Safety regulations require that the set be restored to its original condition and that parts which are indentical with those specified be used.
DIGITALE A/V SURROUND RECEIVER FR975/00/01C/17 MX980D/37 Service Manual TABLE OF CONTENTS Page Location Boards / System info ................................................... 1-2 Technical Specification ............................................................. 1-3 Service Tool / Measurement setup / Safety .............................. 1-4 Warning / Handling Chip components ...................................... 1-5 Abbreviations ............................................................................ 1-6 Instruction for Use ...................................................................... 2 Dismantling hints / Service positions ......................................... 3-1 Dismantling hints MDM Module ................................................ 3-2 Wiring diagram .......................................................................... 3-3 Block diagram ............................................................................ 4 Service Test program ................................................................. 5 Front Board ............................................................................... 6 Tuner 95 diagram ...................................................................... 7A ECO 5 Tuner diagram ............................................................... 7B Multi-Channel Decoding Module ................................................ 8 Mains Board .............................................................................. 9 Mono Board ............................................................................... 10 Exploded view ........................................................................... 11 S-VHS Board .............................................................................. 12 Exploded view partslist .............................................................. 13 Partslist Mono Board ................................................................ 14 DOLBY D I G I T A L Safety regulations require that the set be restored to its original condition and that parts which are indentical with those specified be used. Copyright 1995 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Published by MD 0016 Service Audio Printed in the Netherlands Subject to modification PCS 102 481 3104 215 50060 DISMANTLING HINTS Dismantling of Front 3-1 Dismantling of mono board 1) Remove front . See picture 1 2) Remove whole front (disconnect the wires on the mono board coming from front) Power rod 1 snap 2 1 1 snap snap 1) Remove top cover 2) Remove power rod 3) Remove 6 x screw as shown in picture 1 4) Release two snaps (left & right side front) 5) Release two snaps on the bottom side front 6) Tipp down front as shown in picture 2 1 snap 2 picture 1 Dismantling of mainstrafo picture 2 picture 3 2 2 2 3 3) Remove 14 x screws shown in mentionned aria . See picture 3 cable-sleeve 1 1 1 1 1 1 1 Metal bracket 1 1 1 2 picture 4 4) Remove wires out the cable-sleeve. 5) Remove 7 x screw and remove metal bracket 6) Remove 2 x screw on mono board . See pictue 4 7) Remove mono board as shown arrow 1 & 2 . See picture 4 8) Bring the mono board in the service position as shown in picture 5 1 1 1 1 1) Remove power rod 2) Remove 4x screw as shown in picture 8 picture 8 Legend 1 2 picture 5 = Torx M3x6mm ( screw with big head ) = Torx 3x10mm 3 = Torx M3x6mm 3-1 Service position monoboard 1) Bring front in position as shown in picture 6 2) Snap nok of front in bottom to make front stable . See picture 7 3) Connect front wiring back to monoboard. *The tuner module doesn't have to be connected. Use an other source (pe.CD) Service position main trafo picture 6 picture 7 1) Put main trafo as shown in picture 9 Handling service cover 1 1 picture 9 1 1 1 1 1 1 1 1 1 picture 10 1) To open the service cover cut 14 x lugs between cover and bottem . See picture 10 ( ) 2) To close the service cover put 11 x screw in mentionned holes. See picture 10 Service codenumber 12x Torx M3x6mm screw with big head = 4822 502 14659 PCS 102 488 3-2 DISMANTLING HINTS Dismantling of MDM module 1) Remove all the screws mentionned in the arial . See picture 11 1x 3 4x 2 1x 3 6x 2 picture11 2) Remove backplate a little backwards. See arrow 1 (picture 12) 3) Pull module out the set as shown in picture 12 2 1 Legend 1 2 picture12 = Torx M3x6mm ( screw with big head ) = Torx 3x10mm 3 = Torx M3x6mm PCS 102 489 3-3 WIRING DIAGRAM TUNER 4 XH MDM MAINS mdm ---Left out ---Ground ---Right out ---Ground ---Center out ---Ground ---Surround left ---Surround right ---Subwoofer out ---Downmix left ---Downmix gnd ---Downmix right 1803 ---Reset ---Request ---Sda ---Scl ---Ground --- + 6V ---Right In ---Ground ---Left In ---Ground --- +12V --- -12V 1802 6 XH 4 XH 8401 tu_stereo tu_clk tu_da tu_en tu_rds tu_gnd only in RDS tu_l tu_gnd tu_r +12 8206 6 DM 4 DM 1401only in RDS version 1433 not in RDS version FRONT 1410 1440 2 DM 8405 2 DM 1441 Stby Led 15 FFC 8002 6 DM 1437 av_ r av_gnd av_ l hp_ gnd hp_ r hp_ l 1426 8 DM 8409 8402 6 EH 1436 7 DM 1402 1435 2 DM av_ r av_gnd av_ l hp_ on hp_gnd hp_ r hp_ l v_gnd v_sig 4 DM 4 EH 12/JQ 1511 XH 1523 12/JQ XH 1521 MONO II 1254 8012 15 FFC 1520 ssce 1270 ssclk ssdata 8202 sofac scl sofac1 sda1 sofac2 sda2 dpl clk amp s on amp lr on d ground 1272 amp prot amp mute lr amp mute c/s/ sub dd reset dd req 1266 8 DM 8207 8208 -VH -VL ls_gnd ls_gnd gnd gnd +VL +VH 8 DM 1903 6 EH 5EH 5 EH 8 EH amp stby amp pd +5 +5D ground d -30 f1 f2 1257 1515 1252 1251 8009 8008 1253 8010 3 EH 1255 8011 4 EH 1503 3 DM 1526 4 DM 1302 6 DM 4 EH relay mfd +v gnd_s 0051 1064 2 VH 1063 4 VH ac_A ac_fuse ac_0VA ac_120VB ac_110VB ac_10VB 8077 8076 2 SDN 8077 4 SDN 8076 only/01 PRIM. TRAFO 5 EH 5 EH SEC. TRAFO ac_h1 ac_l1 ac_gnd ac_l2 ac_h2 1073 1074 ac1 ac2 ac3 1071 f1 f2 amp_prot gnd_s 1072 3 EH 4 EH 8410 8408 8407 7 DM 1425 2 DM 1427 HEADPHONE + FRONT AV p_p50 p_gnd v_sda v_scl v_gnd v_sig c-sig gnd subw sig 8004 8503 +12 v_gnd subw.pre out s_gnd 8502 ls_l ls_gnd ls_r ls_gnd ls_c ls_gnd FR975 8205 6 EH 4 EH 1560 1552 3 EH 1563 1554 P50 Board & VIDEO SELECTOR 5 DH 5 EH 8504 1960 +12 gnd v_sda v_scl SVHS v_gnd VIDEO SELECTOR 6 DM 1305 SCREW TERM MDI /FR975 /update 28-03-00 4-1 BLOCKDIAGRAM +12 ECO5/ Tuner 95 Tuner control +12sel 7501 CD CDR/Tape VCR SAT FRONT AV CDR/Tape VCR PHONO ATT ATT ATT ATT ATT -12sel +12sel 7571 RIAA LOGIC Source selctor control +12 7503 -12V +12 7504 7572-b -12 Record path TV ATT LOGIC 7572-b -12sel Source selctor control VIDEO SELECTOR +12 CVBS 7803 +5video DVD In VCR In +12 +8video MONITOR 7801 OUT 7802 VCR OUT SAT In Front AV In Logic control Video sel. control +6 L L/R in R +12 MDM 2000 C -12 DECODER SUB SL Downmix out SR TOS TOS MDM control Coax in 1 Coax in 2 Optical in 1 Optical in 2 Coax out 6CH/DVD Input Front L/R ATT C/SUB ATT SL/SR ATT VIDEO SELECTOR +12 S-VHS 7962 +5video +12 +8video DVD In VCR In SAT In 7965 7961 7960 Chrominacy Logic control +5video Video sel. control +12 +12 +8video 7964 7963 Luminacy Logic control Video sel. control MONITOR OUT VCR OUT Outlet 1260 1261 6253 3291 3265 7257 7258 6251 7908/7910 6276 Sub C/Sub C/Sub +VH +VL -VL -12 -VH -30 F1 oo 6261 Mains 1056 o o 1062 Voltage selector Only/01 F2 1079 6257 1078 0,33E 6268 6258/6259 6262/6263 0,33E 6260 7251 7252 7254 6267 protection 3 +12 +9 7644 6255 6256 6649 +6 +5 +5D +5mute Amp Stby Electric +V voltage selector Only /01 MFD 4-1 +9 7641 IN GAIN VOL BASS SPKR LOUD MID TREBLE ATT +5mute 7651/7652 7657 MUTE +12 7621/7622 Headphone Mute 1424 7601 Headphone ON -12 +VH +VL 3301 +VP 7302 L + Left - LOGIC CONTROL +9 7642 IN GAIN VOL BASS SPKR LOUD MID TREBLE ATT LOGIC CONTROL +9 7643 IN GAIN VOL BASS SPKR LOUD MID TREBLE ATT LOGIC CONTROL Tuner control only /00 RDS DECODER 7404 RDS Info RDS Data/Clk Stereo/Clock/Data/CE Source selctor control SSCE SSCLK SSData MDM control Reset SCL/SDA Request Sofac control SDA1 SCL SDA2 Headphone sense Video sel. control SDA SCL protection1,3 Amp Stby MFD 1421 Menu navigator 1422 Source selector encoder Sofac control SDA1 +5mute 7653/7654 7658 MUTE Sofac control SDA1 +5mute 7655/7656 7658 MUTE Sofac control SDA2 +5D +5D 7415 +12 7661 Mute 7660-a Center pre-out 1525 R + - Amp-ON C + - PTC hst -VP 3328 7660-b 7662 Mute Subwoofer pre-out 1550 -12 Amp-ON +VH +VL -VL -VH SL Amp-ON 3901 + - +VP 7905 Mute control Amp-ON Shift register 7411/7412 CLK DATA SR protection 1 +5D 7405 Eeprom + - PTC hst -VP 3915 -VL -VH +5D 7411/7412 Led drive +5 12x µP +5D 7409 Reset +5D IR Eye 7403 Key Matrix +5D Cinema Link P50 1540 7406/7407/7408 1423 Volume control Right Center Surround Left Surround Right -30 7413 Current buffer +5D -30 7416/7417/7418 F1 Display F2 FR975 MDI 23-02-00 PCS 102 490 5-1 SERVICE