RIDER's PERPETUAL TROUBLESHOOTER'S Radio set service manuals - 1930 to 1954
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www.americanradiohistory.com
PERPETUAL
TROUBLE SHOOTER'S MANUAL
VOLUME XV
JOHN F. RIDER PUBLISHER, INC.
404 Fourth Avenue
New York 16, N. Y.
www.americanradiohistory.com
Other Rider Books
RADAR-WHAT IT IS
INSIDE THE VACUUM TUBE SERVICING BY SIGNAL TRACING FREQUENCY MODULATION THE METER AT WORK THE OSCILLATOR AT WORK VACUUM TUBE VOLTMETERS THE CATHODE-RAY TUBE AT WORK SERVICING SUPERHETERODYNES SERVICING RECEIVERS BY MEANS OF RESISTANCE
MEASUREMENT ALIGNING PHILCO RECEIVERS, Volume I AUTOMATIC FREQUENCY CONTROL SYSTEMS
PERPETUAL TROUBLE SHOOTER'S MANUAL
Volume VI Volume VII
Volume VIII Volume IX
Volume X
Volume XI Volume XII
Volume XIII Volume XIV
Volumes I to V, Abridged
AUTOMATIC RECORD CHANGERS AND RECORDERS
AN HOUR A DAY WITH RIDER
on
AUTOMATIC VOLUME CONTROL RESONANCE AND ALIGNMENT D -C. VOLTAGE DISTRIBUTION IN RADIO RECEIVERS ALTERNATING CURRENTS IN RADIO RECEIVERS
A -C. CALCULATION CHARTS, by R. LORENZEN UNDERSTANDING MICROWAVES, by V. J. YOUNG
The servicing data appearing on RCA and other pages carrying individual copyright notices, are copyrighted by the respective companies and are reproduced herein with their permission.
Entire Contents Copyrighted 1947 by John F. Rider
Printed in U. S. A.
www.americanradiohistory.com
FILING INSTRUCTIONS FOR ADDITIONAL PAGES
MANUFACTURER
ANDREA ANSLEY COLONIAL CROSLEY CRYSTAL E.C.A. ELEC.LABS. EMERSON FIRESTONE FIRESTONE FIRESTONE MOTOROLA GAMBLE
G.E. GEN.TELEV.
HALLICRAFTERS HALLICRAFTERS HALLICRAFTERS HAMMARLUND NAMMARLUND HAMMARLUND KAAR KAAR MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MAGNAVOX MEISSNER NAT.UNION NORTHEAST PACK.BELL PHILCO PHILLIPS PURE OIL RCA RADIO W.T. SCOTT SCOTT
BEGINNING WITH ENDING WITH
PAGE
PAGE
15-1 15-1,2 15-1 15=29 15-1 15-7 15-1 15-11 15-7,8 15-19,20 15-37 15-85 15-3 15-53 15-1 15-7,ó 15-35,36 15-65,66
15-1,2.
15-13,14 15-27,28 15-1,2 15-5 15-7,8
15-1'rs,14
15-17,18 15-21,22 15-31,32 15-37,38 15-43,44 15-51,52 15-57,58 15-61,62 15-79 15-1 15-1 1E-1 15-41 15-1 15-3,4
15-1:i,14 15-é35 15-13 15-5,6
1E-9,10
15-2 15-4 15-10 15-37 15-2 15-10 15-2 15-13 15-10 15-22 15-39 15-89 15-6 15-56 15-7 15-10 15-38 15-67,68 15-4 15-16 15-30 15-4_
1f;-16
15-10 15-16 15-20 15-24 15-34 15-40 15-46 15-54 15-59,60 15-64 15-90 15-4 15-2 15-2 15-44 15-46 15-6 15-16 15-91 15-14 15-8 15-12
CONTINUED ON NEXT PAGE
©John F. Rider
www.americanradiohistory.com
FILE AFTER
ALLIED 15-6 ANDREA 15-2 CHEVROLET 15-10 CROSLEY 15-28 CROSLEY 15-38 E.C.A. 15-6 E.C.A. 15-10 EMERSON 15-10 FIRESTONE 15-6 FIRESTONE 15-18 FIRESTONE 15-36 MOTOROLA 15-84 GAMBLE 15-2 G.E. 15-52 G.E. 15-56 HALLICRAFTERS 15-6 RALLICRAFTERS 15-34 HA_LLICRAFTERS 15-64 HALLICRAFTERS 15-77 HAMMARLUND 15-12 HAMMARLUND 15-26 JEFF.TRAVIS 15-2 KAAR 15-4 MAGNAVOX 15-6 MAGNAVOX 15-12 MAGNAVOX 15-16 MAGNAVOX 15-20 MAGNAVOX 15-30 MAGNAVOX 15-36 MAGNAVOX 15-42 MAGNAVOX 15-50 MAGNAVOX 15-56 MAGNAVOX 15-60 MAGNAVOX 15-78 MEGARD 15-4 NATIONAL 15-29 ARVIN 15-10 PACK.BELL 15-40 PACK.BELL 15-44 PHILLIPS 15-2 PURE OIL 15-12 RCA 15-84 RADIO W.T. 15-12 SCOTT 15-4
SCOTT 15-8
MANUFACTURER
SCOTT SCOTT SCOTT SCOTT SEARLE SENTINEL SPARTON S'l i W.WARN . STEW.WARN. STEW.WARN. STEW.WARN. STROMBERG STROMBERG STROMBERG U.S.TELEV. WEST.AUTO.CAL. ZENITH ZENITH ZENITH ZENITH ZENITH ZENITH ADMIRAL RCA THORENS
BEGINNING WITH ENDING WITH
PAGE
PAGE
15-13,14 15-31,32 15-35,36 15-39,40 15-1 15-17 15-5,6 15-11,12 15-23,24 1E-29,30 15-35,36 15-9 15-13,14 15-17 15-3 15-1 15-67,68 15-71, 72 15-77,78 15-81,82 15-87,88 15-91,92 RCD.CH.15-1 RCD.CH.15-17 RCD.CH.15-5
15-16 15-34 15-38 15-41,42 15-2 15-19 15-8 15-14 15-26 15-32 15-38 15-1i 15-16 15-20 15-4 15-4 15-70 15-74 15-80 15-83,84 15-90 15-94 RCD.CH.15-17 RCD.CH.15-26 RCD.CH.15-10
FILE AFTER
SCOTT 15-12 SCOTT 15-30 SCOTT 15-34 SCOTT 15-38 SCOTT 15-90 SENTINEL 15-16 SPARTON 15-4 STEW.WARN.15-10 STEW.WARN.15-22 STEW.WARN .15-2 8 STEY.WARN.15-34 STROMBERG 15-7 STROMBERG 15-12 STROMBERG 15-16 U.S.TELEV.15-2 TRUETONE 15-16 ZENITH 15-66 ZENITH 15-70 ZENITH 15-76 ZENITH 15-80 ZENITH 15-86 ZENITH 15-90 MISC.15-22 RCD.CH.15-16 RCD.CH.15-4
©John F. Rider
www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-1
MODEL AM3
6K7
Pie
-C84_
IF PEA/( 456 KC. -
C7
G
6K7
697
SWITCH IN SHORT WAVE
POS/T/ON
/rowcT/IC.
- CONDENSER S-
C, 000'MFD. Ce- .0002
C
C5 - .00275 t59:
C7 0/ 02 .05
Ca_
CCiel/-- 54
5W4
fed.
C,o
-RESISTORS -
}R, - 2500 - /000
off _ 4000
R/Lo,---
L5000 50000 /00000
500000
/85 RR,,s4--
/000000 9000./1
R/7-
POWER TRANSFORMER
PEAK /75 K. C.
PEAK wo K. C .
PEAK /Boo KC.
LANGWAVE PADLIER 99040C9ST PADOER
Pct ICE PADDER
\
í7LTER CY/OrE
PEAK 35o K.C.
LOVGWAVE 05C. TRIMMER
PEAK MOOK.C. dfb wcAST OSC. TRIMMER
PEAK 4000/X. C _
POLICE OS C. 774/MIER
SEC T/ON/K BOTTOM v,Ew
Ë SAPMNEITVATKWT/R60IM00ME/CRC.
PERK 35OK.C.
PEAK /400 K. C. PEAK 4000K. C.
LOMO Ww'E R.E TRIMMER BROADCAST RF. TRM1rER
PoLICE RJ- TR/M/NE/P
SRP/p.EFpATNTRW6IA0MaVMoEEART.
PEAK 350 KC LOVGWAE RNT 7 i9/4/ ER
PEAK /4o0/C.C. LifOADCASTANT TRIMMER PEAK 4000 K. C. POL/C E ANT TR/MAIER
6G5 JYiO4TWi7E QSC. TR/MAIER PEAK Mvoo K.C.
CONTROL
170VE CONTROL
1STArxw
SELECTOR
16SAw/VDircH
©John F. Rider
www.americanradiohistory.com
PAGE 15-2 ADMIRAL
MODEL .&M3 MODEL AM6
ecl:eNra#ics
ADMIRAL CORPORATION
R.F. AMP.
6K7
SW.
SW.
CAP
5W.
C4P
CONVERTER 6A8
RIZ
- I
B+
C9
Rlt
I
GANGED
C7
AVC
R3
C1 AVC
Rz
Br
BAND -SWITCH SHOWN
AT 15T POSITION. SHORT WAVE BAND
BAND A
SW.
GANGED
R.F. AMP.
SW.
6K7
s w.
SW
C
CONVERTER 6A8
Bt
BAND -SWITCH SHOWN AT 2ND POSITION BAND B
GANGED
©John F. Rider
www.americanradiohistory.com
\11
dCiLEItl4l[Cd rr
ADMIRAL CORPORATION
ADMIRAL PAGE 15-3
MODEL AM3 .MODEL AM6
R. F AMP
5 w.
6K7
SW.
CONVERTER
6A8
C7
8+
I C9
GANGED
R3
C1
AVC
B+
BANADT-S3W"ITCPOHSISTHIOONWN BAND C
R. F. AMP.
5w.
6K7
s w.
CONVERTER
6A8
BAND -SWITCH SHOWN AT 4T" POSITION BAND D
GANGED
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 AJ3MIRAL
MODEL 4.1 Issue B
ADMIRAL CORPORATION
IA7 IST. DET. 08C
INS IF.AMP
IH5
3Q5
2N0.DETAVC 8 ISTAU0 POWER OUTPUT
L'I 1.1
CIS
111
CT
I e
H
CND. I
L LE AO
=.11 CS
R4 C(7
NF.455 KC RANGE535 TO 1830 KG
ISSUE B 1946
VOLTAGE CHART
LS OOOOO " RFC
BOTTOM VIEW
BACK OF CHASSIS
RI3
C 10 C9
AMR1/21l
NEW
.. SATTER
SW 2
R II
0L01
SATT[RY
SWe
\` ; I,tsV.
-`i' S
3+90 VOLTS
BATTERY PLUG
(Top View)
VOLTAGE DATA
All readings made between tube socket terminals and chassis. Voltages indicated have been obtained using a Vacuum Tube Voltmeter. A second voltage reading is shown made with a 1000 ohm-per-volt meter, when use of this instrument would result in appreciable lower readings. Measured with a fresh battery, volume control full on, dial at the high frequency end, no signal.
OSCILLATION IN 4A 1 BATTERY RADIO CHASSIS
Occasionally audio oscillation may occur in the 4A1 chassis intermediate position. Should you encounter this trouble, reverse output transformer or ground the speaker frame to the chassis. lead of the 1H5 should be kept as far as possible from the 3Q5
with the volume control in
the leads of the primary of The speaker leads and the output tube.
an the grid
REPLACEMENT PARTS
Symbol CI C2
C3 C4
CS
C6 C7
C8
C9 CIO
CII
C12 C13 C14 C15 C16 C17
CONDENSERS
Description
Part No.
.01 mfd. 400 Volta
64B1-25
.0008 mfd., Mica
65B5-31
Trimmer, Antenna Trimmer, Oscillator
} 66A21-1
.0001 mfd., Mica
65B7-17
.0008 mfd., Mica
65B5-31
.01 mfd., 400 Volts
64B1-25
.002 mfd 600 Volta
64B1-14
4. mfd., 150 Volts (Elect) 67A4-2
.05 mfd., 200 Volts
6481-32
.00025 mfd., Mica
65B7-22
.00025 mfd., Mica
65B7-22
.01 mfd., 400 Volts
64131-25
.01 mfd., 400 Volta
64B 1-25
.005 mfd., 600 Volts
64B1-12
.01 mfd., 400 Volts
64B I-25
.01 mfd., 400 Volts
64B1-25
(C17 omitted in early modela)
Rl R2
R3
R4 R5, RS R6 R7 R9, R10 R1 1 R12 RI 3
RESISTORS
15,000 ohm % w 470,000 ohm % w 220,000 ohm % w 33,000 ohm % w 4,700,000 ohm % w 2,200,000 ohm % w 1 meg. Vol. Control 1.000.000 ohm % w 390 ohm 34 w
ohm J'a w (wire) 2200 ohm r/q w
60B8-153
60B2-474 60B8-224 60B8-333 60B2-475 60B2-225
75B1-1 60B2-105 60B2-391 61A2-1 60B2-222
TRANSFORMERS and COILS
Symbol
Description
Part No.
LI
Antenna Coil
L2
Oscillator Coil
L3
1st I.F. Transformer
L4
2nd S.F. Transformer
AC105-1 A1020 72B5 72B6
LS
Choke Coil (RF)
AB103-I
TI
Output Transformer
Specify all nimbera appearing on Output Trans. as well as speaker when ordering.
MISCELLANEOUS
Description
Background, Dial Cable, Battery (complete with plug) Cap, Grid Cord, Dial (5" on tuner and
53" on dial drive) Drum and Hub, Tuning Iron Slug, with wire (Osc.) Iron Slug, with wire (Ant.) Knob
Part No. X22B1-1 A1026 90AI-2
50A1-3 A1035 71B1-3 71B1-4 3 3 A I-2
MISCELLANEOUS
Description Plug, Battery 5 Prong Pointer, Dial Pulley, Fibre Dial Scale, Glass Dial Screw studs (for iron cores) Shield, Tube Shaft, Tuning Socket, octal tube Speaker and output Transformer Spring, Dial Drum Cord Tension Spring, Tuner slide cord tension Spring, Tuner slide pressure Spring, Tuner, front bearing takeup Spring, Tuner, back bearing takeup Spring, Hairpin (To hold Ant-Osc.
coils) Switch, SPST (Economizer) SW2 Washer, C Washer, spring (shaft) Washer, spring (coils)
Part No. 58A4-4 'SA3 17A1-3 '1B6-1 '7A4 S7A8 'FAI -1 87A5-1 7883 I9AI-5 I9A1-4 18A9 19A5 I9A6
19A3 -I 77B1-6 4A4-1 4A6-3-0 4A6-12-0
©John F. Rider
www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-5
MODEL 4A1 Issue B
ALIGNMENT PROCEDURE
1. IMPORTANT-Check to see that dial pointer reaches each end of dial scale when Station Selector Control is turned from one end to the other.
2. Volume control-Maximum for all adjustments.
3. Connect radio chassis to ground post of signal generator with a short heavy lead.
4. Connect output meter across voice coil of speaker.
5. Connect dummy antenna value in series with generator output lead, when needed (see below).
6. Allow chassis and signal generator to "heat up" for
several minutes
7. Use lowest Output setting of Signal Generator capable of producing adequate Output Meter indication and then proceed in the following sequence.
BAND
SIGNAL GENERATOR
Frenquency Dummy Setting Antenna
Connection to Radio
Receiver Dial Setting
Trimmers Adjusted (In Order Shown)
Trimmer Function
Type of Adjustment
I.F.
453 KC.
.1 mfd.
Grid of 1A7 (Cap)
I.F.maximum Iligh Frequency end of dial
C -D-2nd
Output I.F.
Adjust to
output
I.F.
435 KC.
.1 mfd.
Grid of 1A7 (Cap)
high Frequency
end of dial
A -B-1st I.E.
'
Input I.F.
Adjust to maximum
output
Broadcast
1630 KC.
.00020 mfd. Mica
Antenna Lead
High Frequency E -(See note below) end of dial F -(See note below)
Oscillator Antenna
Adjust to maximum
output
Broadcast
.00020 mfd.
1300 KC.
Mica
Antenna Lead
1300 KC.
G
Oscillator
H
Antenna
NOTE: outside
Before adjusting trimmers "E ' and "F." make of its coil form. If necessary, turn adjustments
sure "G"
that and
each iron core is 134," or
"H" to accomplish this.
more
Adjust to maximum
output
TUBE AND TRIMMER LOCATION
i TUNING CONTROL
e°'
®E F
9P AKER SOCKET
VOLUME CONTROL
1 &ON OFF SWITCH
ECONOMIZER
SWIT`"I
H°__
ANTENNA
IAT C O
INS
A O
INS
305 1
GT De
GT
e i)
GT
Go T
USED
®
NEW
- II/2 V 'A BATTERY
II
f/J,
+ 9
BATTERY CABLE
90 V8.ATTERY
BEALE -GROUND
CIRCUIT
Battery operated 4 Tube Superheterodyne with Single Tuning Range 535 KC. to 1630 KC. Covers standard broadcast band, using antenna and ground. Permeability tuning on Ant. and Osc. circuits. I.F. 455 KC.
POWER SUPPLY
Single unit "AB' battery pack. 90 volt "B" 11 volt "A."
'Plug in connection. Use Ensign AB48, Burgess 17G -D60, Eveready 748, General 60DL-11 L, Ray -O -Vac AB -82, or Bond 0528 Battery or Equivalent.
ECONOMIZER SWITCH The batteryeconomizer switch is located on the top of the chassis, right side.
Always have this Economizer Switch in the "NEW" battery position when first placing radio
in opPeration or when installinga new battery.
I
`--T'--1
(O
IrJf
II
STRINGING Di -IA7 Gr-R-1?AM
`lî 'r Lira
II
!!
O
KG INDICATED BYEMARKITTINNG G
ON POINTER 5110E
1300 KC. SETTING INDICATED BY MARKING
ON POINTER SLIDE
- - POINTER EXTREMES INDICATED BY MARKINGS ON POINTER SLIDE
- NOTE: DIAL AT LOW FREQUENCY END (IRON CORES FULLY IN COILS) 53" OF DIAL CORD REQUIRED
p¡¡N++trr
Oa
a!G1
©John F. Rider
www.americanradiohistory.com
t'AGE 15-b ADMIRAI,
MODEL C4
IA7 l'Y DU 4 OSC.
ADMIRAL CORPORATION
INS I^1. F. AMP
I NS 2"' DET. AV.0 l'aAUD.
3Q 5
POWER OUTPUT
DOTTOH VIaW
O SOCKtT
No.
Ohms
R1
200,000
R2
50,000
R3
5,000,000
R4
2,000,000
R5
1,000,000
Ri
I.F. 4SS IGC.
IC6
e. IL-
BATTERY PLUG CCR0Y! SiD/
/nD ces/ RANI)
RESISTORS
Watts
No.
V2
R6
V112
R7 R8 59
V.C.
Ohms
Watt/ No.
15,000,000
1/ Cl
/ L000,000
V2
2.000,000
V2
440-10%
C2 C3 C4
C5
C7
Capacity (Mid.)
.00005 .05 .00005 .05 .001 .0001
CONDENSERS
Volts
No.
Mica
C8
200
C9
Mica
C10
200
C11
200
C12
Mica
Capacity (Mid.)
.01 6.0 (Elect.) .00025 .005 .002
Volta
400 150 Mica 400 600
PAPER CONDENSERS P3203 .001 mid. 600 volt P1193 .002 mfd. 400 volt P1322 .005 mfd. 600 volt P164 01 mfd. 400 volt P148 .05 mfd. 200 volt
MICA CONDENSERS P1382 .00005 mfd. P817 .00025 mfd. P480 .0001 mfd.
ELECTROLYTIC CONDENSERS P3024 6 mid. 150 volt
VARIABLE CONDENSERS
P4310 Gang condenser
RESISTORS
F3817
440. chm 1/2 watt
P3853
50,000 ohm 1/2 watt
P3864 200,000 ohm 1h watt
P3882 1,000,000 ohm 1/2 watt
P3883 2,000,000 ohm 1/2 watt
P3886 5,000,000 ohm 1/2 watt
P3931 15,000,000 ohm V2 watt
©John F. Rider
VARIABLE RESISTORS
P4309 Volume control and switch...
TRANSFORMERS AND COILS
G6274 Antenna coil assembly P4308 Oscillator coil P4323 let I.F. transformer P3980 -8nd I.F. transformer
MISCELLANEOUS P3005 Tube socket
P1957 Battery plug
P3571 Tube shield
P4127 Drive shaft
PI399 Horseshoe washer
P2925 Cord tension spring
P470 P4925
P2149
Grid clip Speaker and output trans-
/ former
Chassis mounting bolt, dos.
P2863 Battery adapter cable
,7l;NING SHAFT
ON-OFF SWITCH S VOLUME CONTROL
r-
TRANS
2.91 TRANS
N SOT /iH5GT
3Q5 GT
ANTENNA LEAD (BLUE) GROLND LEAD (BLACK)
PRONGS TOVIARD
OBSERVER
8 -
www.americanradiohistory.com
ADMIRAI, PAGE 15-7
ADMIRAL CORPORATION
MODEL C4
MODEL D4,Late
ALIGNMENT DATA
MCDEL C4
SERVICE INFORMATION
GENERAL DATA
The alignment of this receiver requires the use of a signal generator that will cover the frequencies of 455, 600, 1400, and 1730, and an output meter to be connected across the primary or secondary of the
output transformer. If possible, all alignments should be made with the volume control on maximum and the signal generator output as low as possible, to prevent the AVC from operating and giving false readings.
LF. ALIGNMENT
Adjust the signal generator to 455 KC and connect the output to the grid of the first detector tube (1A7) thru a .05 or .1 mid. condenser. The ground of the signal generator should be connected to the chassis ground. Align all I.F. trimmers to peak or maximum reading on the output meter.
BROADCAST BAND ALIGNMENT
Connect the output of the signal generator to the antenna and ground leads of the set through a .0002 condenser and adjust the signal generator to 1730 KC. Set the gang condenser to minimum capacity and adjust the oscillator trimmer to receive this signal. After this has been carefully done, the next step is to set the signal generator to 1400 KC and after tuning in the signal. adjust the antenna trimmer to peak. The antenna and oscillator trimmers are located on the gang condenser. The trimmer toward the front on the gang condenser is the oscillator trimmer and the one toward the rear the antenna trimmer. This is all that is necessary for the alignment unless the plates of the gang condenser have been bent out of shape. In case of bent plates, set the signal generator and the receiver to 600 KC and bend the plates into the position for maximum sensitivity over the tuning range.
Speaker (Part No. P4925) 5" PM Type
D.C. voice coil resistance
Voice coil Impedance at 400 cycles Antenna Coil (Part No. G-6274)
_-..3.1 ohms 3.5 ohms
Looking at the connection end starting at the chassis in a clockwise direction the terminals are: No. 1, AVC; No. 2, grid; No. 3, Ant.; No. 4, ground. No. 4 Is grounded to the mounting bracket.
Primary-No. 3 and No. 4-Resistance 24.6 ohms. Secondary-No. 1 and No. 2-Resistance 2.2 ohms, A gimmik coil of 5.5 mmfd connects to terminals No. 2 and No. 3. Oscillator Cori (PartNnP4308) (Red & Brown Dots)
Looking at the connection end (with dots) starting at the chassis in a clockwise direction the terminals are: No. 1, grid; No: 2. plate; No. 3, B+; No. 4, ground.
Primary-No. 2 and No. 3-Resistance 2.2 ohms.
Secondary-No. 4 and No. 1-Resistance 5.7 ohms. First IF. Transformer (Part No. P4323)
- Primary-Blue white, plate; red white, B+ Resistance 12.1 ohms
- Secondary-White, grid; black white, AVC Resistance 24.9 ohms
Second I.F. Transformer (Part No. P3980)
- Primary-Blue white, plate; red white, B+ Resistance 15.1 ohms - Secondary-White, arid; black white, AVC Resistonoe 11.8 ohms
ALIGNMENT DATA
MODEL D4 Late
SERVICE INFORMATION
GENERAL DATA
Speaker (Pari No. P4040) 6" PM Type
The alignment of this receiver requires the use of a signal generator that will cover the frequencies of 455, 600, 1900 and 1730, and an output meter to be connected across the primary or secondary of the output transformer. If possible, all alignments should be made with the volume control on maximum and the signal generator output as low as possible, to prevent the AVC tram operating and giving false readings.
I.F. ALIGNMENT
Remove the chasers from the cabinet, adiust the signal generator to 455 KC and connect the output to the grid of the first detector tube (lA7) thru a .05 or .1 mid. condenser. The ground of the signal generator should be connected to the chassis ground. Align all I.F. trimmers to peak or maximum reading on the output meter.
U.C. voice coil resistance Voice coil Impedance at 400 cycles ....
26 ohms 3.0 ohms
Antenna Coll (Part No. G-5724)
Looking at the connection end starting at the chassis In a clockwise direction the terminals are: No. 1, AVC; No. 2, grid; No. 3, Ant.; No. 4. ground. No. 4 is grounded to the mounting bracket. Primary-No. 3 and No. 4-Resistance 24.6 ohms. Secondary-No. 1 and No. 2-Resistance 2.2 ohms. A gimmik coil of 5.5 mmfd. connects to terminals No. 2 and No. 3.
Oscillator Coil (Part No. 2412) (Red Dot)
BROADCAST BAND ALIGNMENT
Re-install the receiver completely in its cabinet. Connect the output of the signal generator to the antenna and ground terminals of the set through a .0002 condenser and adjust the signal generator to 1730 KC. Set the gang condenser to minimum capacity and adjust the gang condenser trimmer (oscillator) to receive this signal. After this has been carefully done, the next step is to set the signal generator to 1400 KC and after tuning in the signal adjust the antenna trimmer to peak. The antenna and oscillator trimmers are located on the gang condenser. The trimmer toward the front on the gang condenser is the oscillator trimmer and the one toward the rear the antenna trimmer. This is all that is necessary for the alignment unless the plates of the gang condenser have been bent out of shape. In case of bent plates, set the signal generator and the receiver to 600 KC and bend the plates into the position for maximum sensitivity over the tuning range.
Looking at the connection end (with dot) starting at the chassis in a clockwise direction, the terminals are: No. 1, grid; No. 2, plate; No. 3, B+; No. 4, ground. Primary-No. 2 and No. 3-Resistance 2.2 ohms. Secondary-No. 4 and No. 1-Resistance 5.3 ohms.
First IF. Transformer (Part No. P3048)
- Primary-Blue white, plate; red white B+ Resistance 12.1 ohms - Secondary-White, grid; black. white, AVC Resistance 24.9 ohms
Second I.F. Transformer (Part No. P2606)
- Primary-Blue white, plate; red white B+ Resistance 15.1 ohms - Secondary-White,. grid; black white, AVC Resistance 11.8 ohms
©John F. Rider
www.americanradiohistory.com
PAGE 15-8 ADMIRAL
MODEL D4,Late
IA7
IST DET005C.
ADMIRAL CORPORATION
irI N5 I.F. AMR
1H5 7wcDET/WC IST AUD
3 Q5
P0WEO OUTPUT
I.F. FGEA.-
KC.
RESISTORS
No.
Ohms
Watts
No.
RI 82 R3
R4
200,000
ÿl,y
70,000
ÿ2
5 Meg. 1/4
1 Mag. Vi
R6
R7 R8 R9
R5
500,000
V.C.
CONDENSERS
No. Capacity (Mid.) Volts
Cl
.00005
Mica
C2 C3
.05 .00005
200 Mica
G4
.1
C5
.002
200 400
C6
.001
200
No. Capacity Mid.) Volts
C7
.00025
Mica
C8 C9
.01 .00025
400 Mica
CIO
.01
400
Cil
20 (Elect.)
25
C12
005
400
PAPER CONDENSERS
P1193 P1322 P164 P148 P142
.002 mfd. 400 volt .005 mfd. 600 volt .01 mfd. 400 volt .05 mfd. 200 volt .1 mfd. 200 volt
P1382 P817
MICA CONDENSERS
.00005 mid. .00025 mfd.
ELECTROLYTIC CONDENSERS P2602 20 mfd. 25 volt
VARIABLE CONDENSERS
P2596 Gang condenser
TRANSFORMERS AND COILS
G572`4 Antenna coil assembly P2412 Oscillator coil P3048 1st I.F. transformer P2606 2nd 1.F. transformer
MISCELLANEOUS
P3005 P2243 P1587 P1399 P2078 P4032
Tube socket
Drive shaft Spring washer Horseshoe washer Cord tension spring Dial pointer
7" TUNING SMAPT 11
P945 P533 P3571 P1357 P470 P3156 P3993 P4033
P4040 P3389 P3520 P2863
Speaker socket .
.
Tube shield base...
Tube shield
Battery plug
Grid clip
Dial background
Tenite escutcheon
Metal escutcheon, dial glass and dial scale ... ... ..
5" PM speaker
Knob, push on type
Knob, set screw type
Battery adapter cable
ON-Off SNITCH rO[UHf COnTpOL
P3817 P3857 P3864 P3868 P3876 P3882 P3886
RESISTORS
440 ohm I/2 watt
70,000 ohm " watt
200,000 ohm 1/2 watt 250,000 ohm 1/2 watt 500.000 ohm V2 watt 1.000,000 ohm 1/2 watt 5,000,000 ohm l'2 watt
VARIABLE RESISTORS
P2600 Volume control and switch. .
©John F. Rider
BATTCAF CABLE
www.americanradiohistory.com
For Alignment,See P.15-7
ADMIRAL CORPORATION
I.F. 455 K.l,.
ADMIRAL PAGE 15-9
,c
MODEL 5B1 Phono Issue A
CHASSIS GROUND 4-
12SA7
LI
(1-
12SK7
12507
50L6GT
T I
2
/ I
1/ 114
g
R7
35Z5GT
t--- I PHONO- RADIO
j J
I
I I
OFF ON
H`rCII
CI7
+
' 47
MAZDA
12507 12SA7 1290(7 50L6GT
R12
C9 C9 C9
I
ALTERNATE FILTER
CIRCUIT USED ON
L5 EARLIER MODEL.
TO PIN
TO B +
000
3525 C220
C20
Ta Tb
TO B-
NOTE: 1. In later production Rl1 and C9a are disconnected from pin
2. The jumper between pins 4 and 5 on the 12SQ7 is removed and
No. 8 of the 35Z5 and a 33 -ohm 1 -watt resistor (R13) is
one pin is connected to the secondary of the second I.F. (L3) and the
connected between pin No. 8 and the junction of RI l and C9a.
other pin is connected directly to the junction point of R2 and the
In these sets, condenser C18 was deleted.
secondary of the 1st I.F. (L2).
ISSUE
NOTE:
A 1946
Connect points
"A"
and
"B"
with jumper when testing chassis
with phono plug removed.
CONDENSERS
RESISTORS VOLTAGE DATA
Symbol Capacity
CI
C2 C3 ...._ C4 ...._ CS ...._
.1
mfd. ..
.00005 mfd.
.02
mfd.
.01
mfd.
.01
mfd.
Type
200 V. Mica
400 V. 400 V. 400
Symbol Resistance
RI 22,000 ohms
R2
1 megohm
R3
10 megohms
R4......220,000 ohms
Typ
C34W
C54
C%W
C5411'
35Z5GT
IID AC.
117 AL.
12SK7
86
o -$1
0
94
35
22 AL
AO
50L6GT
91
t1
12507
D 12 AL.
C6
.00025 mfd.
Miccaa
C7
.0005 mfd.
Mica
C8
.02 mfd.
400 V.
C9a ....30.
mfd. (Elect.) 150 V.
C9b ....30.
mfd. (Elect.) 150 V.
C9c ....20.
mfd. (Elect.) 150 V.
C10 .... .2
mfd.
400 V.
CII .... .05
mfd.
400 V.
C12 ....
Cha ..
.005 mfd. .00042 mfd. (max.)
600 V.
C13b .. .00018 mfd. (max.)
C14 .... 00002 mfd.
Mica
C1S ._. .01
mfd.
400 V.
C16 .... .01
mfd.
400 V.
C 17 .... .2
mfd.
400 V.
CIS ... .000035 mid.
Mica
R5 470,000 ohms
C 4W
R6...._ 150 ohms
C54W
R7 150,000 ohms
C5415'
R8
54 megohm Volume
Control. Tapped at
100,000 and 200,-
000 ohms from
start.
R9 47,000 ohms
C54W
R10.... 27,000ohrrs
C/W
R11.... 150 ohms
CIW
R12.... 1,000 ohms
CIW
R13....
33 ohms ........_ CIW
Is AZ.
º4
o
94
35 0 A4
74
-º A 82
3
Aa
0
22 AC.
12SA7
94
ó FRONT OF CHASSIS
VOLUME CONTROL
Bottom View of Chassis, Showing Voltages
-All readings
Switch Lug
omn avdoelumbeetwceoenntroTlub(ePoSinotck"eXt "Toenrmdinraawlsinagn)d.
C20a ..30.
mfd.
C20b .._So.
n,fd.
150 V. 150 V.
-Measured on a 117 Volt A.C. line. -Volume control full on.
COILS
-Dial tuned to low frequency end, no signal.
Symbol
LI L2 L2 L4
Lí
Description
Loop Ist I. F. Trans. °n.1 I. F. Trans.
Osc. Coil Choke, Filter
--VAoroehlsmtsuae-lgctnooeinrsnd-vaoovpblotptalrtmeiancgeeieatdebrlroyenwaldhoViewnnagceuruuisrsmeeasodhTfionuwtbghnesi.svmoianlctsmetreutwmeriet.hnt
a 1000 would
POINTER SETTINGS AND DIAL CORD STRINGING
NOTE OIAL CORD Ano POINTER SCORN IN SOLID L INES
PRECI PO.,, Ri5OSHEN vA
nOfxsER
ED.
THE SANC CXCEPT AS NOTED OM INE AODInOMAL
P4º,, Gies ONO.
/,NET..VSE
. T.
ENA, GANG LONO.
