the dial to 16MC on the third band.
2. Adjust oscillator trimming condenser, C7, for maximum response. Use lower capacity or counterclockwise response point.
3. Adjust detector input trimmer,' C12, to maximum, socking tuning adjustment.
4. Adjust antenna trimmer, C4, for maximum re-
'nonse.
R. F. ALIGNMENT BROADCAST BAND
1. With test oscillator connected to the antenna post through .00025 Mfd., set signal generator te 1600 KC.
Fig. 2 Location of Trimmers
©John F. Rider
www.americanradiohistory.com
?AGE 15-6 RADIO W.T
MODELS MB5,MB5A
RADIO WIRE TELEVISION
Model 0:5 is designed to operate on 105 to 125 volts, 50-60 cycles a. c. supply only.
Model MB5-A is designed to operate on 115, 220 or 250 volts, 40-60
cycles a. c. supply.
Prices subject to changewithout notice.
SCHEMATIC LOCATION
Cl C2 C3
C4 C5 C6 C7 C8 C9 C12 C13 C14 C15 C16 C17 C18
C10 Cll C2e
C30 C35 C39 C23 C24 C31 C32 C33 C43 C45 C19 C20 C21 C41 C42 C25 C26 C28 C27 C34 C40 R2 R1
R9 R10
R3
R4
R5
R6 R7
Rll
R8 R21 R22
R12 R13
R14
R15
R16
R18
R19
R20
R23
R24
REPLACEMENT PARTS MODELS MB5-MB5A
PART No.
15089 B-15045
A-16718
A-16552 A-16552 A-16552 B-16559-4 B-16560-4 B-16550 B-16554-2 B-15427 B-16551-3
15936
15929
15918
15770 15761 15753
15752
15757
15-763 15756
B-16539-2 B-16843 16914 16915 16916 16919 B-15044 A-15037 A-15039 A-15098 B-16813 A-15023 A-15024 A-16615 15609 15513 15552
T5610
15515 15517 15512 15510
15611 15511 15523 15549
15520 15563
15562 B-15041 B-15043 A-16828
15066 15083 16842
16469 15084 15057 B-16637 A-15054 A-15053
C-16582 A -1E820 A-16821 C-16573-5 C-16807 B-16555-2 A-1950
DESCRIPTION
Bulb Pilot Light (edgelight)
Bezel
Condenser Variable Gang
Condenser Trimmer 3-30 MMF. triple strip
Condenser Trimmer 3-30 MMF. triple strip
Condenser Trimmer 3-30 MMF. triple strip
Condenser Trimmer 1st I. F. (paît of I. F. assembly)
Condenser Trimmer 2nd I. F. (part of I. F. assembly)
Condenser Dual Padding
Condenser Wet Electrolytic 30 MFD. 450 volts
Condenser Wet Electrolytic 16 MFD. 350 volts
Condenser Dry Electrolytic Dual 12-12 MFD. 18-25 volts
Condenser Mica 3000 MMF. 5
Condenser Mica 50 MMF. 207.
Condenser Mica 100 MMF. 207.
Condenser Tubular .2 MFD. 200 volts
Condenser Tubular .1 MFD. 200 volts,
Condenser Tubular .002 MFD. 600 volts
Condenser Tubular .05 MFD. 200 volts
Condenser Tubular .1 MFD. 400 volts
Condenser Tubular .01 MFD. 200 volts
Condenser Tubular .05 MFD. 400 volts
Control Tone with High Fidelity Switch
Control Volume with switch
Coil Antenna and shield
Coil Detectór and shield
Coil -Oscillator and shield
Dial and Paper Strip
Glass Convex
Knob (tune)
Knob (volume and tone)
Knob (band switch)
Paper Dial Backing
Pointer (minute)
Pointer (tuning)
Resistor Candohm wire wound 6500 ohms and 5300 ohms
Resistor Carbon 300+-10% '4 watt
Resistor Resistor
Carbon Carbon
20,000 30,000
++--2200%%
Y21 watt 1/ watt
Resistor Resistor Resistor Resistor
Carbon Carbon Carbon Carbon
1921050m000,e,00g+00.00-1++0+-2-%-22000%%1%/4 3w411/a4/4wttwwataattttt
Resistor Resistor
Carbon Carbon
20,000 3,000
++-1-280%70
1/4 1/4
watt watt
Resistor Resistor Resistor
Carbon Carbon Carbon
2530000,00,,00000000+++--2-22000%%%.
1/4
34
1/4
watt watt watt
Resistor Carbon Resistor Carbon
550000.,0+00-1+0-%20%1/2
1/4 watt watt
"Resistor Carbon 325 +-10% 2 watt
Retaining Spring for Bezel
Retaining, Ring for Glass
Socket Speaker
Socket 6 K7
Socket 6 C5
Socket 5 Z4
Socket 6 Q7
Socket 6 F6
Socket 6 L7
Socket 6 G5 with leads
Socket Pilot light R. H.
Socket Pilot light L. H.
Speaker 12"
Transformer 1st I. F.
Transformer 2nd I. F.
Transformer Power
Transformer Universal Tap
Transformer Audio Driver
Washer Felt
PRICE
$.13
.94 2.55
.23 .23 .23
.55 .97
.61 .65 .20 .09 .07 .11 ,10 .08 .09 .11 .07 .09 .70 .70 2.25 2.25 2.00 1.55 .25 .14 .15 .13 .05 .04 .04 .47 .05 .05 .05 -.05 .05 .05 .05 .05 .05 .05
.05'
.05 .05 .16 .16 .18 .16 .10 .11 .11 .07 .11 .11 .11 .45 .11 .11 6:65 1.70 1.55
3.515
6.60 1.26 .01
©John F. Rider
www.americanradiohistory.com
RADIO WIRE TELEVISION
RADIO W.T. PAGE 15-7
MODELS J39, J4011
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www.americanradiohistory.com
PAGE 15-8 RADIO W.T.
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