TEST PROGRAM To start service test program hold Bass & Treble depressed while switching the mains on Display shows the following message "S-9xx-Vzz" S stands for Service Testprogram V stands for Software Version zz version number counted from 01 upwards 5-1 KEY TEST N MENU Button pressed? Y Display shows"--" TUNER TEST TUNER N Button pressed? Y Display shows Tuner version "ccc" N any key pressed? Y Display shows corresponding key number ( see table 1) N TUNER Button pressed? Y Service frequencies are copied to the RAM (see table2) Tuner works normally except: Local button Y N MENU Button pressed? N Disconnect Mains cord Y Service Mode left Tuner Test Display info Version Preset 1 2 3 4 5 6 7 8 9 10 11 Europe "EUR" /00 East Eur. 3-band East Eur. 2-band "EEL" "EEU" /14 /14 USA "USA" /17 Oversea "OSE" /01 87.5MHz 108MHz 531kHz 1602kHz 558kHz 1494kHz 153kHz 279kHz 198kHz 98MHz ---- 65.81MHz 108MHz 74MHz 87.5MHz 531kHz 1602kHz 558kHz 1494kHz 153kHz 279kHz 198kHz 65.81MHz 108MHz 74MHz 87.5MHz 531kHz 1602kHz 558kHz 1494kHz 98MHz 70.01MHz ---- 87.5MHz 108MHz 530kHz 1700kHz 560kHz 1500kHz 98MHz ------------- 87.5MHz 108MHz 531kHz 1602kHz 558kHz 1494kHz ------------98MHz This table is valid for all types of tuners. Table 2 Custormer presets will not changed after this Tuner test. If a station is tuned then the display flag "OK" will be ON otherwise it will be OFF. If the tuned frequency is carrying RDS information, the display flag "RDS" will be ON. Oversea version: the tuning grid can be switched between 9kHz and 10kHz by pressing the key "TUNER" for longer then 2 seconds. "Grid 9" or "Grid10" will be shown accordingly. Grid 9kHz is in FM 50kHz , Grid 10kHz is in FM 100kHz Europe version: the LW can be switched On and Off by pressing the key "TUNER" for longer than 2 seconds. LW OFF or LW ON will be shown accordingly. DISPLAY TEST N NEWS/DISPLAY Button pressed? Y Display shows Fig.1 and switch all LEDs on except Stby Led N NEWS/DISPLAYT Button pressed? Y Display shows Fig. 2 and switch all LEDs off TEMP. TEST N CINEMA LINK Button pressed? Y Display shows Temperature of NTC in °C N CINEMA LINK Button pressed? Y N NEWS/DISPLAY Button pressed? Y Key Test Key Number Key Number Key Number Cinema 1 Sens 7 Loudness 13 Surr. on/off 2 *News T/A 8 Bass 14 Surr. Mode 3 Prev.Exit 9 Treble 15 Virt. Mode 4 Setup Menu - - *Front A/V 16 Tuner 5 Next 11 *Radio Text 6 Enter/OK 12 *Button Radio Text change in Name/Frequency in /01/17 version Button News T/A change in Display in /01/17 version Button Front A/V not in FR965 Table 1 LCR DIGITAL SURROUND SL SW S R PRESET SENS HILO STEREO CINEMA LINK ON SMART SOUND EON TA NEWS ANA RDS HALL MATRIX NIGHT COAX 12 DOWNMIX OPT 12 OK LOUDNESS MENU Figure 1 Various other Tests TEST Activated with EEPROM PREV Button PREV Button to exit ACTION A test pattern will be sent to the Eeprom. "PASS" is displayed if the µProcessor read back the test pattern corrcetly, otherwise "ERR" will be displayed. EEPROM OK Button FORMAT Display shows"NEW" for 1 second. Caution! All presets from the customer will be Lost Default Data Source =Tuner---Mode=stereo---Volume=10 Bass=0---Treble=0---Loudness=Off #Effects: 3D Surr=100 #Volume balance: Vol Front-L=0---Vol Front-R=0---Vol Center=0 Vol Rear-L=0---Vol Rear-R=0---Vol Subwoofer=0 #Speaker setup: Subwoofer Present=Yes---Center=Yes---Rear=Yes #Speaker Sizes: Front Size=Large--- Center Size=Large---Rear Size=Large #Speaker Distance: Dist L/R=3meter---Dist Center=3meter---Dist Rear=3meter For USA /17: Dist L/R=10Feet---Dist Center=10Feet---Dist Rear=10Feet. #Select input: DVD--->Coax1 For /01: FM grid is 50kHz : AM grid is 9kHz LC DIGITAL L SW R SENS CINEMA LINK ON STEREO RDS HALL NEWS ANA MATRIX 1 DOWNMIX OPT 2 Figure 2 mdi 04-04-00 PCS 102 491 6-1 FRONT BOARD TABLE OF CONTENTS FTD Display pin connections................................... 6-2 Headphone & Led board layout ............................. 6-3 Circuit diagram ........................................................ 6-4 Component layout ................................................... 6-5 Partslist .................................................................... 6-6 6-2 FTD DISPLAY PIN CONNECTIONS 1G 4G 5G 6G 7G 8G 9G 10G 11G 12G 13G 14G 15G 16G LCR DIGITAL SURROUND SL SW S R (1) (2) PRESET SENS HILO STEREO CINEMA LINK SMART SOUND EON TA NEWS ANA RDS HALL MATRIX NIGHT COAX 12 DOWNMIX OPT 12 OK LOUDNESS MENU 2G 3G a f h jk b g m e rp nc d P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 1G L R C (C) (SL) (S R ) SW S (L) L S (R) R SURROUND DIGITAL 2G MATRIX NIGHT ANA LO CINEMA LINK EON HALL HI NEWS PRESET RDS SMART SOUND STEREO TA SENS 3G DOWNMIX COAX 1(coax) 2(coax) OPT 1(opt) 2(opt) LOUDNESS MENU OK - 4G~11G a j p h k b f m g c e r n d - 12G 13G ,14G 15G a a a j p j p j p h h h k k k b b b f f f m m m g g g c c c e e e r r r n n n d d d (1) - (2) - - - 16G a j p h k b f m g c e r n d - Pin Connection Pin numbers 5 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 Connection 1 1 1 1 1 1 1 P P P P P P 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6NNNNNN 1 1 1 1 1 1 PPPPPPPPP NNNNNNNNNNNFF GGGGGGGGGGGGGGGGCCCCCC 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 CCCCCCCCCPP 11 Pin numbers 6 6 6 5 5 5 5 5 5 5 5 5 2 1 0 9 8 7 6 5 4 3 2 1 Connection F F N N N N N N N N N N 22 PPCCCCCCCC Note: FI , F2 --------- Filament NC -------------- No connection NP -------------- No pin 1G ~ 16G ----- Grid 6-3 HEADPHONE BOARD - COMPONENT VIEW D C B A 1 D C B A HEADPHONE BOARD - COPPER SIDE VIEW D C B A 1 D C B A LED BOARD - COMPONENT VIEW U1 C1 1424 A1 1425 A1 1427 A1 1428 C1 1 2427 A1 2430 D1 2445 A1 2447 A1 2448 C1 2449 C1 1 2450 C1 2451 D1 3471 A1 3477 D1 4450 D1 PCS 102 288 6-4 6-4 6-4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 FRONT PART FR965 - FR975 +5V +5V A +5D +5D D D 1401 6 stereo 1433 4 6k8 22k 3403 3405 3499 470E 2441 220p 2440 220p stereo 5 3 tu clk B 4 2 tu de 3498 470E 3497 470E tu clk tu de 3 1 tu en 3496 470E tu en 2439 2438 From Tuner 220p 220p D D C 2 tu rds 3413 1k 2402 1 tu gnd From Tuner 2410 22n D 1n 2407 470p D D 1402 6 P50 5 P50 +5V +5V +5D +5D D E 3 3501 V sda 470E 4 3500 V scl 470E 10k 10k 3402 3401 1 V sig F 2 V gnd V sig V gnd To 1560 P50 Board & +5V Video Selector +5D G 1410 4 sofac scl 5 sofac1 sda1 6 sofac2 sda2 H 1 ss ce I 2 ss clk 10k 3493 470E 3406 3494 470E 3495 470E +5V +5 2435 220p 2436 220p sofac scl sofac1 sda1 sofac2 sda2 2437 220p 10k D D D 3407 ss ce ss clk 3 ss data ss data 11 amp prot amp prot 15 J dd req 14 dd reset dd req 8 nc 9 amp lr on K 12 amp mute lr amp mute cs sub 13 10 2444 22n L To/From D Volume Control Part 22k 3394 D 1426 1 amp stby M 2 3414 amp pd 1k 4 +5D +5D +5V 3 +5 5 N gndd +5 +5V 2461 22n DD 6 30 30 32V 8 f2 7 f1 O From Power Supply FRONT PART FR965 - FR975 3104 217 06790 / 06800 / 06530 / 06540 1 2 amp stby amp pd 2404 1n D 3 22k +5 +5V +5 +5V +5 +5V 3393 D 4 2k2 10K 330E 47E 22k 22k 7404 SAA6579T 2442 47p D 1400 AT-5I 4M332 3411 220k 13 OscI 3410 14 OscO 2443 47p D +5V 7402 +5D PDTA144ET 47k 47k 1440 1 1441 1 +5V +5D 3392 3391 1k 3423 amp stby 2456 47µ D +5V +5D 7415 TMP87CS71F 5403 2µ2 33 Vdd 2420 100µ D 2458 22n D stereo 4 4 Mux ANTI ALIASING FILTER 57 kHz BANDPASS (8th ORDER) RECONSTRUCTION FILTER OSCILLATOR AND DIVIDER QUALITY BIT GENERATOR Qual 1 CLOCKED COMPARATOR COSTAS LOOP VARIABLE AND FIXED DIVIDER BIPHASE SYMBOL DECODER DIFFERENTIAL RDDA 2 DECODER RDCL 16 3422 10k 2 3404 D 2 6400 tu clk tu de tu en 6 7 8 I/O 5 P1 1 CLOCK REGENERATION AND SYNC Vpi REFERENCE VOLTAGE TEST LOGIC AND OUTPUT SELECTOR SWITCH T57 15 +5V +5D RC5 2462 1n D 3455 D 2 3 Vssd 11 D Cin 7 2403 560p Only in sets with RDS SCout Vddd Vdda Vssa Vref Mode Test 8 12 5 6 3 9 10 D D D 2408 5400 2409 22n 2µ2 D 2µ 2 D +5 +5V 3416 3400 2400 7403 2 100µ D 1 3409 1k 3415 0E +5V +5D 1k Not for FR965/00 3502 $ 74 3483 100k +5V +5D +5V +5 3448 2419 5402 2µ2 7411 D 22n 16 HEF4094BT 1 C2 15 EN3 SRG8 3 C1/ 330E 6409 PHONO 6408 TUNER 6407 CD 6418 3445 +5 +5V 330E CDR/TAPE 6415 3D-SURR 6416 SAT 6413 VCR +5V 6417 +5D TV LTL-1CHPE 5401 2417 2µ2 7412 D 22n 16 HEF4094BT 1 C2 15 EN3 SRG8 3 C1/ 4 3 5 6 7 14 13 12 11 9 10 2 2D 1D 8 D 4 3 2D 2 1D 1k 1k 2485 1n D 3785 3786 2486 1n D 10k 100k +5V +5V +5D +5D 3451 3449 2428 4µ7 D 43 DD +5V +5D 47k 47k 10k 47k 3487 7421 PDTA144ET 6424 BAS216 +5V +5D 47k 47k 47k 47k 7419 PDTC144ET 7422 PDTA144ET D 3486 D Only MARANTZ set D amp prot 3426 73 1k I/O +5V P4 +5D 10k hp on 3421 67 nav 1 2413 22n D 32 D 31 27 nav 2 30 I/O v cont 1 29 P7 v cont 2 28 25 26 17 24 sofac2 sda2 23 P50 sofac1 sda1 22 I/O +5V sofac scl 21 P3 +5 ss ce 20 3408 s sel 1 19 dd req s sel 2 18 10k 47E 27k 82k 22k 22k 100k 10k 10k 5 6 7 3447 330E 3427 150E 3446 330E 6410 14 DVD 6401 13 6421 SURR 6412 12 HALL LTL-1CHPE 11 9 10 P50 +5V +5D 3433 3437 100k 2411 220p 7406 BC847B +5V +5V +5D +5D +5V +5D 3429 3430 6402 1N4148 3428 