RECORD CHANGER SERVICE DATA
Complete service information
by a separate service manual.
model serial
number. numbers
The RC150 was below 500.000.
and parts list are covered Check record changer for used by all models having
POINTER EXTREMES .. elEO eT HOL[s . DIAL BALXG RODNo
600 KC.SETTING
...IS INDICATED OT DOT NEXT
TO CONNECT
NO
1400 KG SETTING [O BT DOT NEXT
TOO CONNECT CHASSIS NO
DIAL BACKGROUND
vll'III
o EXTRTEE NE
RADIO RECEPTION DURING PHONO bdstapwhosuaehecsctIweksetfInidaee.biFtrsels.enbwnaf.ytrnoirostdractmmamnhatseaiosfcodlvooncifrnnstlomood.grseeensPTrctsoHhrtewoonirOsnidrNtgeehiCn,nOe4srtcae,ecoadrrhnnfuioeandnCsrele4ssceainttssaesscadteisactohtlsnoocefassapenprortiasontssdofoibri4boometlomheerhd.eteii5amtaAchlroheeldfsisasosf1sb1a2time2uiSsnSnQortQevlae7yd7se-,
©John F. Rider
For Alignment and Parts, see P.15-12 Record Changers: Admiral Models RC150,RC160,or RC160A
www.americanradiohistory.com
PAGE 15-10 ADMIRAL
MODEL 5B1,Issue B
Non-Phono
Cl2T 12SA7
LI
ADMIRAL CORPORATION
I2SK7
12SQ7
---0aa0.L.3AZS
50LSGT
/~ L4
/
2
CI4
CI3b 7-
Ce
oIz-
co
R2
o
>
L----- T ISSUE B 1946
ALTERNATE FILTER CIRCUIT
USED ON EARLIER MODEL. L5
TO PIN 8
8t
T° bi, SUPERSEDES A 35Z5GT 1,C20 C20L
I
CHASSIS GROUND..-
I FR 455 KC.
TO e-
.:.
as 47
MAZDA
00 t CII © 12S07 I2SA7
35Z5GT
R9 RIO
00 00
123K7 5OL8GT
a..b,.c C9 C9 C9 1111-NññNrCIO
NOTE: 1. In later production R9 and C9a are disconnected from pin
No. 8 of the 35Z5 and a 33 -ohm 1 -watt resistor (R11) is
connected between pin No. 8 and the junction of R9 and C9a.
CONDENSERS
RESISTORS
Symbol
Capacity
Type
C1 ...._ .1
mfd.
200 V
C2
.00005 mfd.
Mica
C3
.02 mfd.
400 V.
C4
.01 mid.
400 V.
CS
.01 mfd.
400 V.
C6
.00025 mfd.
Mica
C7
.0005 mfd.
Mica
C8
.02 mfd.
400 V.
C9a ....30.
mfd. (Elect.) -150 V.
C9b ....30.
mfd. (Elect.) 150 V.
C9c ....20.
mfd. (Elect.) 150 V.
C10 .... .2
mfd.
400 V.
C11 .... .05 mfd.
400 V.
C12 .... .005 mfd.
600 V.
C13a .. .00042 mfd. (max.) Var.
C13b .. .00018 mfd. (max.) Var.
C14 .. .00002 mfd.
Mica
C20a ..30.
mfd. (Elect.) ..150 V.
C20b ..50.
mfd. (Elect.) ..150 V.
Symbol Resistance
Type
RI 22,000 ohms
C54W
R2 470,000 ohms
C5/2W
R3
10 meg ohms CS4 W
R4 220,000 ohms
C% W
RS 470,000 ohms
C54W
R6
150 ohms
CVaW
R7 150,000 ohms
C% W
R8
I meg ohm Volume
Control
R9
ISO ohms
CIW
RIO.... 1,000 ohms
CIW
R11....
33 ohms
CIW
Ss mbol LI 1.2
1.3 1 4 1.3
COILS
Description
Loop
Ist I. F. Trans. 2nd I. F. Trans.
Osc. Coil Choke, Filter
-SPECIFICATIONS
POWER SUPPLY:
FP11ore0wq-1eu2re0nccoVyno-slu5tsm0Aptt.iCoo.n6-o03r c0Dyc.wCle.astUts.L. approved.
2. The jumper between pins 4 and 5 on the 125Q7 is removed and one pin is connected to the secondary of the second I.F. (L3) and the other pin is connected directly to the junction point of R2 and the secondary of the 1st I.F. (2).
VOLTAGE DATA:-
35Z5GT 11044 117 AC.
12SK7
o 94
50L6GT
66 94
12SÁ7
O
125.C.
4z o0 0 0 4
224.C.00 0 0 94
o
35 0 AC.
FRONT OF
CHASSIS
-X (VOLUME
CONTROLf
Bottons View of Chassis, Showing voltages
-All readings made between Tube Socket Ter-
minals and Switch Lug on volume control (Point "X" on drawing) .
-Measured on a 117 Volt A.C. line.
-Volume control full on.
-Dial tuned to low frequency end, no signal.
-Voltages indicated
voltmeter.
obtained
on
Vacuum
Tube
-A second voltage 1000 ohm-per-volt ment would result
reading is shown made meter when use of this
with a instru-
in appreciably lower readings.
POINTER SETTINGS AND DIAL CORD STRINGING
NOTE -DIAL LORO AN0 EDINTER SHOWN IH SOLIO LINES
ARE IN RRECT v
RNEN v
OLE
6.2 CONDE5NSuEsREuGJAoNGCPO.M4P9E,N5SeATEumEO0N.
RNEH GANO *NE REVERSE
ROYaTiON.THE CORO AND ROMTER eRE sTRUNG
TCERT AS NOTED ON THE ADDITIONAL
SRETCN.E
THIS ME THGD D WITry
P4975 GANO COND.
CIRCUIT:-
Chassis 5B1 A.C.-D.C. 5 Tube Superheterodyne with single tuning range, 540 Kc. to 1630 Kc., covering standard broadcast band; built-in AEROSCOPE loop antenna, with provision for connecting an external antenna.
©John F. Rider
POINTER EXTREMES .Iro cnreD DV HOLES IN DIAL SAC'.OROJNO
60OTE0
NG SETTING
eETDTOIT NNGE.T
TBCN TO CORNECT CHA591$ HO iG
55NSENOT
®e ïT_ _1
DIAL BACKGROUND
POINTER Ex T REN(
®
For Alignment and Parts, see P.15-12
www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-11
MODEL 5B1A Issue B
012
T LI
,12SA7
12SK7
L2
12S07
L3
50L6GT
106 LT
RI
R14
L4 2
-7-1(13C?
rb11 e
1214
T
S3ó°.
C6
R2
/
/ RADIO SI
R6
C4 t
/ o
PHONO e R9
RIO R3
cIS.i.
35Z5GT
e CIO
PHONO
OFF
RADIO
"p ON
I.F455 K.C. CHASSIS GNO.±
/ -D-
®
1147 MAZDA
fCII II
C17
O 0 © O O© © 0
12S07 12 SAT 128K7 SOL60T
ISSUE B 1946
CONNECTION FOR SwITCN R 7TAO
010DE RETURN LC AO
TO SI VOLUME
CONTROL
e At12tS ATaTl
CONNECTION FOR SWITCN77A11
TO VOLUME CONTROL
0100E RETURN
NONO PICKUP
LEAD
',NONO PICKUP
B FILTER
(t12SK712SA7
ST AC LINE SWITCH OuNTEC ON PLATE SENINO S(WAFER
REAR VIEW
FILTER
A.C.
LINE
TOP VIEW
REPLACEMENT PARTS
ALTERNATE FILTER CIRCUIT USED.
T35GZSTc6o2D2 0 220
T/
T'
TO 8 -
CONDENSERS
Symbol
Description
Part Number
Cl C2 C3
C4
C5 C6
C7
C8 C9a C9b C9c CIO
(:11 C12 C13a C13b
CI4 C15 C16
C17
C20a C20b
.1 mfd., 200 Volts
50 mmfd., Mica
.02 mfd., 400 Volts
.01 mfd., 400 Volts
.01 mfd., 400 Volts
250 mmfd. Mica
500 mmfd, M'ca
.02 mfd., 400 Volts
30 mfd., 150 V.
30 mfd., 150 V. )}.Electrolytic
20 mfd., 150 V.
.1 mfd. 400 Volts
.05 mfd., 400 Volts
.005 mfd., 600 Volts
.00042 mfd., Gang j
.00018 mfd. Gang
15 mmfd., Mica
.01 mfd., 400 Volts
.01 mfd., 400 Volts
.05 mfd., 400 Volta
30 mfd., 50 mfd.,
150 V. 150 V.
1
J
Electrolytic
64B1-30 65B7-11 6401-24 65A3-10 65A3-10 6507-22 65B7-27 64131-24
67A8
(ì4B 1-20 64B1-22 64131-12
68,4'2 or P4975 65B5-3 65A3-10 65A3-10 64B1-22
67A3
RESISTORS
RI
22,000 Ohms, % Watt
R2
1 Megohm, %y Watt
R3
10 Megohm, % Watt
R4 220,000 Ohms, % Watt
R5 470,0(10 Ohms, t1A Watt
It6
150 Ohms, %r Watt
R?
150,000 Ohms, % Watt
60138-223 60B8-105 60B8-106 60B8-224
1,0138-474
6008 151 60B8-154
RESISTORS
Symbol
Description
Part Number
R8
%r Megohm, Volume Con-
trol and Switch. Tapped
at approximately 100,000
and 200,000 ohms from
start.
75B3-2
R9
17.000 Ohms, % Watt 6008-473
RIO
27,000 Ohms, 1'A Watt 60B8-273
R11
150 Ohms, 1 Watt
60B28-1
R12
1,000 Ohms, 1 Watt
601328-2
R13
33 Ohms, 1 Watt
60B28-3
R14
10 Meg., '/2 Watt
60B9-106
TRANSFORMERS and COILS
LI
Antenna, Loop
69B6
L2
Transformer, 1st I. F. 72B3
L3
Transformer, 2nd I. F. 72B4
L4
Oscillator, Coil
69A5
L5
Choke Coil (Filter)
74A1
T1
Transformer, Output 98A4
PHONOGRAPH PARTS
See Record Changer Service Manual for
Detailed Parts List.
Description
Part Number
Centerpost Crystal Cartridge Idler Wheel (407B3 Motor) Idler Wheel (407B2 Motor) Idler Wheel (4117B1 Motor) Motor, 611 , 1,Ir 115 volt, A G.
Cl:vprs 407151 & 407B2 also used)
G400Al2 409A1 G400A23 G400A59 C400A57
407133
MISCELLANEOUS
Description
Part Number
Background, Dial
22137-1
Buttons, Snap (Dial)
13A1-3-2
Cabinet Body less cover
(6RT41A Mahogany)
34D2-11
Cabinet Cover (6RT41A Mahogany) 34D2-10
Cover Support
37A7 -I
Dial Scale
2104-1
Drum and Hub Assembly
A1012
Grommet, Rubber Insulating
12A1-1
Grommet, Rubber for Drum
12A1-2
Knob, Tuning, Volume Control
33A1-2
Knob, Radio-Phono Switch
33A11-5
Pilot Light No. 47
81A1-8
Pilot Light Socket and Leads Plug, Button
82A2-1 13A2-1-57
Plug, Alden (Motor Leads)
88A8-1
Pointer
25A1-2
Pulley, Fibre Dial
17AI-3
Shaft, Tuning.,
28A1-1
Socket and Leads (Alden)
89A6-2
Socket, Octal Tube
87A5-1
Speaker, 5"PM & Output Transformer 78013-1
Spring, Dial Cord Tension
19B1-7
Switch Rotary Radio-Phono
77A8
Transformer, Output
98A4
Washer, Flat Insulating
5A1-6
Washer, Offset Insulating
5A? 5
Wa::her, Spring ....
4Ab.3 0
©John F. Rider
Record Changer: Admiral Model RC150. For Voltage,dial data, see P.15-9; for Alignment,see P.15-1
www.americanradiohistory.com
PAGE 15-12 ADMIRAL
MODEL 5B1 MODEL 5B1A MODEL 6A1,Issue B
ADMIRAL CORPORATION
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©John F. Rider
www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-13
MODEL E5
! Ie7 ori
103,
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lus
303
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RESISTORS
No.
Ohms.
R1
00,000
R2
50,000
R3 5,000,000
R4 3,000,000 V. C.
R5 1,000,000
R6 15,000,000
R7 10,000.000
RS 1,000,000
R9 2,000,000
R10
30
R11
3,500
R12
2,600
R13
440
R14
300
R15
300
R1ß
3,000
CONDENSERS
Watt
No. Capacity (ltd.
Cl
.00005
C2
.05
C3
.00005
C4
.01
C5
.001
C6
.001
C7
.00025
C6
.00025
C9
.01
C10
.002
C11
100.
C12a C12b C12c C13 C14
100.
50. 30.
.05 .25
- o ilolTs /-f: 455
200
Mica
400
600 P3203
600
P904 P164
Mica P148
Mica
P334 P141
400
PAPER CONDENSERS .001 mid. 600 volt .002 mid. 800 volt .01 mid. 400 volt
.05 mid. 200 volt
.05 mid. 400 volt
.25 mid. 200 volt
600
10
25
P1382 P817
150
MICA CONDENSERS
.00005 mfd. mica
'
.00025 mid. mica
150
400 200
ELECTROLYTIC CONDENSERS
P4831 100 mid. 10 volt
P4860 Lug type or
30 mid. 150 volt¡
50 mfd. 150 volt
P4860A Lead type 100 mid. 25 volt
MISCELLANEOUS
P3005 Tube socket P3783 Mounting base (for P4860) P1957 Battery plug P357I Tube shield P4I27 Drive shaft
Dial cord (per yard) P1587 Spring washer P1399 Horseshoe washer P2925 Cord tension spring P470 Grid clip
Dial scale; order by name and model number
P1585 Snap button, for dial scale, dozen
Dial glass; order by name and model number
Pointer; order by name, model number and color
Knobs; order by name. model number and color
P4925 Speaker and output transformer
P4953 Power change switch P2215 Line cord P2149 Chattels mounting bolt, 1/2 dos. P2863 Battery adapter cable
P2436 P3813 P3817 P4952
P3833 P3834 P3853 P3864 P3882 P3883 P3884 P3886 P3889 P3891
RESISTORS
30 300 440
ohms ohms ohms
w1/hirewwaawttttou..n..d.....
2,600 ohms 8 watt
wire wound
3,000 ohms Ih watt
3,500 ohms Ih watt
50.000 ohms 45 watt
200,000 ohms Ih watt
1.000.000 ohms 4í watt
2.000.000 ohms 44 watt
3,000,000 ohms Ih watt
5,000.000 ohms Ih watt
10.000.000 ohms Va watt
15.000.000 ohms Ih watt
TRANSFORMERS AND 00113 G6484 Antenna coil assembly P4308 Oscillator coil P4323 1st I.F. transformer P3980 2nd 1.F. transformer
ALIGNMENT DATA
GENERAL DATA
The alignment of this receiver requires the use of a signal generator that will
ctfcsooioobrnvmlbteeer,erorlc.ttohooenInpfnfrrepmeecovqtaseeuxsndieitbmnlacteuchi,mereosaslAoaslfnVtad4hCl5ie5gt,fhnrpeom6rm0isem0in,gaotn1srp4aye0lsr0ohag,roteiaunsnnlegeddcraoabt1nnoe7ddr3a0mro,gyauiavdtnpoienfdugttwahaineftsahloosltuueohttweppruuevattasodmtlriunpaemongtessse-r-.
P4310 TUN/NC
VARIABLE CONDENSERS Gang condenser
VARIABLE RESISTORS
P4309 Volume control and switch..
ACOC! IATTCRT JW/TC/I
VOLUME
OM Off SW/TCN
LF. ALIGNMENT
Adjust the signal generator to 455 KC and connect the output to the grid of the firs
detector tube (1A7) through a
the signal generator can be
.05 or .1 mfd. connected to
condenser. the chassis
all I.F. trimmers to peak or maximum reading on the
The ground or ground. Align output meter.
BA(tsasmstoBoinihRLggletaumnIOn6enpeGa0ant)Aie0lNlnn..DutiMaghmKnCAIerlCEnuoAetnfrNmsuteciSeasmgTraTrnahscmtdtetahoBheaperirobAsafe.pNct0tonhboli0Datdea0yt1nsp2e4ttsea0hbma0pneeokldfefa.dKpnt.lateCTahdsmAccteh,jeaoauiidssnrgnscsejedanauttifInnessutctattchghlofotlaetetynhlectledrtshoodhieetosngsethncuindnagpsineeaolteonl,inluransa.sittiggltspoetheigruroeSnnietnneeethnnrtrcaiettfeameohovtrxthsreaoetmsettrmaohssbertregaireaeygnatxeptonndaonifamngo1ilrtsrt7bhueec3aeemcttno0ohdnennerjtiKeuavdsoCcgeseaeuettullntiaiepttvsgtthnauhheenioddteersr-.f
CROUNO
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PC06 C GeCP
BATTERY OPERATION
This receiver is designed to operate on a single unit General 60B-6L or Burgess 6TA-60. The battery will fit inside the cabinet in back of the chassis.
©John F. Rider
www.americanradiohistory.com
PAGE 15-14 ADMIRAL MODELS 5F, 5F-FH
ADMIRAL CORPORATION
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ADMIRAL CORPORATION
ADMIRAL PAGE 15-15
MODEL 6A1, Issue B
I2SJ7
R.F. AMP.
12 SA7 19T. DETr0S0.
III 2
III
12SK7
I.F.
12S07
35L6GT/G
2N11 DET. AVC.IST. AUD.
OUTPUT
LS
CII
TI
C12
(PM)
1
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R6
7
R7
C6
C
C9
i
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RH
RI2
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TIT
35Z5GT/G RECTIFIER
ISSUE B+719+46
SUPERpSEDES ISSTUomE+ A ALTERNATE FILTER CIRCUIT USED ON EARLIER- MODEL
CHASSIS GROUND
I F. 455 KC
TO PIN e
35Z5GT
L6
C20
T.
TO8+
C20
Lb - TO O
M 47 MAZDA
RIO
RIS
C13 C13 C13 R13
0 0© 0 0 0 0© 0 E3
SW I
12507 12 9A7 I2SJ7 12SK7 351.661
CIS
NOTE:
1. In later production R14 and C13a are disconnected from pin #8 of the 35Z5 and a 33 -ohm 1W resistor (R16) is
2. The jumper between pins 4 and 5 on the 12S07 is removed and one pin is connected to the secondary of the second I.F. (15) and the other pin is connected
connected from pin #8 to the junction of R14 and C13a.
directly to the junction point of R5 and the secondary of the 1st 1.F. (L4).
CONDENSERS
Symbol Capacity
Type
C-1
.005 mfd
600 V.
C-2 785. mmfd
Mica
C-3
.05 mfd
400 V.
C-4
.02 mfd
400 V.
C-5
50. mmfd
Mica
C-6........ 250. mmfd
Mica
C-7
.01 mfd
400 V.
C-8
.01 mfd
400 V.
C-9
.01 mfd
400 V.
C-10 500. mmfd
Mica
C-11
.01 mfd
400 V.
C-12
.02 mfd
400 V.
C -13a.... 30. mfd Elect 150 V.
C-13b.... 30.
mfd Elect 150 V.
C-13c.... 20. mfd Elect 150 V.
C-14
.05 mfd
400 V.
C-15
.2 mfd
400 V.
C-16 250. mmfd
Mica
C-17
.1 mfd
200 V.
C-18 20. mmfd
Mica
C-19a....420. mmfd (max) Var.
C -19b....180. mmfd (max.) Var.
C-20a.... 30.
mfd Elect....150 V.
C -20b.... 50. mfd Elect....150 V.
COILS
Symbol
Description
L-1....(Sec. 2.3 ohms)
Loop
L-2....(2.5 ohms)
R. F. Coil
L-3
Osc. Coil
L-4
1st I. F. Trans.
L-5
2nd I. F. Trans.
L-6....(325 ohms) Choke, Filter
RESISTORS
Symbol Resistance
Type
R-1
10,000 ohms
C1/2W
R-2
10 meg ohm C1/2W
R-3
22,000 ohms
C1/2W
R-4
100 ohms
C1/2W
R-5
I meg ohm C'/2W
R-6
47,000 ohms
C1/2W
R-7
27,000 ohms
C1/2W
R-8 500,000 ohm Volume Control, (Tapped at 1/3 and 2/3 of Rotation which is 100,000 ohms and 200,000 ohms from the start, due to the taper).
R-9
5 meg ohm ....Cl/2W
R-10 270,000 ohms
C1/2W
R-11 470,000 ohms
C1/2W
R-12
150 ohms
C1/2W
R-13 150,000 ohms
C1/2W
R-14...... 150 ohms
C1W
R-15
1,000 ohms
C1W
R-16
33 ohms
C1W
OSCILLATOR COIL
BLANK
TOTAL 5 OHMS
3
4.5 OHMS
k,
2
CamI
-SPECIFICATIONS
POWER SUPPLY: 110 -120 Volts A.C. or D.C.
Frequency 50-60 cycles.
Power Consumption -30 watts.
- CIRCUIT: Chassis 6A1 A.C.-D.C. 6 Tube Superheterodyne, with R.F. stage; Single tuning range, 540 Kc. to 1630 Kc., covering standard broadcast band; built-in AEROSCOPE loop antenna, with provision for connecting an external antenna.
©John F. Rider
VOLTAGE DATA:-
I2SJ7
35Z5GT
e5 24 AC.
35L6GT
es 88
0 12507
0 12 AC.
0
12SA7
-II ° FRONT OF CHASSIS
Bottom View of Chassis, Showing Voltages.
-All readings made between Tube Socket Terminals and
Switch Lug on volume control (Point "X" on drawing).
-Measured on a 117 Volt A.C. line.
-Volume control full on.
-Dial tuned to low frequency end, no signal.
-Voltages indicated obtained on Vacuum Tube voltmeter. I -A second voltage reading is shown made with a 1000 ohm-per -volt meter when use of this instrument would result in appreciably lower readings.
POINTER SETTINGS AND DIAL CORD STRINGING (See Section on "Dial Drum
Position" on Reverse Side.)
POINTER EXTREMES INDICATED BY HOLES IN DIAL BACKGROUND
600 KC. SETTING
INDICATED BY DOT NEXT TO CORRECT CHASSIS NO
1400 KC. SETTING
INDICATED BY DOT NEXT TO CORRECT CHASSIS N0.
DIAL BACKGROUND (SHOWN TRANSPARENT)
For Alignment and Parts,see P.15-12
www.americanradiohistory.com
PAGE 15-16 ADMIRAL MODELS 6E1,6E1N
ADMIRAL CORPORATION
-- ANT. ONO.
1N5
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1.4
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WITH TTA10 SWITCH
11726
W[CTVIES
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SW1
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12
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212,
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LF.
305
INS
SWI
SWI
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7 9 e 10 11 12
R.F
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SWI
L\YOS CONT.
Sa
ISSUE A 1946
TOP VIEW
OF BATTERY PLUG 000
VOLTAGE CHART
o IH 5
1N5
ó °0 O 305
o
se
loe
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l2 0
o OO 0
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0
7.0
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117Z6
117Ac 132
O 117
II7At
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SLIGHTLY NEG.
2.7
o
o
o
o
112
112
4.4
112
CD
1.35
o 1A7
o
133
x
BACK OF SET
®u2ar)
.7
®
NOTES: I.F.== 455 K.C. Power change switch (SWI) shown in battery operation position. In earlier models (L2) was fixed.
VOLTAGE DATA
1. Voltage readings circled (0) are for Battery Oper-
tion. 2. All reading made between Tube Socket Terminals
and Terminal No. 7 on the 117Z6 (Point (X) on Voltage Chart). 3. A.C. Voltages measured on a 117 Volt A.C. line. 4. Battery Voltages measured with a fresh battery. 5. Dial turned to low frequency end, no signal. 6. All Voltages measured with a 1000 ohm per volt meter.
CONDENSERS
Symbol
CI C2 C3 C4-Cl 1
Description
.05 Mfd. 200 Volt Paper .25 Mfd. 200 Volt Paper .00042 Mfd. Mica .00025 Mfd. Mica
Part No.
64B1-32 64B1-28 65B1.9 6505-22
CC150' ,CC6'1C2 9' } .01 Mfd. 400 Volt Paper 64B1-25
C7
.00005 Mfd. Mica
65B5 -II
C8
.000015 Mfd. Mica
6585-3
C13
.002 Mfd. 600 Volt Paper 64B1-9
C14a C14b Cl4c
50 Mfd. 150 Volt 1 30 Mfd. 150 Volt 1} 100 Mid. 25 Volt
Elect. Cond.
67C7-42
C15
.2 Mfd. 400 Volt Paper 64A2-1
C16
.05 Mfd. 400 Volt Paper 64B1-22
C17
Antenna Trimmer
66Al2-5
C18
Oscillator Trimmer (Part of Gang)
C19 { C19b }Condenser Gang
6804
RESISTORS
RI 100,000 Ohms V2 Watt Carbon R2 220,000 Ohms % Watt Carbon
R3 47,000 Ohms '/ Watt Carbon
R4, R5 4.7 Megohms 1/, Watt Carbon
60B8-104 60B8-224
60B8-473 6002-475
RESISTORS
Symbol
Description
R6 4.7 Megohms ¡z Watt Carbon
R7 3.3 Megohms '/ Watt Carbon
R8 50,000 Ohms Y Watt Carbon
R9 1 Megohm Volume Control
R10 15 Megohms V2 Watt Carbon RI1 1 Megohm %g Watt Carbon
R12 2.2 Megohms Y2 Watt Carbon
R13 22 Ohms Wire Wound 1/2 watt
R14 2,450 Ohms Wire Wound 5 watt R16 1,500 Ohms %q Watt Carbon
R17 560 Ohms'/ Watt Carbon
R18 220 Ohms % Watt Carbon
R19 120 Ohms 1/2 Watt Carbon
Part No.
60B2-475 60B2-335 60B8-503 75131-100 6082-156 6002-105 6002-225 61A2-2 61A3-5
60138-1.52 60B8-561 60B8-221 60B8-121
COILS & TRANSFORMERS
( Coil, Loop Loading,
L2
l)l
(fixed) (early) Coil, Loop Loading,
(variable) (late)
L3
j
l
Iron Coil,
Slug for Pl.-_te
plate
coil
L4 Oscillator Coil
L5 Choke Filter
Tl 1st I.F. Transformer
AA114
AA 115 71B1-3 70AI-30 69A7 74A5 72B9-2
COILS & TRANSFORMERS
Symbol
Description
Part No
T2 2nd I.F. Transformer T3 Transformer, Output
72010-2
(When ordering furnish all numbers appearing on both the speaker and the transformer.)
SW1
( Switch, Power Change (6E1) 77A6 ( Switch, Power Change (6EIN) 77A10
MISCELLANEOUS
Dial background Dial Cord, 12"
Dial Cord Tension Spring Dial Scale, Glass Escutcheon
Knob, Tuning Knob, Volume Plug, Battery (9 prong) Pointer, Tan Tenite Rubber liner for Dial Scale Speaker Grill
Speaker & Output Transformer Tube Shields
21A1ß-2 50M-3 19A1-2 23C11-1 23CII-2 33A14-4 33A14-3 88A3-3 25A14-2 23C11.3 36A4
78B8 87A8
©John F. Rider
www.americanradiohistory.com
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ADMIRAL PAGE 15-17 MODELS 6E1,6E1N
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©John F. Rider
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www.americanradiohistory.com
PAGE 15-18 ADMIRAL
MODEL M6
VEXTERNAL ANTENNA
65A7
I ST' DET.OSC.
ADMIRAL CORPORATION
65K7
I.F AMP.
65Q7
ZNODET.-A.V.0
GSK7
15T AUD.
GKG GT OUTPUT
No. Ohms
RI 2,000,000
R2
20.000
R3 10,000,000
R4
15,000
RS
70,000
R6
100,000
R7 1,000,000
R6 1,000,000
R9 1,000,000
zCB
RESISTORS
Watts
No.
V2
RIO
Va
R11
1/2
R12
1
R13
3/2
R14
1/2
R15
1/2
R16
Vj
R17
1/2
455 1.F
K. C.
CONDENSERS
Ohms
Watts
No.
20,000
V2
C1
500.000
V.C.
C2
1,000,000
1/2
C3
200,000
t/2
C4
50,000
t/2
500,000
1/2
C6
600,000
V2
C7
500,000
T.C.
CB
C9
R8 and C6 were used only on
Capacity (Mid.) .00025 .00025-5%
.00005 .05 .05 .05 .00025 .02
.01
early models.
Volts Mica Mica Mica 400 400
200 Mica 200
400
No.
C10 C11
C12 C13 C14 C15 C16a Cl 6b C16c
BOTTOM VIEW OF SOCKET
Capacity (Mid.)
.05 .00025
.1
.01 .002 .005 20.
20. 20.
Volts 400 Mica 400 400 400
400 25 350
350
Speaker (Part No. P5078) 10" Dyn. D.C. voice coil resistance....
3.7 ohms
VOLTAGE CHART
Field coil (hot)
1000 ohms All voltages measured with a 20,000 ohm per volt
B.C. and S.W. Oscillator Coil (Part No Looking at the mounting strip end in
P4804)
a clockwise
meter on the 300 volt scale. Line voltage 117 volts A.C. Volume control maximum and no signal tuned in. Power consumption 70 watts.
direction starting at the chassis, the terminals are:
Volts
No. 1, S.W. pri.; No. 2, B.C. pri.; other end, No. 3, B.C. tap; No. 4, S.W. pri.; No. 5, S.W. sec.; No. 6,
6SA7 TUBE
S.W. sec. tap; No. 7, S.W. and B.C. sec:
S.W. Primary-No. 4 and No. 1-
Plate (3) to ground Screen (4) to ground
270 105
Resistance
.2 ohm
S.W. Secondary-No. 7 and No. 5-
6SK7 (LF.) TUBE
Resistance
.11 ohm
3- B.C. Primary-No. 2 and No. Resistance
Plate (8) to ground .3 ohm Screen (6) to ground
270 105
7- B.C. Secondary-No. 3 and No. Resistance
3.7 ohms 6SK7 (A.F.) TUBE
First LF. Transformer (Part No. P-4108) Primary-Blue, plate; red, B+
Plate (8) to ground Screen i6) to ground
64 23
Resistance
18.2 ohms
Secondary-White, grid; black, AVC
6K6GT TUBE
Resistance
15.1 ohms Plate (3) to ground
270
Second LF. Transformer (Part No. P-4858) Primary-Blue, plate; red, B+
Screen (4) to ground Cathode (8) to ground
245
19
Resistance
20.8 ohms
Secondary-White, diode; other end inside can 6X5GT TUBE
Resistance
17.4 ohms Filament (8) to ground
340
©John F. Rider
www.americanradiohistory.com
schematicsll
ADMIRAL CORPORATION
ADMIRAL PAGE 15-19
MODEL M6
G 6425
III
P-4728
(
1 ST. DET.-OSC.
6SA7
5W. P-4801
o
P-4609 Cl
R1
R3
P-4802
BAND -SWITCH SHOWN AT 1ST POSITION. BROADCAST BAND
AVC
G3
sw¢
P-4801'
P4804
GANGED
C2
\ \ / P-4728 U
P4108
R4
R6
Bt
1 ST. DET.-OSC.
6SA7
R1
Cl
R3
AVC
G3 P-4804
P4108 C4
GANGED
BAND- SWITCH SHOWN
AT 2ND POSITION. SHORT WAVE BAND
C2
P-4728 946o9
\ / Sw V -46C1
R4 R6 St
C5
©John F. Rider
www.americanradiohistory.com
PAGE 15-20 ADMIRAL
MODEL M6
ADMIRAL CORPORATION
ALIGNMENT DATA
made with the volume control in the maximum
e
position, to prevent the AVC from operating and giving false readings.
e
GOOCLA,(/T(P
e
I.F. ALIGNMENT
Adjust the signal generator to 455 KC and connect
e
6SA7
o-
e
® ,.,..
the output to the grid of the first detector tube (6SA7)
through a .05 or .1 mfd. condenser. Align all I. F. trimmers to peak or maximum reading on the output
Olt o
meter.
Fig. 2-Top View of Chassis
All of the adjustments have been very carefully set with signal generators at the factory and require no further adjustment, unless it becomes necessary to replace a coil or transformer, or if the adjustments have been tampered with in the field. Under no circumstances attempt any adjustments without first making certain that adjustment is necessary and only after voltages, tubes and condensers have been checked and found to be normal.
a
The alignment of this receiver requires the use signal generator that will cover the frequencies
of of
455, 1400, 1630 and 9500 kc., and an output meter
to be connected across the primary or secondary
of the output transformer. All alignments should be
B.C. AND S.W. BAND ALIGNMENT
Disconnect loop leads and set the band switch to the broadcast position. Adjust signal generator to 1630 K.C. and connect thru a .0002 mfd. mica condenser to the green loop lead. Set the gang condenser to minimum capacity and adjust the B.C. oscillator trimmer (see fig. 2) to receive this signal. Set the band switch to the short wave position, adjust the signal generator to exactly 9,500 K.C. and connect thru a 400 ohm resistor to the green loop lead. Set the dial pointer at 9.5 megacycles and carefully peak S.W. oscillator trimmer and then peak S.W. antenna trimmer. Re-install chassis in cabinet and connect loop leads. Set the band switch to the broadcast position. Adjust the signal generator to 1400 K.C. and connect the output to a shielded loop radiator and place this loop about two feet from the loop antenna. If no loop radiator is available the output of the signal generator should be connected to the green loop lead thru a .0002 mfd. mica condenser. Tune signal and carefully peak the B.C. antenna trimmer.
PAPER CONDENSERS
P904 .002 mfd. 600 volt P1322 .005 mfd. 600 volt P164 .01 mfd. 400 volt P393 .02 mfd. 200 volt P148 .05 mfd. 200 volt P334 .05 mfd. 400 volt P276 .1 mfd. 400 volt
MICA CONDENSERS
P1382 .00005 mid P817 .00025 mfd P4806 .00025 mid. 5%
ELECTROLYTIC CONDENSERS
P4I30
20 mfd. 25 volt ) 20 mfd. 350 volt }
20 mfd. 350 volt)
VARIABLE CONDENSERS
P4728 Gans condenser P4609 Trimmer condenser
P3800 P3821 P4807 P3844
P.<853
P?964
RESISTORS
100 ohm Ife watt 600 ohm ?/z watt 15,000 ohm 1 watt 20,000 ohm 1/2 watt 50.000 ohm Ife watt
200,000 ohm 1 watt
P3876 P3882 P3883 P3889
// 500,000 ohm t/z watt
1,000,000 ohm watt 2,000.000 ohm watt 10,000,000 ohm 1/2 watt
VARIABLE RESISTORS
P4089 Volume control and switch..
P4729 Tone control
RC4010 Record changer mounting spring
RC7017 Record changer mounting screw
RC6008 Needle RC3020 Center post RC50 Record changer (60 cycle) RC51 Record changer (50 cycle) P3948 Chassis mounting
screw
TRANSFORMERS AND COILS
G6925 P4802 P4804 P4108 P4858 P3926 P4512 P4513
B.C. antenna coil S.W. antenna coil B.C. and S.W. oscillator coil 1st I.F. transformer 2nd I.F. transformer
Filter choke ...
Power transformer (60 cycle). Power transformer (50 cycle)
MISCELLANEOUS
P3005 P945 P4138 P4404 P929 P3557
Tube socket Speaker socket Electrolytic mounting base Phono jack Line cord -Une cord clamp
P4800
P4179 P1399
P1587
P2925
P4205 P4197 P1713 P4248 P4801 P4805
P4784 P4542
Dial background Pointer; order by name
and model number Drive shaft Horseshoe washer
(for drive shaft) Spring washer
(for drive shaft) Takeup spring Knobs; order by name
and model number Band switch lever Pilot light socket Pilot light bulb Pilot light reflector Band switch 10" PM speaker and output
transformer Phono cable Phono motor AC cord
©John F. Rider
www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-21
MODEL AM6
6L6
l.F. PEAK 456K.C.