3438 220k 7407 BC847B 3441 7408 BC847B 3440 D D D D Only in sets with P50 function +5V +5V +5D RESET +5D 2434 220n 7409 3431 BC847B reset 12 3439 10k 6403 1N4148 3442 2414 22n DD DD P20 P21 16 10 8 D 5 6 7 8 9 10 11 12 13 14 15 16 100k 17 18 6-BIT A/D CONVERTER RAM ROM 8-BIT CPU TIMER/ COUNTERS INTERRUPT CONTROLLER CLOCK/TIMER/SYSTEM CONTROLLER P22 X in 11 13 1403 8Mc 2416 3476 22p D D CST D X out Test 14 9 D 2415 22p D 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 amp pd ss clk ss data +5V +5V +5 +5 10k 10k 3419 3420 77 76 80 I/O P5 79 78 75 3472 1k +5 +5V 2454 22n D 70 +5V +5V +5 +5 +5V +5D 10k 3417 10k 7405 M24C08 8 3418 Vcc 5 SDA 6 SCL 1 E0 2 E1 7 WC_ D Vss 3 E2 4 D 2405 22n D 69 I/O 68 P4 71 3491 100k 72 D 22k 22k 3434 3435 3436 22k 100k 1404 3475 D D D D 65 3443 330E 6404 BASS 64 S14 1N4148 63 S13 1407 1405 LOUDNESS 1408 1406 TREB 1409 62 S12 I/O P9 61 S11 60 S10 3444 330E 6405 1N4148 AM/FM 1411 PREV 1412 NEXT 1413 59 S9 58 S8 57 S7 3452 330E 6406 1N4148 SENS 1414 TEXT 1415 NEWS T/A 1416 56 S6 55 S5 54 S4 I/O P8 53 S3 52 S2 51 S1 50 S0 6414 1N4148 3453 330E MENU 1417 3457 330E 6419 1N4148 CINEMA 1420 ENTER 1418 SURR ON/OFF HALL 1419 MODE 49 G15 48 G14 47 G13 46 G12 I/O P7 45 G11 44 G10 3458 330E 6420 1N4148 FRONT A/V Only in FR975 HEADPHONE 1424 6 A $ 5 1439 1437 1436 1425 4 1 1 1 1 hp l 2 2 2 2 2 3 hp r 2447 2445 B 3 3 hp gnd 3 3 4n7 4n7 7 HP HP HP 8 To/From 1601 Volume 2427 9 Control part hp on 3424 1k 4 4 3471 1n 1 HP HP C 1k 68E 4 av l 5 5 FRONT AV 5 6 6 1428 av gnd 6 7 7 A 5 av r 6 Audio Left In D 2448 To/From 1515 1n 4 Volume Control Part + AA 8 Source Slector Part 2449 9 Audio Right In 1435 1427 1n 7 E A A V sig 2 2 2 V gnd 1 1 3 2430 3477 220p 1 Video In VV VV +5V SOURCE +5D SELECTOR 3461 1422 EC16 10k s sel 1 s sel 2 nav 1 2424 22n D 3466 1 220E 3469 2 220E 3 D 2423 MT1 MT2 10k 22n 3462 4 5 D D D +5D +5V nav 2 F Only in sets with RDS Not in sets with RDS Only in FR975 G * Only in sets with DVD input Not in sets with P50 function Not in sets with RDS $ Not in FR975 H +5V VOLUME +5D CONTROL 3463 1423 EC16 10k v cont 1 v cont 2 2426 22n D 3467 1 220E 3470 2 220E 3 D 2425 MT1 MT2 10k 22n 3464 4 5 D D D +5D +5V +5V +5D 10k NAVIGATOR 1421 3459 EC16 3465 1 220E 3468 2 220E I 3 D 2422 2421 MT1 MT2 10k 22n 22n 3460 4 5 D D D D +5D J +5V 43 G9 42 G8 4E7 100k 100k 100k 0E I/O P6 Vss Vkk 15 66 D 3432 30 32V 2412 47µ D 41 40 39 38 3395 0E 37 36 35 34 Vkk 31V 2457 22n G7 +5V +5V +5D +5D G6 2433 G5 100p 3485 3484 G4 1k G3 +5V +5D +5V +5D 7417 BC847B 3482 2432 10p 3481 1k 30 32V +5V +5V +5D +5D 2431 7416 BC847B 3480 10p 3479 1k 30 32V 7418 BC847B 3478 3474 0E D 30 32V 2455 47µ D .....V - Voltage measured during normal operation - Source position : Tuner FM - No special features ON 3473 0E 2429 47µ .....V Stand by D 2459 22n D 2460 22n D 19 20 21 22 23 Vkk 31V Vkk 31V Vkk 31V Vkk 31V 3751 G0 33k 2463 100p 3752 33k 2464 100p 2465 to 2476 3753 to 3764 G15 S0 S14 3767 K 33k Vkk 31V 3768 33k Vkk 31V 3769 33k Vkk 31V L 3770 to 3778 Vkk 31V Vkk 31V 3765 33k 2477 100p M 3779 33k Vkk 31V Vkk 31V Vkk 31V 3766 33k 2478 7413 3780 33k 3781 33k Vkk 31V Vkk 31V 100p 16-MT-95GK N 62 61 58 57 56 55 54 53 52 5150 49 48 47 46 45 44 43 42 4140 39 38 37 36 35 34 33 32 3130 29 28 27 26 25 24 23 22 2120 19 18 17 16 15 14 13 12 1110 9 8 7 6 5 2 1 LCR DIGITAL SURROUND SL SW SR PRESET SENS HILO CINEMA LINK STEREO SMART SOUND EON RDS HALL TA NEWS ANA MATRIX NIGHT COAX 12 DOWNMIX OPT 12 OK LOUDNESS MENU O LEU0179/0015 LEU0179R/0015 24 25 26 27 28 29 30 31 1400 B8 1401 A1 1402 D1 1403 N17 1404 E23 1405 E24 1406 E25 1407 F23 1408 F24 1409 F25 1410 G1 1411 F23 1412 F24 1413 F25 1414 G23 1415 G24 1416 G25 1417 H23 1418 H24 1419 H25 1420 I23 1421 I31 1422 F28 1423 I28 1424 A30 1425 A28 1426 M1 1427 E28 1428 D30 1433 A2 1435 E28 1436 A28 1437 A27 1439 A27 1440 C12 1441 C12 2400 E12 2402 C3 2403 E6 2404 M3 2405 B24 2407 D3 2408 F8 2409 F9 2410 D2 2411 M9 2412 N19 2413 H15 2414 M14 2415 N18 2416 N17 2417 K6 2419 G8 2420 B15 2421 J30 2422 J29 2423 G27 2424 G27 2425 J27 2426 J27 2427 C29 2428 H10 2429 O23 2430 E29 2431 M21 2432 M21 2433 L22 2434 M13 2435 H3 2436 H3 2437 H3 2438 C4 2439 C3 2440 A4 2441 A3 2442 B8 2443 B9 2444 L2 2445 B29 2447 B29 2448 D29 2449 E29 2454 C20 2455 N23 2456 B13 2457 N20 2458 B15 2459 N23 2460 O23 2461 N2 2462 E13 2463 K24 2464 L24 2465 L24 2476 L25 2477 M24 2478 N24 2485 I9 2486 K9 3391 B13 3392 B13 3393 N4 3394 L3 3395 L20 3400 E12 3401 E4 3402 E3 3403 A2 3404 D12 3405 A3 3406 G2 3407 I2 3408 L14 3409 F12 3410 B9 3411 B8 3413 C2 3414 M2 3415 F13 3416 F11 3417 B22 3418 B22 3419 B20 3420 B20 3421 G15 3422 D11 3423 B13 3424 C27 3426 G15 3427 M4 3428 M10 3429 M11 3430 M11 3431 M14 3432 N19 3433 M9 3434 E21 3435 E21 3436 E22 3437 M9 3438 M10 3439 M13 3440 N10 3441 N11 3442 M13 3443 E22 3444 F22 3445 I6 3446 M4 3447 M4 3448 H7 3449 G10 3451 G10 3452 G22 3453 H23 3455 E14 3457 H22 3458 I22 3459 I30 3460 J30 3461 F28 3462 G28 3463 I28 3464 J28 3465 I30 3466 G27 3467 I27 3468 I30 3469 G27 3470 I27 3471 C29 3472 C20 3473 O22 3474 N22 3475 E20 3476 N16 3477 F29 3478 N21 3479 N20 3480 M22 3481 M21 3482 L23 3483 F15 3484 L22 3485 L23 3486 I13 3487 G12 3491 E20 3493 G2 3494 H2 3495 H2 3496 B3 3497 B3 3498 B3 3499 A3 3500 E2 3501 E2 3502 F15 3751 K24 3752 L24 3753 M24 3764 M25 3765 M24 3766 M24 3767 K29 3768 K29 3769 L29 3770 L29 3778 M29 3779 M29 3780 M29 3781 N29 3785 J9 3786 J9 5400 F8 5401 J6 5402 G8 5403 B15 6400 C12 6401 M5 6402 M10 6403 M13 6404 E23 6405 F23 6406 G23 6407 I7 6408 H7 6409 H7 6410 M5 6412 M5 6413 J7 6414 H22 6415 I7 6416 I7 6417 J7 6418 I7 6419 H23 6420 I23 6421 M5 6424 H12 7402 A12 7403 F12 7404 C5 7405 B22 7406 N9 7407 M11 7408 M11 7409 M14 7411 G8 7412 K6 7413 N27 7415 A16 7416 M21 7417 L22 7418 N21 7419 I12 7421 H12 7422 I13 PCS 102 492 7A-1 TUNER 95 BOARD TABLE OF CONTENTS Adjustment table ...................................................... 7A-2 Blockdiagram ........................................................... 7A-3 Component layout ................................................... 7A-4 Circuit diagram ........................................................ 7A-5 Partslist ................................................................... 7A-6 PCS 69 713 7A-2 TUNER 95 bis Adjustment Table (FM, MW, LW with Frame antenna) Waverange Input frequency VARICAP ALIGNMENT FM (50) 87.5 - 108 MHz MW (9) 531 - 1602 kHz LW (3) 153 - 279 kHz FM DETECTION FM 98 Mhz 1mV continuous wave short pin 21 (IC7101) to ground FM VCO FM DISTORTION FM 98 Mhz 1 mV continuous wave 98 Mhz 1 mV 90 % L + 9 % pilot mod = 1kHz AM IF Input A A A Set tuned to 108 MHz 87.5 MHz 1602 kHz 531 kHz 279 kHz 153 kHz 98 MHz 98 MHz 98MHz Adjust Output Scope / Voltmeter check check 5123 check 6 5122 check 7 ... 9V 1.3 ... 2V 8.3V ± 0.2V 1V ± 0.4V 8.3V ± 0.2V 1V ± 0.4V 1 5107 2 0mV ± 3mV 3142 3 mixcoil inside Tuner 4 1110 152kHz ± 1 kHz Distortion minimum MW AM - RF 450kHz f = 10kHz 100nF Low as possible 50E Swept signal MW C 450kHz continuous wave 5111 5112 5114 symmetrical and 7 max. height 1 0mV ± 2mV 2 MW LW 558kHz Mod = 1kHz 30 % AM 1494 kHz 198kHz mod = 1kHz 30 % AM * Signal send via a frame antenna (..) = tuning grid in kHz 558kHz B 1494kHz * 198kHz repeat 5102 2106 5103 MAX 7 MAX adjtable for 3104 217 04121/04341 PCS 69 714 7A-3 7A-3 BLOCKDIAGRAM +FM 6 3 +B AGC A 1102 1 Ant1 Fa 4 GND f0 = fin + fif MT VT MT 5 AM-RF 5102 MW 5103 LW 2106 B FM FRONTEND IF Out 7 Fif 10,7 MHz Fo Osc Out 8 AM-OSC 10,7MHz 6 C VCC1 VDD 7 VCC1 23 VDD 10,7MHz IF-AM 35 FM-IF2 34 V Stab B 33 38 FM-IF2I V Stab A 450kHz 5111 40 AM-MIX Out IF-AM 450kHz 5112 41 AM-IF1 In 36 AM-IF2 STABILIZER 37 FM-IF1I In 5 FM Osc. 8 I-Tune 2 AM-RF FM FM IF1 IF2 CHARGE PUMP AM FRONTEND AM OSC. AM MIXER AM IF FM DET Ripple 1 AM-Osc. 6 FM GND RF GND IF GND Dig. GND RF GND 3 4 17 26 42 FM-Demod 18 10,7MHz AM-DET 2 1 450kHz 5114 32 AM-AFC 19 AFC- 20 AFC+ AFC TEA5762 AM DET CONTROL VCC2 22 VCC2 WRITE Enable 29 DATA 28 CLOCK 27 P1 31 FM/AM 39 P0 30 Mono/ Stereo 24 Left 14 AGC AGC 44 XTAL OSC Fieldstrength AF-Out Indc. 10 21 25 STEREO DECODER Mute 13 Right 15 MPX-In VC0 11 9 PILOT 16 Filter LPF 12 75kHz 5123 MW 3142 5122 7 LW ANTI BIRDY FILTER VC0 RDS +FM VCC1 VDD VCC2 RDS 1121 1 GND 2 RDS 3 ENABLE 4 DATA 5 CLOCK 6 STEREO 3 4 1124 1 LEFT 2 GND 3 RIGHT 4 VCC MW/LW-SELECTION PCS 69 715 7A-5 7A-5 1102 D1 1103 G2 1110 D4 1121 C21 1124 F21 1126 E20 2102 C2 2106 J4 2107 J6 2108 L2 2109 L3 2120 K7 2122 M7 2123 L7 2125 L7 2127 H16 2128 I13 2129 I8 2130 J20 2131 I17 2132 I17 2133 G18 2134 G19 2135 F19 2136 H19 2137 G19 2138 H18 2139 I7 2140 C14 2141 H15 2142 K19 2143 K20 2144 K20 2145 E19 2147 E19 2148 E19 2150 C6 2151 H12 2152 I11 2158 L18 2160 I15 2161 I15 2162 H20 3103 G3 3104 G4 3107 C6 3108 J1 3109 K1 3120 H5 3123 I6 3124 K7 3125 L11 3128 L9 3129 K8 3130 K8 3131 M10 3132 J7 3134 L6 3137 L5 3140 F7 3141 I16 3142 I16 3143 K17 3144 K17 3145 I17 3146 L20 3147 N20 3150 H19 3151 I20 3152 F20 3153 G20 3154 J20 3155 J20 3158 E19 3159 E19 3160 D19 3161 D19 3162 I15 3163 J8 3164 I20 3167 I20 3169 L5 3172 B6 3173 B6 3177 M10 3178 N20 3181 C7 3183 I13 3184 I8 3185 I13 3186 K16 3188 M20 3192 C12 3197 L11 5102 I3 5103 L4 5107 J12 5109 B6 5110 C9 5111 C11 5112 C12 5114 C13 5115 J15 5121 I15 5122 L7 5123 K7 6105a I5 6105b I6 6106 H5 6107 K20 6120 E17 7101 C15 7103 K17 7104 J2 7105 K2 7109 L10 7110 I19 7122 L9 7124 L6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 TUNER 95 bis A A B 0,5V +12V +FM 2102 470u C 6 +B D A FM 1102 1 ANT. Ant1 Fa E 4 GND FM FRONTEND 1110 FE415-G23 Fo 0E 82E 5109 3172 10,7 MHz 0E 3173 3107 7 IF Out 2150 100n 0E 3181 +8V VCC1 +7V +6V VDD 7 VCC1 23 VDD IF - AM IF - AM AM - DET 5110 10,7 MHz 1 6 2 3 4 5111 450 kHz 35 1,4V 34 FM-IF2 V Stab B 33 1,4V 38 40 FM-IF2I V Stab A AM-MIX Out 0E 3192 1 6 2 3 4 5112 450 kHz 41 AM-IF1 In 36 AM-IF2 3 5114 1 450 kHz 2 1 2140 32 AM-AFC 470n 19 AFC- 20 AFC+ STABILIZER AFC 7101 TEA5762 Fif 10,7 MHz 37 FM-IF1I In FM FM IF1 IF2 Osc Out 8 5 FM Osc. AM AM IF DET CONTROL V B 0 0V = No communication During communication V +9,6V VCC2 22 VCC2 WRITE Enable 29 0V mono stereo DATA 28 CLOCK 27 P1 31 6120 FM/AM 39 1N4148 P0 30 V C 0 High = During communication 2145 220p 2147 220p 3161 470E 3160 470E 3159 470E 3158 470E 2148 22n 3 1121 1,3V 1 2 3 4 1 GND 2 MPX-RDS (VCC2) D 3 ENABLE 4 DATA 5 CLOCK 6 E STEREO 1126 STEREO = LOW 0E 1k 330E F Fo = Fa + Fi f AGC MT VT 3 MT 5 3103 3104 G 1103 2 3140 CHARGE PUMP 6 VT 8 I-Tune AM FRONTEND AM OSC. AM MIXER 2 AM-RF FM DET 1 H AM-FRAME SOCKET 6106 1N4148 3120 C Ripple AM-Osc. FM GND RF GND IF GND Dig. GND RF GND FM-Demod 2V 1 6 3 4 17 26 42 18 0E 0E 3184 2139 100n 2129 I B 5102 6 1µ LW = 0,7V MW = 0V 2 3108 6105a 3123 6105b 2k2 7104 BC338-40 5 HN1V02H HN1V02H MW 1 7 6 5 J 3 2 3 0E 2106 5p2- 2107 3132 0E 3163 30p 14 0E 470n MW-OSC 3124 0E 5123 3129 3 4 0E 2152 82p 2151 15p 3 MT 5 2 4 1 5107 Toko 7KM K 7105 BC338-40 3109 2k2 3 2108 2109 2 L 82p 22p 5103 1 LW M 3169 0E 3134 LW = 0V MW = 0,7V 7124 BC848C 3137 10k V 0V MW LW 22k 2120 2 33p 1 6 2125 560p LW-OSC 5122 3 4 2123 2 390p 1 6 2122 3n9 0E 3130 +7V +7V +6V +6V VDD VDD V 7122 BC848C LW = 0,7V MW = 0V 3128 2k2 3177 V 22k 0E 4k7 3197 3125 10k 7109 BC858B 3131 0V MW LW 0V MW LW N 3104 217 04120 bl. 130 - 01 3104 217 04121/04341 bl. 130 - 01 1 2 3 4 5 6 7 8 9 10 11 12 Mono/ Stereo 24 1124 F STEREO DECODER Left 14 Mute 13 0,7V 2133 1µ 2135 2134 15n 220n 3152 470E 4 1 LEFT 2 GND G AGC XTAL OSC Right 15 PILOT 16 2137 220n 2136 3153 470E 3 RIGHT Filter 0,9V 15n AGC Fieldstrength AF-Out Indc. MPX-In VC0 LPF 2138 2µ2 11,8V 11,2V H 3150 0V 44 10 2V 21 25 11 1V 9 0,8V 12 4k7 2141 0E 3183 100n 2127 220n 68k V 2162 3151 22µ 0E 2128 10µ 3185 7 150k 3162 2161 1n 75 kHz 4 2160 12p 5121 75 kHz 3141 3142 3145 2132 470n 2131 470n 100k VC0 5115 6 ANTI BIRDY +8V VCC1 56k 2k2 0V AM FM +FM 0,5V I +12V 7110 BC858B 3164 4E7 VCC1 +8V 3167 220E 4 VCC +12V 150E 2130 3154 22n J +7V VDD +6V 3155 330E 2144 1µ FILTER 22k 3 2 1 7103 BC858C 3143 3144 1,3V VCC2 +9,6V K 6107 3186 1k 1k 2142 2143 BZX79/ C11 100n 220n 3146 47E L 2158 100n .....V FM mode stereo .....V FM .....V AM 13 14 Signal path FM AM AF 15 only in RDS version (04121) not in RDS version (04341) 16 17 18 3188 0E 3178 0E 3147 0E 19 20 M N LEU0150 ITCL/9851-9813 21 PCS 69 717 7B-1 TUNER BOARD ECO5 TABLE OF CONTENTS Blockdiagram ......................................................... 7B-1 Component layout ................................................... 7B-2 Adjustmanttable ...................................................... 7B-2 Circuit diagram ........................................................ 7B-3 Partslist .................................................................... 7B-4 7B-1 7B-1 BLOCKDIAGRAM TUNER BOARD ECO 5 systems 1101 (1102) VLoop FM-RF VStabA 10,7 MHz VStabB 10,7 MHz buffer ampl. Discriminator 5 10,7 MHz LF filter RDS (MPX) VCO A FM 3 FM-Osc. VLoop 43 FM frontend 5 AM-Osc. AM-FRAME AERIAL VLoop 1103 AM-RF 6 2 AM Frontend 39 37 35 33 18 10 FM Mixer FM Osc. AM Osc. AM Mixer IF1 Prescaler Multiplexer IF2 FM Det. RADIO IC TEA 5757T AM IF AM Det. 11 9 right 15 Stereo Decoder left 14 stereo 24 clock27 data 28 CONTROL enable29 C VLoop AGC B 18 Charge VLoop pump VStabA 38 34 VStabB 23 7 22 40 41 36 AFC 44 32 19 20 AFC AFC + P1 31 programmable output ports P0 30 Reference Oscillator 25 Vdd Vcc1 Vcc2 450kHz 450kHz VStabA VStabB 450kHz 2 VStabB 75kHz Vcc1 Vdd Vcc2 Vcc 1124 4 4 right 4 left 1 Version 3 stereo 1126 1121 46 clock data enable 1 RDS (MPX) 1 MW/LW AM-RF, AM-Osc. ECO5 sys., 240698 CS52 930 7B-3 7B-3 TUNER BOARD ECO5 / Systems 1 2 3 A 1101 y 2 T001 FM 300 OHM 1 A B C FM 50 OHM 1102 x T002 1 2 T003 6103 1N4148 6104 1N4148 3106 10k 4 5 9128 y Service Solution for Local/DX - switching remove 9100 2105 6101 100p BA484 9119 4156 4155 9114 D AM FRAME AERIAL MW/LW-RF 1103 T005 2 T006 1 E B F G LW=high 3108 w 2k2 LW P0 7105 w BC338-40 MW=high 3109w 4k7 2108 w 100p 2109 w 10p 7104 w BC338-40 P0 5102 2 1 MW 6 5 3 4 5103w 4 3 2 6 1 H I J K L M N 1 2 3 4 5 4101u 2107 1u 2102 10n 4102 u 2106 3-11p w_4-20p printed 2101 3120 6106 0R 1N4148 3103 18k t_18k 2152 33n s_560p 6130 1SV228 3181y 1k8 2153 t_2p2 15p s_12p 5130 2159 33p 3102 100k 6131 1SV228 2154 x 4p7 2155 3-11p printed 2103 1n 6 7 8 2104 100p 100p (if 1102 is used) 47p (if 1101 is used) C 9101 3105 220R T009 FM-RF REF Q-MULTIPLIER 7102 2SA838B 5131 6105 2 1 7 MW HN1V02H 3101 33k s_5k6 3110 FM-OSCILLATOR 47R 1 5 Vdd Vdd 3123 w 4k7 3125w P0 10k 7109w BC858B LW=high 3128 w 2k2 3180w 22k 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 AM-IF1 5111 T046 4 3 450 kHz 6 1 4105x 3119t 330R 2150 100n 5113 z T013 SFU450B 2 4104x FM-IF1 5109 3104 7119t 180R 2SC1047 AM-IF2 5112 3 4 E 450 kHz 1 6 2 T014 FM-IF2 5110 3175z 2k7 AM-IF to 1130,1131 AM Stereo module VERSION PROGRAMMING COMPONENTS /00 FM/MW/LW /00 FM/MW/LW/SW-Eu /01 FM/MW-Stereo /01 FM/MW /01 FM/MW/SW-Ov /06 FM-Japan/MW-stereo /13 FM/MW-Stereo 6120 3156 3157 3170 remark A x - - - 7111 - - - - not mounted - - x - SW - x - x - x - - B - - - x - - x - SW 2111t 100p 3113t 1k T044 2128 10u to 3103 REF 2129 100u 2165 100n 0.7V 0.15V 0.7V 44 43 42 AM Det. RF-GND AGC FM-In T043 2.1V1 Ripple AGC 0V 2 AM-RF AM IF AM Frontend 1.4V 1.4V 1V 41 40 39 AM MIXER CONTROL 0V 3 FM-RF AGC AM OSC FM F 4 RF-GND Frontend FM 0V 5 FM-OSC. FM MIXER OSC Prescaler Multiplexer 0V 6 AM-OSC. VSTABA AGC VSTABB Vcc1 T040 8V 7 Vcc1 Ripple Vcc2 STABILIZER Vdd 1.4V 38 VSTABA AM IF AM DET FM DET 0.7V 37 FM IF1 FM IF2 AM-IF1-in AM Mixout FM Mixout FM-IF1 in AM-IF2 FM-IF2 T047 1.4V 0.7V 1.4V 36 35 34 2149 22n VSTABB FM-IF2 33 0.7V 5114 3 AM-AFC 32 1.4V T015 1 AGC P1 31 P0 30 CONTROL Write 29 Enable DATA 28 T037 2161 x T032 100n 2163 x 100n CLOCK 27 2145 VCO 3142 3141 100k 56k 8 I-TUNE 1.3V 9 VCO 1V Charge Pump 7101 TEA5757 z_TEA5759 T012 0.7V 10 AF-Out 2127 1.2V 11 MPX-IN 220n STEREO DECODER Mono/ Stereo AFC 26 Dig.GND 5121 2167 XTAL OSC. 25 75KHz 12p 1.3V 3169 2166 150k Mono/ 24 stereo 0.3V 1n Stereo mono 4.9V Vdd Vcc2 23 8V Vdd Fieldstrength Indic. FM-Demod. AFCAFC+ 2126 330p 4103 LPF MUTE left FILTER PILOT right IF GND 12 0.8V 13 0.7V 14 0.7V 15 0.7V 16 1V 17 0.1V 18 1V 19 1.2V 20 1.2V 21 2V 22 11V 2141 T016 100n 2142 T017 100n T042 T041 CDA10.7MG61KA 2u2 2138 3179z 3143r 22k 2131 470n 2132 3145 2k2 470n 2133 1u Vcc1 3176r 1k 7103 r BC858C 3144r 1k buffer amplifier MPX to 1121 5119 4 3 2 6 1 DISCRIMINATOR 2168 2139 82p 15p 5120 3171 (2140) 2164 330R 470n 3140 150R 2 3140 and 5120 provisional as alternative 3147 z 3M3 2140 exchanged by 2164 (SMD type 0805) from layout stage 3317.9 onwards respectively 3103 303 3380.1 and 3103 308 3396.1 3178z 3M3 7125 z BC848C 1M AM-OSCILLATOR T011 220p 2146 220p 2147 220p 2148 22n 3170 100k 3157 100k 3158 470R AM-AFC 450 kHz P1 Programmable P0 Output Ports /14 FM-OIRT/MW/LW /14 FM-OIRT/MW /17 FM/AM-Stereo /17 FM/AM /.. FM/MW/2xSW /15 FM/MW/SW-Eu x - x x x - x - - - x - SW C x - - x - - x x - x x x x = component mounted SW = Software initialisation D 5V 150kHz, 50mVpp 3161 470R 3160 470R 3159 470R 1121 r 1 GND 0V stereo mono stereo T020 MPX from 3144 2 MPX 1126 E 0.3V 3 1 enable to/from CONTROL BOARD T021 0.2V 4 2 data T022 5 3 clock 3 T023 stereo 0.5V 6 4 stereo mono 4.9V F to/from COMBI BOARD / Source Selector part P1 3156 100k 7111 BC848C version detection 6120 1N4148 Vcc1 8V 3167 220R T024 1124 1 left T025 2 GND 4 G T026 3 right T027 (11 - 14V) 4 Vcc typ. 12V 22n 2130 Vdd T018 3155 8V 470R z_100R H 3152 470R 3153 470R 1u 2144 2143 3177z 3146 6107 220n T045 3154 150R BZX79-C11 10k 1130 1131 z z T030 1 V+ 22R T031 2 stereo I 3 STSIG Low=AM mono 4 P0 VCO-kill 2137 x T033 5 R-out 220n 2135 x T034 6 L-out J 220n T035 7 L-FM to/from AM-stereo module 2136 15n_y22n 2134 15n_y22n HN1V02H 3 6 T036 8 R-FM 6105 5 9 P1 +FM T038 10 GND K T039 11 AM-IF AM-IF 4106 3132 4108 47R 9117 u 5123 4 6 MW 3 2 1 7122 w BC848C 5122w 4 6 LW 3 2 1 9 10 11 2122 w 3n3 2123 w 390p 2158 10p_w 2125 560p 3134 22k 2120 22p w_27p 7124w BC848C 3137 w 22k P0 MW=high 2160u 22n 12 13 14 6105 Chip jumper 1 8 2 7 3 6 41.. 