SWITCH IN SHORT WAVE POSITION
-CONDENSER S-
C, - .000/ NFD.
C,- .00U2
C,- .00/
GCr--
002 .00275
5%
c,- C. - . S
/ .
C.- .02
C.- .O5
-Ch-5
- -/PE S/STORS
R, R,-
/00 250
1a
/4-
500 /000
P,- 4000
RRi,-
7000 80q0
R.- /2000
R.- 15000
RRw--
25000 50000
R- /Pr- »D000
Rµ
-
SD0000 /000000
5;,-- 2000000
F.C. C[YPO
L \
2NOIF
/ST IF
PEAK 456 K.C.
j 6K7 1 \
PEAK /7S K.C. PEAK 600 K.C. PEAK /600 K.0
LQNGWAVE PADQER
BRDROCASr ~OCR-
POLICE K990DER
PEAK 360 K.C. PEAK M00 K.0 PEAK 4000 K. C.
LONiWAVE OSC. TRIMMER SROMCAST oJC. TRIMMER -
POL/CE OSC TRPIPCR
SECTKY44. mrrnM NI -w
SHORTWAVE
ANT TR/MMER PEAK /6000 K.C. SHORTWAVE R. F. TRIMMER PEAS' n5000 Kr.
SNoRTWAVE OSC. TRIMMER PEAK /60oO K. C,
PEAK 350 KC.
t PEAK /400 K.C. PE RA- 4000 K. C.
LOYYiWAVE RF. TIM4ICR 61PDROCAST RF. TRMMCR
POLICE R.F. TR/MAW-h.
PEAK( 350 K.C. LONG WAVE ANT. TRIMMER
PEAK /4o0K.C. BicWOCAST ANT. TRIMMER PERK 4ó0o K. C. POLICE ANT TRIMMER
COL TNROL
CONTROL
STAT/ON SELECTOR
BSnAWNIOTCH
©John F. Rider
For Clarified Schematics,see Pp.15-2 and 15-3
www.americanradiohistory.com
PAGE 15-22 ADMIRAL
MODEL 7K
ADMIRAL CORPORATION
6AIG
CONVERTER
6lK G I.F. AMP.
6G7G
138 7- 111 Aldo
C/(L
25t6
POWER-owAvr
I \
tPa -ÌÌe --- II O(G.
i C7p
23ZtQ
R(C71F/ER
2326G
RaCTIFIER
R
rem.v w
6Q Ta
6PCS1
IIAiO
CAPACITORS
e!
CCJI
Ctlaa ..G0J002
l4C040Lií
Pe C.4
eC l
Mida. 20.o
CO .03
CD .04
C4
01
4400 0
C10 .0003
CI 01
CC s
003
600 CIa .006
.00005 MICA C13 20.0
C7 20.0
150 .C14 .001
_/t8e0al
400 MICA 200 80o 15 100
e/E
0476 251.6 2324e4I 21Z64
Ra
RESISTORS liR2
iaºM0M0,0f = MEG.
jR'Tr2
/l+t
Ni NMa
wT MEG RO 50, 000
yg4Zi r4
41314.isy MME[6G..
R6 230.000.
4h VOL .CONY
w8
RIO
Ru
5°
4a 500.000
7
7 TONr
C.
06
130
Ya
E/2 /000
%
40. iJ tee C %
R r
t.F. - 433 K .
C!
SCHEMATIC L /AGRAH
MODEL 71(
SERVICE INFORMATION
Speaker (Part No. P3284) Field resistance D.C. voice coil resistance Voice coil impedance at 400 cycles
..._450 ohms 4.6 ohms 5 ohms
Oscillator Coil (Part No. P3682) Looking at the connection end (with dot) in a clockwise direction starting at the chassis the terminals are No. 1, grid; Primary-No. 2 and No. 3-Resistance 1.5 ohms. Secondary-No. 4 and No. 1-Resistance 4.5 ohms.
First I.F. Transformer (Part No. P3282) Primary-Blue white, plate; red white B+-Resistance 24.2
ohms.
Secondary-White, grid; black white, AVC-Resistance 23.6
ohms.
Second I.F. Transformer (Part No. P3283)
Primary-Blue white, plate ; red white, B -F--Resistance 11.9
ohms.
Secondary-White, grid; black white, AVC-Resistance 16.9
ohms.
Electrolytic Condenser (Part No. P3531) Red, 20 mfd., 150 volt; green, 20 mfd., 150 volt; yellow, 20 mfd., 25 volt; black, negative for all three sections.
Loop Antenna Since the loop antenna acts also as the antenna coil the set will not operate with the loop antenna disconnected.
VOLTAGES AT SOCKETS
6P50
J-ír
rasV.Aai -i
C)
dA08
CONVERTER
-4.sVA.0 +aK--
IJ7V.-- -+
36
96v
v. -
6K 76 I F
o --
.-11732A.C-,
1-4.3VAC' 2526G
RECTIFIER
. M
6Q76
221.1DET
19VdC.2
,-IIB3V.A6--- ^ r----23 V
6.7V
25L6G OUTPUT 87V
V >i'
1 ,
L_ - -o-0---
25266 rI/73vA4
PECrIFIER
r--xy
t Q
,SVa q °4`' 'Ai"' i A
, i
I i
Bottom View of Chassis
©John F. Rider
www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-23
MODEL 7K
ALIGNMENT
Volume control-Maximum all adjustments.
Connect tor with
radio chassis to ground a short heavy lead.
post
of
signal
genera-
Connect dummy antenna ator output lead,
value
in
series
with
gener-
Connect former.
output
meter
across
primary
of
output
trans-
Allow chassis and several minutes.
signal
generator
to
"heat
up"
for
PROCEDURE
The following equipment is required for aligning:
An all wave signal generator which will provide an accurately calibrated signal at the test frequencies as listed. Output indicating meter. Non-metallic screwdriver, Dummy antennas-.1 mfd., 200 mmf.
BAND I. F
SIGNAL GENERATOR
Frequency Dummy
Bettina
Antenna
455 KC. .1 MFD.
455 KC. .1 MFD,
Connection to Radio
Variable
Trimmers Adjusted
Condenser Betting (In Order Bbewa)
Trimmer Function
Grid of
Rotor full open Two trimmers on top Output
6K7G I.F. tube (Plates out of mesh) (See Fig. 2)
I.F.
topInput Grid
6A8G
toufbe(PlaRteostorouftullofompeensh)
Two trimmers on
(See Fig.2)
I.F.
AdJoanne**
Adjust to
raoutput m Adjust to maximum
output
BROAD- 1730 KC. 200 mmf.
Antenna lead
Rotor full (Plates out of
open mesh)
Trimmer-Top
Left section of (See Fig. 2)
of gang
Oscillator
Adjust to maximum
output
CAST
1400 KC. 200 mmf,
Antenna lead
Set dial at 1400 KC.
Trimmer-Top of
Right section of gang Antenna (See Fig. 2)
Adjust to maximum
output
pbatphnelleeaAnTdttteehtltedsbiepsv,enloenauirlfsdteiaenpttsagheet,lhlaeesottehtfghftpte-haalatnaesthctgietegipissonhrsnaoainligcvneenoetfcdaforeolubstmtershgheeaeeenrtnayhAsepebVrofeaaosCnstirioftt.giirotnnAohnaaauefllnttefcdagorohlerfierngeecmnesackhrcme.aaahixvetpioneembrrt.auntItmuodonnplic6eosr0aseu0sscvteopeKtmuhnoCtet-f.
FREQUENCY RANGE
540 to 1630 KC
Power output 1 watt undistorted-1.7 watts
Intermediate Frequency 455 KC.
Power Consumption-50 watts.
maximum.
REPLACEMENT PARTS LIST
P3203 P1322 P334 P148 P164
PAPER CONDENSERS
C14 CS, Cl2 C9 C11 Cl, C3, C4
.031 mfd. 600 volt .005 mfd, 600 volt .05 mfd. 400 volt .05 mfd. 200 volt .01 mfd. 400 volt
P2294 Pulley for Dial Bracket P2325 Dial Takeup Spring P3525 Dial Background P2965 Dial Pointer P470 Grid Clip
P1713 Pilot Light Bulb
MICA CONDENSERS
P3681 Pilot Light Socket
P817 P1382 P336
P3531
C2
.00325 mfd.
C6
.00005 mfd.
CIO
OOGS infd.
ELECTROLYTIC CONDENSERS
C7 C8, & C13
20 mfd. 150 volt 20 mfd. 150 volt
20 mfd. 25 volt
VARIABLE CONDENSERS
G6081 Loop Antenna Assembly p3284 Speaker P3038 Rubber Speaker Ring P3076 Call Letter 'Zheet
P3073 Push Button
P3078 Felt Washer (For Push Buttons) P3644 Tuning Knob
P3358 Volume or Tone Knob P3684 Escutcheon
P3522
P3444 R9 P3277 RIO P3803 R6 P3828 RI2 P3841 RI P3853 R8 P3868 R5 P3876 R7 P3883 R2 P3886 R4 P3891 R13
Gang Condenser and Tuner... RESISTORS
P3089 Dial Clip
P3090
p35
Escutcheon Screw Dial Scale
30 ohm 7 watt
P3635 Pressed Paper Back ..
42 ohm 7 watt
150 ohm Vi watt 10% 1,000 ohm Vi watt 10.000 ohm TA watt 50,000 ohm 34 watt 250,000 ohm Vi watt 500,000 ohm 34,watt
_
2,000,000 ohm r4 watt..._ 5,000,000 ohm 34 watt ........ 15,000.000 ohm VI watt _ VARIABLE RESISTORS
P3673 Chassis Mounting Screw
(
- - - Tel CON_TA0O.,STATION srcecrow eurroNs
IT IT IT
ON I OFF 31N/r01 a voc. coNrooc
I-e /F
TM 'AI MtIf$
P3527 R3 P3528 RI1
Volume Control and Switch
o
Tone Control
g
6X76
^^ Ï... 6 we
13L6G
P3682 P3282 P3283 P3278
TRANSFORMERS AND COILS
Oscillator Coil 1st I. F. Transformer 2nd I. F. Transformer Output Transformer
1q70
I v 6,I84
I u
TRíní+ewa
23Z60
i
©John F. Rider
www.americanradiohistory.com
PAGE 15-24 ADMIRAL
MODEL 7KS
ADMIRAL CORPORATION
6.480
CONVERTER
6K70
Z. F. AMP.
60 76
OET.-IOJAVC.
25L60
POWER-OUTPUT
CI
1T
Ìó -#
C/O
i +0-
Rº
6P56
0.50.
C3 0A40 COICOCNslR
/.r
RT C4
C14
*e`
as
malc
ß3Z60
RECTIP/ER
25260
RiOTIP/ER
A6076
/\6P9G
/\ /rr c/1
6456 61(76
25L616 25266 25266
CM
R/2
CAPACITORS N2 2...112_ª_
tl .002
VOLTS
600
N!
CIO
M I1
.0022
V
7.5%
LnTrS4
NA!l
C2 05
400 C II .00062 WR. oAO. R2
C! 01
400 C12 .005 GOO R3
C4 .00025 MICA C 17 .0000.1 /Imo
R4
CS 01
400 C 14 25.0
/?O
R5
C6 005
600 C13 21.0
/JO
C7 0005 C6 C/ C9 .005
MICA
400 600
C IQ .(AS
400
C/7 20.0
2.t
C.,B .00005
R7
VOLTAGES AT SOCKETS
6P5G
OSC
6.480 CONVERTER
-47V.-------
. -6.3VA.0
98V -L-4 7V
96V
o
-1173 VAC:
o
6.3VA C 25Z6G
RECTIFIER,
o}-^
6Q 76 1 +a DET
25vAC.
,-I175VAC----
25V
-0
o
,25L6G OUTPUT
67V
o o
.75266 ,1175vAC-
RECTIFIER ;
20V
AC
vée
q iV
q
4
,
:
'25VAC'
I175VAC
i
Bottom View of Chassis
RES/STOR3
ONMI
//oJ /MfcO.
WATTS
A
NS O/6N0Iá
RD fj/%iv.
2Ncc. J1//4c. 5/fcc.
A KA C
RAIOil ./4O10AA'' R I2 42
4/Yee
P/9 30
A
144773
A
y/Lí
7 7
.SWITCN/E$ /N fR040CAST POú1710N
S. F. 465 N. O.
Speaker (Part No. P3638) Field resistance D.C. voice coil resistance Voice coil impedance at 400 cycles
300 ohms 4.6 ohms 5 ohms
Antenna Coil (Part No. G5960). Looking at the connection end starting at the mounting strip in a clockwise direction the terminals are: No. 1. (not used); No. 2, AVC; No. 3, grid; No. 4, antenna; No. 5, ground (grounded directly to mounting strip). Primary-No. 4 and No. 5-Resistance 26 ohms. Secondary-No. 2 and No. 3-Resistance 2 ohms.
Short Wave Antenna Coil (Part No. P3702) Looking at the connection end starting at the mounting strip in a clockwise direction the terminals are: No. 1, grid; No. 2, ant.; No. 3, ground ; No. 4 (on other end), AVC. Primary-No. 2 and No. 3-Resistance .03 ohm Secondary-No. 1 and No. 4-Resistance .1 ohm
Oscillator Coil (Part No. P3700) Looking at the end with mounting strip, starting at the mounting strip in a clockwise direction the terminals are : No. 1, padder : No. 2, P-1- : No. 3, (not used) ; No. 4, switch ; No. 5, plate: No. 6. grid. Primary-No. 2 and No. 5-Resistance .85 ohm Short Wave Secondary-No. 4 and No. 6-Resistance .07 ohm Broadcast Secondary-No. 1 and No. 4-Resistance 5.1 ohms.
First I.F. Transformer (Part No. P3282) Primary-Blue, white, plate; red white B+-Resistance 242
ohms.
Secondary-White. grid; black white, AVC-Resistance 23.6
ohms.
Second I.F. Transformer (Part No. P32&3) Primary-Blue white, plate; red white, B+-Resistance 11.9
ohms.
Secondary-White, grid; black white, AVC-Resistance 16.9
ohms.
Electrolytic Condenser (Part No. P3531) Red, 20 mfd.. 150 volt ; green. 20 mfd., 150 volt ; yellow, 20 mfd., 25 volt; black, negative for all three sections.
©John F. Rider
www.americanradiohistory.com
IN
defiteinatictiff
ADMIRAL PAGE 15-25
ADMIRAL CORPORATION
Cl
CONVERTER
MODEL 7KS
6 A8G
bi OSC.
6P5G
MO
BAND -SWITCH SHOWN AT 1 ST POSITION.
BROADCAST BAND
CONVERTER
6A8G
Bt
©John F. Rider
BAND -SWITCH SHOWN AT 2ND POSITION
SHORT WAVE BAND
www.americanradiohistory.com
PAGE 15-26 ADMIRAL
MODEL 7KS
ADMIRAL CORPORATION
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ADMIRAL CORPORATION
ADMIRAL PAGE 15-27
MODEL 10A1
©John F. Rider
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www.americanradiohistory.com
PAGE 15-28 ADMIRAL
xxcliGvipeci schemalicsfl
ADMIRAL CORPORATION
SW .I FRONT A
SW .I R3 REAR
CH I
SW.I
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5W. 5
el DEP.
BAND -SWITCH SHOWN AT 1ST POSITION.
PUSH BUTTON TUNING
(BUTTON *I DEPRESSED)
795-1600 KC.
L11
SW.1 FRONT
GANGED
S W.1
R3 IREAR
C 31
B+
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE.
BROADCAST BAND 540 -1600 KC.
SW 3
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©John F. Rider
www.americanradiohistory.com
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ADMIRAL CORPORATION
ADMRIAL PAGE 15-29
MCD EL 10A1
.5WFFt
} ON-cH C2
iR5
3W2
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BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE .
SHORT WAVE BAND
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SHORT WAVE BAND
25 TO 31 METERS
GANGED;.
C15
L4
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FRONT
L5
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AVC
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BAND -SWITCH SHOWN AT 5TH POSITION CLOCKWISE .
SHORT WAVE BAND
16 TO 19 METERS
5W3 GANGED --FRONT
©John F. Rider
www.americanradiohistory.com
PAGE 15-30 ADMIRAL
MODEL 10A1
ADMIRAL CORPORATION
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www.americanradiohistory.com
ADMIRAL CORPORATION
ADMIRAL PAGE 15-31
MODEL 10A1
REPLACEMENT PARTS
RESISTORS
Symbol
Description
Part Number
RI
10,000 Ohms, I Watt
R2
47(1,000 Ohms, y, Watt
R3
47,000 Ohms, y., Watt
R4
470,000 Ohms, V, Watt.
RS
8,200 Ohms, 1 Watt
R6
10,000 Ohms, 5 Watt
R8
22,000 Ohms, 1/2 Watt
R9
100 Ohms, 1/2 Watt
RIO
1,500 Ohms, '/2 Watt
RI1
1,500 Ohms, 1/2 Watt
R12
470 Ohms, 1/2 Watt
R13
1,000 Ohms, 1/2 Watt
R14
470,000 Ohms, 1/2 Watt
R15
47,000 Ohms, 1/2 Watt
R16
270,000 Ohms, 1/2 Watt
R17
1.0 Megohm, 1/2 Watt
RIB
270,000 Ohms, 1/2 Watt
R19
1,000 Ohms, %2 Watt
R20
270,000 Ohms, 1/2 Watt
R21
470,000 Ohms, 1/2 Watt
R22
470,000 Ohms, 1/2 Watt
R23
470,000 Ohms, 1/2 Watt
R24
270 Ohms, 2 Watt
R25
47,000 Ohms, 1/2 Watt
R26
100,000 Ohms, %2 Watt
R27
150,000 Ohms, 1/2 Watt
R28
1 Megohm Volume Control
R29
1 Megohm, %, Watt
R30
I Megohm, 1/2 Watt
Symbol
Cl C2
C3 C4 C5 C6 C7
CB C9 CIO C11
C12 C13 C14 C15 C16 C17 C18 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30a C30b C30c
C31 C32 C33
CONDENSERS
Description 20 mmfd. Mica 200 mmfd. Mica 35 mmfd. Silver Mica 390 mmfd. Silver Mica 250 mmfd. Silver Mica 65 mmfd. Silver Mica 40 mrtofd. Silver Mica
140 mtfd. Silver Mica
1000 mmfd. Mica 200 mmfd. Silver Mica 15 mmfd. Silver Mica 60 mmfd. Silver Mica .1 mfd. 400 Volts 50 mmfd. Mica 50 mmfd. Mica 250 mmfd. Mica .05 mfd. 200 Volts 20 mmfd. Mica .1 mfd. 400 Volts 50 mmfd. Mica 50 mmfd. Mica .002 mfd. 600 Volts 500 mmfd. Mica .005 mfd. 600 Volts .005 mfd. 600 Volts .005 mfd. 600 Volts .005 mfd. 600 Volts 250 mmfd. Mica 30 mfd. 350 Volts 30 mfd. 350 Volts Electrolytic 20 mfd. 25 Volts 3-40 mmfd. 3-40 mmfd. Trimmer 3-40 mtnfd.
60B14-103 LI
60B8-474
L2
60B8-473
L3
6088-474
L4
60B14-822 L5
61A1-3
L6
Coil, Tuning (Antenna B.C.) Coil, Tuning (B.C., R.F.) Coil, Tuning (B.C., Oscillator) Coil, Tuning (S.W., R.F.) Coil, Tuning (S.W., Oscillator)
AC105-2
AB10O.1 AC101-2 AD102-2 AD102-4
60B8-223
L7
60B8-101
L8
Coils, Push Button. Tuning
AB100-4
60B8-152
L9
60B8-152
L10
60B8-471 60B8-102 60B8-474
60118-473
60B8-274 60B8-105 60B8-274
L11 TI T2 T3
T4 T5
Loop (B.C. Antenna) Transformer, 1st I.F Transformer, 2nd I.F Transformer, 3rd I.F Transformer, Power Transformer, Output
AC112
72B7 72812 72B8 8082 79A1
60138-102
60B8-274 60B8-474
SWITCHES, PLUGS & SOCKETS
60B8-474 60B8-474
60B20-271
60B8-473 6068-104 6088-154 75B3-3
60B8-105 60B8-105
SW1
SW2 SW3 SW4
Sw5 SW6 SI Pl
S2
Switch, Antenna Circuit Switch, R.F. Circuit Switch, Oscillator Circut Switch, Phono Radio Switch in Station Selector Unit Switch in Tone Control Unit Socket, Station Selector Unit Plug, Station Selector Unit Socket, Tone Control Unit
7686-2 76B6-4
76B6-3
76A3 7685 76B4 87A4-1 88A3-1 87A4-1
P2
Plug, Tone Control Unit
88A3 -I
S3
Sewket, Speaker
87A6-1
P3 Part Number S4
Plug, Speaker Socket, Phono Connector
98A2 88A1
65B7-5
S5
Phono Motor Cord & Socket
89A6-9
65B7-21
65B1-30 65B1-34
CABINET & SLIDE-A-WAY PARTS
65B1-35 65B1-27 6581-36 65BI-26 65B7-33 6581-14 6565-3
65135-13 6481-20 65B5-11 6585-11
65135-22 64111-32 6585-5
64111-20 65B5-11
65115-11
Left Door Bracket
Right Door Bracket
Slide Rail .....-
Bracket Stop
Hub, Door Bracket
Roller Door Bracket
Hub, Slide Roller (Slide-A-Way)
Roller, Slide (bSlide-A-Way)
Bracket Assembly (Slide -A-Way)
Switch & Cover (Slide-A-Way)
Alden
Esucutcheon,
2C0o"veLreaPdsla(tS(leidfet-)A-Way)
Escutcheon, Cover Plate (right)
Escutcheon, Dial Mounting Escutcheon, Lower Rail Escutcheon, Switch (Slide-A-Way)
15B70-1 15870-2 15A71 15A72 27A13 27A14 27A11 27Al2 G400C42 77B1-44 .89A6-18
23114-1
23114-2 23C3 23B5-2 401A67
.64B1-14
65B5-27 64B1-12
64111-12
PHONOGRAPH PARTS
See Record Changer Service Manual for Detailed List
64B1-12 6461-12 .6585-22
67C6-25
Centerpost Crys Cartridge
Wheel(407B3 Motor Idler Wheel (407112 Motor) Idler Wheel (407B1 Motor) Plug, Phonograph Output
1 12-2
409AIdler
G400A23 G400A59 G400A57 88A2-1
.66Al2-5
MISCELLANEOUS
C34a C34b C.34c C35a C35b C35c C36 C37 CM C39 C40 C41 C421 C43 I( C44 C45 f C46
Symbol CHI C112 C113 CH4 CH5
3-40 mmfd. 3-40 mmfd. Trimmer 3-40 mmfd. 3-40 mmfd. 1 3-40 mmfd. )} Trimmer 3-40 mmfd. .002 mfd., 600 Volts .001 mfd., 600 Volts .005 mfd., 600 Volts .01 mfd., 400 Volts .005 mfd., 600 Volts 12-170 mmfd. Trimmer
6688-3
6688-3
64B1-14 64B1-15 64B1-12 6461-25 6481-12 66Al2-1
Bulbe, Pilot Light, Mazda No. 47 Dial Cord, 100 inches Dial, Scale Glass Drum, Band Indicator Drum, Dial Tuning Knobs (Walnut) Letter, Call Push Button Plug, Coil Mounting Pointer, Dial Push Button, Numbers 1 and 5 Push Button, Numbers 2 and 4 Push Button, Number 3
25-290 mmfd. Trimmer 40-400 nuufd. Trimmer .002-600 volts.
66Al2-2 66Al2-3 64131-14
When Ordering Slugs Specify Slug, Tuning (B.C., R.F.) B.C., Osc.) Slug, Tuning (B.C. Antenna) Slug, Tuning (S.W., R.F.) (S.W., Osc.) Slug, Push Button Unit Socket, Pilot Light
CHOKES, COILS & TRANSFORMERS
Speaker, 10^ Dynamic Spring, Hairpin for mounting coils
Description
Part Number
Stud, Tube,
Slug Pilot
Adjusting Light Cover
Choke, Antenna
AB103r6
Choke, R.F. S.W
AB103-31
Choke, Oscillator, S. W
AB103-31
Choke, Oscillator, Cathode
AB103-1
Choke, Oscillator. 49 Meter Shunt
AB103-5
Color
Code
ß1A1-8 50A1-3 21C21 A1200 A1194 33Al2-1 42A1 32A3-1 25A6-1 33116-1 33B6-2 33B6-3
71B1-3 71B1-13 71B1-9 71B1-14 82A2-1 78612 I9A3-1 27A4 82A5-1
©John F. Rider
www.americanradiohistory.com
PAGE 15-32 ADMIRAL
MODEL A77
GJK7 RF
ADMIRAL CORPORATION
GSA7 I31DET-05C.
G5! Cf7
6507
G3r7
teROrr AC. I3T AUD.
G CGG OUTPUT Cis
L
BAND 3101/7CH 4
3
5
REAR VIEW
No.
Ohms
RI
500,000
R2
2,500
R3
100,000
R4
25,000
R5
5,000,000
R6
100
R7
15,000
R8
50,000
RS
1,000,000
R10
500,000
if 455 C.C.
RESISTORS
Watts
No.
1/4
R11
4122
R12 R13 R14
1/4
R15
1/4
R16
2
R17
1/4
RIB
1/4
R19
T.C.
P1193 P1322 P164 P148 P334 P1789
PAPER CONDENSERS .002 mfd. 600 volt .005 mfd. 600 volt .01 mfd. 400 volt .05 mid. 200 volt .05 mid. 400 volt .25 mid. 400 volt
P1382 P3640 P480 P817 P2565
MICA CONDENSERS .00005 mfd. .00006 mfd. 5% .0001 mid.
.00025 mfd. .003 mid. 5%
ELECTROLYTIC CONDENSERS
r 20 mfd. 25 volt
P4264 . 30 mfd. 350 volt t 30 mfd. 350 volt
P4191 P3734 P3299 P3173
VARIABLE CONDENSERS
Gang condenser Trimmer condenser Trimmer condenser Padding condenser
P3800 P3821 P3832 P3843 P1944 P3845 P3853 P3860 P3868 P3876 P3882 P3883 P3886
P4089 P4193
RESISTORS
100 ohm 1/2 watt
600 ohm 1/2 watt
2,500 ohm 1/2 watt
15,000 ohm t/z watt
15,000 ohm 2 watt
25.000 ohm 1/ watt
50,000 ohm 1/2 watt
100,000 ohm 1/2 watt
250,000 500,000
ohm ohm
11 /
watt watt
1,000,000 ohm 1/2 watt
1 2,000,000 ohm 1/2 watt
5,000,000 ohm watt
VARIABLE RESISTORS
Volume control and switch
Tone control
®John F. Rider
5Y30
RECTIFIER
r1 rCo C
PSI Vl V 80770M VIEW
OF SOCKET
Ohms
Watts
15,000
1/4
2,000,000
1/4
2,000,000
1/4
500,000
V.C.
2,000,000 250,000
41/4
50,000
3/4
500,000
I/4
600-10y. jfj
CONDENSERS
No. Capacity (Mid.) Volts
Cl
.0001
Mica
C2
.05
400
C3
.0001
Mica
C4
.00006-5x Mica
C5 C6
.0001 .003
-5%
Mica Mica
C7
.05
200
C8
.00005
Mica
CS
.0001
Mica
C10
.002
600
No.
C11
C12 C13
C14
C15 C16 C17 C18a
Cl8b Cl 8c
Capacity (Mid.)
.05 .05 .25 .00025
.01 .25 .002 20.
30. 30.
Volti 200 200
400 Mica 400 400 600
25
350
350
TRANSFORMERS AND COILS
G6252 Loop antenna assembly P3198 S. W. antenna coil P4194 B. C. and S. W. oscillator coil G6185 Wave trap coil P4108 1st I.F. transformer P4109 2nd I.F. transformer G6186 Short wave choke P3926 Iron core filter choke P4265 Power transformer
MISCELLANEOUS
P4186 Push button shaft P4114 Call letter tab sheet P4192 Band switch P4283 Speaker and output trans-
former
P4I96 G6181 P4091
P2325 P4105 P9185 P4197 P1713 P4248 P4101 P1399
P3375 P945 P4138
Dial pointer Pointer shaft and pulley Horseshoe washer (pointer
shaft)
Take up spring (pointer) Fibre pulley Dial background
Pilot light socket
Pilot light bulb Pilot light reflector
Drive shaft Horseshoe washer (drive
shaft) Takeup serina (drive) Speaker socket Electrolytic mounting base
All voltages measured with a 1,000 ohm per volt meter on the 300 volt scale. Line voltage 117 volts A.C. Volume control maximum and no signal tuned in. Power consumption 60 watts.
6SK7 (RF) TUBE
Volts
Plate (8) to ground
208
Screen (6) to ground
93
6SA7 TUBE
Plate (3) to ground
255
Screen (4) to ground
93
6SK7 (IF) TUBE
Plate (8) to ground
255
Screen (6) to ground
93
6SK7 (AF) TUBE
Plate (8) to ground
20
Screen (6) to ground
10
6K6G TUBE
Plate (3) to grouñd
240
Screen (4) to ground
258
Cathode (8) to ground
18
5Y3G TUBE
Filament (8) to ground
266
www.americanradiohistory.com
xxcla444:ed dchemQ/jC'.4. rr
ADMIRAL CORPORATION
ADMIRAL PAGE 15-33
MODEL A77
1 ST. DET.-OSC.
65A7
GANGED
BAND- SWITCH SHOWN AT 1ST POSITION
BROADCAST BAND
1ST DET.-OSC.
65A7
R. F.
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ELECTROLYTIC CE -4
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6 CAPACITOR DOMINO
CM -11
PADDER CONDENSER
CT -4
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3 GANG VARIABLE COND. CV -3
2 RESIVOR
RM -2
RW-9
RW-I9
RM -19
RW-12
RW-IS
2
RW-14
100011 330011. 10,000 1L
15,000 n.
20,00011 47,00011. 100,000 2I 0,000 240,000 470,000 1/2 WATT
10 H 350 OHM DC 81,10 WAT T ißl4 7 12 SK7 12 SA7 OS K7 6SQ7 SOLOGT 6J5 25Z SGT
1.0 MEGOHM
© John F. Rider
2
2 RESISTOR LOOP ANTENNA FILTER REACTOR DYNAMIC SPEAKER
2 PILOT LIGHTS TUBE
2
2 TUBE
RM -9 RM -IS
RM -13 RM -23 RM -7
RM -6 RM -5
RM -4
RM -3 RM -28
LP -8
LII
QS- 4
IL -2
V-15
V-17
V-5 V-7
V-18 V-3
V-2
POWER OUTLET VOLUME CONTROL SWITCH
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2. ALL CAPACITORS ARE MARKED IN MICROFARADS.
3. IN SERIAL NO'S. 3701 THRU 4700 THE VOLUME CONTROL, NORMALLY
A I MEGOHM POTENTIOMETER. IS .5 MEGOHM AND THE 470,0001E 1/2 W
RESISTOR ACROSS THE PHONO JACK TO BUS IS MEGOHM 1/2 W.
scia
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PHONO INPUT JACK
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I.E. TRANS. W/TRIMMER Y.F. TRANS. W/TRIMMER
BROADCAST OSC. COIL SHORTWAVE OSC. COIL BROADCAST R.F. COIL SHORTWAVE R.F. COIL SHORTWAVE R.F COIL
RP- 8
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ANSLEY RADIO CORP.
ANSLEY PAGE 15-3 MODEL 32
LOOP
PRI. LA4
R.F. AMP. 125K7
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BROADCAST BAND
58.2
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NOTE: BAND SWITCH 15T POSITION (PHONO)
DRAWING NOT SHOWN.
II
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o 55-2
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©John F. Rider
PAGE 15-4 ANSLEY
MODEL 32
ANSLEY RADIO CORP.
Alignment Instructions - Model 32
1. It is not necessary to remove the RF and IF/Audio Chassis from the housing to align the RF section. The IF section can be aligned, while in the case, by using an offset screwdriver.
2. After removing the metal case from the cabinet, the interlock switch, located on the IF/Audio chassis, must be closed. This can be done by jamming a wooden block between the chassis and the switch button.
3. Connect output meter across the voice coil. The simplest way of accomplishing this is to clip the meter leads on pins # 1 & 5 of the speaker plug socket on the underside of the chassis.
4. Insert power plug in socket and turn volume control switch on.
5. Padder adjustments can be made by inserting a long thin - insulated shank screwdriver, from the front, up under the RF chassis to the padder adjustment screw. Trimmer adjustments can be made directly from the front of the set. Location of the various trimmers from left to right (facing front of set) is as follows: SW Ant. Trimmer, SW RF Coil Trimmer, BC RF Coil Trimmer, SW Oscillator Coil Trimmer and BC Oscillator Coil Trimmer.
6. It is not necessary to connect the loop when aligning the set. To align the Broadcast band, connect the signal generator output across the green wire on the antenna terminal strip and bus. To align the Short Wave band, connect signal Generator across the blue wire on the antenna terminal strip and bus.
7. Align set in accordance with the table below (Note: Signal generator should be set for 400 cycle 30% modulated output, receiver volume control is set at maximum, and all adjustments are made for maximum reading).
Dummy Antenna
Sig.Gen. Connection
Sig.Gen. Frequency
Band Sw. Position
Tuning Points
Remarks
.05 MFD
Mixer Grid
456KC
BC
and Bus
.05 MFD
Green Wire
620KC
BC
and Bus
.05 MFD
Green Wire
1620KC
BC
and Bus
.05 MFD
Green Wire
1620 KC
BC
and Bus
400 ohms
Blue Wire
17.6
SW
and Bus
400 ohms Blue Wire
17.6
SW
and Bus
IF Trimmers BC OSC Padder BC OSC Trimmer BC RF Trimmer SW OSC Trimmer SW RF Ant. Trimmers
Tuning Cond. at Max. Set Dial at 62 See Below ** Set Dial at 162 See Below ** Set Dial at 162 See Below * Set Dial at 17.6
Set Dial at 17.6 See Below *
* When aligning the SW band use caution not to align on the image frequency, which will be found lower on the dial.
** Repeat these steps as often as necessary until both ends of Broadcast Band are tracking perfectly.
8. Tracking Check Points are:
620KC BC - 1120KC
1620KC
6.7 MC SW - 12.2 MC
17.6 MC
©John F. Rider
ANSLEY RADIO CORP.
ANSLEY PAGE 15-5 MODELS 41,41A
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www.americanradiohistory.com
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PAGE 15-6 ANSLEY
MODELS 41,414
ANSLEY RADIO CORP.
Alignment Instructions - Model 41 & 41A (Paneltone)
To align the Models 41 & 41A, it is not necessary to remove the chassis from the panel. However, the interlock switch - located on the rectifier chassis must be closed. This can best be done by using a U clamp placed over the button and body of the switch. Such a clamp can be made of a piece of steel 3" x 3/4" x 3/33" bent to form a U with a width of 1 3/8".