4 5 HN1V02H 15 16 L Signal path r....for RDS version only s...for East European version (/14/34) only t....for Japanese version (/06/26) only u...for 2-band (FM/AM) version only v...for SW-version 3.9-12.1MHz only w...for LW only x....not for all versions y....for USA version (/17/37) only z....for AM-STEREO (/06/13/26/33) versions only 17 18 19 FM AM MPX (Audio Frequency) M AF - left/right ............. Vdc FM mode stereo V Vdc MW mode V EVM V Vdc LW mode N Voltages measured while set is tuned to a strong transmitter ECO5 systems, discr.coil, 030998 20 21 1101 A 1 1102 B 2 1103 D 2 1121 E20 1124 G20 1126 E20 1130 I20 1131 I20 2101 C 6 2102 G 7 2103 D 9 2104 B 6 2106 F 5 2107 G 6 2108 G 3 2109 G 3 2111 C13 2120 L11 2122 N11 2123 M11 2125 M11 2126 G 9 2127 G10 2128 C11 2129 C 9 2130 H17 2131 I10 2132 I10 2133 H11 2134 J17 2135 J18 2136 J17 2137 J18 2138 H12 2139 H13 2140 H14 2141 H14 2142 H14 2143 I17 2144 H17 2145 G16 2146 F15 2147 F16 2148 F16 2149 C15 2150 B13 2152 F 7 2153 E 8 2154 E 7 2155 D 8 2158 M11 2159 F 9 2160 M12 2161 D16 2163 E16 2164 H14 2165 C 9 2166 G16 2167 F16 2168 I 13 3101 E 7 3102 E 7 3103 C 8 3104 B11 3105 C 7 3108 E 3 3109 F 2 3110 F 6 3113 C13 3119 B13 3120 C 6 3123 M 7 3125 M 6 3128 M 8 3132 L 9 3134 M12 3137 M13 3140 I13 3141 G10 3142 G 9 3143 I10 3144 I10 3145 H10 3146 I17 3147 I15 3152 H18 3153 H19 3154 H18 3155 H17 3156 G17 3157 F17 3158 F18 3159 F18 3160 E18 3161 E18 3167 G18 3169 G15 3170 F17 3171 H15 3175 B16 3176 J 9 3177 I18 3178 I15 3179 I16 3180 M7 431081 GE85 4102 F 5 4103 G 9 4104 B13 4105 B11 4106 K12 4108 L 9 5102 E 4 5103 F 4 5109 B13 5110 B14 5111 A13 5112 A15 5113 B12 5114 C16 5119 I 12 5120 H13 5121 F15 5122 M11 5123 L11 5130 E 8 5131 D 8 6103 C 2 6104 C 3 6105 K12 6105 E 6 6106 C 6 6107 H17 6120 G16 6130 E 7 6131 D 7 7101 G11 7102 D 8 7103 I 9 7104 E 3 7105 F 2 7109 M 7 7111 F18 7119 B13 7122 M 9 7124 M13 7125 I16 9100 B 4 9101 C 6 9117 L10 9128 A 4 PCS 102 352 8-1 MULTI-CHANNEL DECODING MODULE TABLE OF CONTENTS Troubleshooting ....................................................... 8-2 Block-diagram ........................................................ 8-3 Partslist .................................................................... 8-4 PCS 102 495 8-2 MULTI-CHANNEL DECODING MODULE - Troubleshooting To start service test program hold Bass & Treble depressed while switching the mains on Virt. Mode No Button pressed? Yes Does the MDM SW-version No appear in the screen? Yes Virt. Mode Button pressed? Yes Connect CD player to Coax 1 Play track 15 of *Audio SignalsTest Disc 1 Yes Can sound be heard on ALL No Channels ? Yes Virt. Mode Button pressed? Yes Connect CD player to Coax 2 Play track 15 of *Audio SignalsTest Disc 1 Yes Can sound be heard on ALL No Channels ? Yes MDM TEST No Is 6V5 present on pin 6 conn. 1802? Is +12V present on pin 11 conn. 1802? Is -12V present on pin 12 conn. 1802? Yes At this moment the MDM module is set to "Service mode" Check the relevant components of the missing voltage on the monoboard Replace MDM module Use a CD-player with a coaxial digital out Replace MDM module SPDIF - Sony Philips Digital Inter Face *Audio Signals Test Disc 1 = SBC429 4822 397 30184 Replace MDM module Press Virt. Mode Button Yes Connect CD player to Optical 1 In Play track 15 of *Audio SignalsTest Disc 1 Yes Can sound be heard on ALL No Channels ? Yes Use a CD-player with an optical digital out Replace MDM module Press Virt. Mode Button Yes Connect CD player to Optical 2 In Play track 15 of *Audio SignalsTest Disc 1 Yes Can sound be heard on ALL No Channels ? Yes Use a CD-player with an optical digital out Replace MDM module Press Virt. Mode Button Yes Yes Connect CD player to the Analog CD-input Play track 15 of *Audio SignalsTest Disc 1 Yes Can sound be heard on ALL No Channels ? Yes Does a valid SPDIF -signal, No containing a sine-wave of 1kHz appear on the coax out? Yes MDM is working properly Replace MDM module Replace MDM module PCS 102 496 -12V NJM2058 +12V +3V3 (digital) +5V (analog) +3V3 HC125 +5V Dig. Switch +3V3 8-3 BLOCK-DIAGRAM PCS 102 497 MULTI CHANNEL DECODING MODULE 2000 MDM200 Dig In 1 (coax) +3V3 Dig Out (AKM) Dig Out Selector Line Dig Out (DSP) Dig In 2 (coax) Dig In 3 (opto) Dig In 4 (opto) AK4112 (AK4110) Dig. Audio Receiver 12.288 MHz U-bits DAI1 +5V SPI SPI MCLK1 MCLK0 BCK WS 6 +6 LF50CV +5V LF33CV +3V3 5-8-10 gnd s 3 sda 1 4 scl 1 dd reset I2C I2C Reset 2 dd req Request 1802 Dig Output Selector-line P83C654 Microcontroller SPI XSYS CTRL (2.667MHz) 256*fs / 128*fs SPI 16MHz SPI XSYS MCLK0 256*fs BCK WS DAI0 DAO0 DAO1 DAO2 DAO3 DSP56362 Control Address-bus (0..15) Databus (0..23) AK4324 +5V 2-ch DAC Ld WS BCK Rd MCLK1 CTRL BCK WS 7 r in Analog In (R) 9 l in Analog In (L) 1802 Quad OP-AMP L (diff) R (diff) Ls MCLK0 Rs AK4527 L SPI 2-ch ADC R 6-ch DAC C SW NJM2058 +12V NJM2058 +12V -12V Dig Out 1 (coax) MEMORY (3x CY7C1399-12 + M27W101) OP-AMP Quad -12V Downmix Left Downmix Right Surround Left Surround Right 10 l dmix 12 r dmix 7 sl out 8 sr out 2-4-6-11 gnd s Front Left Front Right Center Subwoofer 1 l out 3 r out 5 c out 9 subw out 1803 OP-AMP Quad ELECTRICAL PARTSLIST - MDM MODULE 1003 3104 217 06390 MDM 2000 MODULE 1701 1702 1704 1705 4822 252 51172 4822 252 51172 2422 543 01118 2422 543 01132 FUSE 0,315A FUSE 0,315A CRYSTAL 16MHZ CRYSTAL 12MH28 1800 1801 1802 1803 4822 267 31729 4822 267 31448 2422 025 10253 2422 025 10253 COAX OUT CONN. COAX IN CONNECTOR CON 12P. MALE CON 12P. MALE 8-4 2702 4822 123 14025 16V 2200U 20% 6800 4822 218 11487 CONN. FIBER-GLASS GP1F32R 6801 4822 218 11487 CONN. FIBER-GLASS GP1F32R 7701 9322 146 09687 LF50CV 7702 4822 209 16978 LF33CV Note: Only the parts mentioned in this list are normal service parts. Component side view out gnd in LF33CV 7702 108 7705 73 7706 7708 16 1 28 15 28 15 28 15 EPROM 72 SRAM SRAM SRAM 1702 109 Optical 2 in 6801 Optical 1 in 6800 1704 XTAL Coax out Coax 2 in 1800 1705 1 XTAL 14 5701 1801 7701 2702 LF50CV Coax 1 in 1701 AK in out gnd 4110 15 28 DSP56362 1 14 1 7707 14 1 14 7709 17 32 37 144 1 7712 1802 36 12 11 1 44 AK 4527 7713 12 1 AK 4324 7714 13 24 34 22 23 33 1803 1 12 1 12 Copper side view PCS 102 498 14 8 OPAMP 7717 12 1 7 14 8 7710 10 11 LVC244 1 20 OP- 7716 AMP 1 7 34 7715 8 AMP OP- 14 1803 1 12 1 7 23 33 22 12 MUP 11 7711 44 1 7 7703 1802 1 1 HCT125 8 14 Optical 2 6801 in Optical 1 6800 in 1800 Coax out 1801 Coax 2 in Coax 1 in 9-1 MAINS BOARD TABLE OF CONTENTS Circuit diagram ........................................................ 9-2 Component layout ................................................... 9-3 Partslist .................................................................... 9-5 PCS 102 300 9-2 9-2 MAINS BOARD - CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 0051 D9 1051 B1 MAINS BOARD 1052 D1 1053 C1 1054 D1 A LIVE 1061 1 NEUTRAL 2 9053 9052 1056 1 2 4n7 Stand by Relais 1062 21 4 3 SDT-R 9055 not for /01 9056 4 56 only for /01 1055 SDKGA only for /01 1 23 1065 7 5 3 1 1063 only for /01 1N4148 1N4148 6057 6058 1055 B5 1056 A2 1057 D9 A 1061 A1 1062 A3 1063 B6 1064 C6 1065 B6 1066 C6 1067 B2 1068 D4 1069 D6 2051 E7 2052 E7 TO MAINS TRANSFORMER PRIMARY SIDE B 2055 only for /17 9054 see table 9057 see table 3058 2K2 7053 BC337-25 B 2053 F7 2054 F7 2055 B2 3051 F4 3052 C6 6063 1N4148 1N4148 9059 1051 1 2 not for /17 C 1053 1 2 not for /17 1054a 2 1 D /17 only 1054b 2 1 /17 only 1067 T5A in /01 T2,5A in /00 VALUE TABLE for FUSE 1065 and 9057 Only for /01 Power Version FR740 FR760 FR965 FR975 60W 100W IEC - 4A 9057 X - not for /01 VALUE TABLE for Power Version FUSE 1066 FR740 FR760 and FR965 FR975 9063 60W 100W IEC - 4A 9063 X - UL=/17 4A 5A 1066 see table 9063 see table not for /01 9060 1068 T200mA only for /01 5052 5 6 4 7 3 8 5,5V 10V not for /01 1069 T315mA 9096 only for /01 6051 3052 1N4148 1K 6062 3053 1N4148 1K 12R 3057 2 1 1064 6064 S S 1N4003GP (4x) 9061 not for /01 6052 6055 1057 1 2 REL MFD 3 +V 4 GND S T0 1254 monoboard supply part 12,7V 25,3V 7051 BC327-25 12,7V 6059 3V 12V 2051 47n 3053 C6 3054 E8 3055 E8 3056 F6 3057 C9 3058 B8 3059 E6 C 3061 E6 5051 A2 5052 D5 6051 D6 6052 E7 6053 E6 6055 E7 6056 E7 6057 B9 6058 B9 6059 E9 6060 F9 D 6061 F8 6062 D6 6063 B9 6064 C9 6065 F6 6066 D6 6067 E7 7051 E8 7052 F8 7053 B9 1N4148 10k 10k 1N4148 6067 3061 3059 6066 E 2 9 S 1 10 5,5V 47n 2052 6053 6056 1N4003GP 9051 A2 9052 A2 E 9053 A2 10V 25V 12V 9054 B2 Stand by Transformer 3054 4K7 3055 2K2 9055 A4 9056 A6 9057 B5 10M 3051 only for /17 S 12,6V 6065 12,0V 7,2V 8,3V 25V 6,5V 7052 BC547B 9059 B4 9060 D4 9061 D8 9063 C6 9064 A5 9065 B1 3056 10K 2053 100u 2054 100u 25 BZX79-C8V2 6061 F /00 = /22 /01 = /21 /17= /37 mdi 22-03-00 3104 217 06610/06630/06650/06660/06670/06680/06690 1N4003GP ............... Vdc measured during AMPLIFIER ON V EVM V Vdc measured during AMPLIFIER OFF (mute) Voltages measured at nominal mains voltage and low output signal S S 6060 11,4V 1N4003GP S ELECTRONIC VOLTAGE SELECTOR FOR STAND BY CIRCUIT MAINS VOLTAGE FOR /01 ONLY 230V 120V F 9066 B1 9092 E2 9093 E2 9094 F2 9095 F2 9096 D6 1 2 3 4 5 6 7 8 9 MAINS TRAFO PART Primary part Trafo 8076 only /01 7 5 To 1063 3 mains board only /01 1 9071 9072 9073 9074 8077 2 To 1064 mains board 1 9075 9076 * 1074 9077 9078 9062 9098 FR740 FR965 x x - FR760 FR975 x x x /00 = /22 /01= /21 /17= /37 5001 1 2 1 3 2 4 3 5 4 6 5 7 6 8 9 10 11 12 9058 *9062 *9098 9099 Secondary part Trafo *1074 1 2 3 4 5 *9078 1073 1 2 To 1251 3 monoboard 4 supply 5 *9077 To 1252 monoboard supply 3079 only for /01 1R 9097 not for /01 1072 1 2 To 1255 3 monoboard 4 supply 1079 T2A 1078 T1,6A 1071 1 2 To 1253 monoboard 3 supply mdi 22-03-00 PCS 105 722 10-1 MONO2 BOARD TABLE OF CONTENTS Measurement hint ................................................ 