To align the IF stages proceed as follows:
a. Connect signal generator across Mixer trimmer and chassis. Signal generator should be set for 456 kc, 400 cycle, 30% modulated output. The mixer section of the tuning condenser is the section nearest the tuning dial.
b. Connect output meter across voice coil.
c. Turn set on.
d. Adjust IF trimmers for maximum output.
To align the RF section proceed as follows:
a. Connect signal generator across antenna and ground terminals. Set generator for 620 kc. output (400 cycles, 30% modulated) .
b. Set tuning dial at 62.
c. Peak oscillator padder at 620 kc. The oscillator padder is located directly under the tuning dial therefore it is necessary to tune the padder from the underside of the chassis, using either a flexible shaft or offset screwdriver.
d. Retune signal generator for 1670 kc. output and set tuning dial at 167.
e. Peak Oscillator and Mixer trimmers at 1670 kcs.
f. Repeat steps a, b, c, d, & e as often as necessary until set is tracking correctly.
g. Peak Antenna Trimmer at 1670 kcs.
Tracking check points are:- 620, 1140, and 1670 kcs.
Oscillations which develop during alignment of the RF section can usually be cured by keeping the lead from the Antenna Tuning Condenser to the Antenna coil close to the chassis.
@John F. Rider
www.americanradiohistory.com
AUTOMATIC PAGE 15-1
AUTOMATIC RADIO MFG. CO., INC.
MODEL C-60
LOOP
10 MEG
MODEL NO.
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®John F. Rider
www.americanradiohistory.com
PAGE 15-2 AUTOMATIC
MODELS 601,602 MODEL 611 MODEL 612X MODEL 630
AUTOMATIC RADIO MFG. CO., INC.
000
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9310 LI
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©John F. Rider
000
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For Alignment, see P.15-4
www.americanradiohistory.com
NIclatipeci dejteoetaties rr
AUTOMATIC PAGE 15-3 MODEL 630
AUTOMATIC RADIO MFG. CO., INC.
e+
BAND --SWITCH SHOWN AT 1 ST POSITION. BROADCAST BAND
BAND -SWITCH SHOWN AT 2ND POSITION
SHORT WAVE BAND ©John F. Rider
www.americanradiohistory.com
PAGE 15-4 AUTOMATIC
MODELS 601,602
MODEL 611 MODEL 612X MODEL 6131 MODELS 614X,616X MODEL 640 MODEL 650 MODEL 670 MODEL 677
AUTOMATIC RADIO MFG. CO., INC.
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©John F. Rider
www.americanradiohistory.com
AUTOMATIC PAGE 15-5
66X, MODEL 613X
AUTOMATIC RADIO MFG. CO., INC. MODELS and Series C
MODELS 660,662,666
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www.americanradiohistory.com
For Alignment, see P.15.4
PAGE 15-6 AUTOMATIC MODELS 660,662,666
AUTOMATIC RADIO MFG. CO., INC.
.5 MEG. 20 K
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SHORT WAVE BAND
5.7 TO 22.5 MC.
®John F. Rider
www.americanradiohistory.com
CONVERTER 12SA7GT B+
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LOOP
r\;- , 1 AUTOMATIC PAGE 15-7
AUTOMATIC RADIO MFG. CO., INC.
MODEL 640 MODEL 650
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©John F. Rider
TUNING
IF PEAK 455 KO
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VOLUME OFF -ON SWITCH
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For Alignment, see P.15-4 Record Changer for Model 6501 Seeburg Model K
www.americanradiohistory.com
PAGE 15-8 AUTOMATIC
MODEL 670 MODEL 677
AUTOMATIC RADIO MFG. CO., INC.
MODiEL NO.. 670 ANT.
; 1125K76T 4+ .0005
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www.americanradiohistory.com
TO EXT. ANT ()GREEN
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BELLE PAGE 15-1
BELLE ELECTRONICS CORP.
MODEL 125-P
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O 20.207 LINE CORD 13 AMPLICORD ANTENNA
ALIGNMENT: Should it become necessary at any time to check the alignment of this receiver, proceed as follows:
(1) Set the Signal Generator to 455 KC and connect to the Antenna Trimmer to(tChoCfoeItci)hloeoPiClfesco)rth.nmhaneseesaPcibtsei.irolminCtsyeo.anbTTniueluricntntyetrahTesutounVietotrahl.bueClmeoeenOxnCtuertoecpnmtuttrethoMel ctSelootiegcthrknewaalcmisrGeoaxessnipmeotrhusaemittoiSorppnogesrai(oktciueoonrrnde.VsTloeuoiacrudnet
(2)
Adjust the trimmers located at the top of the formers for maximum output as indicated on
first and second I. the Output Meter.
F.
Trans-
(3)
Set the Signal Generator to 1620 turn loop to the receiver loop.
KC
and
loosely
couple
through
a
2
or
3
(4)
With the Permeability Tuner set out of coils), tune in the 1620 Trimmer (C2).
at the extreme KC signal by
clockwise means of
position (cores the Oscillator
(5)
Set this
the Signal frequency
Generator to 1500 KC and turn is indicated on the dial. Adjust
the the
on the Permeability Tuner for maximum output.
Tuning Control so Antenna Trimmer
that
(C1)
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Converter I -F Amplifier Detector,AVC,A-F Ampl. Beam Power Amplifier Rectifier
NOTE: Oscillator and Antenna
Coil Saddles have been set
and adjusted at the factory. Do not attempt to readjust the Oscillator or Antenna Coil Saddles during the above alignment procedure or serious mis -+racking will occur, -re suiting in loas of sensitivity at various points in the band.
©John F. Rider
www.americanradiohistory.com
PAGE 15-2 BEILE
MODEL 126
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m 1.411 LOOP ASSEMBLY
2.163 2 GANG VARIABLE COND. 1.259 1ST I.F TRANSFORMER 1.409 21.11).1.F TRANSFORMER
Q 1.402-1 OSCILLATOR COIL ® 8.200 VOLUME CONT. 9 SWITCH
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ALIGNMENT: Should it become necessary at any time to check the alignment of this receiver, proceed as follows:
(1) Set the Signal Generator to 455 KC and connect to the grid of the 6SS7 R. F. Amplifier, or to the Stator Lug on the rear section of the Variable Capacitor. Connect the Signal Generator Ground Lead to a "-B" point underneath the chassis. Connect a suitable output meter across the Speaker Voice Coil Connections. First turn the Volume Control to the maximum position. Turn the Variable Capacitor to the extreme clockwise position.
TUBES:
6SS7 R. F. Amplifier 12SA7 Converter 6SS7 I. F. Amplifier
12SQ7 Detector, Avc and Audio Amp. 50L6GT Beam Power Amplifier 35Z5GT Rectifier
(2) Adjust the trimmers located at the top of the first and second I. F. Transformers for maximum output as indicated on the Output Meter.
(3) Loosely couple the Signal Generator lead to the Loop and set to 1650 KC.
(4) With the Variable Capacitor set at the extreme clockwise position, tune in the 1650 KC signal by means of the Oscillator Trimmer on the Variable Capacitor (front section).
(5) Set the Signal Generator to 1500 KC and turn the Tuning Control so that this frequency is indicated on the dial. Adjust the Antenna Trimmer on the Variable Capacitor (rear section) for maximum output. No other adjustments are necessary.
950 K C
CSC. TRIMMER
1500 KC R F TRIMME
LINE VOLTAGE: This receiver is designed for operation on 105-125 Volts 50-60 Cycles, either Alternating or Direct Current (AC -DC)
POWER CONSUMPTION: 30 Watts.
TRIMMER AND TUBE LOCATION DIAGRAM
TUNING RANGE: Broadcast: 540 to 1650 Kilocycles (180 to 555 meters). DIAL: The Dial Scale is calibrated in Kilocycles.
©John F. Rider
www.americanradiohistory.com
BELMONT PAGE 15-1
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PAGE 15-2 BELMONT
MODEL 4B17 MODELS 4B112,4B113
BELMONT RADIO CORP.
ALIGNMENT INSTRUCTIONS FOR VOMIS 4817, 4B112, 48113
Output meter across 3.2 -ohm output load. Align for maximum output. Reduce input as needed to keep output near 0.4 volts.
Volume control at maximum for all adjustments. Connect ground post of signal generator to radio
chassis.
Frequency
455 kc
-1.-71T273 C,4S 1700 kc,
48112,48113 1720 KC, 41317
1700 kc,
48112,48113
1400 kc
SIGNAL GENERATOR
Dummy Antenna
Connection to Radio
.1 mf
Grid (top cap) of IA7GT
.1 mf
Grid (top cap) of 1A7GT
200 mmf
Antenna lead
200 mmf
Antenna lead
TUNER SETTING
Iron cores all the way out
Iron cores all the way out
Iron cores all the way out
Turn dial to 1400 kc
ADJUST FOR MAXIMUM OUTPUT
(in order shown)
Trimmers on output and input I.F. cans Oscillator trimmer C3-B
Antenna trimmer C3-A Adjust postion of antenna
coil (see coil view)*
This adjustment and the previous adjustment are interlocking; therefore repeat the two adjustments alternately for best results.
REPLACEMENT PARTS LIST
MODEL 4B17
MODELS 48112, 4B113
Ref. No. Part No.
Description
CAPACITORS*
Cl C2 C3-A,-B
C -8F3-11 C -8D-10929 A -8H-10807
C4,C6, C9 C5 C7 C8
C10,C12 Cl1 C13 C14 C15
C -8D-10770
C -8F3-10 C -8D-10775 C -8D-11270
or 119117 C-8 F3-113 C-80-10786 C-80-10774 10017 C-80-10784
330 mmf, 20%, mica .001 mf, 600 volts, 10% Dual trimmer; antenna (42.78 mmf)
and oscillator (84.156 mmf) .05 mf, 200 volts, 20%
220 mmf, 20%, mica
.25 mf, 200 volts, +20%-10% .5 mf, 200 volts, +20%r-10%
10 mf, 150 volts, electrolytic 100 mmf, 10%, mica .003 mf, 600 volts, 20% .02 mf, 400 volts, 20%
.5 mf, 120 volts, +50%-10%
.002 mf, 600 volts, 25%
RESISTORS*
Rl
C -9B1-19
10,000 ohms, 1/2 watt, 20%
R2,R5 C-981-34
3.3 megohms, 1/2 watt, 20%
R3
C -9B1-80
33,000 ohms, 1/2 watt, 10%
R4
C-9131-27
220,000 ohms, 1/2 watt, 20%
R6 R7,S t
C -9B1-83
56,000 ohms, 1/2 watt, 10%
A -10A-10155 Volume control (I megohm) and
on-off switch
R8
C-981-35
4.7 megohms, 1/2 watt, 20%
R9
C -9B1-31
RIO C -9B1-32
I megohm, 1/a watt, 20% 1.5 megohms, 1/2 watt, 20%
RII C -9B1-57
390 ohms, 1/2 watt, 10%
TRANSFORMERS AND COILS
TI -A, -B C-211-10171
T2
108202C
T3
1081530
T4
1059113
Tuning assembly complete, including antenna and oscillator coils
Input I.F. coil, complete in can (range of trimmers: pri. 60-110 mmf, sec. 40-70 mmf)
Output I.F. coil, complete in can (range of trimmers: 40-70 mmf each)
Output transformer
MISC ELLANEOUS
B -18A-10164 121210 A -55A-7386-1 10724 13-14A-10152 A -2G-10162 115396 A -5B-10170-1 B -6D-10618 B -2M-7758 A-60-10163 A -2F-10165 A -49A-10173 A -3A-10156 A -53A-10576 A -49A-11324
Speaker, 5", P.M. Socket, for tubes (4 used) Connector, for speaker plug Plug, on speaker leads Battery cable assembly Pointer, for dial Tube shield (for 1N5GT, IA7GT) Knob (volume control, tuning) Dial scale Snap -in rivet for dial scale Crystal for dial On -off indicator Spring for on -off indicator Tuning shaft Cord, for dial pointer drive (32") Spring for dial pointer drive cord
Ref. No. Part No.
Description
Cl
C2 C3 -A, -B
C4,C6 C5 C7 C8
C9 C10,C12
C11 C13 C14 C15 C16
RI R2,R5 R3 R4 R6 R7,S1
R8 R9 RIO R11
TI-A, -B
T2
T3
T4
CAPACITORS *
C-8F3 -I1 C -8D-10787 124165
C -8D-10770 C -8F3-10 C -8D-10775 C -8D-11270
330 mmf, 20%, mica
.001, 600 volts, 20% Dual trimmer, antenna and oscillator.
Range of each: 84-156 mmf .05 mf, 200 volts, 20%
220 mmf, 20%, mica
.25 mf, 200 volts, +20%-10% .5 mf, 200 volts, +20%-10%
or 119117 129177 C -8F3-8 C -8D-11013 C -8D-10774 C -813-1I270 C-80-10935 C-80-10771
10 mf, 150 volts, electrolytic
45 mmf, 5%, ceramicon
100 mmf, 20%, mica .003 mf, 600 volts, 10% .02 mf, 400 volts, 20%
.5 mf, 200 volts, +20%-10% .005 mf, 600 volts, +40%-15% .1 mf, 200 volts, +20%-10%
C -9B1-19 C-9131-3-4 C-9131-80 C-981-27 C-9131-82 101250
C -9B1-35 C-981-31 C-981-33 C -9B1-57
RESISTORS *
10,000 ohms, 1/2 watt, 20% 3.3 megohms, 1/2 watt, 20% 33,000 ohms, V/2 watt, 10% 220,000 ohms, 1/2 watt, 20% 47,000 ohms, 1/2 watt, 10% Volume control (1 megohm) and on -
off switch 4.7 megohms, 1/2 watt, 20% I megohm, 1/2 watt, 20% 2.2 megohms, 1/a watt, 20%
390 ohms, 1/2 watt, 10%
COILS AND TRANSFORMERS
1364 108202
Tuning assembly complete, including antenna and oscillator coils
Input I.F. coil complete in can. Range of trimmers: primary, 60-
10815313
110 mmf; secondary, 40-70 mmf Output I.F. coil complete in can.
Range of trimmers: 40-70 mmf ea.
1059111
Output transformer
MISCELLANEOUS
114238
Speaker, 5 -inch, P.M.
121210 115396
Tube socket Tube shield
107361 128621-18 128621-9 128523-17 128523-8 12862613 128626 131356 112920 13143 112914 112908B
Battery cable assembly Cabinet, walnut Cabinet, ivory Knob, walnut Knob, ivory Back for, cabinet, walnut Back for cabinet, ivory Tee-pins for securing back Dial scale Snap -in rivets for dial scale Crystal for dial Pointer
A -53A-10989 120184 112915 120405 120409
Cord for dial pointer drive Spring for drive cord On -off indicator Spring for indicator Trip for indicator
@John F. Rider
www.americanradiohistory.com
BELMONT PAGE 15-3
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 BELMONT
yöDEL 5D128
BELMONT RADIO CORP.
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©John F. Rider
www.americanradiohistory.com
BELMONT RADIO CORP.
BELMONT PAGE 15-5
MODEL 5D128
ALIGNMENT Output meter across 3.2-ohm output load.
Volume control at maximum. Chassis must he removed from cabinet for proper alignment. Slight adjustments of the oscillator and antenna trimmers can be made, without removing the
PROCEDURE
chassis, through holes provided on the bottom of the cabinet.
Connect ground post of signal generator to B- of
radio. Align for maximum output. Reduce input as needed to keep output near 0.4 volts.
SETTING THE PUSHBUTTONS-The pushbuttons may be used, after proper adjustment, for the automatic tuning of any five stations on the standard broadcast band. They can be set up in any order.
1. Turn on the radio.
SIGNAL GENERATOR
Frequency
Coupling Capacitor
Connection to Radio
TUNER SETTING
ADJUST TRIMMERS TO MAXIMUM OUTPUT
(in order shown)
2. Push out the call letters of the five stations from the call -letter sheets supplied with this manual.
3. Insert one call-letter tab in the
455 kc
.t mf
12SA7 grid
Rotor full open (plates out of mesh)
Input and output trimmers on IF cans
rectangular opening in the front of each pushbutton, in any order. Press
1650 kc
.1 nif
12SA7 grid
Rotor full open (plates out of mesh)
Oscillator trimmer C4
an acetate tab (supplied in small ens -elope) into each of the pushbuttons.
1400 kct
None
See note below
1400 kc
Antenna trimmer C2
4. With the screwdriver supplied, check to see that the locking screw
t For
this
adjustment chas is
should
be remounted in
cabinet and
loop
connected.
Lay
generator
lead
near
loop
and turn
up
in the center of output (sec front view)
the tuning is loose. If
knob it is
Loop will pick up energy Antenna trimmer can be reached through a hole in the bottom of the cabinet.
not, turn it several turns to the left
(counterclockwise).
REPLACEMENT PARTS LIST
When ordering ports, specify port number, model number, and series
Ref. No.
CI C3 -A;B C2,C4
C5,C7 C6,C15
C8 C9 CIO
CII
C12 C13 C14 -A,-B
RI R2 R3 R4 R5 R6,Sl
R7 R8,R11
R9 RIO R12 R13 R14
L1
TI
T2 T3
Part No.
Description
CAPACITORS
C -8D-10761 íì8A-10754
C -8F3-8 C -8D-10770 C -8D-10789 C -8F3-10 C -8D-10788 C-80-10774 C -8D-10760 C-80-10953 11992
or 11993
.01 mf, 400 volts, 20% Two -gang, including antenna and
oscillator trimmers. Range of gang 11-388 mmf (ant.) and 8.5.162 mmf (ose.) 100 mmf, 20%, mica .05 mf, 200 volts, 20%
.002 mf, 600 volts, 20% 220 mmf, 20%, mica .004 mf, 600 volts, 20% .02 mf, 400 volts, 20%
.1 mf, 400 volts, +20%-10% .15 mf, 400 volts, +20%-10%
Electrolytic, 60 cycles, 40 mf-20 mf,
150 volts
Electrolytic, 25 cycles, 60 mf-40 mf, 150 volts
C -9B1-13 C -9B1-82 C -9B1-46 C -9B1-34 C -9B1.85 101198
C -9B1.37 C -9B1-27 C -9B1-29 C -9B1-53 C -9B1.41 C -9B1-43 C -9B2-64
RESISTORS*
1000 ohms, 1/2 watt, 20% 47,000 ohms, 1/2 watt, 10% 47 ohms, t/2 watt, 10% 3.3 megohms, Y2 watt, 20% 82,000 ohms, 1/2 watt, 10% Volume control (1 megohm) and on.
off switch 10 megohms, 1/2 watt, 20% 220,000 ohms, t/2 watt, 20% 470,000 ohms, 1/2 watt, 20% 180 ohms, t/2 watt, 10% 18 ohms, 1/2 watt, 10% 27 ohms, 1/2 watt, 10% 1500 ohms, 1 watt, 10%
COILS AND TRANSFORMERS
12311 C-212-10895
A -13D-10748 B-1313-10091
Load coil Loop antenna assembly, including
coil LI, resistor Rl, and capacitor Cl Oscillator coil Input I.F. transformer, complete in can. Range of trimmers: 45-85 mmf each
NOTE ON TUBE REPLACEMENT Replace a defective metal 12587 tube with another metal tube. Replace e glas. 12SK7 tube with a metal tube or with en exact duplicate of the tube now in the set.
Ref. No. Part No.
Description
T4 íì13B-10812 Output I.F. transformer complete in
can. Range of trimmers: 56-104 mmf each T5 B-12C-10735 Output transformer
DIAL AND TUNING PARTS
B -SB-10994-9 128523-8 A -3F-10995 120388 128292E-8 A -6D-10758 112857 112745 131211
115361R
115361L 120283 115146 115143 1209 120285
Tuning knob Volume knob Locking screw for tuning knoh Locking spring for tuning knob Pushbutton
Dial scale Dial crystal Dial pointer Snap-in rivets for dial stale and
crystal Lever and roller (roller faces away
from gang) Lever and roller (roller faces gang) Return spring for lever
Cams
Keywasher (II used) Cord for dial pointer drive 05")
Spring for drive cord
MISCELLANEOUS
114201 A-1513-10440 121171 B-151140076 10798 107249 107342 128561-9 131193 134123 112784 112606
Speaker, 5-inch, P.M. Tube socket (all tubes bai 12SK7) Tube socket (for 12SK7) Socket for electrolytic Line cord and plug Pilot light, type T-47 Pilot light socket assembly Cabinet
Snap-in rivets, for cabinet back Rubber foot Set of call letters Acetate tabs for pushbuttons
The value of the r si toss listed above aie based o RMA standards.
Due with
to conditions resistors of
beyond u control, somee prestandardized velue,.
rTecbe:iv, errescbeiavveer
been will
abipped operate
equally well wldr r ence tonnas: Pre
aistms ut ;this troue. An -standardized value -100,000
oimlluss,tratt/i;onwaotft.
the dlaerthug
tMA value-225.000 ohms, 1/2 watt. lo%
5. Press the first pushbutton down all the way. With one hand hold the button down firmly and so ith the other carefully tune in the desired station. Release the pushbutton.
6. Follow this procedure for
each of the four other buttons, setting each one for a different station.
7. Rotate the tuning knob on the side of the cabinet as far to the right as it will go. Tighten the lacking screw iii the center of the knob. It is important that this screw be tightened very firmly.
8. The pushbuttons are now
properly set for automatic tuning. Any of the five stations may be tuned in simply by pressing the proper button down as far as it will go. If you wish to reset any of the buttons for a new station, loosen the locking screw, set the pushbutton as described above, and re -tighten the locking screw.
REMOVAL OF CHASSIS-If for any reason you wish to remove the radio chassis from the cabinet, proceed as follows: First be sure the line cord is disconnected from the house power receptacle. Then take off the back as described under "Tubes" above. Pull the volume control knob off its shaft. Unscrew the locking screw in the center of the tuning knob and pull the knob off its shaft. Remove the four chassis mounting screws from the bottom of the cabinet. The chassis can now be slipped out.
After the chassis is replaced the automatic pushbuttons will probably have to be reset.
DIAL LIGHT-If the dial lamp burns out the set should not be operated
until a new lamp has been installed. Failure to heed this caution may result in a burned-out 35Z5GT tube. To replace the lamp it is necessary to remove the back (sec under "Tubes" below). Use only a type T-47 lamp for replacement.
...r TUBES-Tubes which have weakened
with age may cause
or erratic
reception; therefore ve the tubes
tested periodically and replace those
which are weak. To reach the tubes,
pry off the four snap in rivets which
secure the back to the cabinet. Take
care not to break the connections of
the three wires to the loop antenna
on the inside of the back. Tubés are removed most easily by rocking them back and forth gently while lifting.
When replacing tubes, refer to the
Chassis View to make sure that the replacements are properly made. IMPORTANT: See note in parts list concerning tube replacement.
- ANTENNA AND GROUND If an
external antenna is used, check it periodically to make sure that all connections are clean and tight and that the antenna is insulated from the ground at all points.
©John F. Rider
www.americanradiohistory.com
PAGE 15-6 BELMONT
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BELMONT PAGE 15-7
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MODEL 8A59
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BELMONT PAGE 15-9
MODEL 8A59
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©John F. Rider
www.americanradiohistory.com
PAGE 15-10 BELMONT
MODEL 8A59
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BELMONT RADIO CORP.
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19 METER BAND
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©John F. Rider
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www.americanradiohistory.com
BELMONT RADIO CORP.
BELMONT PAGE 15-11
MODEL 8A59
MECHANICAL ADJUSTMENT-The core tuning bar (see illustration of iron cores) and dial pointer must be adjusted mechanically before any electrical alignment is attempted. Rotate the manual tuning control until the core bar is farthest from the coils. For proper adjustment the bar should be approximately 1/32 of an inch from the two rod guide angles.
With the core bar in this position, adjust the dial pointer to coincide with 1600 kc on the dial scale.
Rotate each of the three broadcast coils (see illustration) until the end of the coil is 1-5/32" from the end of the coil form. Rotate the three 9-mc coils until this dimensnon is 1-1/16" for these coils. After these adjustments have been made, the unit can be aligned electrically.
ELECTRICAL ADJUSTMENT-To align the set make the follow-
ing preliminary adjustments: Set the tone pushbutton for treble tone; set the volume control at maximum; connect the ground post of the signal generator to the radio chassis; connect the output meter across a 3.2-ohm output load; and allow the receiver and signal generator to warm up for several minutes.
Align the set according to the sequence given in the chart. The indicated dummy antenna is to be connected in series between the signal generator output lead and the receiver. Adjust the set for maximum output; reduce the input as needed to keep the output near 1.3 volts.
Locations of all the trimmers and coils are shown in the illustrations below. After adjustment, seal the coil cores with collodion or a similar substance (do not use cement).
BAND SWITCH SETTING
Frequency
SIGNAL GENERATOR
Coupling Capacitor
Connection to Radio
DIAL
POINTER SETTING
ADJUST TO MAXIMUM OUTPUT
(in order shown)
Broadcast (for I. F.)
455 kc
.1 mf
Grid (pin 8) of converter (6SA7)
1600 kc
Trimmers on output and input I. F. cans
Broadcast
31 Meter 49 Meter 25 Meter 19 Meter
1600 kc 1400 kc 9.6 mc 6.1 mc 11.8 mc 15.2 mc
200 mud 200 mmI 400 ohms 400 ohms 400 ohms 400 ohms
Antenna lead Antenna lead Antenna lead Antenna lead Antenna lead Antenna lead
1600 kc 1400 kc 9.6 mc 6.1 mc 11.8 mc 15.2 mc
BC Osc. trimmer C15 BC R. F. trimmer C8 BC Ant. trimmer C2
Rotate cores of BC R. F. coil T7 and
BC Ant. coil T1
9 mc Osc. trimmer C14 9 mc R. F. trimmer C9 9 mc Ant. trimmer C3
6 mc Osc. coil T14 6 mc R. F. coil T10
6 mc Ant. coil T4
12 mc. Osc. coil T13 12 mc R. F. coil T8 12 mc Ant. coil T2
15 mc Osc. coil T12 15 mc R. F. coil T9 15 mc Ant. coil T3
TRIMMERS
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OUTPUT TRANS. 2052.A
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PLACE POINTER CARRIAGE AS FAR AS IT WILL GO TO THE LEFT. THEN WRAP STRING ONCE AROUND.
F INISH
WHEN WINDING LAST TURN ON PULLEY, LOOP STRING THRU SLOT AS SHOWN.
START 3 TURNS
PULLEY
0 TURN TO EXTREME
COUNTER -CLOCKWISE POSITION
SET SCREW TUNING SHAFT
WHEN FINISHED WITH STRINGING, SPRING MUST BE ¿" FROM IDLER AS SHOWN. TO DO THIS, O4 LOOSEN SET SCREW. ON PULLEY.
;" OS HOLD TUNING SHAFT FIRM IN POSITION INDICATED AND TURN PULLEY
BY HAND UNTIL SPRING IS
AWAY FROM IDLER.
© TIGHTEN SET SCREW. NOW SPRING SHOULD TRAVEL BACK AND FORTH WITHOUT TOUCHING THE IDLERS.
OT REPLACE CHASSIS IN CABINET. REPLACE POINTER ON CARRIAGE. TUNE IN
STATION OF KNOWN FREQUENCY. HOLD TUNING SHAFT FIRM AND SLIDE POINTER TO CORRECT POSITION ALONG DIAL.
Oa GLUE POINTER TO STRING.
ANDCOILOF
FORM
12MC 4MC ISMC
BMC
OSC OSC OSC OSC
©John F. Rider
BC R BC OSC
12MC R
6MC RE
(MAC
ISMC RF 12MC ANT
ISMC AN
B MC ANT
Coils and Trimmers
www.americanradiohistory.com
ALL BC COILS
LL SRC COILS
PAGE 15-12 BELMONT MODEL 8*59
BELMONT RADIO CORP.
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BENDIX RADIO DIV.
BENDIX PAGE 15-1
MODELS 526&,-B,-C,D,-ñ Preliminary
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PAGE 15-2 BEN.DIX
MODELS 526A, -B, -C, -D, -E Preliminary
BENDIX RADIO DIV.
REPLACEMENT PARTS LIST
Stock
No.
ALOCOO
CE2An)
CL2A00 CM5A14 CM5A34 CM5A46 CP4T20
CP4T31
CP4T40 CP4T51 CP6T16
CP6T40 CVOB01
101300
RC1H40 RC1(154 RC11158 RC1H68 RC1H70 RC1H76 RC3H12 RC4G28 RVOS00 RW1AO6 RW1B14 SOODOO SO8S00
TI0000
TIODOO
Description
List Stock Price No.
ANTENNA - Loop Assembly (L1)
CAPACITOR - Electrolytic - 40-40-150 W.V.
(C17A, C17B)...
CORD - AC Power
CAPACITOR - 47 mmf. mica (C5)
CAPACITOR - 330 mmf. mica (C13)
CAPACITOR - .001 mmf mica 500 V.D.C. (019)
CAPACITOR - .006 mfd. - 400 V.D.C. Paper (C14)
..
CAPACITOR - .01 mfd. - 400 V.D.C. Paper
(C15)
CAPACITOR - .06 mfd. - 400 V.D.C. Paper (C6) CAPACITOR - .1 mfd. - 400 V.D.C. Paper (C18)
CAPACITOR - .004 mfd. - 600 V.D.C. Paper
(C1, C12)
CAPACITOR - .06 mfd. - 600 V.D.C. Paper (C16)
CAPACITOR - Variable (C2A, C2B, C3RF - 25 mmf
max. C4 Osc. 25 mmf. max.)
COIL. - Oscillator (12)
RESISTOR - 22 K ohms, 1/4 W. Comp. (R2)
RESISTOR - 220 K ohms, 1/4 W. Comp. (RS,R12)
RESISTOR - 470 K ohms, 1/4 W. Comp. (R7)
RESISTOR - 3.3 meg. 1/4 W. Comp. (R3)
RESISTOR - 4.7 toeg. 1/4 W. Comp. (R6)
RESISTOR - 15 meg. 1/4 W. Comp. (RI)
RESISTOR - 100 ohms, 1 W. Comp. (R9)
RESISTOR - 2200 ohms, 2 W. Comp. (R11) POTENTIOMETER - with switch - 500 K ohms (R4)
RESISTOR - 33 ohms,l W. W. W. (R10)
RESISTOR - 150 ohms, 1 W.W.W. (R8)
SOCKET - Dial Lamp
SOCKET - Octal Tube
..
TRANS. - Converter I.F. (1st)
TRANS. - Diode I.F. (2nd)
BTITOO BZOD00 bSOA03 FZOROO HKOROO HPOBOO HZOS00 IDOMOO
PI0001
KCOBO1 ZPOB01
KCOB03
ZP0101
BZOBOO GFO600 FZORO1 GR0D00 GR0D01 HKOCOO HZOS01 IDOM01
Description
PARTS COMMON TO MCI)EL 0626A & B
POST - Binding (Base Plate)
BAFFLE - Corrugated Paper Speaker
DIAL - Plastic Scale (54-170)
FOOT - Rubber (Vinylite) Mtg
RING - Knob Retainer Spring (015)
PLATE - Base Assy
.
STUD - Trimount
INDICATOR - Metal Dial (Pointer) PLATE - Asbestos Base Insulator
PARTS FOR MODEL 0626A
KCANOBBIN- ETMo- ttMledottBlerodwnBro-wnPuPshlaosntic
PARTS FOR MODEL 0526E
KNOB - Mottled Brown - Push On
CABINET - Ivory Plastic
PARTS COMMON TO MODELS 0526C & D
BACK - Teakwood - Catalin Cabinet GASKET - Felt 3/16" K 3-1/4" ID (spkr ' FOOT - Cabinet (Rubber) GASKET - Rubber Dial (1/16" X 1/8" X 4") GASKET - Rubber Dial (3/16" X 1/32" X 1/4") CLIP - Knob Retainer Spring
STUD - Trimount INDICATOR - Metal Dial (Pointer)
PARTS FOR MODEL 05280
SPEAKER AND COMPONENTS
SP4R00 CS4R00 C54501 CS4R02 CS4R03 CS4R04 TA0000
SPEAKER - 4" P.M
CONE - 4" Cone & Y.C. Assy. - Spkr.
Code 252
CONE - 4" Cone & V.C. Assy. - Spkr.
Code 328
CONE - 4" Cone & V.C. Assy. - Spkr.
Code 277
CONE - 4" Cone & C.C. Assy. - Spkr
Code 258 CONE - 4" Cone A V.C. Assy. - Spkr.
Code 191
TRANSFORMER - Output Trans..
SP4R00, SP4R00, SP4R00, SP4R00, SP4R00,
DSOA00 DXOR00 DXOR01 KCd000 ZC0600
DIAL - Glass Scale (54 - 170) RETAINER - Dial, R.H. (Trim) RETAINER - Dial, L.H., (Trim) KNOB - Plain Push -on (Green).
CABINET - Green & Black Catalin
PARTS FOR MODEL 0626D
DSOA05 DXOR02 DXOI103 KC0001 ZCOBOO
DIAL - Glass (54 - 170) RETAINER - Dial, R.H. (Trim) RETAINER - Dial, L.H. (Trim) KNOB - Brown Push -ON CABINT - Two-Tone Brown Catalin
List Price
MECHANICAL COMPONENTS
ADODOO BT4SOO
CD0001 GROS00 HBOA00 HC00O3 HCOS00
HNOPOO HROS02
HSOCOO
IIS6F00 ITOCOO MPOF00
MSOTOO PIOCOO
'IOPOO
PLATE ASSEMBLY - Dial Back
BOARD - Strip Terminal - 4 lugs
CARIE - Dial 40"......
GROMMET - Cond. Shockmount.. BRACKET - Loop Antenna CLAMP - Cable Dial CLIP - Tuning Shaft Spring NVr 3/8 X 32 Palnut RIVET - Shoulder (.218) SPRING - Dial Cable Tension SLEEVE - Spacer - Tuning Cond. Mtg TUBE - Capacitor Insulating PULLEY - Idler (Fiber)
SHAFT TUNING
PLATE - Mounting Elect. Cap PLATE - Power Cord Insulator
PARTS FOR MODEL 0526E
320801
BZCDOO BZC1/02 DS0A07 DXOR06 FZCR02
0E0606 GFO607 GFOS08 GZ0001
HKOROO IDOM03
KCO1307
PIOB01 ZWSA00
BACK - Cabinet Teakwood BAFFLE - Corrugated Card Board BAFFLE - Paper
DIAL GLASS (54-170 K.0 ) RETAINER - Metal Dial
FOOT - Black Rubber
GASKET - Blk. Felt (1/16 X 1/4 X 6/8) GASKET - Blk. Felt (1/16 X 3/16 X 83) GASKET - Blk. Felt (1/16 X 1/4 X 13/16) GRILl-CLOTH - (Dk. Br.) RING - Retainer Spring (.015) INDICATOR - Metal Dial Pointer
KNOB - Dk. Mottled Drown (Cont '1) PLATE - Asbestos Base Ins ulator
CABINET ASS'Y - (Wood) BW76
©John F. Rider
www.americanradiohistory.com
BENDIX RADIO DIV.