10-2 P50/Speaker/Video Selector layout ........................ 10-3 Circuit diagram Source selector ............................. 10-4 Circuit diagram Volume controle ............................. 10-5 Circuit diagram Supply ............................................ 10-6 Circuit diagram Amplifier ......................................... 10-7 Component layout ................................................... 10-8 Mappings Components & Chips side........................ 10-9 Component layout copper side view ...................... 10-10 PCS 105 724 10-4 1 2 3 4 5 6 7 8 9 10 11 12 13 SOURCE SELECTOR PART FR965 - FR975 A 1511 1 3950 Tuner L 1k8 Tuner 4 +12 2 +....V 2511 100p 47k 3513 3 TU 3951 TU 1k8 TU Tuner R B 2512 47k 3514 100p 1512 2 3515 TU TU CDR Rec L 470E CDR/Tape Out 1 C 3 3516 470E 2513 100p CDR CDR Rec R CDR 2514 100p D CDR/Tape In 5 3517 CDR CDR Play L 39k 8k2 2515 4 3519 100p 6 3518 39k CDR CDR CDR Play R +12 +12V 3553 270E 2557 47µ 2555 100n CDR 7 4501 2516 100p 8k2 3520 E 1513 CDR CDR CDR 2 3521 39k CD L CD 1 2517 100p 8k2 3523 12 13,5V 3554 270E D D 2558 47µ D 2556 100n D F 3 3522 CD 39k CD CD R 8k2 CD 2518 3524 100p 5 3525 CD CD SAT L 39k SAT 4 G 2519 100p 8k2 3527 6 3526 SAT SAT SAT R 39k SAT 7 4502 2520 100p 8k2 3528 SAT SAT SAT 1514 H 2 3529 VCR Rec L 470E VCR Out 1 2521 100p 3 3530 470E TAPE VCR Rec R +12V +12 TAPE 2522 I 100p 270E 3566 VCR In J 5 3531 39k 4 6 TAPE 7 4503 3532 39k TAPE TAPE VCR Play L 2932 100p TAPE 8k2 3533 TAPE VCR Play R 2933 100p TAPE 8k2 3534 TAPE 1515b K 4 Front AV L 3535 18k Front AV L 560E Phono L 2585 82p 3577 2575 10µ PH 2561 22µ 5 8 PH 7 6 7571b NJM4560D 3579 390k 2577 3581 27k 2579 10n 2n2 5 FAV 6 Front AV R 3536 18k 2523 100p FAV 3k3 3549 FAV Front AV R L To 1437 Front part Not in FR965 2524 100p FAV 3k3 3550 FAV 1516 5 3573 2571 1k Phono In M 56k 330k 10µ 2573 4 3571 3575 220p PH 3574 2572 PH PH 6 1k 56k 330k PH 10µ 2574 3572 3576 220p 2 PH 3537 PH PH 39k N TV 1 2525 100p 8k2 3539 PH 2576 10µ 3578 Phono R 2586 82p TV L 560E 270E 3580 390k 2578 3582 27k 2580 10n 2n2 7571a 2 NJM4560D 1 3 4 3567 2562 22µ PH 12 13,5V 3538 TV TV 3 39k TV R TV 7 4504 2526 100p 8k2 3540 O PH TV TV +12sel +12V 12sel 13,5V 2581 47µ 3583 10k 2582 47µ 3584 10k SOURCE SELECTOR PART FR965 - FR975 3104 217 06420 / 06430 / 06490 1 2 3 4 5 6 7 1k5 1k5 Tuner L CDR Play L CD L SAT L VCR Play L Front AV L CDR Rec L VCR Rec L 7501 LC7821 1 L1 2 L2 3 L3 4 L4 6 L5 7 L6 9 L7 10 L8 +12V +12sel 19 VDD 5 8 11 VCR Rec R CDR Rec R 18 RES 3555 +12sel +12V 3k3 2559 33n 6501 1N4148 D 17 S +12sel +12V D 21 R8 22 R7 CE 13 LOGIC DI 14 CL 15 VSS 16 D 20 Front AV R VCR Play R 24 R6 23 25 R5 SAT R 27 R4 CD R CDR Play R 28 R3 26 29 R2 Tuner R 30 R1 VEE 12 12sel 13,5V Left 3585 PH 2583 3n3 PH Right 3586 PH 2584 3n3 PH 8 Downmix L 7572 LC7821 1 L1 +12V +12sel 19 VDD 2 L2 5 3 L3 4 L4 IN 6 L5 8 Left 7 L6 9 L7 10 L8 IN 18 RES 11 IN CE 13 DI 14 +12sel 17 S +12V LOGIC CL 15 VSS 16 Right Downmix R 21 R8 22 R7 IN 24 R6 25 R5 27 R4 28 R3 IN 29 R2 30 R1 D 20 IN 23 26 VEE 12 12sel 13,5V 9 10 11 1k 1k 1k 1k 1k 1k D 2627 100p D 2622 100p D 2623 100p 3630 3631 3632 Left Rec L 3633 3634 3635 2624 100p D 2625 100p D 2626 100p D Rec R Right 12 13 PCS 105 727 10-4 14 15 16 17 +12V +12 39k 2k7 270E 2541 10µ 3636 470E 3541 IN IN 2508 100p 3 2549 22p 2 3543 2543 220µ IN 3551 2553 2551 47µ 100n 8 IN IN 1 7503a NJM4560M 2545 100p 3545 10k 4565 39k 2k7 270E 2542 10µ 3637 470E 3542 IN IN 2544 220µ 3544 6 2550 22p 5 3546 10k 7503b NJM4560M 7 2546 100p 4 2509 100p IN 3552 2554 47µ IN 12 13,5V 2552 100n IN Rec L Rec R 4566 +12V +12 270E 3557 3613 470E 3614 470E 3 2599 22p 2 100k 4k7 2510 100p IN 3591 3593 2593 22µ IN IN IN 2594 22µ 3594 6 2600 22p 5 2527 2529 47µ 100n 8 IN IN 1 3615 470E 7504a NJM4560M 3595 4k7 2595 Rec L 100p 3596 4k7 2596 100p 7504b NJM4560M 7 3616 470E Rec R 4 100k 4k7 270E 2570 100p IN 3592 IN 3556 2528 47µ IN 12 13,5V 2530 100n IN 14 15 16 17 18 19 20 A 3k9 10k B 3587 3589 IN 3588 3590 IN Left out to Left in C Left MDM D Right out to Right in Right MDM E F To / From Volume Control Part G 3k9 10k H DownmR DownmL ss ce I ss clk ss data J K L D TU CD M CDR SAT PH TAPE TV IN FAV N .....V - Voltage measured during normal operation - Source position : Tuner FM - No special features ON .....V Stand by O LEU0177/0015 LEU0177R/0015 18 19 20 1511 A1 1512 B1 1513 E1 1514 H1 1515b K1 1516 L1 2508 B15 2509 F15 2510 L14 2511 A3 2512 B3 2513 C3 2514 C3 2515 D3 2516 E3 2517 F3 2518 F3 2519 G3 2520 G3 2521 H3 2522 I3 2523 K3 2524 L3 2525 N3 2526 O3 2527 K16 2528 N16 2529 K16 2530 N16 2541 B14 2542 F14 2543 C15 2544 E15 2545 C16 2546 E16 2549 C15 2550 E15 2551 B16 2552 F16 2553 B16 2554 F16 2555 D6 2556 E6 2557 D6 2558 E6 2559 D9 2561 I6 2562 N6 2570 N14 2571 M3 2572 M3 2573 M4 2574 M4 2575 K5 2576 L5 2577 K5 2578 L5 2579 K6 2580 L6 2581 J7 2582 M7 2583 J8 2584 M8 2585 J5 2586 M5 2593 L15 2594 M15 2595 L16 2596 M16 2599 K15 2600 M15 2622 D12 2623 D13 2624 M12 2625 M12 2626 M13 2627 D12 2932 J3 2933 J3 3513 B3 3514 B3 3515 B2 3516 C2 3517 D2 3518 D2 3519 D3 3520 E3 3521 E2 3522 F2 3523 F3 3524 F3 3525 F2 3526 G2 3527 G3 3528 H3 3529 H2 3530 I2 3531 I2 3532 J2 3533 J3 3534 J3 3535 K2 3536 L2 3537 N2 3538 N2 3539 N4 3540 O4 3541 C14 3542 F14 3543 C15 3544 E15 3545 C16 3546 E16 3549 K3 3550 L3 3551 B16 3552 F15 3553 D5 3554 E5 3555 D9 3556 N15 3557 J16 3566 I6 3567 N6 3571 M2 3572 N2 3573 M2 3574 M2 3575 M3 3576 N3 3577 J5 3578 M5 3579 J5 3580 L5 3581 J6 3582 L6 3583 J7 3584 M7 3585 J8 3586 M8 3587 D18 3588 E18 3589 D18 3590 F18 3591 L15 3592 N15 3593 L15 3594 M15 3595 L16 3596 L16 3613 K14 3614 N14 3615 K16 3616 M16 3630 E12 3631 E12 3632 E13 3633 L12 3634 L12 3635 L13 3636 B14 3637 F14 3950 A2 3951 B2 4501 E2 4502 H2 4503 J2 4504 O2 4565 C17 4566 E17 6501 D10 7501 A10 7503a C16 7503b E16 7504a K16 7504b M16 7571a M6 7571b J6 7572 J10 10-5 10-5 10-5 1 2 3 4 5 VOLUME CONTROL PART FR965 - FR975 A Left in from Left out Right in from Right out DownmR B To / From DownmL Source Selector Left MDM Part Right MDM ss data ss clk C ss ce D E F G ss ce ss clk ss data 1520 1 2 3 10 7 D H 8 9 amp lr on 11 amp prot 14 dd reset 15 I dd req 4 sofac scl 5 sofac1 sda1 6 sofac2 sda2 12 amp mute lr amp mute 13 J c s sub To/From 1410 Front panel From Amplifier MDM 4642 dd reset dd req 4644 sda 1 scl S 4653 S S 12 13,5V S S 1521 1 2 3 4 5 6 7 8 9 10 11 12 0E +6,8V +6 4259 r in l in +12 +12V 2861 1523 1 2 3 4 5 S 22n D l out r out c out 6 S 7 sl out 8 sr out 9 subw out 9648 10 l dmix 11 S 12 r dmix sofac scl sofac1 sda1 sofac2 sda2 mute lr mute c s sub K 1542 1563 1503 3 1 1 Centre/ Subwoofer 2835 4 1n 2 2 1 S2 S2 2836 3 3 2 1n L S2 5 4835 1502 S 2 M Front Left/Right 1 3 S1 N Surround Left/Right O 5 4 6 S3 7 9506 S VOLUME CONTROL PART FR965 - FR975 3104 217 06420 / 06430 / 06490 1 2 3 6 CH DVD INPUT PART 3952 100E S2 3953 100E 3511 100E 3512 100E 3954 100E 3955 100E 3505 15k 2507 1n S2 3506 15k 2506 1n S2 3501 15k 2501 1n S1 3502 15k 2502 1n S1 3509 15k 2505 1n S3 3510 15k 2934 1n S3 Center Subwoofer Front L Front R Surr L Surr R 4 5 6 7 8 9 3620 100E 2868 220p S1 3941 220E 2883 1n S1 Front L 2862 100p S1 3621 100E 2869 220p S1 3940 220E 2884 1n S1 Front R 2863 100p S1 56k 100k 100k 56k 100k 100k 3641 2641 1µ 7641 TDA7437 S1 2643 16 STEREO 1L 17 STEREO 2L 3643 S1 1µ 18 2645 15 1µ 14 STEREO 3L STEREO 4L DIFF L LEFT CHANNEL 13 DIFF GND L 3645 11 MONO SOURCE 5 DIFF GND R SELECTOR S1 2642 6 DIFF R 8 STEREO 1R 1µ 3642 2644 S1 1µ 9 STEREO 2R 10 STEREO 3R RIGHT CHANNEL 7 STEREO 4R 2646 3644 1µ S1 3646 S1 3945 220E 2885 1n S2 Center out 2864 100p S2 3944 220E 2886 1n S2 Subwoofer 2865 100p S2 56k 100k 56k 100k 3649 2649 1µ S2 2651 S2 7642 2647 TDA7437 1µ 16 STEREO 1L 17 STEREO 2L 18 STEREO 3L 1µ 