BENDIX PAGE 15-3
MODELS 636A, -C, -D
RF
LINE VOLTAGE IIT A.G.
ZERO SIGNAL INPUT
GS CONVERTER 1407
tat VOL COAT MN
CONDITION[ CS N[suR[RENr.
VaTA4E SONNET RESKiHO
TO coNNON sus
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50. AT 04450 45/G
PONER
OUTPUT
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NOTES-
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ww.RNKwMNiTRTE
TRANSFGNl11 RESISTANCE N oNYa
l®0M0MM©M0M CIm®: nmEOOmoDmFmOIEmmImm7aimm©Ool©OmOimmnmmOemmmnEmou^mìmOm»wmlwanw7
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Power Consumption -Watts
TUNING RANGE-FREQUENCY IN KC ....
INTERMEDIATE FREQUENCY (KC)
MAXIMUM POWER OUTPUT IN WATTS LOUD SPEAKER-PM-OVAL
Cone diameter-inches...
Voice Coil Impedence (ohms at 400 cycles)
Cl ON LOOP
30
.. 535-1725
455
1 2
4x6
3 2
COPYRIGHT 1946 BENDIX AVIATION CORPORATION
R965í
CONTROL
US2
-{J TUNING
Alignment Procedure
Connect line cord plug to 117 volt, 60 cycles AC power source. Set volume control at maximum clockwise position and tone control (S2) in counterclockwise position. Connect output meter across voice coil. Adjust dial pointer by turning tuning control fully counterclockwise and sliding dial pointer on dial cord until it is exactly 2 3/16" from left end of dial back plate. Make all adjustments in order given in table and for maximum output. Dial Pointer Positions given measured from left hand end of dial back
plate. Keep input as low as possible at all times.
Precautions
An isolating transformer should be used between the power supply and the receiver if any of the test equipment is AC operated. The use of isolating capacitors is not recommended as AC through the capacitor may introduce hum modulation, and if the capacitors should break down the test instruments will likely be damaged.
Circuit Aligned
IF
OSC.
RF
Input
Freq.;
*455 KC
**1475 KC **1475 KC **965 KC **580 KC
Dial Pointer Position
Max. to right
6 3/4"
6 3/4"
5
2-23/32"
Adjustments
ClOb, ClOa C8b, C8a
Clc
Cle, C2 Check
Cillib.
* Applied to Antenna input .1 mfd. or less. ** Applied to Antenna input through 50 mmf. or less.
@John F. Rider
www.americanradiohistory.com
PAGE 15-4 BENDIX
[MODELS 636A,-G,-D MODEL 736E
BENDIX RADIO DIV.
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®John F. Rider
www.americanradiohistory.com
BENDIX RADIO DIV.
ze
BENDIX PAGE 15-5
MODEL 646A Preliminary
4. .
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www.americanradiohistory.com
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PAGE 15-6 BENDIX MODEL 646A
Preliminary
BENDIX RADIO DIV.
Power
Voltage Rating, AC or DC
105 - 125
MAXIMUM POWER OUTPUT IN WATTS
1.2
Frequency - Cycles per second
50 - 60
Power Consumption - Watts
37
U)UD SPEAKER - PM
Cone diameter - inches
6
TUNING RANGE - FREQUENCY IN KC
535 - 1725
Voice Coil Impedence (ohms at 400 cycles)
3.2
INTERMEDIATE FREQUENCY (KC)
455
REPLACEMENT PARTS LIST
Stock No.
Description
List Price
Stock Nd.
Description
List Price
AL00O3% CC9A16 CE3A00
CL2A01 CM5A14 CM5A30 CP4T20 CP4T34
(:P4'í40
CP4T51 CP6T1G
('1'2A01
eV0000 {á)6B00 RC1H1G 41C1H2O RCIH32 RC1H34 RC1H40 RC1H54 RClH58 RCIH68 RC1H70 HCIG28 RV4S02 RW1H14 RW2AOG SOOD03 SO9S00 TIOCO1 TIODO1 TR6U)0
AD00O3 HT1S00 BT2S00 BT4S01 0D00O3 GROSOO HBOA01 HCOCOO HCOf,03 HCOS00 HCOTOO
ELECTRICAL COMPONENTS
ANTENNA - Loop
1.95
CAPACITOR - Ceramic 3.3 mmf. (C4)
.05
CAPACITOR - Electrolytic (20-40-60 mfd.).... 1.86
150V.D.C. (C20A, B, C)
CORD - A.C. Power Line
.47
CAPACITOR - Mica 47 mmf. (C5,C7)
.19
CAPACITOR - Mica 220 mmf. 500V (C12)
.55
CAPACITOR - Paper .006 mfd. 400V (C11,C15).. .15
CAPACITOR - Paper .02 mfd. 400V (C16,C18)... .14
CAPACITOR - Paper .05 mfd. 400V (C6,C8,C13, .16
C19)
CAPACITOR - Paper .1 mfd. 400V (C21)
.18
CAPACITOR - Paper .004 mfd. 600V (C3)
.29
TRIMMER - 2-20 =rd. (C2)
CAPACITOR - Variable (Cla,lb,ld)
7.50
OSCILLATOR - Coil Ass'y. (L3)
.94
RESISTOR -2200 kW Comp. (R2)
.04
RESISTOR -4707 úW Comp. (R19)
.04
RESISTOR - 47O00 kW Comp. (R15)
.04
RESISTOR - 68002 kW Comp. (R10)
.04
RESISTOR - 22K0 kW Comp. (R1)
.04
RESISTOR - 22016) *W Comp. (R17, R8)
.04
RESISTOR - 470K2 kW Comp. (R4, R11)
.04
RESISTOR - 3.3 Meg. LW Comp. (R3)
.04
RESISTOR - 4.7 Meg. kW Comp. (R18)
.04
RESISTOR - 22000 2W Comp. (R16)
.14
POTENTIOMETER - with switch 1 Meg. (R5)
.94
RESISTOR - 1500 1W.W.W. (R20)
.08
RESISTOR - 332 2W.W.W. (R14)
.10
SOCKET - Dial Light,
.40
SOCKET - Locktal Tube
.15
I. F. TRANSFORMER - 1st (T1)
3.00
1. F. TRANSFORMER - 2nd (T2)
2.43
R. F. TRANSFORMER ASS'Y. - Interstage (L2) 3.75
MECHANICAL COMPONENTS
PLATE ASS'Y - Dial Back
.89
TERMINAL STRIP - 1 Soldering Lug
.02
TERMINAL STRIP - 2 Soldering Lugs
.02
TERMINAL STRIP - 4 Soldering Lugs
05
(:ABLE - Dial (47 3/8")
.18
GROMMET - Cap Shockmount
.04
BRACKET - Loop
.03
CLIP - Coil Mtg
.01
CLAMP - Cable
,04
CLIP - Spring
.01
CLAMP - Tube Shield
.01
HN9P45 HROS01 HSOCOO HSOPO1 HS6F00 HS6S01 IDOM05 ITOCO1 MPOFOO MSOTO4 PIOCOO PIOPOO SMOTOO
PALNUT - 3/8 X 32 RIVET - Shoulder SPRING - Coil SPACER - Antenna SLFFVE - Spacer Flared SCREW - Self -Tapping 6 X * INDICATOR - Metal Dial TUBE - Insulating (Cap) PULLEY - Idler (Fiber) SHAFT - Steel Tuning PLATE - Insulator Mtg PLATE - Insulating Power Cord SHIELD - Metal Tubing
.01 . _.02;
.04 .01 .02 .32/l .33 .o4 .02
.1,6
.02 .01 .05
SPEAKER AND COMPONENTS SP6R00* SPEAKER - 6 P.M. less transf CS6R00 CONE & V.C. ASS'Y - Code 285 CS6R01 CONE & V.C. ASS'Y - Code 159 CS6R02 CONE & V.C. ASS'Y - Code 270 CS6R03 CONE & V.C. ASS'Y - Code 258 CS6R04 CONE & V.C. ASS'Y - Code 191 CS6R05 CONE & V.C. ASS'Y - Code 188 CS6R06 CONE & V.C. ASS'Y - Code 371 TA0003 TRANSFORMER - Output (T3)
5.79 1.95
CABINET COMPONENTS
BZODO4 BAFFLE - Board (wood)
- DSOA04 DIAL - Glass (54-170)
4.80'
GFOSO4 GASKET Felt (1/16 X 1/4 X 3-3/4).. .O1
GZ00O2 GRILLE - Cloth
HC0004 CLAMP - Dial Light
.05
HKOROO RING - Knob Retainer Spring
.01
HS6W25 SCREW - #6 X 5/8" F.H. (Statuary Br. .65/
HS6W26 SCREW - #6 X 1/2" F.H..(Statuary Br. .60/
HS8S50 SCREW - Self-Tapping #8 Xl"
.56/
HS8W51 SCREW - Wood F.H. #8 (Red iridete)
HW8C00 WASHER - #8 Cup Type (D.K. oxidized)
HZOGOO GLIDE - Metal N.P
.05
HZOH01 HINGE - Table (D.K. oxidized).... .08
HZOLO1 SUPPORT - Table Drop Leaf
. 1.08/pr
JR2SO1 RECEPTACLE - 2 contacts
36
KYOMOO KNOB - Control (Engl. Antique)... .38
KYOM01 KNOB - Dummy (Engl. Antique)..... .38
PIOBOO PLATE - Asbestos Insulator
.05
PIOB02 PLATE - Asbestos Insulator
.01
WFOZOO WASHER - Felt
.16/C
XSOZOO REFLECTOR - Strip Ass'y
ZW6A04° CABINET - Mahogany
. .7.00
(Prices subject to change without notice).
r, Subject to excise tax
@John F. Rider
www.americanradiohistory.com
BENDIX PAGE 15-7
MODEL 656.E
BENDIX RADIO DIV.
Preliminary
t LINE VOLTAGE 117 V.A.C. ZERO SIGNAL INPUT
CONDITION OF MEASUREMENTS
VOL. CONT. MIN.
SOCKET RESISTANCE TO COMMON BUS
10% D.C. AT 20,00011/V
A C. AT 1000 A. /V.
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*KI000 A MEASURES WITH V. T.V M. CAPACITY IN MF UNLESS OTHERWISE NOTED.
SI IN RADIO NORMAL POSITION. WAFER VIEWED FROM REAR.
w
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O O/
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Power Voltage Rating, 60 cycles AC Power Consumption-Watts
Tuning Range-Frequency in KCS Intermediate Frequency --KCS Maximum Power Output-Watts
Loud Speaker-PM Cone Diameter-inches
Voice Coil Impedance (ohms at 400 cycles)
105-125 65
535-1725 455
12
6 3.2
Alignment Procedure
Connect line cord plug to 117 volt AC power source. Set volume control at maximum and tone control in radio normal position. Connect output meter across voice coil. Adjust dial pointer by turning tuning control fully counterclockwise and sliding dial pointer on dial cord until it is exactly 2K3" from left end of dial back plate. Make all adjustments in order given in table and for maximum output. Dial pointer position given in inches measured from left hand end of dial back plate. Keep input as low as possible at all times.
Precautions
An isolating transformer should be used between the power supply and the receiver if any of the test equipment is AC operated. The use of isolating capacitors is not recommended as AC through the capacitor may introduce hum modulation, and if the capacitors should break down the test instruments will likely be damaged.
Circuit Aligned
IF OSC RF
Input Frequency
Dial Pointer Position
Adjustments
*455 KC Max. to right C 10b, ClOa C8b, C8a
"1550 KC
7
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'1550 KC
" 965 KC " 580 KC
7
5 %
3146
C3e, C2 Check Calib.
Applied to antenna input through .1 mfd. or less. **Applied to antenna input through 50 mmf. or less.
COPYRIGHT 1946 BENDIX AVIATION CORPORATION
©John F. Rider
Record Changer: General Instrument Model 205
www.americanradiohistory.com
PAGE 15-8 BENDIX
MODEL 656A Preliminary Ì CDELS
BENDIX RADIO DIV.
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www.americanradiohistory.com
BENDIX RADIO DIV.
BENDIX PAGE 15-9
MODELS 676B, -C,6 -li
Ill LINE VOLTAGE
AC.
ZERO 916MAL INPUT
VOL CON. MN.
CONDITIONS SOCKET
D< MEASUREMENTS TO CORON 6NOUND
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540-1620 6-12
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3 2
Alignment Procedure
Connect line cord plug to 117 volt, 60 cycles AC power source. Set volume control at maximum clockwise position and tone control (S2) in counterclockwise (Radio 1) position. Connect output meter across voice coil. Adjust dial pointer by turning tuning control fully counterclockwise and sliding dial pointer on dial cord until it is exactly
2 3/4" from left end of dial back plate. Make all adjustments in order given in table and for maximum output. Dial Pointer Positions given measured from left hand end of dial back plate. Keep input as low as possible at all times. Range switch (S1) in ST'D position
except as noted in table.
Circuit Aligned
IF
Input Frequency * 455KCS
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Adjustments
C20B, C20A C16B,C16A C13 C11, C2 Check Calib. C14 C5 Check Calib.
*Applied to antenna through .1 mfd. or less. **Applied to antenna through 200 mmf. or less. +Range switch (S1) in SW position.
©John F. Rider
Record Changer: General Instrlmlent Model 205
www.americanradiohistory.com
PAGE 15-10 BENDIX M®ELS 676B, -C, -D
I% . . schematics rr
BENDIX RADIO DIV.
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®John F. Rider
www.americanradiohistory.com
B+
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BENDIX RADIO DIV.
611bQ000
BENDIX PAGE 15-11 MmEL 736B
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www.americanradiohistory.com
PAGE 15-12 BENDIX
MODEL 736B
Ilcirdzipece dI,C%ltaliCd rr
BENDIX RADIO DIV.
65K 7 OR 65K7 GT
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©John F. Rider
www.americanradiohistory.com
7
de/mina/jeer
BENDIX RADIO DIV.
BENDIX PAGE 15-13
MODEL 736B
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www.americanradiohistory.com
R8 C12
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PAGE 15-14 BENDIX
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BENDIX RADIO DIV.
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www.americanradiohistory.com
BUICK DIV.-GENERAL MOTORS
BUICK PAGE 15-1
MODELS 980744, 980745
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PAGE 15-2 BUICK
MODELS 980744, 980745
BUICK DIV.-GENERAL MOTORS
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BUICK DIV.-GENERAL MOTORS
ESCUTCHEON CROSS SECTION
51
BUICK PAGE 15-3
M(DEL3 980744, 980745
58
57
TUNER PICTURE
TRANSFORMER CONNECTIONS
GREEN
TO VIB B 21
TO .7, IBA B 28
BROWN
TO Vie a sv
POWER TRANSFORMER
YELL TO GRID 6V6GT,
12 815
CONDUCTOR IN BLACK SLEEVING
TO VOICE COIL
GREEK
TO GRID 6V6GT
AUDIO INPUT CHOKE (B AUTOTRANSFORMER)
AUDIO PACK -
CONDUCTOR IN
RED
BLACK SLEEVING
TO PLATE 6VBGT B COND. B
TO GROUND
AUDIO OUTPUT
TRANSFORMER
DRIVER AND OUTPUT TRANS.
©John F. Rider
www.americanradiohistory.com
PUSH BUTTONS
74 T078 INCL.
MODEL 980744
A PUSH BUTTONS
74A TO 78A INCL.
A
MODEL 980745
PAGE 15-4 BUICK
MODELS 980744, 980745
BUICK DIV.-GENERAL MOTORS
63W
470 MMf.
GREEN TO 6547 PIN Re
BROWN
TO 6547 CATHODE
TO a4 GONDRED .
PIN e6 62 330 MMF.
YELLOW LOCATION DOT
ANT. CHOKE
61
BmLUiEmTeO
R E COIL 50
OSO COIL
49
ANT COIL
48
GREEN TO 6SK7
R.F GRID Pm M
TUNER COILS
66
R.F COND.
I 65
OSO. J GOND.
BLUE TO ANT. SOCKET
ANT COND. 64
Illus. Service No. Parts No.
DESCRIPTION CONDENSERS
Illus. Service No, Parts No.
DESCRIPTION TUNER, DIAL, AND ESCUTCHEON PARTS
7233313 .000047 Mfd. Molded
47 7244052 Tuner Assembly Complete-Model 980744
2 1215188 .000056 Mfd. Molded
47A 7244027 Tuner Assembly Complete-Model 980745
3 7240577 .000120 Mfd. Molded
48 7244056 Antenna Coil Assembly
4 7230893 .000150 Mfd. Molded
49 7244058 Oscillator Coil Assembly
5 7236105 .000220 Mfd. Molded
50 7244057 R. F. Coil Assembly
6 7240566 .000560 Mfd. Mica
51 7255779 Grommet
7 7240566
Ah. for 6 & 7 7255665 8 7236134 9 7240578 10 7230912 II 1208600 12 1211232 13 7230592
.000560 Mfd. Mica .000560 Mfd. Mica-Molded .0015 Mfd. 800 V. Tubular .0025 Ivlfd. 400 V. Tubular .005 Mfd. 600 V. Tubular .01 MEd. 600 V. Tubular .025 Mfd. 400 V. Tubular .05 Mfd. 600 V. Tubular
52 7244034 Spring-Connecting Link
7256014 Iron Core Parts Package
53
Iron Core
54 55
Spring-Core Tension Nut-Core Coupling
56
Washer
57 7240410 Declutching Switch Lever Assembly
7242961 Shaft-Declutching Switch Lever
14 1207908 .1 Mfd. 400 V. Tubular
7242962 Spring-Declutching Switch Lever
15
16 17
18 19
7240579
7236621 7236075 7240612 7238553
.2 Mfd. 400 V. Tubular .5 Mfd. 200 V. Tubular .015 x .015 1500 V. Dual Tubular
-2 Electrolytic Section 20-20 Mfd. 400 V. -3 Electrolytic Section 20.20-20 Mfd. 25 V.
7255698 Retainer Spring 58 7240397 Switch Assembly-Declutching 59 7240396 Drive DrumAssembly 60 7240471 Clutch Assembly Complete
7237174 Universal Joint Spring
62 63
7232957 7238879
.000330 Mfd. Molded .000470 Mfd. Molded
64 7242984 Antenna Trimmer
61 7240251 Antenna Choke Coil
Included in Tuner Assembly Complete
62 63
7232957 Condenser-.000330 Mfd. Molded 7238879 Condenser-.000470 Mfd. Molded
65 7244037 Dual Trimmer
66
7255725
Compensating RESISTORS
20 1213217 100 Ohms Ve W. Insulated
64 7242984 Antenna Trimmer Condenser
65 7244037 Dual Trimmer Condenser
66
7255725 Compensating Condenser 7242167 Cord and Spring Assembly
21 22
23
1213217 100 Ohms Ve W. Insulated
1213217 1213224
100 Ohms 330 Ohms
"' e
W. Insulated W. Insulated
7242168 Cord and Link Assembly 67 7240368 Reset Screw Assembly 68 7241981 Tuning Shaft Assembly
24 1213224 330 Ohms V$ W. Insulated
69 7241966 Escutcheon
25 26
1214572 1214543
330 Ohms 2 W. Insulated 680 Ohms Ve W. Insulated
70 7242981 Dial 71 7240508 Dial Shield
Parts Included in Tuner Assembly Complete, Part No. 7244052, Model
27 1213237 1500 Ohms '% W. Insulated 28 1214573 1800 Ohms 2 W. Insulated
72 7240509 Backplate Assembly 73 7238513 Dial Clamp
980744, Which Are Also Serviced Separately.
29 7237595 15,000 Ohms I W. Insulated
30 31
7.233653 1214550
15,000 Ohms 2 W. Insulated 22.000 Ohms I W. Insulated
74 7242221 Button Assembly "B"
75 76
7242222 Button Assembly "U" 7242223 Button Assembly "I"
32 1213342 27,000 Ohms I W. Insulated
77 7242224 Button Assembly "C"
33 1213844 68,000 Ohms t/r W. Insulated
78 7242225 Button Assembly "K"
34 1214555 220,000 Ohms Vs W. Insulated
7242005 Cord and Spring Assembly
'/ 35
36
1214557 1213282
330,000 Ohms Vr W. Insulated 1 Megohm W. Insulated
7242006 Cord and Link Assembly 67A 7241982 Reset Screw Assembly
37 1213282 I Megohm '% W. Insulated
68A 7241980 Tuning Shaft Assembly
38 1214563 2.2 Megohm t/r W Insulated
69A 7242039 Escutcheon Assembly
MOUNTING AND INSTALLATION PARTS
70A 7244046 Dial
Parts Included in Tuner Assembly
7255666
-2 Control Knob Kit Tuning Knobs
Dial Shield 72A71A 72419877241992 Backplete Assembly
Complete, Par: No. 7244027, Model 980745, Which Are Also Serviced
Dummy Knob
73A 7242093 Dial Clamp
Separately.
Tone Control Knob
-2 Washers -2 Hex. Nuts
74A 7242226 Button Assembly "B" 75A 7242227 Button Assembly "U" 76A 7242228 Button Assembly "I"
1321177
"A" Lead Cable Assembly-Model 980744
77A 7242229 Button Assembly "C"
1321178
"A" Lead Cable Assembly-Model 980745
78A 7242230 Button Assembly "K"
120151
Fuse
TUBE COMPLEMENT
1286759
Static Collector Assembly
1213637
6V6GT
Push-Pull Output
1880659
Generator Condenser
7240267
6ßR7
Detector, A. V. C. and First Audio
1207820
Distributor Suppressor
7237887
6SK7
I. F. Amplifier
1853686 1324056
Suppressor Bracket-R.
Adaptor
H -Model
980744
7237887 7237886
6SK7 6SA7
R. F. Amplifier Oscillator Modulator
1324057
Bracket-L. H.-Model 980744
1323926
Bracket-R. H.-Model 980745
1323927
Bracket-L. H.-Model 980745
1320624
Washer
120380
Lockwasher
120375
Hex. Nut
123291
Screw
39 7240469 MSISpCeaEkLeLr-A8N"EOElUecStroEdLyEnaCmTiRcICAL PARTS
40 7240519 41 7240464
42 7238546 43 7240467
Power Transformer Assembly Audio Pack -Driver and Output Transformer Assembly First I. F. Transformer Assembly Second I. F. Transformer Assembly
7242034 7242035
7238539 7236279
7240408 125588
MISCELLANEOUS PARTS "A" Lead Connector Assembly Antenna Lead Connector Assembly Vibrator Socket
Octal Tube Socket Dial Light Assembly (Includes Dial Lamp)
Bulb-Dial Lamp
44 7241708 "A" Filter Choke
45
8630
46 7241967
46A 7241928
61 7240251
Vibrator-Synchronous Volume & Tone Control with Switch-Model 980744 Volume & Tone Control with Switch-Model 980745 Antenna Choke Coil (Included in Tuner Assembly Complete)
©John F. Rider
www.americanradiohistory.com
BUTLER PAGE 15-1
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©John F. Rider
www.americanradiohistory.com
PAGE 15-2 BUTLER
MODELS N5-RD-250,Chaa.9022N; N5-RD-251,Chaa.9022H
BUTLER BROS.
ALIGNMENT PROCEDURE
1. Remove chassis and loop from cabinet. posite side for convenient B-- location).
Solder approximately Then reinstall chassis
8" of insulated wire and loop in cabinet.
to
any
The
BB-
connection (see voltage chart on lead should extend from under
op. the
chassis at the back.
2. Connect ground lead of signal generator to B- lead.
3. Cunnect output meter across the speaker voice coil (terminals at back of speaker.)
4.
Turn the tuning control knob almost completely withdrawn
clockwise as
from coils).
far as it will go (tuner mechanism is now in maximum open position Dial pointer should then point to 1600 Kc mark on scale. If it is set
with tuning slugs 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
position of the stem
ubnyttuilntiundrgensinisrgeludgthspeocstoiutrinroiennsgpoisncodrnettaorcohlthedek.nopbosNitociltooencsktwhsahitsoewthnarseiandfaeFrdig.asste1 mitbelwiosiwllp,regvoIIens(teDetidtailngfrpsoomainrteemroinvacitnogrr1e6bc0yt0,
a dab of speaker cement at top.
1 MFD.
Condenser
Ungrounded terinfinal of trimmer No. 6 (see Fig. 2 below for loca-
Any point where it
455 BC does not affect the signal.
1-2 3-4
Lion of trimmer.)
2nd I.F. 1st I.F.
Adjust for maximum output. Then repeat adjustment.
300 MMFD. Mica
Condenser
External C Clip on Loop Frame
300 MMFD. Mica
Condenser
External Antenna Clip on Loop Frame
300 MMFD. CoMnd1ecno ser
External Antenna Clip on Loop Frame
300 MMFD Mira
Condenser
External Antenna Clip on Loop Frame
1600 KC
1600 KC
111.00 KC
to 1600 KC
generator signal
1400 KC
to 1400 KC
generator signal
1600 SC
Tune to 1600 KC generator signal
5
Broadcast
Oscillator
Adjust for maximum output.
(Shunt)
6
Broadcast R.F.
Adjust for maximum output.
7
Broadcast Antenna
Ant. coil tuning slug
Adjust for maximum output. Adjust position of slug for maximum output.
tuningAdjust position of slug for
A.F. coil
slug
maximum output.
6
Broadcast R.F.
Recheck adjustment for maxi 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.
AUDIO OSCILLATION
CD
ANT. COIL COIL
OS C. COIL
TOP VIEW OF CHASSIS
FIG. 1
SLUG TUNET. ASSEMBLY (Drive Parts)
117057 Cord (8") 114955 Clip on cord 504012 Spring
ANT. 1600KG
6 ÓKC. R00KC
FIG. 2
The audio system of this receiver
utilizes a two stage type of inverse
teed -back it ever be
arrangement necessary to
and, should 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 it
the teed -back connection is made to
the wrong side of the output trans-
former secondary, the system will
become regenerative instead of de-
generative. Under those conditions
audio oscillation may result. If that
occurs, oscillation may be prevented
by reversing the connections to the
secondary of the output transformer.
APPROXIMATE STAGE GAIN DATA
Be sure R.F. and I.F. taining a tuned and
stages are calibrated
accurately aligned before measuring gain. 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 cork Observe following
precautions: 1. For all gain measurements
connect signal generator as shown. Use 600 KC. signal with 400 cycle modulation (use nearby frequency it local station interferes.)
2.
For R.F. negative
and I.F. measurements connect 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
csuarreefrualdliyo
tuned erator
tsoiggneanl.
(use weak sig-
nal for sharp
tuning.)
4.
Wnehle' n
using type
a "chaninstrument
carefully tune it for
maximum output at
desired frequency be-
fore making measure.
meals,
The R.F. establish
and I.F. stage gains a definite operating
shown point.
below are Therefore,
less than under normal operating these values are not intended to
conditions due to indicate the lull
the use of capability
3 volts fixed of a stage.
bias
in
order
to
...sn
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Differences in tube characteristics, tolerance of parts, adjustment of gain. Accuracy of measurements is dependent upon careful tuning of equipment. These factors may create considerable variation in gain
tuned circuits, and variations receiver to generator signal measurements.
of ins voltage and experience
will influence stage in using your test
©John F. Rider
www.americanradiohistory.com
CADILLAC PAGE 15-1
CADILLAC DIV.-GENERAL MOTORS
MODEL 7253207
Fo -
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www.americanradiohistory.com
PAGE 15-2 CADILLAC MODEL 7253207
CADILLAC DIV.-GENERAL MOTORS
67
12
PARTS LAYOUT-TUBE VIEW
PARTS LAYOUT-CHASSIS VIEW
PUSH BUTTON SET-UP Push button in and latch. Turn button until desired station is brought in. Do not hold button in
beyond normal latching position while adjusting.
ALIGNMENT PROCEDURE Volume Control Maximum. Signal Generator output minimum for satisfactory output indications.
Series Condenser or Dummy Antenna
0.1 Mfd .000070 Mfd .000070 Mfd
Connect To
Pin #8 of 6SA7 Antenna Connector Antenna Connector
Signal Generator Frequency
262 KC 1615 KC 1430 KC
Adjust Screws In Order
ABC D
E
FG
Adjust trimmer G to match car antenna (1430 KC) when radio is installed.
SPECIAL INSTRUCTIONS Alignment of Iron Cores: Tune to stop at H. F. end of dial. Adjust cores H, J and K to extend 13s2"
from end of their coil forms. Adjust trimmers E, F and G (SG at 1615 KC). Adjust cores J and K (SG at 1430 KC). Repeat alignment adjustment of trimmers at 1615 KC. and of cores J and K at 1430 KC.
©John F. Rider
www.americanradiohistory.com
CADILLAC DIV.-GENERAL MOTORS
CADILLAC PAGE 15-3 MODEL 7253207
o
8O
ESCUTCHEON CROSS SECTION
O ISO
OTtex 7:pTe
O 6V6PA©W
zas ,Olo_®r®4o©p;
(VOLTAGE READINGS TAKEN
FROM TUBE SOCKET TERMINALS TO GROUND WITH A D.C. VOLTMETER HAVING RESISTANCE Of 1000 OHMS PER VOLT. BATTERY DRAIN WITH SPEAKER AND DIAL LIGHTS CONNECTED 7.5 AMPERES. .0- DRAIN 45 Y.A. ALL READINGS TAKEN WITH
4.0 VOLTS AT SPARK PLATE.
TUBE SOCKET VOLTAGE CHART
ANT. COIL
TO ANT. TRIMMER G. AND ANT. CONNECTOR (BLUE)
TO GROUND (BLACK)
TO GROUND (BLACK)
TO OSC. TRIMMER E.
COIL
(GREEN)
TO CATHODE 6SAT (BROWN)
R.F. COIL
TO R.F. TRIMMER F. AND GRID 6SA7 (GREEN)
TO *39 AND *9
(ORANGE)
TUNER COILS
r
TO B+
TO DIODE PLATE 16SR7 (GREEN)
(RED) PRI
SEC
TOD
0, +*60 AND
8 CATHODE 6SR7 I(BROWN)
TO PLATE 6SK7 I. F AMP
!BLUE)
L
47M.
TO $43 ANO *60
J( (ORANGE)
SECOND I. F. TRANSFORMER
r
TO PLATE 6SA7
(BLUE)
PRI
TO A.V.C.
=
I(ORANGE)
SEC
TO B+ (RED)
II0 I TO GRID
L-- - ---J16SK7 (I.F. AMP)
(
'(GREEN)
FIRST I. F. TRANSFORMER
COIL CONNECTIONS
TO 6V6GT PLATE
BLUE
TO B+ 111.
RED
413,
4111,
Rl
TO 6V6GT PLATE
TO VOICE BLACK
TO VIBRATOR COIL COIL
TO VIBRATOR CONTACT
BLUE *BLACK
YELLOW
GROUNDED TO BRACKET
BLUE AND RED
OUTPUT TRANSFORMER
TO RECTIFIER PLATE
* TO GROUND
TO RECTIFIER PLATE
GREEN
1
BLK-RED
BROWN 12-.'I
6-111 .5 \
TO SPARK PLATE BLACK
J
POWER TRANSFORMER
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 CADILLAC MODEL 7253207
CADILLAC DIV -GENERAL MOTORS
GENERAL
MOUNTING-All 1946 Cadillac Cars.
TUBES-Seven-6SK7 (2), 6SA7, 6SR7,
6V6GT (2), OZ4.
SPEAKER-8" Dynamic.
TUNING-Manual and 5 P. B.
CAR ANTENNA CAPACITY-.000065 to .000075 Mfd.
TUNING RANGE -550 - 1600 KC.
MODEL 7253207
11
61
69 70
71
72
©John F. Rider
H
K
79
TUNER PICTURE
www.americanradiohistory.com
CADILLAC PAGE 15-5
CADILLAC DIV.-GENERAL MOTORS
M0r1EL 7253207
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CARR-NAGY PAGE 15-3
MODEL 100..62
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OSCILLATOR TRACKING ADJUSTMENT: Set Signal Generator to 6CC kc and connect it to independent loup antenna. Flaco this loop near loop in receiver. Set dial pointer to rß,0 kc on scale. Adjust C-2 for maximum response, while rocking gang condenser each side of frequency.
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www.americanradiohistory.com
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COLONIAL RADIO CORP.
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PAGE 15-2 COLONIAL
YODEL 600 Chrysler MoPar Universal
COLONIAL RADIO CORP
CIRCUIT ALIGNMENT
1. Alignment of I. F. at 455 KC.
(a)
Connect test oscillator of the 6SA7GT tube (see
lead through parts layout
a .1 mfd. - terminal
capacitor to the control "X" on gang capacitor).
grid
(b) Connect ground terminal of test oscillator to set chassis.
(c)
If a conventional output meter is used, or secondary of the output transformer.
connect
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voice coil
(d) Turn volume control to maximum.
(e) Set test oscillator to exactly 455 RC.
(f)
Adjust - Items keeping taining
all of the trimmers on the I. F. transformers 4 and 5) for maximum. These adjustments should be the output of the test oscillator as low as is a. readable indication on the output meter.
(see parts layout made several times consistent with ob-
2. Alignment at 1520 KC.
(a) Leave the test oscillator leads connected the same as for aligning I. F. circuits.
(b) Turn rotor plates of gang capacitor all the way out against the high frequency stop.
(c) Set test oscillator to 1520 KC.
(d) Adjust the oscillator trimmer (see parts layout - Item 25) for maximum output. (It is very important that this frequency be set accurately as a slight missetting will cause the receiver to be out of track over the high frequency end of the dial).
3. Alignment of Antenna Stage.
(a) Remove the signal lead of the test oscillator from the grid of the 6SA7GT tube and connect to the antenna terminal of the receiver through a .00005 mfd. capacitor connected in place of the .01 capacitor previously used. (It is very important that a .00005 mfd. capacitor be used when aligning the antenna stage of these receivers in order that this circuit can be made to track properly.
(b) Set the test oscillator to 1400 KC.
(c) Turn the station selector knob until this frequency is tuned in with maximum output, again keeping the input signal at a low value.
(d) Adjust the antenna trimmer (see parts layout - Item 22) for maximum output. 4. Alignment at 600 KC.
(a) Set the test oscillator at 600 KC.
(b) Turn the station selector knob until the signal from the test oscillator is tuned in with maximum output.
(c) Maintain a low input signal and adjust the oscillator padding capacitor (Item 23) while turning the station selector knob back and forth tuning through the 600 KC signal. This operation should be continued until no further increase
in output can be obtained.
(d) After the above operation, turn the station selector knob until the rotor plates of the variable capacitors are against the high frequency stop. Check the 1520 KC setting and if necessary readjust the oscillator trimmer. Return
to 1400 KC repeating operation 3b, 3c, 3d above.
IMPORTANT NOTE
When the entire alignment procedure has been accomplished accurately, the receiver should be uniformly sensitive over the entire frequency range.
©John F. Rider
COLONIAL RADIO CORP.