3651 15 STEREO 4L 14 DIFF L LEFT CHANNEL S2 2648 3650 1µ 13 DIFF GND L 11 MONO SOURCE 5 DIFF GND R SELECTOR 6 DIFF R 2650 S2 1µ 2652 8 STEREO 1R 9 STEREO 2R 10 STEREO 3R RIGHT CHANNEL 1µ 3652 7 STEREO 4R S2 10 11 12 13 14 15 16 3k3 1k 2k7 5k6 2871 10n 3871 3873 S1 2659 2 µ2 21 20 MUX- IN OUT L L 2665 47n 12 LOUD L S1 2671 6n8 44 TREBLE L IN GAIN VOLUME LOUDNESS TREBLE S1 3659 3883 12k 2695 2877 100n 2683 22n 22 2677 22n 23 68n 3661 24 S1 2689 68n 25 34 +9,4V +9 32 41 MID MID BASS BASS FRONT REAR IN L OUT L IN L OUT L L L MIDDLE BASS MUTE VOLUME 2 FADER DVDD DIGITAL SUPPLY I2C INTERFACE 2533 22µ 3671 47k INS S1 DGND 36 D 2633 22n S1 CLK 38 3675 sofac scl 100E DATA 37 sofac1 sda1 100E ADDR 40 3676 LOGIC CONTROL LEFT & RIGHT S1 SMEXT 28 MUTE PAUSE 35 IN GAIN VOLUME LOUDNESS TREBLE MIDDLE BASS MUTE VOLUME 2 FADER CONTROL ANALOG CSM 19 2630 100n AVVD 42 S1 +9 MUX- IN OUT R R LOUD R TREBLE MID R IN R MID BASS BASS FRONT REAR OUT R IN R OUT R R R SUPPLY CREF AGND 2637 47µ +9,4V 2636 100n 3 2 2660 2 µ2 S1 3872 3874 2872 1k 4 2666 47n 1 2672 6n8 S1 31 2684 22n 30 26 S1 2678 22n 3662 2696 5k6 27 33 2690 68n 2k7 3660 68n 2878 29 39 43 2564 2 µ2 S1 S1 2534 47k S1 S1 S1 3672 3k3 S1 12k 10n 3884 100n 22µ 3k3 2873 10n 3875 3877 S2 2661 1k 2667 S2 2673 2k7 S2 3663 2685 2679 3885 12k 2697 2879 100n 68n 3665 5k6 2691 +9,4V +9 47k 2535 22µ 3679 2k2 3677 2 µ2 47n 6n8 22n 22n 68n 21 20 12 44 22 23 24 S2 25 34 32 41 INS S2 D MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR DVDD 2634 OUT L L L L IN L OUT L IN L OUT L L L 22n DIGITAL DGND 36 IN GAIN VOLUME LOUDNESS TREBLE MIDDLE BASS MUTE VOLUME 2 FADER SUPPLY I2C INTERFACE S2 CLK 38 3681 sofac scl 100E DATA 37 sofac1 sda1 100E ADDR 40 3682 +9 LOGIC CONTROL +9,4V CENTER + SUBWOOFER SMEXT 28 IN GAIN VOLUME LOUDNESS TREBLE MUX- IN OUT R R 3 2 2662 2 µ2 LOUD R 4 2668 47n 3878 S2 TREBLE R 1 2674 6n8 S2 MUTE PAUSE 35 MIDDLE BASS MUTE VOLUME 2 FADER CONTROL ANALOG CSM 19 2631 100n AVVD 42 S2 +9 SUPPLY +9,4V MID IN R MID BASS BASS FRONT REAR OUT R IN R OUT R R R CREF AGND 2639 47µ 2638 100n 31 30 26 S2 2686 2680 27 33 2692 29 39 43 2565 S2 S2 5k6 22n 22n 3666 68n 2698 2 µ2 S2 S2 S2 47k 2k7 3664 68n 2880 2536 3678 3680 S2 12k 2k2 3886 100n 22µ 3k3 1k 1k 3949 220E 2887 2n2 S3 Surr L 2866 100p S3 3948 220E 2888 2n2 S3 Surr R 2867 100p S3 56k 100k 56k 100k 7643 TDA7437 3655 2655 1µ 16 S3 17 2657 18 STEREO 1L STEREO 2L STEREO 3L 1µ 3657 15 STEREO 4L 14 DIFF L LEFT CHANNEL S3 13 DIFF GND L 11 MONO SOURCE 5 DIFF GND R SELECTOR 3656 6 2656 1µ 8 S3 9 2658 10 DIFF R STEREO 1R STEREO 2R STEREO 3R RIGHT CHANNEL 1µ 3658 7 STEREO 4R S3 Only in FR975 Only in FR965 $ Only in FR965/17 .....V - Voltage measured during normal operation - Source position : Tuner FM - No special features ON .....V Stand by 2875 10n 3879 3881 S3 2663 2 µ2 21 20 MUX- IN OUT L L 2669 47n 12 LOUD L S3 2675 6n8 44 TREBLE L S3 3667 3887 12k 2699 2881 100n 2k7 2687 22n 22 2681 22n 23 68n 3669 24 S3 5k6 2693 68n 25 34 MID MID BASS BASS FRONT REAR IN L OUT L IN L OUT L L L IN GAIN VOLUME LOUDNESS TREBLE MIDDLE BASS MUTE VOLUME 2 FADER LOGIC CONTROL SURROUND LEFT & RIGHT IN GAIN VOLUME LOUDNESS TREBLE MIDDLE BASS MUTE VOLUME 2 FADER 3k3 1k 2k7 5k6 MUX- IN OUT R R 3 2 2664 2 µ2 S3 3880 3882 2876 10n LOUD R 4 2670 47n TREBLE R 1 2676 6n8 S3 MID IN R MID BASS BASS FRONT REAR OUT R IN R OUT R R R 31 2688 22n 30 26 S3 2682 22n 3670 2700 27 33 2694 68n 3668 S3 68n 12k 3888 2882 100n +9,4V +9 32 41 DVDD DIGITAL SUPPLY I2C INTERFACE 2537 22µ 3685 2k2 3683 47k INS DGND 36 S3 D 2635 22n S3 CLK 38 3687 sofac scl 100E DATA 37 sofac2 sda2 100E ADDR 40 3688 S3 SMEXT 28 MUTE CONTROL PAUSE 35 CSM 19 2632 100n S3 ANALOG SUPPLY AVVD 42 2629 CREF AGND 47µ 29 39 43 S3 2566 S3 +9 +9,4V 2628 100n S3 2 µ2 47k S3 S3 3684 2538 3686 2k2 22µ 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3673 Left 2k2 7651 +9V Voltage Regulator 3891 IN LR 8k2 BC817-40 IN LR HP 3603 3601 2617 100E 10µ 100k +12 +12V 2937 3629 10E 5 8 HEADPHONE AMPLIFIER 2614 100µ HP 7 2615 22n HP 3609 2607 47k HP 3611 HP 2619 100p 1515a 1 1601 1 +12 +12V 3561 4E7 7644 BC337-40 3562 +9 +9,4V Left Right Center Left out to Left in Right out to Right in Center out to Center in A To Amplifier 470E 22k 6641 $ 1N4148 +4,8V +4,8V +5mute +5mute BAS216 +4,8V +5mute 2567 4µ7 10k 3696 3689 7657 BC857B 3697 2k2 12k 2k2 220p 3605 2603 22µ HP HP 2604 120E 6 3622 47µ 7601b 120E NJM4556AM 3607 33k 6601 1N4148 7621 BC817-40 HP 2k2 2605 3938 47p MUTE 3608 33k 3939 HP L 3 3 HP Gnd 2 2 HP R To 1437 To 1439 Front Part Front Part 2539 100µ SS 6650 BZX79/ C10 2540 47µ S 6649 +5D HP +5mute V Surround Right Surround Right out to Surround Right in Surround Left Surround Left out B to Surround Left in Center pre-out S3 S2 1525 2 2569 100p 1 Center C pre-out 220k mute lr MUTE 3695 12 13,5V 3690 2k2 12k 22µ 3606 2610 2606 47p 7601a 6602 1N4148 3623 2 NJM4556AM 120E 1 3610 2608 120E HP 7622 BC817-40 +5V +4,8V 1N4003GP 2563 D 2200µ D A S1 IN S S2 3 S2 4 4652 D 6642 1N4148 IN LR 220p 3 3602 2618 100E 10µ 3604 4 2611 3627 10E 2616 47µ 12 13,5V 47k 3612 HP 2620 100p HP S2 VIDEO SELECTOR PART a 100k IN LR 100µ 22n 1526 1552 1554 3821 8k2 3892 7652 HP HP HP +12 4 4 1 +12V 100E +8video +8,5V E 3674 BC817-40 Right 3 3 2 6811 2812 2811 2k2 BZX79/ 220µ 10n V Center 3 V sda C8V2 To Video Selector part b 8k2 3820 3893 7653 BC817-40 IN C 6643 1N4148 IN C 2531 220n 2851 100k S2 S S 3857 2860 47µ 2926 100n 3 8 270E 3856 1 2612 +12 +12V 3560 1k Center pre-out 4 V scl 5 P gnd To 1960 SVHS Video Selector 100E 6810 BZX79/ C5V1 2810 220µ 2809 10n +5video +5V F +4,8V +4,8V +4,8V +5mute +5mute +5mute 2k2 2568 4µ7 10k 3699 3691 7658 BC857B 3700 22p 2 10µ 7660a NJM4560M 47k 3618 7661 BC817-40 56k 3853 10k 2853 22µ S2 3851 3k3 2855 S 3859 10k S 6647 1N4148 $ S BAS216 3889 2k2 100p 2 2 1 1 S2 SUBWOOFER PART 3834 100E 2834 100p 1550 2 G Subwoofer pre-out 3 4832 1 22k 220k mute c s sub 3698 MUTE 12 13,5V 2k2 3692 6644 1N4148 S2 7654 BC817-40 4k7 100k S2 2854 22µ 3854 2852 22p 2532 220n 3852 22k 2856 100p 7660b 6 NJM4560M 7 5 4 3858 2858 47µ 2k2 3860 10k S S 3890 BAS216 1N4148 $ S 6648 47k 2613 10µ 3855 270E 2857 3619 3563 1k 12 13,5V 7662 BC817-40 Subwoofer pre-out 100n S2 S S H 1560 6 P P50 P50 PART 3831 100E 1540 2 P gnd To 1402 Front Part V sda V scl 5 3 P P gnd 4 2831 100p Cinema 1 link P50 I 3 V sig V gnd 1 2 3819 2804 10µ 2837 100p V gnd V sig 2832 100n 47E 3832 6831 6832 2x 1N4148 4 2833 22n P P P P P J V gnd V gnd +5V +5video VIDEO SELECTOR PART b VCC PVCC1 10E PVCC2 PVCC3 8k2 3895 IN S Surround Left 7655 BC817-40 IN S 6645 1N4148 3693 2k2 2k2 3694 6646 1N4148 $ BAS216 IN S IN S 7656 BC817-40 3896 Surround Right 8k2 7803 STV6401 3 20 19 18 SCL 11 3806 K BUS 1k 1801 1 2805 4 VI1 BUS DECODER SDA 9 BUS 3805 1k +8,5V +8,5V +8,5V DVD IN 2 68E 3801 6801 BZX79/ C6V8 100n 2815 6 VI2 +8video +8video +8video DB1 5 L 68E 270E 2k2 DIGITAL DB2 7 3810 3817 3816 3809 3 2818 1802b 22n 1 10E 2801 10µ 6802 BZX79/ C6V8 100n 2806 8 VI3 BUFFERS DB3 13 2817 1µ 470E 3812 6809 +7,8V 1N4148 +8,4V 7802 BC557B VCR IN 6803 100n CLAMPS SWITCHES O1 2 2813 +1,2V 3818 220E M 68E 3802 BZX79/ 1µ 7801 2814 +1V 2 C6V8 V sig BC847B 68E 120E 3811 5 2821 1803b 22n 1 10E 2802 10µ 6804 BZX79/ C6V8 2808 12 VI5 100n 2807 10 VI4 O2 16 3813 47p +0,6V 3815 1802a 3 6807 4 BZX79/ MON OUT N TV IN 3804 2 3814 5 2822 22n 10E 2803 10µ 68E 6805 BZX79/ C6V8 6806 BZX79/ C6V8 100n O3 15 14 GND 2816 22n VIDEO SELECTOR PART P GND C6V8 3803 68E 1803a 3 6808 4 VCR OUT BZX79/ C6V8 O LEU0180/0015 LEU0180R/0015 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1502 M1 1503 K3 1515a A23 1520 G1 1521 C4 1523 F4 1525 C30 1526 E24 1540 H30 1542 K1 1550 G30 1552 E24 1554 E25 1560 H25 1563 K2 1601 A23 1801 K21 1802a N30 1802b M21 1803a N30 1803b N21 2501 M4 2502 N4 2505 N4 2506 L4 2507 K4 2531 F19 2532 J19 2533 A15 2534 E15 2535 F15 2536 J15 2537 K15 2538 O15 2539 B25 2540 B26 2563 C25 2564 E15 2565 J15 2566 O15 2567 C17 2568 G17 2569 C29 2603 B19 2604 C19 2605 C20 2606 C20 2607 B21 2608 D21 2610 D19 2611 E20 2612 G21 2613 I21 2614 A20 2615 A21 2616 E21 2617 A19 2618 D19 2619 A22 2620 D22 2628 N16 2629 N16 2630 C16 2631 H16 2632 N16 2633 B16 2634 G16 2635 L16 2636 D16 2637 D16 2638 I16 2639 I16 2641 A8 2642 C7 2643 B7 2644 D8 2645 B8 2646 D8 2647 F8 2648 H8 2649 G8 2650 H8 2651 G8 2652 I8 2655 L8 2656 M8 2657 L7 2658 N7 2659 A10 2660 E10 2661 F10 2662 I10 2663 K10 2664 O10 2665 A11 2666 E11 2667 F11 2668 I11 2669 K11 2670 O11 2671 A11 2672 E11 2673 F11 2674 I11 2675 K11 2676 O11 2677 A12 2678 E12 2679 F12 2680 I12 2681 K12 2682 O12 2683 A12 2684 E12 2685 F12 2686 I12 2687 K12 2688 O12 2689 A13 2690 E13 2691 F13 2692 I13 2693 K13 2694 O13 2695 A13 2696 E13 2697 F13 2698 J13 2699 K13 2700 O13 2801 L23 2802 N23 2803 O23 2804 J26 2805 L24 2806 M24 2807 N24 2808 N24 2809 F28 2810 F28 2811 E28 2812 E28 2813 M27 2814 M29 2815 L24 2816 O27 2817 M27 2818 L22 2821 