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PAGE 15-4 COLONIAL
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MODEL 629
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PAGE 15-8 COLONIAL
MODELS 671,671A Chrya 1 er Ilio Pe.r 601,602
COLONIAL RADIO CORP.
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"A" Battery Voltage 6.0 Volts "A" Battery Current 6.0 Amps. "B" Voltage Supply 240 Volts "B" Current 48 M.A.to 54 M.A.
COLONIAL PAGE 15-9
MODELS 671,671A
COLONIAL RADIO CORP.
Chrysler MoPar
All capacity adjustments, with the exception of the antenna matching capacitor, are carefully made at the factory and should require no further adjustment. The iron cores in the permeability tuning unit are set at the time the receiver is originally calibrated, and are sealed to eliminate possibility of turning due to vibration. No adjustment of these cores should be necessary unless a core or coil must be replaced. If realignment is found to be necessary the circuits can be properly adjusted only with the use of a calibrated test oscillator or signal generator and an output meter using the procedure outlined below.
601,602
1. Alignment of I. F. at 260 KC.
(a) Connect test oscillator lead through a .1 mfd. capacitor to the control grid of the 7Q7 oscillator tube (see parts layout - hot terminal of item 30).
(b) Connect ground terminal of test oscillator to set chassis.
(c) If a conventional output meter is used, connect across the speaker voice coil or secondary of the output transformer.
(d) Turn volume control to maximum.
(e) Set test oscillator at exactly 260 KC.
(f) Adjust padders 4B and 4C on first I. F. transformer and 5B and 5C on second I. F. transformer for maximum output. These adjustments should be made several times, keeping the output of the test oscillator as low as is consistent with obtaining a readable indication on the output meter.
2. Alignment at 1610 KC.
(a) Remove the signal lead of the test oscillator from the grid of the 797 tube and connect to the antenna terminal of the receiver through a .00006 mfd. MICA CAPACITOR connected in place of the .1 mfd. capacitor previously used. (It is very important that a .00006 mfd. mica capacitor be used when aligning the antenna stage of these receivers in order that this circuit can be made to track properly).
(b) Set the test oscillator to 1610 Kilocycles.
(c) Turn station selector knob clockwise to the high frequency stop (1610 KC). Adjust the oscillator trimmer capacitor (see parts layout - item 31) for maximum output. (It is very important that this frequency be set accurately as a slight missetting will cause the receiver to be out of track over the high frequency end of the dial).
(d) Set test oscillator to 1410 KC and tune receiver to this frequency. (Do not, readjust oscillator trimmer).
(e) Adjust the R. F. trimmer capacitor (see parts layout - item 30) for maximum output.
(f) Adjust the antenna trimmer capacitor (see parts layout - item 29) for maximum output.
IMPORTANT NOTE
With the type of permeability tuning employed, the usual low frequency adjustments are not necessary.
When the entire alignment procedure has been accomplished accurately, the receiver should be uniformly sensitive over the entire frequency range.
CIRCUIT PESCRIPTICN Asnecial compensating capacitor in the oscillator circuit miimizes frequency drift due to normal variations in car voltage and temperature. The antenna, high gain radio and oscillator circuits are tuned by varying the inductance of- the coils with special iron corer (permeability tuning). Frequehcy range 540 C. to 1610 KC. The circuit employed is of the conventional sunerneterodyne type with an intermediate frequency of 260 F.C. The triode section of the second detector is a driver resistance coupled tothe 7C5 audio output tube.
PCWER SUP -1,Y The power supply uses a gaseous rectifier tube, 0743, in conjunction with a p'-iriery four prong, plug in, full vava vibret.or.
©John F. Rider
PAGE 15-10 COLONIAL
MODELS 671,671A
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COLONIAL RA MO CORP.
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©John F. Rider
www.americanradiohistory.com
CONCORD RADIO CORP.
L-1
/1 //
KEY
T -I
rIST. IF TRANS.
1
BLUE
GREEN I
T-2
2ND. IF TRANS.
rBLUE
GREEN
40n-
CONCORD PAGE 15-1
MODEL 6D51B,Ch.571; MODEL 6D51I,Ch.571A; MODEL 6D51W,Ch.571B
///// 7 .02 MFD.
KEY
2 2
o o
V
U
R -I
22Mû 15 MEG11
47 MI1
1.12EO
BROWN
2
470 MME
ro-
CHASSIS 500Mí1 C-5
OI
I11
MFD
R-5
6.8
MEG. f1
L-2
T
C-2 .05 MFD.
R-3
*47 MAZDA
DIAL LIGHT
220 MR
C-4 MODEL 571
455 I MFD.
KC F I
20 MFD.
BLACK
117 V. A.C.-D.C.
BLACK
50L6GT 125A7GT I2SK7GT 1250767
C-3
05 MFD.--
35Z5
GT
KEY
7
7
2
7
2
7
C-10
YELLOW
40 MFD
L
35011
FIELD
SP -I SPEAKER
©
SW -1
ALL TUBE SOCKETS SHOWN FROM PIN END VIEW
Parts Layout Chassis Models 571, 571A
and 571B
Symbol l'art No.
C-1 C-2 C-3 C-4 C-5 C-6 C-7, 8 C-9 C-10 L-2 R-1
R-2 R-3
R-4 R-5 R-6, 8
BM78A101 BD210503 BC31B503 BD410104 BD410103 BM78A471 BD410203 C-51155-1 A-8948 B-51159 BR17B223 BR17B156 BR17B224
BR17B335
BR17B685 BR17B474
R-7 R-9
T-1 T-2 SP -1
BR16C151 B-9051-1 B-51010-1
B-51011-1 C-51014
A-2163 A-6158 A-51160-1 B-51162-1 A-51163 B-51177
A-51202 A-51206 B-51330-1
A-51331 C-51335 A-51787
Description
Cap., Mica, 100 mmf. Cap., Paper, .05 mfd., 200 v. Cap., Mold., Paper, .05 mfd. Cap., Paper, .1 mfd., 400 v. Cap., Paper, .01 mfd., 400 v. Cap., Mica, 470 mmf. Cap., Paper, .02 mfd., 400 v. Cap., Variable, 2. Section Cap., Electro., 40-20 mfd., 150 v. Coil, Osc. Assembly Resistor, 22M ohm 1/3 w. Resistor, 15 meg. 1/3 w. Resistor, 220M ohm 1/3 w. Resistor, 3.3 meg. 1/3 w. Resistor, 6.8 meg. 1/3 w. Resistor, 470M ohm 1/3 w.
Resistor, 150 ohm. 1/2 w. Control, Vol. & Sw. 500M ohm. Trans., Assembly, 1st IF Trans., Assembly, 2nd IF Speaker, 5" Dynamic, 350 ohm. Cable, Drive Lamp, Pilot No. 47 Mazda 6.3 v. Cord, AC -DC Line, 6 ft. Shaft, Drive Clip, Spring Brkt. Assy., Dial (571A -571B onlx) Link, Insulating Arm, Dial Drive Channel, Rubber (571 only) Spring, Dial Bracket Bracket, Dial (571 only) Spring, Cable
©John F. Rider.
www.americanradiohistory.com
PAGE 15-2 CONCORD
MODEL 6D51B, Oh. 571; MODEL 6D51I, Ch . 571A; MODEL 6D51W,Ch.571B
CONCORD RADIO CORP.
Frequency Range Intermediate Frequency Power Supply Loudspeaker V.C. Impedance.
Electrical and Mechanical Specifications
540-1600 kc. Power Output (Undistorted)
455 kc.
105-125 volts AC-DC Dynamic
Power Output (Maximum) Tuning Drive Ratio
3.5 ohms at 400 cycles Weight 71/4 lbs. (net)
.75 watts 1.5 watts
3 to 1 10 lbs. (shipping)
1-12SA7GT Oscillator and Mixer tube
1-12SK7GT IF Amplifier tube
1-50L6GT Power Output tube
1-35Z5GT Rectifier tube
1-12SQ7GT Second Detector and First Audio tube
NOTE: The above glass tubes are interchangeable with their metal equivalent.
ALIGNMENT PROCEDURE
The following equipment is necessary to properly align this chassis:
1. A signal generator which will provide an accurately calibrated signal at the frequencies listed.
2. An output meter.
- - 3. A non-metallic screwdriver.
4. Dummy antenna : .1 mfd., RMA loop.
NOTE: Intermediate Frequency and Oscillator adjustments
may be resistor
made with the loop of 10,000 to 50,000
disconnected provided a ohms is substituted to
close the 12SA7GT grid circuit. The loop alignment
must be done with the loop and chassis mounted in
operating position in the cabinet. A single turn loosely
coupled to loop may be substituted for RMA loop.
GENERATOR
IF 455 kc.
1620 kc. 1400 kc.
CONNECTION AT RADIO
12SA7GT grid Through loop Through loop
DUMMY ANTENNA
.1 mfd.
RMA loop
RMA loop
DIAL
HF end HF end
1400 kc.
TO TUNE TRIMMERS
1FCt i EF s
Osc. trimmer B
Ant. trimmer A
REMARKS
Tune to max. Set limit of
band Tune to max.
TUBE
12SA7GT 12SK7GT 12SQ7GT 50L6GT 35Z5GT
SOCKET VOLTAGES
POSITION
Osc. and Mixer IF Amplifier
2nd Det.-1st Audio
Power Output Rectifier
1
2
3
4
5
6
7
8
0 37.5 AC 99
99
4.2
0 24.5 AC
0
0 24.5 AC
0
0
0
99 12.5 AC 99
0
0
0
0
0 83 AC 91.5
99
0
16 12.5 AC
O
0
0 37.5 AC 5.9
0 117 AC 112 AC
O
112 AC
0 85 AC 112
NOTE:
fAsrwollmitcDhCON(v--oBOltF)aFgetsoswmistocechakseu(tr-eBcdo)nwtatiocthtsoainckd1ei0ct0a0cteodon.htmacAtlplienrdAiCvcaotlvet dom.ltaegteers
from are
ON-OFF measured
All voltages are positive DC unless otherwise marked.
Volume control full on.
Line voltage 117 volts AC.
©John F. Rider
www.americanradiohistory.com
CONCORD PAGE 15-3
-/V1_il -11-93w SI £-a .-'1VS'Ae=Q04
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©John F. Rider
www.americanradiohistory.com
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PAGE 15-4 CONCORD
MODELS 6D61B,6D61X, Ch, 579
CONCORD RADIO CORP.
Frequency Range
540-1600 kc. V.C. Impedance
3.5 ohms at 400 cycles
Intermediate Frequency
455 kc. Power Output (Undistorted)
65 watts
Power Supply
105-125 volts AC-DC Power Output (Maximum).
1.4 watts
Loudspeaker
Dynamic Tuning Drive Ratio
6 to 1
1-12SK7GT
RF Amplifier tube 1-12SQ7GT
Detector and ist Audio tube
1-12SA7GT
Converter tube 1-35L6GT
Output tube
1-12SK7GT
IF Amplifier tube 1-35Z5GT
Rectifier tube
NOTE: The above glass tubes are interchangeable with their metal equivalent.
Dial Mechanism
Tube Layout
The following equipment is necessary to properly align this chassis :
1. A signal generator which will provide an accurately calibrated signal at the frequencies listed.
2. An output meter.
- 3. A non-metallic screwdriver.
4. Dummy antenna :.1 mfd. RMA loop.
NOTE: Intermediate Frequency and Oscillator adjustments
may be resistor
made with the loop of 10,000 to 50,000
disconnected provided a ohms is substituted to
close the 12SK7GT grid circuit. The loop alignment
must be done with the loop and chassis operating position in the cabinet. A single
mounted in turn loosely
coupled to loop may be substituted for RMA loop.
CONNECT TEST OSCILLATOR TO
12SA7GT grid 12SK7GT RF grid 12SK7GT RF grid
RMA loop
DUMMY ANTENNA
.1 mfd. .1 mfd. .1 mfd. Through loop
INPUT SIGNAL FREQUENCY
455 kc. 1620 kc. 1400 kc. 1400 kc.
SET DIAL AT
HF end HF end
1400 kc. 1400 kc.
TRIMMERS
DEFG
C B
A
PURPOSE
Align IF Set limit of band
Align RF Align antenna
TUBE
12SK7GT 12SA7GT 12SK7GT 12SQ7GT 35L6GT 35Z5GT
POSITION
RF Amplifier Converter IF Amplifier Detector, 1st Audio Output Rectifier
1
2
3
4
0
50 AC
0
0
0
25 AC 97
97
0
25 AC
0
0
0
0
0
0
0 85 AC 92
97
0
117 AC 112 AC
0
5
6
7
8
0
97 38 AC
97
-6
0 38 AC
O
0
97 12 AC
97
0
30 12 AC
0
0
0 50 AC
5.7
112 AC 0 86 AC 125
NOTE:
All DC voltages
switch (-B) to
measured with socket contact
a 1000 ohm -per -volt meter indicated. All AC voltages
from ON-OFF switch (-B) to socket contact indicated.
from are
ON-OFF measured
All voltages are positive DC unless otherwise marked.
Volume Control full on. No signal.
Line voltage 117 volts AC.
©John F. Rider
www.americanradiohistory.com
CONCORD PAGE 15-5
MODEL 6D61F,Ch,554
T-2 IST IF TRANS
T-3 2ND IF TRANS
mu
220 FAME
C-17 .02 MFD.
L -I
/
L.
TwG .05 MFD.
115 VOLTS
601.
T C-3 .05 MFD.
R-6 22 M Il.
MFD.
0-15.1 MFD.
002 MF C
SW -1
PHONO MOTOR c
CO I YELLOW
PHONO P CK UP
TO ALL HEATER FILAMENTS.
M 44 MAZDA DIAL LIGHT
0-12
C-13
5 MFD. 20 MFD.
JJT T
CHASSIS
G-9
SP -1. SPEAKER
R-9 R-7 C1 G-3
455 KC IF
ALL TUBE SOCKETS SHOWN FROM PIN END VIEW. ALL SWITCHES SHOWN IN COUNTERCLOCKWISE POSITION, SHAFT END VIEW.
Symbol
C-4 C-1, 3, 10 C-11 C-7, 15 C-17 C-6, 8 C-19 C-18 C-5, 9 C-14 R-14 R-2, 8 R-9 R-1, 13 R-5 R-3
R-12 R-7 R-11 R-6 R-4
Part No.
BC31B503 BD210503 BD410103 BD410104 BD410203 BD410503 BD610202 BD610502 BM78A101 BM78A221 BR16E561 BR17B102 BR17B103 BR17B104 B$17B156 BR17B223 BR17B224 BR17B335 BR17B685 BR17E223 BR17G153
A-2163 A-3123 A-9285 A-51160-3 A-51163
Description
Cap., Molded, .05 mfd., 400 v.
Cap., Paper, .05 mfd., 200 v.
Cap., Paper, .01 mfd., 400 v.
Cap., Paper, .1 mfd., 400 v.
Cap., Paper, .02 mfd., 400 v.
Cap., Paper, .05 mfd., 400 v.
Cap., Paper, .002 mfd., 600 v.
Cap., Paper, .005 mid., 600 v.
Cap., Mica, 100 mmf.
Cap., Mica, 220 mmf.
Resistor, Resistor,
560 ohm, 1 1000 ohm,
1w. w.
Resistor, 10M ohm, 1k w.
Resistor, 100M ohm, 1k w.
Resistor, 15 meg., 1 w.
Resistor, 22M ohm, % w.
Resistor, 220M ohm, 1/2 w.
Resistor, 3.3 meg., 1/s w.
Resistor, 6.8 meg., ?'a w.
Resistor, 22M ohm, 1 w.
Resistor, 15M chm, 2 w.
Cable, Dial Clamp, Cable Lamp, Pilot, Mazda No. 44 Cord, Power, 6 ft. Clip, Spring
liY lt®®®®CID® rY'IOCIDIDID® L-3
C-12, 13 C-2 T-1 L-2 SP -1 L-3
T-2 T-3
SW -2 R-15 R-10
A-51356
C-51501-1
C-51502 B-51511 C-51512 B-51522 A-51531 B-51416-2
B-51417-2
B-51591 A-51787 A-51801 B-55300-1 B-55500-1 B-55550-1 B-55575-1
Cap., Electro., 15-20-20 mfd. Capacitor, Variable, 3 -section Transformer, Power Coil, Assembly, RF Speaker, 5" Dynamic, 485 ohm Coil Assembly, Ose. Shaft, Drive Trans. Assembly, 1st IF Trans. Assembly, 2nd IF Spring, Dial Bracket Spring, Cable Rivet, Pronged, 3/32 x 1/8 Channel, Rubber Switch (Radio -Phono) Potentiometer, 500M ohm Potentiometer & Switch, 500M ohm
©John F. Rider
Record Changer: Concord Model 6D3ARC
www.americanradiohistory.com
PAGE 15-6 CONCORD
I
MODEL 6D61P,Ch,554
CONCORD RADIO CORP.
1-6SK7GT 1-6SA7GT
RF Amplifier tube 1-6SQ7GT Converter tube 1-6K6GT
Detector-AVC-lst Audio tube
Power Output tube
1-6SK7GT
IF Amplifier tube 1-5Y3GT
Rectifier tube
NOTE: The above glass tubes are interchangeable with their metal equivalent.
Frequency Range
540-1600 kc. V.C. Impedance
3.5 ohms at 400 cycles
Intermediate Frequency
455 kc. Power Output (Undistorted)
1 watt
Power Supply
105-125 volts, 60 cycle A.C. Power Output (Maximum)
4 watts
Loudspeaker
Electrodynamic Tuning Drive Ratio
43/4 to 1
ALIGNMENT PROCEDURE
The following equipment is necessary to properly align this chassis:
1. A signal generator which will provide an ac- 2. An output meter.
- - curately calibrated signal at the frequencies 3. A non-metallic screwdriver.
listed.
4. Dummy antenna: .1 mfd. RMA loop.
CONNECT GENERATOR TO
6SA7GT grid 6SK7GT RF grid 6SK7GT RF grid
RMA loop
DUMMY INPUT SIGNAL ANTENNA FREQUENCY
.1 mfd .1 mfd
.1 mfd
Through
loop
455 kc. 1620 kc. 1400 kc. 1400 kc.
BAND
Broadcast Broadcast Broadcast Broadcast
SET DIAL AT
HF end HF end
1400 kc. 1400 kc.
a
TRIMMERS
D E FG
C B
A
PURPOSE
Align 1F Set limit of band Align RF Align antenna
POSITION Or ON, DRUM SPORN IVIJICI,ARG. CAPACITOR RNA,
Dial Mechanism
TUBE
6SK7GT 6SA7GT 6SK7GT 6SQ7GT 6K6GT 5Y3GT
POSITION
RF Amplifier Converter IF Amplifier
Detector-AVC-1st Audio
Power Output Rectifier
Tube Layout
1
2
3
4
5
6
7
8
0
0
0
0
0
93 6.3 AC 270
0 6.3 AC 270 113 -7.5
0
0
0
0
0
0
0
0
93 6.3 AC 260
0
0
0
0
0
88 6.3 AC
0
0
0
250 270
0
175 6.3 AC 19
0
310
0
290 AC
0
290 AC
0
310
NOTE: All voltages measured from chassis to socket contact indicated. DC. voltages measured with a 1000 ohm -per -volt meter. All voltages are positive DC unless otherwise marked. Volume control full on. No signal.
Tone Control in clockwise position.
Line Voltage 117 volts AC.
©John F. Rider
www.americanradiohistory.com
CONCORD RADIO CORP.
CONCORD PAGE 15-7 MODEL 6D62W,Ch.572
oY(Çz 97.9
CAI
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©John F. Rider
www.americanradiohistory.com
PAGE 15-8 CONCORD MODEL 6D62W,Ch. 572
dcheonatiatilf
CONCORD RADIO CORP.
P. F. AMP.
Cl
6SK7GT
SW.2
SECT.1R
L4
CONVERTER 6SA7GT T2
EXT. GND
C3 C6A
T CZ
R1
R7
SW.2 SECT. 2R
SW.2 SECT. 2R
R5
R3
B+
AVC,/
Cu
C8T
GANGED
BAND -SWITCH SHOWN
AT 1ST POSITION. SHORT WAVE BAND
6 - 18 MC.
s W.2 SECT. iR
6+
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE.
BROADCAST BAND
540 - 1600KC.
©John F. Rider
www.americanradiohistory.com
CONCORD RADIO CORP.
CONCORD PAGE 15-9 MODEL 6D6217, C h . 572
Frequency Range
540-1600 kc., 6-18 mc. Power Output (Undistorted)
l watt
Intermediate Frequency
455 ke. Power Output (Maximum)
4 watts
Power Supply
105-125 volts, 60 cycle AC Weight 153/.1, lbs. (net)
181/2 lbs. (shipping)
Loudspeaker Type
5" Electro Dynamic Tuning Drive Ratio
6 to 1
V.C. Impedance
3.2 ohms
1-6SK7GT_.___
RF Amplifier tube 1-6SQ7GT
Detector-AVC-Audio tube
1-6SA7GT
____Converter tube 1-6K6GT
Power Output tube
1-6SK7GT _
IF Amplifier tube 1-5Y3GT __
_ .._Rectifier tube
The following equipment is necessary to properly align this chassis:
- A signal generator which will provide an accu- 3. A non-metallic screwdriver.
rately calibrated signal at the frequencies listed. 4. Dummy antenna :.1 mfd. 400 ohm resistor-
An output meter.
RMA loop.
CONNECT TEST OSCILLATOR TO
6SA7GT grid 6SK7GT RF grid 6SK7GT RF grid
Antenna post 6SK7GT RF grid 6SK7GT RF grid 6SK7GT RF grid
RMA loop
DUMMY ANTENNA
.1 mfd. .1 mfd. .1 mfd. 400 ohms .1 mfd. .1 mfd. .1 mfd.
Through loop
INPUT SIGNAL FREQUENCY 455 kc. 18.3 mc. 16 mc. 16 mc. 1620 kc. 1400 kc. 600 kc.
1400 kc.
BAND SET DIAL AT
Broadcast Short wave Short wave Short wave Broadcast Broadcast Broadcast
HF end HF end
16 mc. 16 mc.
HF end
1400 kc.
600 kc.
Broadcast 1400R kc.
TRIMMERS
D E F G C-14
C-9 C-3 C-15 C-10 C-13
C-4
PURPOSE
Align IF Set limit of band
Align RF Align antenna Set limit of band
Align RF Rock gang and adjust to max. Align antenna
F.
q
et
I
1.1
Z
' CCMMI0 Ile C) 0111 11
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le ®
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te
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4) R-4IlD -4 + C 9 L-I
Symbol Part No.
Description
C-5
C-2, 8, 21
C-22
C-7, 24 C-25
C-16, 28
C-1, 27 C-12 C-11, 20 C-23 R-15
R-2, 9 R-10 R-1,14 R-4 R-5 R-3 R-13
R-8
BC31B503
BD210503 BD410103 BD410104
BD410203
BD410503 BD610202
BM58D512
BM78A101 BM78A221
BR16E561
BR17B102 BR17B103 BR17B104 BR17B150 BR17B156 BR17B223 BR17B224 BR17B335
Cap., .05 mfd., 400 v. paper Cap., .05 mfd., 200 v. paper Cap., .01 mfd., 400 v. paper Cap., .1 mfd., 400 v. paper Cap., .02 mfd., 400 v. paper Cap., .Ó5 mfd., 400 v. paper Cap., .002 mfd., 600 v. paper Cap., 5100 mmf., mica Cap., 100 mmf., mica Cap., 220 mmf., mica Resistor, 560 ohm, 1 w. Resistor, 1000 ohm, Y w. Resistor, 10M ohm, l w. Resistor, 100M ohm, % w. Resistor, 15 ohm, % w. Resistor, 15 meg., ifs w. Resistor, 22M ohm, ifs w. Resistor, 220M ohm, w. Resistor, 3.3 meg , l'A w.
f SELEI00
f1 BnND SWrtGN
VOlLO1FrtF
SWITGN'
Jill
F
a,- °-66
C"6C
'DBCY-1w,DDER
6SQ7 G T
2ND IF TRANS
WM
CAPACITOR
C-613O®O OF_
IS IF TRANS.
6SA7 1 , 6SK
GT
0E GT
5Y3 GT
6W R BC R.F. BC OSC. 6.W OBC
Ft LT ER CAPACITOR
POWER TRANS
.
0 lDOY C,4
ANTENN6
PO RCORO
R-16
R-12 R-7 R-6
BR17B474 BR17B685 BR17E223 BR17G153 A-2163
A-9285 A-51160-1 B-51162-3
A-51260
C-18,19,26 A-51356
C-6
C-51401-1
SP -1
C-51413
T-2
11-51416-1
T-3
11-51417-1
C-17
A-51419
L-5
B-51420
T-1
C-51421
L-3
B-51422
L-4
B-51425
C-13
B-51428-5
L-2
B-51430
SW -2
B-51435-1
R-11
B-51445-1
C-9, 10,14,A-51656
15
C-3
A-51657
A-51787
C-4
B-51859-1
Resistor, 4701(I óhm, 1 w. Resistor, 6 8 meg., % w. Resistor, 22M ohm, 1 w. Resistor, 15M ohm, 2 w. Cable, drive Lamp, pilot, Mazda No. 44 Cord, power, 6 ft. Shaft, drive
rin
Shield,tube
Cap., electro., 15-20-20 mfd. Capacitor, variable Speaker assembly, 5 -inch Tràns. assembly, 1st IF Trans. assembly, 2nd IF Cap., electro., 10 mfd., 250 v. Coil assembly, oscillator Transformer, power Coil assembly, antenna loading Coil assembly, RF Capacitor, padder Coil assembly, SW antenna Switch assembly, 2 -band Control, Pot. & switch 500,000 ohm. Cap. assembly, tr;mmer (4) Cap. assembly, trimmer (spec.) Spring, cable
Cap. assembly, Ant.-BC
©John F. Rider
www.americanradiohistory.com
-.
1
www.americanradiohistory.com
THE CROSLEY CORP.
CROSLEY PAGE 15-1 MODELS 46FA,46FB
CHASSIS
414 BA
Ist I F TRANS
6
IOOMME
455 K.C. I F
i EXT
ANT
2 Q
r ANT
COILS
150M 2
25 4.7MEG-
27
VOLUME
CONTROL
MEG 404
nm-
4700-""
»MI
30 I I 15 MFD IT'1178
BAND SWITCH
Vp 4
OSC COILS
re 5 --e1
BANC SWITCH vIEWEU FROM
41SHAFT ENO,SHOWN IN COUNTER- CLOCKWISE,BROADCAST POSITION
B
iIl'
SPEAKER
Type 1A7GT/G 1N5GT, G 1H5GTíG
1A5GT,,G
11
Function
Mixer
I.F. Amplifier
Detector, AVC,
ist A.F. Amplifier
A.F. Power Output
455 KC®
ANTENNA (RED)
FREQUENCY RANGE: American Band, 540 to 1600 kc. (Selector Switch at A.)
Overseas Short-wave Band, 5.8 to 15 mc. (Se-
lector Switch at 0.) INTERMEDIATE FREQUENCY: 455 kc. POWER SUPPLY: Crosley "A-B" Battery Pack,
CR69.
GND.(YELLOW)
- O- OO 2ND. I.F. TRIMMER O- ©- IST I.F. TRIMMER
"OVERSEAS" ANT. TRIM. "AMERICAN" OSC. TRIM.
(î)- ©-"OVERSEAS" OSC. TRIM.
"AMERICAN" ANT. TRIM.
-RED
,-BLACK
BLUE
-YELLOW
VOLTAGE RATING: 11/2 v. "A"; 90 v. "B"
PIN END OF BATTERY PLUG
POWER OUTPUT: 120 mw. minimum.
Speaker mounted on cabinet on Model 46FB
For satisfactory operation it is necessary that an antenna and ground be connected to this receiver.
©John F. Rider
www.americanradiohistory.com
PAGE 15-2 CROSLEY MODELS 46FA,46FB
11 . . dejteenal. ri
THE CROSLEY CORP.
2
1A7GT/G
PRI.
MIXER
I5W.38 o 41A
913
SA
2
13 GANGED
4
SEC.
SW.38
25
8 AVC
ON
9C
12
$1B
BAND -SWITCH SHOWN
AT 1 ST POSITION.
BROADCAST BAND
540-1600 KC.
B+
1A7GT/G MIXER
2
5W.38
15
26
Mti
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE.
SHORT WAVE BAND
5.8-15MG.
5
SEC.
c+
©John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
CROSLEY PAGE 15-3 YODELS 46FA,46FB
n
NOTES:-
I. THESE ARE BOTTOM VIEWS OF SOCKETS.
2 MEASURE VOLTAGES FROM SOCKET LUGS TO CHASSIS l-B,-A,GROUND).
3. THESE VOLTAGES MEASURED USING AN ELECTRONIC VOLTMETER.
SOCKET VOLTAGE CHART
n
4. W.J.- WIRING JUNCTION.
- S. NC NO CONNECTION.
6. SOCKET VOLTAGE TOLERANCE, 10%.
n
GND.-
75-
-4.4-
W J.
I47c'Tj,o GNP.
83-
GT
-W J.
L©'©r0,FL
W1
86 W.J.
NC
0%T GNO
W.J.----D,LQ+Zr.,l
GNo
s7.rG4ITH©SH0' ;=©,-J.
\ 86
I.5
GNO
W.J.
1.5
ONO.
75 44
ALIGNMENT PROCEDURE
1. Turn the tuning condenser to >'he completely closed position against the stop and set the dial pointer to the reference line at the end of the dial scale.
2. Connect the output meter across the speaker voice coil.
3. The r.f. signal input from the signal generator should be connected to the antenna lead (red) as indicated in the alignment chart. Connect the low side (ground) of the signal generator to the chassis.
4. Turn the volume control on full and adjust the signal generator output to produce approximately mid -scale deflection of the output meter, but maintain signal generator output as low as possible to prevent AVC action in the receiver.
Alignment Sequence
Signal Generator Output
Frequency
In Series
in kc,
with
To
Position of
Band Switch
Tuning Dial
Adjust for Maximum Output
1
455
200 mmf.
Ant.
A
1,620
A&B
2
15,300
400 ohms
Ant.
O
16,300
C'
3
15,000
400 ohms
Ant.
O
16,000
D
4
1,620
200 mmf.
Ant.
A
1,620
E
5
1,400
200 mmf.
Ant.
A
1,400
F
NOTE: When aligning the short-wave oscillator trimmer (C), be sure that the circuit is aligned at the correct frequency and not at the image frequency which is 910 kilocycles lower as indicated by the receiver dial. To cheek: Tune in the generator frequency, then increase the generator output and tune in the image frequency. The image frequency should be weaker' than the fundamental and audible 910 kilocycles lower on the receiver dial. If the image cannot be tuned in, the oscillator trimmer is adjusted to the wrong peak; i.e., the oscillator trimmer may be adjustèd to the image or one of the harmonics instead of the fundamental frequency. The correct peak is the second one heard as the trimmer adjustment screw is opened from the completely closed position.
i
©John F. Rider
www.americanradiohistory.com
PAGE 15-4 CROSLEY
MODELS 46FA,46FB MODELS 56FA,56FB
THE CROSLEY CORP
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©John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
CROSLEY PAGE 15-5 MODELS 56FA,56FB
1 5
=A22 MF
A
20 47,0008
40 AT F TRANSF
1 )
1 r
41 2NE I.F TRANSE
10MEGII 22
\36
3B /
3 SMEC 26
29 4700R NIMM
5B
=5MF
BAND CHANGE SWITCH SHOWN IN COUNTER -CLOCKWISE (BROADCAST) POSITION-vEWED FROM SHAFT ENO.
455 BC I. F. FREQUENCY.
43 SPEAKER
For satisfactory operation it is necessary that an antenna FREQUENCY RANGE: American Broadcast . and ground be connected to this receiver. Band, 540 to 1600 kc. (Selector Switch at A.)
Overseas Short-wave Band, 5.8 to 15 mc. (Selector Switch at 0.)
Type 1A7GT/G Mixer
SON SHORT WAVE ANT. TRIM
Function 1©INTERSTAGE TRIMMER (I OSC. TRIMME © SHORT WAVE OSC. TRIMM
THAN
455K
41
1N5GT/G I. F. Amplifier,
'0 1N5GT/G R. F. Amplifier BROADCAST ANT. TRIM
1H5GT/G Detector, AVC
((400 KC) IO
1st A. F. Amplifier
1LB4
A. F. Power Output
©BROADCAST OSC. PADDE
POWER SUPPLY: Crosley "A-B" Battery Pack CR69.
VOLTAGE RATING: 1% v. "A"; 90 v. "B". POWER OUTPUT: 170 mw. minimum.
BATTERY PLUG RED
BLACK
FEBRUARY, 1946
EXT. ANT. (RED) EXT. GROUND (YELLOW)
Speaker mounted on cabinet on Model 56FB
BLUE
YELLOW
PIN END OF BATTERY PLUG
©John F. Rider
For Parts List, see P.15»4
www.americanradiohistory.com
PAGE 15-6 CROSLEY
MCDELS 56FA, 56F5
schematicetlf
THE CROSLEY CORP.
36 PRI.
37
1N5GT R.F. AMR
I
110
IA
22
1A7GT
MIXER
35
5W.42
2
I
1 347-2-
118
^¡"
2
1
40 20
38
SW.42
5W.42
SEC.
39
B+
IC
AVC.
GANGED
i
BAND -SWITCH SHOWN AT 1ST POSITION. BROADCAST BAND
540- 1600 KG.
15A
12
29
158
36
37 SW.42
SWITCH 42
38
\ 1B
1,
1
1A7GT MIXER
27
26
o
SWITCH42
11
GANGED
6 SWITCH42
I 1C
-
BAND -SWITCH SHOWN AT 2ND POSITION CLOCKWISE.
SHORT WAVE BAND 5.8-15MC.
40
20
28 114 SWITCH 42
1
©John F. Rider
www.americanradiohistory.com
38
of
3C
I
r
1
39
15A
29
__L
CROSLEY PAGE 15-7
SOCKET
THE CROSLEY CORP.
VOLTAGE CHART
I. THESE ARE BOTTOM VIEWS OF SOCKETS
MODELS
!R.F. AMPLIFIER GNP Om
G 1G'GND.
2. MEASURE VOLTAGE FROM SOCKET LUG
TO CHASSIS (GROUND).
Nelreo,©1.5
3. THESE VOLTAGES MEASURED USING AN
NO
DET. A.V.C. IST A.F.
ELECTRONIC VOLTMETER.
ere. GN-'J"
GT.
GND.
t8,IGT s1 ity 1.5
4. WJ- WIRING JUNCTION. 5. NC NO CONNECTION. 6. SOCKET VOLTAGE TOLERANCE, 10%.
- POWER OUTPUT
-81-BIW.J.
60 I.F.AMP6LIiFIER W.J.
824 O®`®áQ®O
1 W.J.
W,J.
1 II«k
S.. / 82
GND. 8
TQO GND.
IGT M'
W.J.
MIXER
OM .8 2 G
45;Kee ,f,OGND.
Al
/g IGT
NAM, 76
W.J.
45
82
56FA,56FB
82
1.5
1.5
GND.
15
ND.
1. Turn the tuning condenser to the completely closed position against the stop and set the dial pointer to the reference line at the end of the dial scale.
2. Connect the output meter across the speaker voice coil. 3. The r.f. signal input from the signal generator should be connected to the antenna lead (red) as
indicated in the alignment chart. Connect the low side (ground) of the signal generator to the
chassis.
4. Turn the volume control on full and adjust the signal generator output to produce approximately mid -scale deflection of the output meter, but maintain signal generator output as low as possible to prevent AVC action in the receiver.
Alignment 'Sequence
Signal Generator Output
Frequency
In Series
in kc.
with
To
Position of
Band Switch
Tuning Dial
Adjust for Maximum Output
1
455
200 mmf.
Ant.
A
.1,620
A& B
2
1,620
200 mmf.
Ant.
A
1,620
C
3
600
200 mmf.
Ant.
A
600
D
4
1,620
200 mmf.
Ant.
A
1,620
C
5
1,400
200 mmf.
Ant.
A
1,400
E & F
6
600
200 mmf.
Ant.
A
600
D
7
15,300
400 ohms
Ant.
0
15,300
G*
8
15,000
400 ohms
Ant.
0
15,000
H
* NOTE: When aligning the short-wave oscillator trimmer (G), be sure that the circuit is aligned at the correct frequency and not at the image frequency which is 910 kilocycles lower as indicated by the receiver dial. To check: Tune in the generator frequency, then increase the generator output and tune in the image frequency. The image frequency should be weaker than the fundamental and audible
910 kilocycles lower on the receiver dial. If the image cannot be tuned in, the oscillator trimmer is ad-
justed to the wrong peak; i.e., the oscillator trimmer may be adjusted to the image or one of the harmonics instead of the fundamental frequency. The correct peak is the second one heard as the trim-
mer adjustment screw is opened from the completely closed position.
©John F. Rider
www.americanradiohistory.com
PAGE 15-8 CROSLEY
MCDELS 56TA,56TC,
56TW
37A
EXT. ANT.
ANT. COIL
THE CROSLEY CORP.
Ye y
IsT.I.FTRANS.
.00022
ISo^ .022
key
25 ¶
'MEG- 35A
11- VOLUME
CIRCUIT
.754 BA
1 %
o 1
.aa Qá
OSC. COILS
LM1SS1
77
BAND CHAN3E SWITCH SHOWN IN BROADCAST POSITION
455K.C.IF
i O 12507 12SA
+' +1+,,', ISMf
l' o I 155
FREQUENCY RANGE: American Broadcast
Band: 540 to 1600 kc. (Selector Switch at A.)
2 Overseas Short-wave Band: 5.8 to 15 mc. (Selector Switch at 0.)
RESISTANCE OF SPEAKER FIELD: 450 ohms. INTERMEDIATE FREQUENCY: 4551kc.
SPEAKER FIELD CURRENT: 60 ma.
POWER SUPPLY: a.c-d.c.
VOLTAGE RATING: 105-125 volts.
50L6
GT J./
SSa;
6T
POWER CONSUMPTION: 35 watts nominal.
POWER OUTPUT: 1 watt maximum.
VOLTAGE DROP ACROSS SPEAKER FIELD: 27 volts.
DIAL BULB: Type 47, 6.3 volts, .15 amp.
CHASSIS, SIDE VIEW-
-MODELS 56TA, 56TW, 56TC
(10
©John F. Rider
Type
Function
12SA7 (or GT/G) Mixer
12SK7 (or GT/G) I.F. Amplifier
12SQ7 (or GT/G) Detector, AVC,
ist A.F. Amplifier
5OL6GT
A.F. Power Output
35Z5GT/G
Rectifier
23)
For Parts List, see P.15-13
www.americanradiohistory.com
se/mom/ice
THE CROSLEY CORP.
CROSLEY PAGE 15-9
MODELS 56TA,56TC,
56T71
125A7 MIXER
3
T Ì 39
4 (PRI.)
-12
9A GANGED 40A
28 27
AVC
406
98
SW. 37C
GANGED
BAND -SWITCH SHOWN AT 1 ST POSITION.
BROADCAST BAND 540 -160 0 KC.
5A 9C
40C 23 7-
o o5 W. 37B
29
24
22
B+
14
3 (PRI.)
SW.
37A o- ç
ANT.COIL 27
10
GANGED
40A
T ,26
11
9A
1
,
49BB
-,7
GANGED
I
A VC
SW. 37C
p
`5B
40C
b
a
05C. COIL
BAND -SWITCH SHOWN AT 2ND POSITION
SHORT WAVE BAND 5.8-15MC.
©John F. Rider
www.americanradiohistory.com
I2SA7
MIXER
6
B
= 28 12
- 24 22
B+
-- SW.
376
o o
29
14
PAGE 15-10 CROSLEY
MODELS 56TA,56TC,56TW MODELS 56TA-L,56TC-L,
56T9í-L
THE CROSLEY CORP. MODELS 56TA, 56TW, 56TC
OSCILLATOR GRID VOLTAGES
BAND
FREQUENCY VOLTS
AMERICAN
540 KC -4.6
OVERSEAS
5.7 MC -2.6
I. F. AMPLIFIER
(-B)
CET -AVC-I ST. A. F.
NOTES:
I. THESE ARE BOTTOM VIEWS OF SOCKETS.
t. MEASURE VOLTAGES FROM SOCKET LUGS TO -B
(PIN 3 ON THE 12SK7)
3. THESE VOLTAGES MEASURED USING AN ELECTRONIC VOLTMETER.
4. MJ - MIRING JUNCTION.
* 5. NC - NO CONNECTION.
6.
- 60 CYCLE AC VOLTAGE.
7. SOCKET VOLTAGE TOLERANCE, 10%
'0,t.L4 RECTIFIER 117*
115
112*
92
©ww.41 WJ
WJ
112
POWER OUTPUT
:36.85O,iT©, 90
NC
:1 5 0 L6
0,©=4y, WJ
5.5
ALIGNMENT PROCEDURE
MODELS 56TA, 56TW, 56TC
-MODELS 56TA-L, 56TW-L, 56TC-L
1. Turn the tuning condenser to the completely closed position against the stop and set the dial pointer to the reference line at the end of the dial scale.
2. Connect the output meter across the speaker voice coil.
-B 3. The r.f. signal input from the signal generator should be connected to the external antenna lead.
Connect the signal generator ground through a 0.1 mfd. condenser to
(pin 3 on 12SK7 tube
socket Models 56TA, 56TW, 56TC) (pin 4 on 14A7 tube socket Models 56TA-L, 56TW-L, 56TC-L).
4. Turn the volume control on full and adjust the signal generator output to produce approximately mid -scale deflection of the output meter, but maintain signal generator output as low as possible to
prevent AVC action in the receiver.
Alignment Sequence
Signal Generator Output
Frequency in kc.
In Series with
To
Position of
Band Switch
Tuning Dial
Adjust for Maximum Output
1
455
200 mmf.
Ant.
A
1,620
A&B
2
15,300
400 ohms
Ant.
O
15,300
C
3
15,000
400 ohms
Ant.
O
15,000
4
1,400
200 mmf.
Ant.
A
1,400
D
E&F
NOTE: When aligning the short-wave oscillator trimmer (C), be sure that the circuit is aligned at the correct frequency and not at the image frequency which is 910 kilocycles lower as indicated by the receiver dial. To check: Tune in the generator frequency, then increase the generator output and tune in the image frequency. The image frequency should be weaker than the fundamental and audible 910 kilocycles lower on the receiver dial. If the image cannot be tuned in, the oscillator trimmer is adjusted to the wrong peak; i.e., the oscillator trimmer may be adjusted to the image or one of the harmonics. instead of the fundamental frequency. The correct peak is the second one heard as the trimmer adjustment screw is opened from the completely closed position.
©John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
CROSLEY PAGE 15-11
MODELS 56TÁ L,56TC.L,
56TW-L
37A
3
r 9
ANT. COI L
eo r IsT.I.F.TRANS. 125 1 /O« 13
t4eQañ! 10 9A
5e 3
22
.022 N
.022
24
" 14
s- VOLUME
.022
CONTROL
21-1-
I
^"w
5085
14A7
9e _37c
SS
9C
40C
371
0-75/ 5A
o 23-wv
ao2
d oJ
OSC. COILS
BAND CHANGE SWITCH SHOWN
IN BROADCAST POSITION.
.. INTERMEDIATE FREQUENCY: 455 kc.
POWER SUPPLY: a.c.-d.c.
ll
2
VOLTAGE RATING: 105-125 volts.
POWER CONSUMPTION: 35 watts nominal.
POWER OUTPUT: 1 watt minimum.
VOLTAGE DROP ACROSS SPEAKER FIELD: 27 volts.
RESISTANCE OF SPEAKER FIELD: 450 ohms.
DIAL BULB: Type 47, 6.3 volts, .15 amp.
I 1 1
111815:
, eISM
e_.
RANGE: American Broadcast
Band, 540 to 1600 kc. (Selector Switch at A.) Overseas Short-wave Band. 5.8 to 15 mc. (Selector Switch at 0.)
50A5
® OSCILLATOR GRID VOLTAGES
BAND AMERICAN
FREQUENCY VOLTS
550 KC
- 4.6
OVERSEAS
5.8
-2.8
I.F. AMPLIFIER
I -BI
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NOTES
I. THESE ARE BOTTOM VIEWS OF TUBE SOCKETS.
2. MEASURE VOLTAGES FROM SOCKET LUGS TO
-B(PIN 40N THE 14871.
3. THESE VOLTAGES WERE MEASURED USING AN
ELECTRONIC VOLTMETER.
4. W.J.- WIRING JUNCTION.
5. N.C.- NO CONNECTION.
- 6. 41
60 CYCLE A.C VOLTAGES.
7. SOCKET VOLTAGE TOLERANCE, 10%.
--e
OVERSEAS ANT TRIMMER (IO)
i
©John F. Rider
www.americanradiohistory.com
DCAST ANT. MMER (39)
BROADCAST OSC.
TRIMMER (23)
OVERSEAS OSC. TRIMMER (9G)
For Alignment,see P.15-10 For Parts List, see P015...13
PAGE 15-12 CROSLEY
MODELS 56TA,-L,56TC-L, 56T91 -L
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THE CROSLEY CORP.
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SHORT WAVE BAND 5.8-15MC.
©John F. Rider
www.americanradiohistory.com
CROSLEY PAGE 15-13
MODELS 56TA,56TC,56T1f
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THE CROSLEY CORP.
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www.americanradiohistory.com
PAGE 15-14 CROSLEY
MCOEL 56TX
THE CROSLEY CORP.
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FREQUENCY RANGE: American Broadcast
Band, 540 to 1600 kc. (Selector Switch, Counterclockwise or Left.)
Overseas Short-wave Band: 5.8 to 15 mc. (Selector Switch, Clockwise or Right.)
INTERMEDIATE FREQUENCY: 455 kc.
POWER SUPPLY: a.c d.c.
VOLTAGE RATING: 105-125 volts. POWER CONSUMPTION: 35 watts nominal.
POWER OUTPUT: 1.5 watts minimum.
DIAL BULB: Type 47, 6.3 volts, .15 amp.
OVERSEAS SHORTWAVE OSCILLATOR TRIMMER OVERSEAS SHORTWAVE ANTENNA TRIMMER
©John F. Rider
TUBE COMPLEMENT:
Type
Function
12SA7 (or GT G) Mixer
12SK7 (or GT G) I.F. Amplifier
12SQ7 (or GT G) Detector, AVC, 1st A.F. Amplifier
50L6GT
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35Z5GT G
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EXTERNAL ANTENNA
AMERICAN BRY34tpCAST ANTENNA TRIM 58m.,i
AMERICAN BROADCAST OSCILLATOR TRIMMER
www.americanradiohistory.com
dcheonat. ii
THE CROSLEY CORP.
CROSLEY PAGE 15-15
MCDEL 56TX
12SA7
MIXER
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©John F. Rider
www.americanradiohistory.com
0
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PAGE 15-16 CROSLEY
MODEL 56TX
THE CROSLEY CORP.
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www.americanradiohistory.com
39 sl F TRA
CROSLEY PAGE 15-17 MODELS 66CA,66CP,66CQ
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EXTERNAL ANT. EXTERNAL GND
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RED a BL
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©John
F.
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Record Record
Changers for Model 66CP:Seeburg Model H and Gen.Inst Model Changer for Model 66CQ: Gen.Instrtnent Model 204
204
www.americanradiohistory.com
PAGE 15-18 CROSLEY
MODELS 66CA,66CP,66CQ MODELS 66TA,66TC,66TV7
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THE CROSLEY CORP.
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THE CROSLEY CORP.
CROSLEY PAGE 15-19 MODELS 66CA,66CP,66CQ
ALIGNMENT PROCEDURE
Turn the tuning condenser to the completely closed position against the stop and set the dial pointer to the reference line at the end of the dial scale.
Connect the output meter across the speaker voice coil. The r. f. signal input from the signal generator should be connected to the external antenna post as in-licated in the alignment chart. Connect the low side (ground) of the signal generator to the chassis. Turn the volume control on full and adjust the signal generator output to pro luce approximately midscale deflection of the output meter, but maintain the signal generator output as low as possible to prevent PVC action in the receiver.
Alignment Sequence
Signal Generator Output
FreqquencyY in kc.
In Series With
To
Position of
Band Switch
Tuning Dial
Adjust for Maximum Output
1
455
200 mmf.
Ant.
A
1620
A &B
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455
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3
15,300
400 ohms
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15,000
400 ohms
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0
15,000
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5
1620
200 mmf.
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1620
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6
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200 mmf.
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600
200 mmf.
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A
600
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1400
200 mmf.
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1400
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SOCKET VOLTAGE CHART
N CTE'.
OSCILLATOR GRID VOLTAGES
BAND AMERICAN OVERSEAS
FREQUENCY
550 NC 543MC
VOLTS
APPRO%.12.0 APPROX. 1.3
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6.3
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NOTES -
I. THESE ARE BOTTOM VIEWS OF SOCKETS
CHASSIS.TRANSFORMER 2. MEASURE VOLTAGES FROM SOCKET LUG TO
POWER
3. THESE VOLTAGES MEASURED USING AN ELECTRONIC VOLTMETER.
4. WJ-WIRING JUNCTION -
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O IQo/ OUTPUT~
GT/G
,©i©j OÓ d010e 250
13.5
o..o ©..o
5. NC -NO CONNECTION.
* 6. - 60 CYCLE AC VOLTAGE.
MIXER R.F. AMPLIFIER
RECTIFI ER
SEE NOTE
O 3.
eliMieZP
019311>
WJ 320*
340 Arm% WJ
BO
©Q Q© Q© ©o ...Q
265
QIó6SA7 To
,r©Lee ..o
5*
No0.1.0o e
CO
.
0
200
6.3
340 320*
©John F. Rider
www.americanradiohistory.com
PAGE 15-20 CROSLEY MODELS 66CA,66CP,66CQ
THE CROSLEY CORP.
FREQUENCY RANGE: American Broadcast Band, POWER CONSUMPTION: 60 watts maximum.
540 to 1600 kc. (Selector Switch at A.)
POWER OUPUT: 4.5 watts minimum.
Overseas Short-wave Band.
Switch at 0.)
5.8 to 15 mc.
(Selector VOLTAGE 76 volts.
DROP
ACROSS
SPEAKER
FIELD:
INTERMEDIATE FREQUENCY: 455 kc. POWER SUPPLY: 60 cycle a. c. only.
RESISTANCE OF SPEAKER FIELD: 900 ohms. DIAL BULB: Type 51, 7.5 volts, .25 amp.
VOLTAGE RATING: 105-125 volts.
PARTS LIST-MODELS 66CA, 66CP, 66CQ
Figures in first column correspond to figures in Schematic Diagram.
.r-
Item No.
1
2 3 4 5 6 ' 7 11 12 14 15 16 17 18
19 20 21 22 23 24 25 26 27 30 32 33 34 35 ;.6 37A 37B 38A 38B 38C 38D
39 40 41
42 43
44 45 46
47
48 49
51
52A 52B
53
Part Number
39281-16 39281-21 39016-38 39281-33 39040-13 39281-33 39281-28 39281-23 39281-29 39015-19 39281-22 39281-35 39281-21 39281-25
39004-9 39004-9 3900141 39004-9 39001-65 39004-5 39001-11 39001-37 39004-9 39001-11 W-30805 39001-11 39001-61 39004-5 GC -210685-143 B-134995
B-132807
AW-134065 AW-134158 B-134625
W-43567 W-43567
B-135651 B-135859 W-132267-1
B-132300-1
39019-3 39019-3
W-134968-1
B-134639
AW-135907
Description
Item Part Number
Description
Resistor, 3300 ohm, !.1 w.
54
Resistor, 22,000 ohm, !/ w.
Resistor, 12,000 ohm, 2 w.
55
Resistor, 2.2 megohm, ? z w.
57
Resistor, 1,000 ohm, 1 w. Resistor, 2.2 megohm, ? 2 W.
58
Resistor, 330,000 ohm, 12 w.
62
Resistor, 47,000 ohm, !,2 w.
63
Resistor, 470,000 ohm, ! í w.
64
Resistor, 330 ohm, 1 w.
Resistor, 33,000 ohm, ! 2 w.
Resistor, 4.7 megohm, ! 2 w.
Resistor, 22,000 ohm, ! o w.
Resistor. 100,000 ohm, ! z w.
Condenser, 220 mmf., 500 v., Mica Condenser, 220 mmf., 500 v., Mica Condenser, .05 mfd., 400 v., Paper Condenser, 220 mmf., 500 v., Mica Condenser, .05 mfd., 200 v., Paper Condenser, 50 mmf., 500 v., Mica Condenser, .005 infd., 600 v., Paper Condenser, .01 mfd., 400 v., Paper Condenser, 220 mmf., 500 v., Mica Condenser, .005 mfd., 600 v., Paper Condenser, .01 mfd., 400 v., Paper Condenser, .005 mfd., 600 v., Paper Condenser, .01 mfd., 200 v., Paper Condenser, 50 mmf., 500 v., Mica Condenser, 580 mmf., 300 v., Mica Condenser (variable) 1 Two Condenser (variable) 'Section Condenser, 20 mfd., 360 w.v. 1 Four Condenser, 20 mfd., 275 w.v. ! Section Condenser, 20 mfd., 245 w.v. Elect. Condenser, 20 mfd., 25 w.v.)Í Filter
Transformer (1st I. F.) Transformer (2nd I. F.) Transformer (Power)
Bulb (Dial Light, Type 51, 7.5 v., .25 amp.) Bulb (Dial Light, Type 51, 7.5 v., .25 amp.)
Control, Tone (3 megohm) Control, Volume (1 megohm) & Switch Condenser (Trimmer)
Cable and Plug (Power)
Terminal Board Assembly Terminal Board Assembly
Socket (Speaker)
Switch (Band Change) Two Switch (Band Change) (Section
R. F. Coil Assembly
AW-135908
i
AW-135909 AW-135910 B-134700 B-132386-7
G-39012-8 G-39204 39017-3 AW-134793 B-134571 W-134667
W-51752 W-134917 W-51071
W-134916 W-132366-2
I
39196-29 W-134055 R-135237 R-134957 R-134350 C-134773 AC -135299 AC -134782 AC -135100 D-134945-1 D-135039 AB -134935
W-134959 W-135128 W-130197 W-135248 W-45056 W-45580
W-136539
Oscillator Coil Assembly
Antenna Coil Assembly Antenna Loading Coil Assembly
Speaker
Condenser (Trimmer) Three ,
Condenser (Trimmer) Section Condenser (Trimmer) Assembly
Core (Iron)
Socket (Tube) Socket (Dial Light)
Dial Face Assembly
Pointer (Dial)
Clip (Dial Pointer)
Spring (Dial Cord)
Shaft (Drive)
Ring (Retaining)
Washer (Spring)
Nut (Iron Core Locking)
Screw (Dial Mtg.)
Grommet (Variable Condenser Mtg.) Cabinet (66CA) Cabinet (66CP) Cabinet (66CQ)
Lens (Dial)
Antenna Loop Assembly (66CA) Antenna Loop Assembly (66CP) Antenna Loop Assembly (66CQ)
Record Changer (66CP) Record Changer (66CQ)
Floating Jewel Needle Assembly (66CP, 66CQ)
Cable, Phono (66CP) Cable, Phono (66CQ)
Knob (66CA, 66CQ) Knob (66CP)
Rubber Rubber
Mtg. Mtg.
(66CA, 66CQ Chassis (66CA, 66CP, 66CQ
Mtg.)
Speaker Mtg., 66CP Chassis Mtg.)
Lid Support, Cabinet (66CP, 66CQ)
©John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
CROSLEY PAGE 15-2 MODELS 66TA, 66TC, 66T9i
LOOP
e
o 0O O 1 H
BAND SWITCH SHOWN IN PROMO POSITION. BANO SWITCH SEQUENCE, CLOCKWISE ROTATION, IS PHONO, BROADCAST, SNORT WAVE
O
=2
.01
-OO
OCO
43
5SOCKETPE4KER
0
SPEAKER PLUG PIN END VIEW
61
PART OF 45
FREQUENCY RANGE: American Broadcast POWER CONSUMPTION: 60 watts maximum.
Band: 540 to 1600 kc. (Selector switch at A.) POWER OUTPUT: 4.5 watts minimum.
Overseas Short-wave Band: 5.8 to 15 mc. (Se VOLTAGE DROP ACROSS SPEAKER FIELD:
lector switch at 0.)
76 volts.
INTERMEDIATE FREQUENCY: 455 kc.
RESISTANCE OF SPEAKER FIELD: 900 ohms.
POWER SUPPLY: 60 cycle a.c. only.
DIAL BULB: Type 51, 7.5 volts, 0.2 amp.
VOLTAGE RATING: 110-120 volts.
September, 1945
I.F. AMPLIFIER
260 AUDIO OUTPUT
250
©John F. Rider
NOTES
I. THESE ARE BOTTOM VIEWS OF SOCKETS.
2. MEASURE. VOLTAGES FROM SOCKET LUG TO CHASSIS.
3. THESE VOLTAGES MEASURED USING AN ELECTRONIC VOLTMETER.
4. WJ- WIRING JUNCTION.
5. NC - NO CONNECTION.
* 6.
- LC CYCLE AC VOLTAGE.
POWER TRANSFORMER
MIXER R.F. AMPLIFIER
RECTIFI ER
WJ
-9.4
WJ 320*
6.3*
80
13.5
265
80
Socket Voltage Tolerance: 10'i?
3*
For C1e.rified schematics, see P.15-18
www.americanradiohistory.com
PAGE 15-22 CROSLEY MODELS 66TA,66TC,66TW
THE CROSLEY CORP.
-iiiiiiiniäiiiaiiiiiiillia 1MMISI
`f '
OSCILLATOR TRIMMER
AMERICAN
a QSC-64
wavE TRAP
C
62
OVERSEAS ANT.IM. 63
\ 455 KC cA
2ND. i F.
;
g
r
TRANS.
LLL
40
t
4) a
'
4 5 5 KC' _
ff
1
IST. I.F.
«
TRANS.
r
39
'
4 c c .4 .3e..1 GROUND:. EXTERNAL ANT.
EXTERNAL
11
G
AAMNETR. ICTARNIMMBAENRD
46
wtt f{e¡fi X
SPEAKER PLUG (REAR VIEW OF
WIRES PLUG)
BROWN
ORANGES YELLOW
RED S SLAG
BLUE
CHASSIS, REAR VIEW - MODELS 66TA, 66TW, 66TC
Alignment Sequence
1
:3
4 5 6 7
Signal Generator Output
Frequency
in kc.
In Series with
455
200 mmf
Ant.
455
200 mmf
Ant.
15,300
400 ohms
Ant.
15,000
400 ohms
Ant.
1620
200 mmf
Ant.
1400
200 mmf
Ant.
600
200 mmf
Ant.
Position of
Band Switch
A A
0 0
A A A
Tuning Dial
1620 1620 15,300 15,000 1620 1400 600
Adjust for Maximum Output
A &B C* D E
F
G H
*Adjust for, minimum output (wavetrap).
TOTE : When aligning the short-wave oscillator trimmer (D) , be sure that the circuit is aligned a F t:he correct frequency and not at the image frequency which is 910 kilocycles lower as indicated b t:he receiver dial. To check: Tune in the generator frequency, then increase the generator output and t une in the image frequency. The image frequency should be weaker than the fundamental and audible 9 10 kilocycles lower on the receiver dial. If the image cannot be tuned in, the oscillator trimmer is a djusted to the wrong peak; i.e., the oscillator trimmer may be adjusted to the image or one of the
armonics Instead of the fundamental frequency. The correct peak is the second one heard as the rimmer adjustment screw is opened from the completely closed position.
©John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
ALIGNMENT PROCEDURE
CROSLEY PAGE 15-2 MODELS 66TA,66TC,66TPi
Turn the tuning capacitor to the completely closed position against the stop, and set the dial pointer to the reference line at the end of the dial scale.
Turn the tone control to the high or treble position.
Connect the output meter across the speaker vqice coil.
The r.f. signal input from the signal generator should be connected to the external antenna post. Connect the signal generator ground to the chassis.
Turn the volume control on full, and adjust the signal generator output to produce approximately mid-scale deflection of the output meter, but maintain signal generator output as low as possible to prevent AVC action in the receiver.
CHASSIS PARTS
MECHANICAL PARTS
Item
No.
Part No.
Description
Item No.
Part No.
Description
1 39281-16
Resistor, 3,300 Ohm, % W.
W-47577
Cable Lock Plate
2 39281-21
Resistor, 22,000 Ohm, % W.
AW-134807 Dial Face Assembly
3 39016-38
Resistor, 12,000 Ohm, 2 W.
W-51752
Dial Cord Spring
4 39281-33
Resistor, 2.2 Megohm, % W.
B-134571
Dial Pointer
5 39040-13
Resistor, 1,000 Ohm, 1 W.
G-39012-8 Iron Core
6 39281-33
Resistor, 2.2 Megohm, % W.
W-132366-2 Locking Nut
7 39281-28
Resistor, 330,000 Ohm, % W.
W-134667 Dial Pointer Clip
11 39281-23
Resistor, 47,000 Ohm, '/z W.
39017-3
Dial Light Socket
12 39281-29 14 39015-19 15 39281-22
Resistor, 470,000 Ohm, % W.
j Resistor, 330 Ohm, 1 W.
Resistor, 33,000 Ohm, W.
G-39204 39196-29
W-46662
Tube Socket Screw, Dial Mounting Palnut á8-32
16 39281-35
Resistor, 4.7 Megohm, % W.
W-134055 Grommet
17 39281-21
Resistor, 22,000 Ohm, % W.
B-234896
Transformer Shield
18 39281-25
Resistor, 100,000 Ohm, % W.
W-134917 Drive Shaft
19 39004-9
Condenser, 220 mmf., Mica
W-51071
Retaining Ring
20 39004-9
Condenser, 220 mmf., Mica
W-134916 Spring Washer
21 39001-41
Condenser, .05 mfd., 400 V., Paper
22 39004-9
Condenser, 220 mmf., Mica
23 39001-65
Condenser, .05 mfd., 200 V., Paper
24 39004-5
Condenser, 50 mmf., Mica
25 39001-11
Condenser, .005 mfd., 600 V., Paper
26 39001-37 27 39004-9
Condenser, .01 mfd., 400 V., Paper Condenser, 220 mmf., Mica
CABINET PARTS
30 39001-11
Condenser, .005 mfd., 600 V., Paper
32 W-30805 33 39001-11
34 39001-61
Condenser, .01 mfd., 400 V., Paper Condenser, .005 mfd., 600 V., Paper Condenser, .01 mfd., 200 V., Paper
Item No.
Part No.
Description
35 39004-5
Condenser, 50 mmf., Mica
36 GC -210685-143 37A B-134995
37B 38A D-132807
38B 38C 38D 39 AW-134065 40 AW-134158 41 B-134625
42 W-43567 43 W-43567 44 B-135651 45 B-135859
46 W-132267-1
47 B-132300-1 48 39019-3 49 39019-3
51 W-134968-1
Condenser, 580 mmf., Mica JVariable Condenser ;Variable Condenser Condenser, 20 mfd., 360 W.V. Four Condenser, 20 mfd., 275 W.V. Section Condenser, 20 mfd., 245 W.V. Elect. Condenser, 80 mfd., 25 W.V. Filter 1st I. F. Coil Assembly 2nd I. F. Coil Assembly Power Transformer Dial Light, Type 51, 7.5 V.,-0.2 Amp. Dial Light, Type 51, 7.5 V., 0.2 Amp. Tone Control, 3 Megohm Volume Control (1 Megohm) and Switch Condenser (Trimmer) Cable and Plug Terminal Board Assembly Terminal Board Assembly Speaker Socket
R-134592 AW-134737 R-135025 AC -134673
AC -134672 C-132688 W-132709 W-132766 W-130197 W-134635 W-136630 W-132124 39220-38
W-45580 W-133584
Plastic Cabinet-Brown (66TA) Plastic Cabinet-Ivory (66TW) Wood Cabinet (66TC) Antenna Loop and Back Assembly (66TA,
66TW) Antenna Loop and Back Assembly (66TC) Dial Lens (66TA, 66TW, 66TC) Grille Cloth (66TA) Grille Cloth (66TW) Knob (66TA, 66TC) Knob (66TW) Trimount Stud (66TA, 66TW) Trimount Stud (66TA, 66TW) Screw Mounting- 8 x 11/4 Hex. Hd. (66TA,
66TW, 66TC) Rubber Mounting (66TC) Rubber Washer (66TA, 66TW Chassis
Mtg.)
52A B-134639 f Two Section Band
52B
Change Switch
53 AW-135907 R. F. Coil Assembly
54 AW-135908 Oscillator Coil Assembly
55 AW-135909 Antenna Coil Assembly
56 C-135374
Speaker
57 AW-135910 Antenna Loading Coil Assembly
62 B-132386-7 (Three Section
63
1 Trimmer
64
Condenser
Figures in first column correspond to figures in Schematic Diagram
©John F. Rider
www.americanradiohistory.com
PAGE 15-24 CROSLEY
MODEL 106CP
THE CROSLEY CORP.
a ;1;
C
r`:
--1
7i
000000
-b.o.o
i +
o0oo04.
©John F. Rider
69
J
k:
Record Changer: Seeburg Model L
www.americanradiohistory.com
`\
' ' dá3/fG/liati/cd //
THE CROSLEY CORP.
CROSLEY PAGE 15-25
MODEL 106CP
90-91. 92
SW.58A FRONT 8
80
5S$WA.
REAR 12
23
3 11 Sw:
S8C FRONT
21
84
SW.49 t6DEP.
5W.49
*6 DE P.
BAND -SWITCH SHOWN AT 1ST POSITION.
PUSH BUTTON TUNING
(NO.6 BUTTON DEPRESSED)
1000-1620 KC.
65A7
CONVERTER
83
8+
28
4 6.38
90-91-92
7
SW.58A FRONT
65K7
R.F. AMP.
5W.58A REAR,
3 2 X22
21
63A
GANGED
/
/
BAND -SWITCH SHOWN
AT 2ND POSITION CLOCKWISE.
J
BROADCAST BAND
540-1600 KC.
83
SW. 58C FRONT
8g11
63C
65A7 CONVERTER
3
AVC
To
1_' 5W.58B
REAR
28 81
63B
62A
SW.588 FRONT
©John F. Rider
www.americanradiohistory.com
PAGE 15-26 CROSLEY
MODEL 106CP
11
dejteme;iici ir
THE CROSLEY CORP.
80-91.92
SW.58A FRONT
59C
FRONT
23
SW.58C._
I
o 11... 11 II
6. 63C
/ /
AVC
/
5W588
REAR
GÁNGED
28
65A7
CONVERTER
83
T27
12. 588
FRONT
B+
61C
BAND -SWITCH SHOWN AT 4TH POSITION CLOCKWISE.
SHORT WAVE BAND
5.8- 18 MC
, 638
.16-91-92
SW.58A FRONT
10 6 59B
SW. 58C 23
jyrH FRONT
63C
/ / /
GANGED
AVC
24T
SW.58 REAR
11°
ly 8
28
65A7
CONVERTER
4
BAND -SWITCH SHOWN AT 3RD POSITION CLOCKWISE .
POLICE BAND
2.2 - ()MC.
638
\J
©John F. Rider
www.americanradiohistory.com
83
19 2
B+
THE CROSLEY CORP.
CROSLEY PAGE 15-2 MODEL 106CP
ALIGNMENT PROCEDURE
Turn the tuning capacitor to the completely closed position against the stop, and set the dial pointer to the reference line at the end of the dial scale. Set the tone control buttons all the way out.
NOTE: If the chassis is removed from the cabinet, connect the shorting bar from the volume control (67A) to the coupling capacitor (34) on the tone unit socket.
Connect the output meter across the speaker output transformer connections on the 6K6 tubes. The r. f. signal input from the signal generator should be connected as indicated in the alignment, chart. Connect the low side (ground) of the signal generator to the chassis. Turn the volume control on full and adjust the signal generator output to produce a noticeable output meter reading.
Alignment Sequence
1
2 3 4 5 6 *7 8
Signal Generator Output
Frequency
in kc.
In Series With
To
455 1400 1400 600 6500 6000 18,300 18,000
200 mmf. 200 mmf. 200 mmf. 200 mmf. 400 ohms 400 ohms 400 ohms 400 ohms
Rear Gang Section Ext. Ant. Ext. Ant. Ext. Ant. Ext. Ant. Ext. Ant. Ext. Ant. Ext. Ant.
Position of
Band Switch
Tuning Dial
American BC Fully Open American BC 1400 American BC 1400
American BC 600
Police
Fully Open
Police Overseas Overseas
6000
Fully Open
18,000
Adjust for Maximum
Output
57 R 83 62-A 60--AR64 81 62-B 60-B 62 C 60-C
The American Broadcast Band must be aligned with the loop antenna connected. *NOTE: When aligning the short-wave oscillator trimmer (62C), be sure that the circuit is aligned at the correc frequency and not at the image frequency which is 910 kilocycles lower as indicated by the receiving dial. To check tune in the generator frequency, then increase the generator output and tune in the image frequency. The imag frequency should be weaker than the fundamental and audible 910 kilocycles lower on the receiver dial. If th image cannot be tuned in, the oscillator trimmer is adjusted to the wrong peak; i. e., the oscillator trimmer may b adjusted to the image or one of thé harmonics instead of the fundamental frequency. The correct peak is the secon one heard as the trimmer adjustment screw is opened from the completely closed position.
60-A R.F. 60-B ANT.
6o c ANT.
0
6J 4%*'
/E
LOOP EXT.
GND. EXT. ANT.
62-C J{.
81 05C. /
44
PAD.A
NT.
6 62-A
O5C.
t /` or
I. F.
I
01C1o1l
O
,
W 0
0000 o 8331.1F'F.
Z
.
NOTES I TORE SOCKETS ARE BOTTOM VIEWS. 2 MEASURE VOLTAGES FROM SOCKET LUG TO
4 VOLUME CONTROL FULL ON, NO SIGNAL INWT S WJ-WIRING JUNCTION , NC -NO CONNECTION 6 R -AC VOLTAGES
GIASSIS_
3 VOLTAGES AS MEASURED VOLTMETER
DET-AVC-I5T AF
WITH AN ELECTRONIC
7 VOLTAGE TOLERANCE, 10%
R LINE VOLTAGE -117V ,60 1, AC
O
GRRRIID VOLTS
'g?v2e ÉAS1KC7 T erg t- 'oo
1
_.,9,,,c190 pvEREASwñx_=é
"Es
~7p1
RECTIFIER
n-
"C
w A
\ OTC ra.!
1I
4i00,1
to., ©J
FAQILW' ,e
RR
\J4Q3,74 %
QQ 1 6!
1/" 504K]fHetl GT
nl©yI
"065K7(>
,\aewr,
MC
Iii© ,.\ . rll
eo -
;qlw/ ..d,
p IteQOM
GSaTATeQe tO"al
-
.3
R.F
/"A AMPLIFIER
K I7
1ADVOI
r0 .ti
310-2-
RIA
PHASE INVERTER
I F AMPLIFIER
CONVERTER
PUSH PULL AMPLIFIER TUBES
POWER
5KT.s I Co.,.f©+.lhQ SPK.
HIGH SIDE
p,..l7_rrM6 70
i7L `,71 a.i
, a.fr!M0
ól
,\fir,rRC
T RC
70
170- ,,,e1r,
ló.. vlI " loCt `7.,....
GNO.
fir,©mo.,oi
J r©10ó, w.!
J r©I°:,J a!
X43,
- ,r©:2J
TRANSFORMER
@John F. Rider
www.americanradiohistory.com
PAGE 15-28 CROSLEY
MODEL 106CP
THE CROSLEY CORP.
Each of the six push buttons, for automatic tuning, has two adjusting screws by which it may be set to any nearby American broadcast station whose frequency in kilocycles is within the kilocycle range covered by that button. To gain access to these screws, carefully pry off the push button cover.
To set the top push button to a desired position, proceed as follows : 1. Turn the ANTENNA ADJ. SCREW clockwise until moderately tight, then turn the
OSCILLATOR ADJ. SCREW counter -clockwise until the threaded portion extends approximately inch.. Use a small screw -driver and do not exert pressure. 2. Turn the band selector switch to the "AMERICAN" position and manually tune in the station to which the push button is to be set. The frequency of the station selected must be between 540 and 900 kilocycles. Carefully adjust the tuning control to the point of clearest reception. 3. Turn the band selector switch to the "AUTOMATIC" position and slowly turn the OSCILLATOR ADJ. SCREW clockwise until the same station is heard. Adjust the screw for the maximum volume. 4. Adjust the ANTENNA ADJ. SCREW for the maximum volume. 5. Turn the band selector switch from "AUTOMATIC" to "AMERICAN" and back again to check if the adjustment has been correctly made. There should be no change in tone quality when switched from one to the other. 6. Place the tab with the call letters of the station, to which the push button has been set, in a celluloid "V" and slide it into the button from the side. 7. The remaining push buttons may be set in a similar manner. No adjustment of master tone control push buttons is required.
oscIuue .w. sews.
Item No.
2 3 4 5 6
7 8
9 10 1l 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40
42 43
.44 *45
46 47
48
Part No.
39281-33 39281-33
39281-31
39281-31 39281-23 39281-23
39281-29 39281-37 39281-28 39281-28 39281-28 39281-16 39281-22
39281-15 39281-24
39281-11 39281-7 39244-19 39016-33 W-132458 B-226638-53 B-226638-54 39001-73 '39004-7 G-131502-20 GC -210685-171 39001-41 GC -210685-168 39001-65 39001-39 W-30605 39001-73 39001-12 39001-39
39001-39
39001-39 39001-13 39001-10 39001-10 39281-27
39001-10 39001-10 39001-10
39001-11 AG -132437-5 AW-135072 AW-134088 AW-132427
554109 5555525346
AW-134087 AW-134091
AW-134090
AW-134231 AW-134230 AW-134089 AW-134092 AG -132437-2
57
58A 58B 58C
59A 59B 59C
60A
60B 60C 61A 61B 61G 62A 62B 62C
AW-134066 B-134054
AW-135031 B-132386-5 AW-135033 B-132386-5
DESCRIPTION
Item No.
'/ Resistor, 2.2 megohm, w.
63A
Resistor, 2.2 megohm, '/ w.
63B
Resistor, 1.0 megohm, % w.
63C
Resistor, 1.0 megohm, '/t w.
64
Resistor, 47,000 ohm, '/, w.
65
Resistor, 47.000 ohm, (4 w.
66
Resistor, 470,000 ohm, '/s w.
67A
Resistor, Resistor,
13030t,0n0e0gohomhm%,'w/ .w.
67B 68
Resistor, 330,000 ohm, '/t w.
69
Resistor, 330,000 ohm, '/, w.
70
Resistor, 3,300 ohm, '/t w.
71
Resistor, 33,000 ohm, 1/2 w.
72
Resistor, 2,200 ohm, % w.
73
Resistor, 68,000 ohm, 1/2 w.
74A
/ Resistor, 470 ohm, %¡ w.
Resistor, 100 ohm, w.
74B 74C
Resistor, 330 ohm, 2 w.
75
Resistor, 4,700 ohm, 2 w.
76
Resistor, 4,000 ohm, 3 w.
77
Condenser, 50 mmf., 500 v., Ceramic
78
Condenser, 75 mmf., 500 v., Ceramic
80
Condenser, 250 mmf., 500 v., Paper
81
Condenser, 100 mmf., 500 v., Mica
82
Condenser, 680 mmf., 400 v., Silver, Mica
83
Condenser, .0082 mfd., 300 v., Mica
84
Condenser, .05 mid., 400 v., Paper
85
Condenser, .0033 mfd., 500 v., Mica
86
Condenser, .05 mfd., 200 v., Paper
87
Condenser, .022 mfd., 400 v., Paper
88
Condenser, .01 mfd., 400 v., Paper
89
Condenser, 250 mmf., 500 v., Paper
90
Condenser, .0075 mfd., 600 v., Paper
93
Condenser, .022 mfd., 400 v., Paper
*94
Condenser, .022 mid., 400 v., Paper Condenser, .022 mfd., 400 v., Paper Condenser, .01 mfd., 600 y., Paper Condenser, .0033 mfd., 600 v., Paper Condenser, .0033 mfd., 600 v., Paper Resistor, 220,000 ohm, % w. Condenser, .0033 mfd., 600 v., Paper
9999*987695
110010
Condenser, .0033 mfd., 600 v., Paper
Condenser, .0033 mfd., 600 v., Paper
Condenser, .005 mfd., 600 v., Paper
Cable & Plug Assembly (Tone Control Unit)
Switch & Bracket Assembly (P.B. Tone Contro )
Tone Control Push Button Unit
Switch, Bracket & Trimmer As' y( P.B. Sta. Selector)
Station Selector Push Button Unit Oscillator Coi (1000 to 1620 kc.) P.B. No. 6 Oscillator Coi ( 880 to 1500 kc.) P.B. No. 5 Oscillator Coi ( 750 to 1300 kc.) P.B. No. 4 Oscillator Coi ( 680 to 1150 kc.) P.B. No. 3 Oscillator Coi ( 590 to 1000 kc.) P.B. No. 2 Oscillator Coi ( 540 to 900 kc.) P.B. No. I Cable & Plug Assembly( Station Selector, P.B. Un t)
Transformer (2nd I.F.) Switch (Band Change) i Three
"PPaarrtt
of of
Item Item
48 49
Switch (Band Change) 1( Section
Switch (Band Change) Assembly
Coil, R.F. (B.C.) ) Three
Coil, Ant. (Police) I Section
Coil, Ant. (S.W.) l Assembly
Condenser (Trimmer) Three
Condenser (Trimmer) Section
Condenser (Trimmer) Assembly
Coil, Oscillator Three
Coil, Oscillator Section
Coil. Oscillator Assembly
Condenser (Trimmer) Three
Condenser (Trimmer) Section
Condenser (Trimmer) Assembly
Part No.
B-135036
Part of Item 63A W-47133 B-135049 B-132299-3
D-134946-1 C-132300-1 W-43567 W-43567 GC -131880-7 W-134968-1 W-134999
B-135018 W-135174 39019-2 39019-3 AW-135028 W-49652-3 W-132303 AW-135024 Part of AW-132427 Part of AW-132427 Part of AW-132427 Part of AW-132427 Part of AW-132427 Part of AW-132427 AC -135157 39281-31 39281-27 39001-11 G-39012-7 G-39012-7 G-39012-7 G-39012-7 G-39012-7 G-39012-7 W-132366-2 G-39204 AW-135042 W -51752 AW-134979 AB -135052 AW-135053 W-49829 B-134572 W-134064 W-134977 39017-3 W-134055 R-135022 AD -134762 C-134929 C-134745 B-134763 B-134764 B-134765 B-134766 B-134767 B-134768 B-134769 W-134074-3 W-134951 W-45580 W-132322 W-132323 AB -134935 W-135129 W-132434-3 W-134140-1
DESCRIPTION
Condenser (Variable) l Three
Condenser (Variable) J}Section
Condenser (Variable) Assembly
Condenser (Trimmer)
Socket (Station Selector Unit)
Switch (Radio-Phono.)
Control, Volume (1 megohm)
Switch, Power
5 Assembly
Record Changer
Cable and Plug (power)
Bulb (Dial) Type 51, 7.5 v., .25 amp.
Bulb (Dial) Type 51, 7.5 v., .25 amp.
Speaker
Socket (Speaker)
Condenser, 20 mfd., 400 w.v. Three
Condenser, 20 mfd., 300 w.v. Section Elect
Condenser, 20 mfd., 25 w.v. Filter Transformer (power)
Cable and Plug (Phono.)
Terminal Board (Phono.)
Terminal Board (Antenna)
Coil (Antenna Loading)
Condenser (Padder)
Socket (Tone Control Unit)
Transformer (1st I.F.)
Condenser (Trimmer)
Condenser (Trimmer)
Condenser (Trimmer)
Condenser (Trimmer)
Condenser (Trimmer)
Condenser (Trimmer)
Antenna Loop Assembly
Resistor, 1.0 megohm, '/r w.
Resistor, 220,000 ohm, % w. Condenser, .005 mfd., 600 v., Paper
Iron Core (P.B.Osc. Coils)
Iron Core (P.B. Osc. Coils)
Iron Core (P.B. Osc. Coils)
Iron Core (P.B. Osc. Coils)
Iron Core (P.B. Osc. Coils)
Iron Core (P.B. Osc. Coils)
Locking Nut (P.B. Iron Cores)
Socket (Tube)
Face (Dial Assembly)
Spring (Drive Cord)
Flywheel Adapter Assembly
Toggle Arm & Link Assembly (Phono. Switch)
Toggle Arm & Link Assembly (Band Switch)
Spring (Lock)
Pointer (Dial)
Clip (Dial Pointer)
Shaft (Drive)
Socket Assembly (Dial Light)
Grommet
Cabinet
Dial Glass and Escutcheon
Plate (R.H. Push Button)
Plate (L.H. Push Button)
Button, Tone (2 Bass)
Button, Tone (1 Bass)
Button, Tone (3 Bass)
Button, Tone (3 Treble)
Button, Tone (I Treble)
Button, Tone (2 Treble)
Button (Station)
Knob (Large)
Knob (Small)
Grommet
Spring, Chassis Mtg. (Top) Spring, Chassis Mtg. (Bottom)
Needle, Floating Jewel Assembly Screw (No. 10-24x21/4 Hex. Hd. Pilot Pt. Mach.)
Call Letter Sheet
Call Letter Cover
@John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
470., 24
i21- .05
CROSLEY PAGE 15-29 MODELS 56PA,56PB
6'1 1000 MF
130
075
4
38
er
39
A-
ec
37 188688010
T 43
COL
436®
Is 3.3 REG "1.
36
IjD I.F. TRANS.,
4SA MEG.
VOLUME CONTROL
.001
'e]l]L.LT-.
32 .0I
1
40MF
14
.0033
15
.0033
9QSi9QS2.QS2. °
458
23
-..- 05
- SPEAKER
FIELO
4014
INTERLOCK SWITCH
IF PEAK 455 KC
SCHEMATIC DIAGRAM-MODELS 56PA and 56PB
SOCKET VOLTAGE CHART
OSCI LLATOR
o
GRID VOLTAGE
FRED. VOLTS
540 KC -12.5
I.F. AMP4LIFIER
540 KC A-13.0
3.0
82.8
01Ò9 60.nI
90 882
1e1t ,414' 48 Aso
NOTES. I. THESE ARE BOTTOM VIEW OF TUBE SOCKETS. 2 MEASURE VOLTAGES FROM SOCKET LUGS TO
B -(LUG NO.7 ON 11726 SOCKET.) 3. THESE VOLTAGES WERE MEASURED USING
AN ELECTRONIC VOLTMETER.
4. W.J.- WIRING JUNCTION.
- 5. N.L. NO CONNECTION.
- 6. 8 VOLTAGES MEASURED WITH RADIO
823.0
8
DET - AVC
IST A.F. AMP.
_02244
POWER
25
IQT©, 286 B
Q0®/0 1.5
A841
,N,teat" 81.4
OUTPUT 0.4
'--0 4.0
0 Qm,òe080
®Q
RECTIFIER
N.0
115
10©,17©f01 11726 31
y° 191'o©,i
6105
PLUGED INTO 117 V -
LINE.
- 7
60 CYCLE A.C. VOLTAGE.
8.
ALL OTHER OPERATION
VOLTAGE TAKEN POSITION WITH
IN BATTERY
"A' 7.6 VOLTS.
"B= 90 VOLTS.
9. SOCKET VOLTAGE TOLERANCE 10%.
82.8
63
864
October, 1946 ©John F. Rider
www.americanradiohistory.com
PAGE _15-30 CROSLEY MODELS 6PÁ,56
RED WIRE BLUE WIRE "B" BAT. PLUG
39
THE CROSLEY CORP.
WIRE TO EXTERNAL ANT. TERMINAL SCREW INSERT POWER PLUG'IN THIS ECE TACLE FOR BATT=r'Y OPERATION. BLUE WIRE "A" BAT. PLUG 40 BLACK WIRE
I. F. TRANS. 35
B.C. OSC. TRIMMER
O B.C. ANT.
TRIMMER
IRS
INTERLOCK SWITCH
2
CHASSIS VIEW-MODELS 56PA and 56PB ALIGNMENT PROCEDURE
1. Turn the tuning condenser to the completely closed position against the stop and set the dial pointer to the reference line at the end of the dial scale.
2. Connect the output meter across the speaker voice coil. 3. Connect the high side of the signal generator to the external antenna wire of the loop, that connects to the
terminal screw on the bottom of the cabinet, as indicated in the alignment chart. Connect signal generator
ground through a O. 1 mt. condenser to B-. (No. 1 pin on 1R5 tube).
4. Turn the volume control on full and adjust the signal generator output to produce approximately mid -scale deflection of the output meter, but maintain signal generator output as low as possible to prevent AVC action in the receiver.
Signal Generator Output
Alignment Sequence
Frequency in KC
In Series with
Position of
Adjust for Maximum
To
TuningC Dial
Outout
1
455
200 mmf.
Ant.
1620
A &B
2
1620
200 mmf.
Ant.
1620
C
3
1400
200 mmf.
Ant.
1400
*D
*NOTE: Batteries should be placed against battery stop in front half of cabinet when making loop alignment to avoid error due to capacity effect of batteries. If receiver is to be used on AC or DC only (without batteries) it will be necessary to realign loop adjustment "D" for maximum output, after batteries have been removed.
P -
©John F. Rider
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CROSLEY PAGE 15-31
2ODELS 56PA,56PB
THE CROSLEY CORP.
>,
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M..-M..M'iMcMpM^McNl.-M-ir fc>DMcN.M-MictOiA,.MCM, M.NjMM.MM. óÓÓO,ÑMNMTUt`UtY-i
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vpwww4ÉEEMZ $°e000Êáóó?'ÉEÉE$°Ñé..
Ac-ó'óaó r'r: .r.-4 q q óóccco Q , L9i'E,NOmrq»vtqiiitqioeqa,mp mq q%qorq~,Nq pú,R,m"Rórca,»:MEMr'CEr0OE :0Ec0:o0aoa:or0:,cwo0riaó'rôN:ócr.î;òó.g.acbeaariór aó' srq.;ó'imqóCóo,Er'waov`', ovwam`B"o,.
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c,in -cmM-MpmtOtpmMPic=Mo=MMc=Mc=MtmlmMMmMMmMM=P=]msMmÑáUÓÑcMc=Ms33ic3~cMOtcMiJ`NMMNMNC<iMO<oN.Mcc<g
MCM .-.NCONti00MOor.NMr[CDl00TCOVNcVÑÑNNNNNMMMCMOMM77cM
©John F. Rider
www.americanradiohistory.com
-AGE 15-32 CROSLEY MODELS 56TG,56TH,56TJ 56TG--O, 56TH-0.56TJ-0
THE CROSLEY CORP.
3-4 ANT PLATE
o-_I ENT.
ANT.
0033
36
200 IO NAO
ANT TUNING
GORE
<gOp
PERM.
ANT COIL
23
.w,,
S MEG ./1
VOLUME CONTROL
SO45 1447
.022 22
3?
10
O SG. TUNING
CORE
455 KG. I.F.
OSC. SHUNT
COI L
OS
2
329
96 1407
209
SO NE D,
J'20C
30 YED. / 1
33
35
P.N. SPEAKER
CHASSIS
3-4 ANT
PLATE
o-- EK
4NTT-
0033
SCHEMATIC DIAGRAM-MODEI 56TG, 56TH, 56TJ (LOCTAL)
ANT TUNING
GORE
10
OSC.
TUNING CORE
OSC. SHUNT
COIL
329
455 KC. I.F.
September, 1946
CHASSIS
SCHEMATIC DIAGRAM-- MODEL 56TG-O, 56TH -O, 56TJ-O (OCTAL)
©John F. Rider
3'4 ANT
o-PLATE
T
'AANZTT. 0033
9 ANT TUNING CORE
CROSLEY PAGE 15-3J MODELS- 56TG-M, 56TH-M, 56TJ-It`.
THE CROSLEY CORP.
Ist lF TRANS
05 2
2nd I.F TRANS.
130
"20A
10112
22 022 MF
25 32 A MEG..
3
VOLUME CONTROL
IO
a osS
TUNING
GORE
455 KC. I.F.
OSE SHUNT
COI L
37 47+L
12A6
OR 12006
NEATER CNCL47
3
4
J'2oC
501040
30 1910.
12 ATO
129E9
35
SPtAAEA 329
I Ur. . 15 I
SCHEMATIC DIAGRAM-MODEL 56TG-M, 56TH-M, 56TJ-M (MINIATURE)
THE AROTE OSGLLATOII SRUR GOD. IS USED IN THE FAST PNOO1CTION SOKLS IT IS MONIED ON THE
RENIIEARNTT TUNER AND vies AN AD.MTANL IRON CONE 'C' IS NOT ORED RITA A MENTOR OR AN
OCTAL TURF
TINA OACNIATOI CANT COK IS USED M THE
SSCOUO PROOLTIOU MOONLS IT IS MOUNTED ON
M REAR OF THE PENMEAIKIT TURKO AMI DOES
NOT USE M ADJUST/MA IRON CONE "0' II MT
OSLO NTH A MNATUNE ON AA OCTAL TURN
TRR OSCILLATOR ,WART COO. IS USED IN THE
MNANO RACOuLTNON MOOELS
It IT
MOIRTEO GARDEN
CRASSO ANO DOEt NOT USE AN ADAUSTAOIL
MOW COR ..C" IS NOT SAM WITH A NNIATNNE
OI AN OCTAL TIRE
OSCILLATOR SHUNT COIL CHARTS
To check circuits and parts find the socket in the preceding SCHEMATIC DIAGRAMS which correspond to the
socket in the radio. Connection "G" is used only on 3rd production sets. To check circuit, choose the circuit (which corresponds to the radio being serviced) from the 3
the oscillator circuits shown
shunt coil
above.
©John F. Rider
PAGE 15-34 CROSLEY
MODELS 56TG,56TH,56TJ
1st, 2nd Production 3rd Production
THE CROSLEY CORP.
CHASSIS SIDE VIEWS
ANTENNA PLATE
PE RME ABILIT TUNING ANTE
PERM TUNING OSCILL CORE ADJUSTMENT
PERMEABILITY TUNING OSCILLATOR
COIL
PERMEABILITY TUNING ANTENNA
COIL
56TG, 56TH, 56TJ-1st and 2nd Production
*The second production models do not have an Oscillator S hunt Core. The alignment procedure is identical to the 3rd production procedure.
PERM TUNING
ANTENNA CORE ADJUSTMENT
PERM. TUNING OSCILLATOR CO ADJUSTMENT
PERM. TUNING OSC. COIL
P RM. TUNING ANTENNA COIL
CONNECT EXTERNAL
ANTENNA TO FAHN-
STOCK CLIP OF ANTENNA
ON BACK PLATE
NOTE:
CHASSIS SHOWN WITH
56TJ-3rd OSCILLATOR TRIMMER
ANTENNA TRIMMER
56TG, 56TH,
153 B ANTENNA PLATE 153A 8 15313 CHASSIS ALIGNMENT IDENTICAL
Production
The tube numbers 1, 2, 3, 4, 5, which are not circled in the above charts, correspond to the tube numbers in the first column of the TUBE COMPLEMENT COMPARISON CHART shown on page 1.
©John F. Rider
www.americanradiohistory.com
THE CROSLEY CORP.
á ÿ
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CROSLEY PAGE 15-35
MODELS 56TG, 56TH, 56TJ.
56TG-0, 56TH-0, 56TJ-0,
56TG-14i, 56TH -M, 56TJ-M
7
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ti
©John F. Rider
AGE 15r.'ODELS 56TG, 56111,561'J,
56TG-O,56TII-0,56TJ40,
56TG-M,56TH-M,56TJ-M
THE CROSLEY CORP.
SOCKET VOLTAGE CHARTS
IiI DEL- AVC-
AF. AMPLIFIER
12 7n`
©eeroti6
MIXER
%-824
83
12 A
QQ 1407
OSCILLATOR GRID VOLTAGE
BAND FREQUENCY
rAUERIcAN 550 KC
-8V.O4LTS
*36
110
O,O.y,3' ,`^y +^ 8
SEAS
`y' 4.5 eel.i.
j! iti_OV,(
NC.
,, II
}B6©©;`OA4`.5
'
83
47e4D.Z
114Q©
L J. ©
cr1:3
W`..b.J1.-17 114.5 %-M._Ot,W, /
W.J.
F7ll,
POWER OUTPUT
RECTIFIER
I.F AMPLIFIER
NOTES:
I. THESE ARE BOTTOM VIEWS OF TUBE SOCKETS. 2. MEASURE VOLTAGES FROM SOCKET LUGS
TO-B(PIN 4 ON THE I4A7)
3. THESE VOLTAGES WERE MEASURED USING AN ELECTRONIC VOLTMETER. NG JUNCTION
-60 6. 31C
1CYYCLE A.C. VOLTAGES
7. SOCKET VOLTAGE TOLERANCE, 10%.
8. SOCKET VOLTAGES MEASURED USING 117
VOLTS, 60 CYCLE LINE VOLTAGE.
56TG, 56TH, 56TJ (LOCTAL)
DET- A.V.C.- I ST A.F. AMPLIFIER
MIXER
Vie do ot
tó ó moo .Dyj
ova.%
:.5 tcIIt.O1j15f.7dß,m.&Ì
e109114111
/0.111114
Win%
et" iirr YC YJ 4104(A l©A . A©y©,(s-)
' ' e' ,Q--et© 'tI® b2Te
eo ,1
36T5
1~ H8 113117
i©t1118.36e©,biQO'(M
1s
11
at
POWER OUTPUT
RECTIFIER
I. F. AMPLIFIER
56TG-O, 56TH -O, 56TJ-O (OCTAL)
NOTES:
I. BOTTOM VIEW OF SOCKETS.
2. MEASURE VOLTAGEE?).FROM SOCKET LUGS TO B- (PIN 3 ON TAG IYMEA).
3. W.J.:WIRS
AN ELECTRONIC VOLTMETER.
INGS JUNCTION
' 5. N.C. : NO CONNECTION
6.
a 60 CYCLE A.C. VOLTAGES.
7. SOCKET VOLTAGES MEASURED USING II7 VOLTS, 60
CYCLE POWER SUPPLY.
8 SOCKET VOLTAGE TOLERANCE 101.
L1` T. - AVC-1ST A.F AMPLIFIER
,12 AT603.,
Q 4.8r162 ,
^A , `'36
12
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COCONVERTERKT.
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BE 6`O
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NOTES:
I. Ties re bottom vows or tone sockets.
í. Miasore volt
trop socket I to -B
(Pin 2 on tree I2 M6 or 12806).
3. Thee voltages were lrsswea with an electronic voltmeter.
93 `teN7t'8 `O=© .2Y
Junet ion
5. M.L. - Ib rCo/Nrct ian.
NC.
'117
B3
36
' 6. - 60 CYc ie A.C. Voltage
POWER OUTPUT
RECTIFIER
I.E. AMPLIFIER
lit 7. Socket Voltage Tolerance IOU
8.
7 SVafitxt Vollaoas (leas
age. (
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6VO Cpteln7wl
56TG-M, 56TH -M, 56TJ-M (MINIATURE) NOTE: To check voltages, find the socket in the above charts which corresponds to the socket in the radio.
©John F. Rider
THE CROSLEY CORP.
SLEY PAGE 15 MODELS 56TG,56TH,56TJ 56TG-O,56TH-0,56TJ-O, 56TG-M, 5 6TH-M, 5 6T J-M
FREQUENCY RANGE: 540 to 1600 Kc. INTERMEDIATE FREQUENCY: 455 Kc. POWER SUPPLY: a.c.-d.c.
VOLTAGE RATING: 105-125 volts. POWER CONSUMPTION: 35 watts nominal. POWER OUTPUT: 1.75 watts minimum.
PARTS LIST
MODEL 56TG, 56TG-O, 56TG-01234, 56TG-M, 56TG(M12), 56TG-O(M12), 56TG(M12)034 MODEL 56TH, 56TH -O, 56TH -01234, 56TH -M, 56TH (M12), 56TH-O(M12), 56TH(M12)034 ,
MODEL 56TJ, 56TJ-O, 56TJ-01234, 56TJ-M, 56TJ (M12), 56TJ-O(M12), 56TJ (M12)034
Figures in first eolumn correspond to figures in Schematic Diagram
ITEM No.
PART No.
DESCRIPTION
ITEM
PART No.
1 W-48858 2 C-132300-1 3 AW-136476 4 AW-136574 5 AW-136438 6 AW-136657 7 *AW436658
7 *AW-137532
7 *ÁW137720 8A W-136699 8B 9 G-39012-49 10 G-39012-49 11 *G39012-48
11 39294-27
12 AW-137658 13 AW-137667 14 *B-226638-53
15 39001-65 16 39001-105 17 39001-10
18 39001-73 19 39001-63 20A B-136769 20B 20C 21 39001-65 22 39001-63 23 39294-38 24 39294-21 25 39294-34 26 39294-35 27 39294-29 28 39294-29 29 39294-8 30 39294-8 31 39015-26 32A C-135127
32B 33 B-136768 35 B-135077 36 *3900140
Bulb (dial), Type 47, 6.3 v., 15 amp. 37
Cord and Plug (Power)
Ant. Plate (56TJ Series)
38
Ant. Plate (56TG, 56TH Series)
39
Coil, Ant. Tuning
Coil, Osc. Tuning
Coil, Osc. Shunt (Part of AD-
136695, 1st Production)
Coil, Osc. Shunt (Part of AD-
136695-H, 2nd Production)
Coil, Osc. Shunt (3rd Production)
Trimmer, Ant.
Trimmer, Osc.
Iron Core, Ant. Tuning
Iron Core, Ose. Tuning
Iron Core. Ose. Shunt (Part of
AD -136695, 1st Production)
Resistor, 220,000 ohm, 1/2 w.
(56TG-O, 56TH -O, 56TJ-O)
Transformer, 1st I.F.
Transformer, 2nd I.F.
Condenser, 50 mmf. (1st and 2nd
Production)
Condenser, Condenser,
.05 mfd., 200 v., paper .2 mfd., 200 v., paper
Condenser, 3300 mmf., 200 v.,
paper
Condenser, Condenser, Condenser,
250 mmf., 600 v., paper .022 mfd., 200 v., paper 10 mfd., 25 v.1 Three
Condenser, 50 mfd., 150 v. Condenser, 30 mfd., 150 v.
Section Filter
Condenser, Condenser,
..00252mmfdfd.,.,202000v.v, .,ppaappeer r
Resistor, 15 megohm, 1/2 w.
Resistor, 22,000 ohm, 1/2 w.
Resistor, 3.3 megohm, 1/2 w.
Resistor, 4.7 rregohm, 1/s w.
Resistor, 470,000 ohm, % w.
Resistor, Resistor,
417500,0o0h0mo, h1m/2 ,w1./2
w.
Resistor, 150 ohm, 1/e w.
Resistor, 1200 ohm, 1 w.
Control, Volume
(1 megohm) Assembly
Switch (Power)
Speaker
Transformer (Output)
Condenser, 3300 mmf., 200 v.,
paper (2nd and 3rd Production)
*W437367
Resistor, 47 ohm, 1 w.
(2nd and 3rd Production)
Part of Item x13 Resistor, 47,000 ohm, % w.
39294-8
Resistor, 150 ohm, % w. (56TG-M,
56TH -M, 56TJ-M)
W-135371
Socket, Loctal Tube
W-131346
Socket, M.niature Tube
39204
Socket, Octal Tube
39017-5
Socket, Dial Light
W-46447-1
Shield, Tube
*AD -136695 Permeability Tuner, Complete
Assy. (1st Production)
*AD -136695-H Permeability Tuner, Complete
Assy. (2nd Production)
,*AW-137722 Permeability Tuner, Complete
Assy. (3rd Production)
AW-137689 Slide Assy. Permeability Tuner
AW-137688 Hub and Cam Assy., Permeability
Tuner
W-136520
Spring, Retractor (Permeability
Tuner)
W-136533
Grommet, Ant. Coil Mtg.
(Permeability Tuner)
W-45580
Grommet, Ose. Coil Mtg.
(Permeability Tuner)
*W-132366-2 Nut, Iron Core Locking (Part of
AD -136695, 1st Production)
W-51993
Fastener, Iron Core
W-52063
Spring, Iron Core
AB -135135 Plate Assy., Dial
W-135074
Pulley, Idler
B-135094
Pointer, Dial
B-135075
Shaft, Drive
W-134916
Washer, Spring
W-51071
Ring Retaining
W-136630
Trimount Stud
W-131154-1 Cotter, External
D-137263
Cabinet (56TJ Series)
R-135404
Cabinet (56TG Series)
AB -135446
Cabinet and Handle Assy.
(56TH Series)
B-135403
Handle (Part of AB -135446)
AW-135444 Cabinet (Part of AB-135446)
B-136633
Dial Glass
W-135455
Knob (56TG, 56TJ Series)
W-135454
Knob (56TH Series)
W-132124
Trimount Stud (56TH, 56TG
Series)
*1st Production models are identified by of the Tuner. 2nd Production models do on the rear of the Tuner. 3rd Production
the adjustable Iron Core in the Oscillator Shunt Coil which is not have the adjustable Iron Core in the Oscillator Shunt Coil models do not have the adjustable Iron Core in the Oscillator
mounted on rear
which is mounted
Shunt roil which
is mounted under the chassis.
©John F. Rider
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CRYSTAL PRODUCTS CO.
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CRYSTAL PAGE 15-1
MODEL C-2 Coronet
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©John F. Rider
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-AGE 15-2 CRYSTAL MOD.i, C-2 Coronet
CRYSTAL PRODUCTS CO.
CORONET MODEL C-2 PARTS
C-1-Omitted C-2-60 mmfd. mica capacitor C-3-50 mmf. nominal trimmer, range
55-75
C-4-.05 mfd., 400v paper capacitor C-5-50 mmfd. mica capacitor C-6-Nominal 550 mmf. range 450-700
trimmer
C-7-.05 mfd., 400v paper capacitor C-8-.25 mfd.. 200v paper capacitor C-9-250 mmfd. mica capacitor C-10-.004 mfd., 200v paper capacitor
C-11-250 mmfd. mica capacitor C-12-.02 mfd., 600v paper capacitor C-13-.02 mfd., 600v paper capacitor C-14-.05 mfd., 400v paper capacitor C-15, C-16, C-17-20-20-30 mfd., 160v
electrolytic condenser R-1-20,000 ohm, 1/4w resistor R-2-470,000 ohm, 1/4w resistor
R-3-33 ohm. 1/4 w resistor R-4-3.3 meg., 1/4w resistor R-5-500,000 ohm standard taper
potentiometer
Line Cord 560 ohm for 220-volt operation.
R-6-3.3 meg., 1/4 w resistor R-7-470,000 ohm, 1/4w resistor R-8-470,000 ohm, 1/4w resistor
R-9-170 ohm, 1 w resistor
R-10-22 ohm, %w resistor R-11-18,000 ohm, %w resistor R-12-670 ohm, %w resistor R-13-1,000 ohm, %w resistor R-14-170 ohm, 1/2w resistor L-1-Antenna Tuning L-2-Oscillator Tuning L-3-Oscillator Padder
TECHNICAL DATA
Tuning range Intermediate frequency Power consumption Sensitivity (for 0.05 watt output) Power output (in voice coil)
Undistorted Maximum Voice coil impedance
540 to 1700 Kc. 456 Kc.
35 watts 15 microvolts average
0.8 watts 1.0 watts 3.2 ohms
ALIGNMENT PROCEDURE
No aligning adjustments should be attempted until all other possible causes of trouble have been checked. Turn volume control to maximum for all adjustments. Keep signal generator output low as possible. Connect ground post of signal generator to chassis of radio through an 0.1 mfd. condenser. Connect signal generator output leads to antenna leads. Connect output meter across secondary of output transformers.
Band
I.F. Broadcast Broadcast Broadcast
Signal Generator Frequency Setting
456 Kc.
1700 Kc. 600 Kc. 1400 Kc.
Dummy Antenna
0.1 mfd.
Antenna lead
Antenna lead
Antenna lead
Connection to Radio
Grid of 14Q7
Tuning Condenser Setting
Slugs out of coil 1700 Kc.
Slugs out of coil 1700 Kc.
Slugs in coil 600 Kc.
Set dial at
1400 Kc.
Adjust for Maximum Output
4 trimmers on input and output
transformers Osc. slugs, L2,
L1, and C6
L3
C3
FINAL ADJUSTMENT
With the top off the radio, place the band around the set and connect antenna lead to the band and adjust C-3 for greatest noise level at 800 Ke.
©John F. Rider
www.americanradiohistory.com
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