N22 2822 O22 2831 I28 2832 J28 2833 J30 2834 G29 2835 K2 2836 L2 2837 J27 2851 G19 2852 I19 2853 G19 2854 H19 2855 H20 2856 H20 2857 J21 2858 J20 2860 F20 2861 F5 2862 C7 2863 E7 2864 G7 2865 I7 2866 M7 2867 N7 2868 A7 2869 D7 2871 A10 2872 E10 2873 E10 2875 K10 2876 O10 2877 A13 2878 E13 2879 E13 2880 J13 2881 K13 2882 O13 2883 B7 2884 D7 2885 G7 2886 H7 2887 L7 2888 M7 2926 F21 2934 O4 2937 B19 3501 M4 3502 M4 3505 K4 3506 L4 3509 N4 3510 O4 3511 M3 3512 M3 3560 G21 3561 A25 3562 B25 3563 I21 3601 A19 3602 D19 3603 A19 3604 E19 3605 B19 3606 D19 3607 B20 3608 C20 3609 B21 3610 D21 3611 A22 3612 D22 3618 G21 3619 I21 3620 A7 3621 C7 3622 B21 3623 D21 3627 D21 3629 A20 3641 B7 3642 D7 3643 B7 3644 E7 3645 C7 3646 E7 3649 G7 3650 H7 3651 G7 3652 I7 3655 L7 3656 N7 3657 M7 3658 N7 3659 A12 3660 E12 3661 A13 3662 E13 3663 F12 3664 J12 3665 F13 3666 J13 3667 K12 3668 O12 3669 K13 3670 O13 3671 A16 3672 E16 3673 A17 3674 E17 3675 B16 3676 C16 3677 F16 3678 J16 3679 F16 3680 J16 3681 G16 3682 H16 3683 K16 3684 O16 3685 K16 3686 O16 3687 L16 3688 M16 3689 C18 3690 D18 3691 G18 3692 I18 3693 M18 3694 M18 3695 C18 3696 C18 3697 C17 3698 H18 3699 G18 3700 H17 3801 L22 3802 M22 3803 N29 3804 N22 3805 K27 3806 K27 3809 L22 3810 L28 3811 N22 3812 M28 3813 N28 3814 O22 3815 N29 3816 L29 3817 L28 3818 M29 3819 J25 3820 F27 3821 E27 3831 H28 3832 J28 3834 G28 3851 G20 3852 H20 3853 G19 3854 I19 3855 I21 3856 F21 3857 F20 3858 J20 3859 G21 3860 H21 3871 A10 3872 E10 3873 A10 3874 E10 3875 F10 3877 F10 3878 J11 3879 K10 3880 O10 3881 K10 3882 O10 3883 A13 3884 E13 3885 E13 3886 J13 3887 K13 3888 O13 3889 H22 3890 H22 3891 A17 3892 E17 3893 F18 3895 K18 3896 O18 3938 C21 3939 C21 3940 D7 3941 B7 3944 H7 3945 F7 3948 M7 3949 K7 3952 K3 3953 L3 3954 N3 3955 O3 4259 D4 4642 C3 4644 D3 4652 D30 4653 D3 4832 H29 4835 L2 6601 B21 6602 C21 6641 B18 6642 D18 6643 G18 6644 I18 6645 L18 6646 N18 6647 G22 6648 I22 6649 C25 6650 B26 6801 L23 6802 L23 6803 M23 6804 N23 6805 N23 6806 O23 6807 N29 6808 O29 6809 M28 6810 F27 6811 E27 6831 J29 6832 J29 7601a D20 7601b B20 7621 B22 7622 D22 7641 A8 7642 F8 7643 L8 7644 A25 7651 A18 7652 E18 7653 F18 7654 J18 7655 K18 7656 O18 7657 C18 7658 G18 7660a G20 7660b I20 7661 G22 7662 I22 7801 M28 7802 M29 7803 K24 9506 O2 9648 H5 PCS 105 728 10-6 10-7 10-7 1251 A1 1252 A1 1253 H1 1254 L1 1255 F1 1257 K9 1260 B3 1261 C3 1266 G9 2251 B3 2253 B4 2254 C4 2256 C6 2257 J5 2259 D7 2260 B7 2262 C7 2264 C7 2266 H3 2267 J6 2268 I4 2269 I4 2270 I5 2271 I7 2273 K4 2274 J7 2275 K4 2276 M5 2277 M7 2278 M2 2279 K5 2281 H5 2282 H7 2287 K4 2290 H5 2295 H6 3254 J3 3256 M3 3257 L3 3258 M3 3261 K5 3262 K6 3265 E5 3266 F7 3268 E5 3269 E6 3270 F7 3271 F8 3273 K6 3274 K7 3275 L7 3291 G4 3292 H7 3293 H6 3294 H6 3295 I7 4253 D5 6251 B4 6253 B5 6255 J7 6256 J7 6257 H3 6258 H3 6259 H4 6260 H6 6261 I3 6262 I3 6263 I4 6264 J7 6267 L6 6268 K2 6276 E7 6280 F6 6281 F6 7251 J5 7252 K5 7253 M3 7254 L6 7257 E5 7258 E6 7908 H6 7910 G6 9260 E5 1 2 3 4 5 6 7 8 9 10 MONOBOARD SUPPLY FR975 A 1251 1252 A 1 1 2 2 1260 B 6,3A 2251 2253 100n 47n 3 3 78V~ 48V~ 6251 D5SBA20 6253 D5SBA20 A 2254 2256 4 4 1261 100n 47n C 6,3A 5 5 2260 4700µ A 2264 4700µ A 2262 4700µ +VL +32V 0V +VH +52V 0V VH 52V 0V To 1073/1074 Mains trafo D 4253 A 2259 4700µ VL 32V 0V E 1255 F 1 f1 47E 22k 47E 47E 3265 41V 7257 7258 BC327-25 BC327-25 9260 52V 41,6V 3268 3k3 3269 3k3 30V CIRCUIT 6276 BZX79/ 32,5V C5V6 6280 BZX79/C10 6281 BZX79/C22 S 26V 3266 S A 3270 30 32V 0V 3271 26V 2 f2 4,6V ~ 26V B C D E To Left & Right & Center Amplifier F amp 3 +4V amp G prot prot G 4 S To 1072 Mains trafo H 1253 3291 10E 7910 31V BD242BFP 12 13,5V 1266 +VH 1 +VH 2281 100n REF 15k 10k 2282 0V 3293 14V 3292 2290 3294 2295 470n 10k REF +52V +VL +32V +52V 0V 2 +VL +32V REF 10µ 22V 10n 3 0V H 1 7908 6260 BC857B +0,5V 15k 6257 2266 6258 6259 L7812GP 4 REF 3295 1N4003GP 100n 2 21V~ 4x +24 1N4003GP +24V 1 3 +12 5 +12V I 3 To 1071 Mains trafo 6261 2268 2270 2271 0V 1N4003GP 6262 6263 100n 100n 2 470n +0,1V 3254 2269 4700µ REF 7251 REF REF 6255 6256 +5 +5V 1N4148 1N4148 A VL 32V VH 52V 6 VL 32V 0V 7 VH 52V 8 0V I 0E33 J BD242BFP S 2257 +6 +6,8V A To 1903 Surround J +11V 10n 2267 6264 0V 2274 amplifier 47µ BZX79/ 470n +12V 3261 3262 C5V6 +1V REF REF 10k 270E 390E 270E 2287 2273 +9,5V K 3300µ 100n 7252 +0,6V 3273 3274 A S DIG K 6268 1N4003GP +0,1V REF BC847B +0,6V 1254 0E33 3257 S 2275 1000µ REF 2279 100n REF 7254 BC847B REF 3275 REF 150E 1257 8 f1 3 +V +11V L +5V +5V +5D +5D 6267 L7805 7 f2 L 30 6 30 82k 3258 3256 10k +11V 1 3 32V 32V +5D +5V 5 0V 2276 2277 5V DIG 2 MFD 0V 100n 2 470n +5D 4 +5D M POWER DOWN 4 2278 2µ 2 7253 BC847B CIRCUIT REF REF REF +5V +5V 5V M +5 3 +5 +5V +5V 0V S S S 5V +5V 2 amp pd 1 Relay +3,6V 1 amp stdby N To 1057 Mains part Monoboard Supply FR975 3104 217 06430 .....V - Voltage measured during normal operation - Source position : Tuner FM - No special features ON .....V Stand by To 1426 Front Part N LEU0172/0015 LEU0172R/0015 1 2 3 4 5 6 7 8 9 10 PCS 105 729 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 LEFT & RIGHT & CENTER AMPLIFIER FR760 - FR975 A Left in from Left out Right in From from Right out Volume Center in Control from Center out B Part Surround Right in from Surround Right out Surround Left in from Surround Left out C To/From 1520 amp lr on Volume Control amp prot Part D E F G H +52V +VH 3302 47k 22k 10k 33k 3357 AMP ON/OFF 1E 7309 +3V CIRCUIT A AA +4,9V 6305 BAS216 3356 BC856B +4,4V 2365 10n 6304 7304 48V BZX284/ 51V BC846B 48V 3327 3358 A C3V3 3329 220E 1k 100k 50V 3330 3326 2350 1000µ A AA VP VP VP 50V 51V 51V 51V fmute 6290 50V BAS216 7261 BC856B 0V 2299 10µ 2298 22n 50V 3943 22k 3251 51V 3359 100k 3360 7310 BC847B VP 51V VP 51V 100k 1k 10k REF REF 3252 100k REF +3,2V 6289 BAS216 3253 51V 7260 BC846B VH 52V VH 52V VH 52V +12V +5V +5V +12 +5D +5D 680E 39k 47k 680E HST & DC 6266 +5V PROTECTION BZX79/ C15 +5D CIRCUIT 0V 7255 3259 3260 +5V 100k 3272 +5V 0V +5D 7259 BC847B 3276 +4,2V BC857B 6271 0V 7256 BC847B 100k 1N4148 3264 6270 BZX79/ C6V8 0V 2280 100µ 3263 REF REF +4,2V 3267 6k8 REF REF 100µ 47µ 1k8 2310 10µ 100µ 47µ 3361 470E 56k 1k8 3310 2315 2313 220p IN_LR 7302 STK496-630 IN_LR 18 IN1 +51V +VP 17 +VP 3308 IN_LR 2311 470p IN_LR 19 NF1 2316 10µ 3362 470E 2334 10µ 3363 470E 100µ 47µ 1k8 56k 56k 22 IN2 3314 IN_LR 2319 470p IN_LR 21 NF2 20 CCC 24 IN3 3322 IN_C 3323 2346 2337 470p IN_C 23 NF3 2341 220p IN_C IN_C VP 16 VP 51V +32V +VL +52V +VH 34 1 nc +VL +VH AA 12 0V 13 PTC1 PTC2 hst PTC OUT1 14 3304 CONTROL +ZD 5 +23,4V GND 2 A OUT2 15 6k8 6301 BZX79 /C9V1 3303 A +VL +32V CONTROL ZD 6 23,4V OUT3 26 6k8 6302 BZX79 /C9V1 3325 A VL 32V VC3 25 VC2 11 9305 VC1 10 V0 VL VH 9 78 9303 VH 52V VL 32V 3324 56k 2345 10p 3319 2348 10p 3315 2330 2325 220p IN_LR IN_LR 3320 1k 6303 1N4148 3351 3345 0E33 0E33 0E33 1k5 0E33 0E33 0E33 1k5 SOAR PROTECTION 3336 31V 1k8 7307 BC846B 3344 3343 3349 3337 3334 1k8 3338 31V 3339 9307 +3V 7306 BC846B 7305 BC846B V0 31V 1k5 0E33 0E33 0E33 31V 3335 31V 1k8 3340 3341 3342 3350 6279 I 1N4148 REF SURROUND AMPLIFIER FR760 - FR975 56k 56k 2308 10p 2309 10p 5301 1µ 3309 4E7 5303 1µ 3311 4E7 5305 1µ 3316 4E7 2326 10p 2327 10p 4E7 4E7 4E7 47k 47k 47k 3352 2358 220n 2314 220n A 3306 3353 2359 220n 2321 220n A 3305 3354 2360 220n 2333 220n A 3307 0V 1302 2 1305 2 1 1 A 2371 4n7 2374 100p 4 4 3 3 A 2372 4n7 2375 100p 6 6 5 5 A 2373 4n7 2376 100p Only in FR975 1303 2 1 4 3 6 5 2317 4n7 2322 100p 2328 4n7 2331 100p 2335 4n7 J 2301 2357 K 22n 100n IN_LR A IN_C amp amp off prot L +VL 9309 +VL 1903 +32V +32V 2306 +VH 1 10µ +52V A +VH M From +VH Monoboard +52V Supply 3301 47E 2305 +52V 2303 +VP +51V +VL 2 +32V 3 Part 10µ 22µ 4 A A VL 9310 VL 5 32V N 2349 10µ 32V VL 6 32V A VH VH 52V 3328 47E 2354 52V 2353 VP 51V VH 7 52V 8 O 10µ 22µ A A From 1266 Monoboard supply Part LEFT & RIGHT & CENTER & SURROUND AMPLIFIER FR760 - FR975 3104 217 06410 / 06430 1 2 3 4 A 2924 10µ A A 3901 47E 2943 10µ A 2902 10µ A 3915 47E 2944 10µ A 5 6904 BAS216 50,7V 3936 100k 3937 50V 7909 BC847B 10k 33k 10k VH1 VH1 51,2V 51,2V AMP ON/OFF CIRCUIT 7902 47,8V BC846B 51V 3920 100k 3918 220E 3935 1k 2942 22µ A +VH +52V +VH1 +32V +VL +32V 3925 VH1 VH1 51,2V 51,2V 3917 2925 1000µ A VH1 51,2V 4904 2905 10 µ 3946 470E 1k8 3908 IN_S 2912 100µ 47µ 56k 3906 IN_S 2910 220p IN_S 7905 STK496-430 18 IN1 +51,2V +VH1 17 +VH1 2906 470p IN_S 19 NF1 2913 10µ 3947 470E 56k 50V 20 CCC 22 IN2 3911 IN_S 2914 470p IN_S 21 NF2 1k8 3913 IN_S 2919 100µ 47µ 2918 220p IN_S VH1 16 VH1 51,2V 2945 22µ A VL 32V VH 52V VH1 51,2V 3934 1k 6901 +3V BAS216 2911 22n IN_S A Only FR760 Only FR975 3932 6 7 8 9 10 11 0E33 0E33 0E33 1k5 1k5 0E33 0E33 0E33 VC2 11 9928 +32V +52V +VL +VH 34 1 nc +VL +VH hst 12 0V 13 PTC1 PTC2 PTC 3902 56k 2938 10p 2939 10p CONTROL VC1 V01 VL VH 10 9 7 8 VL VH 32V 52V 5901 OUT1 14 +ZD 5 +23V GND 2 6k8 6905 BZX284 /C9V1 3907 +VL +32V 1µ 3905 4E7 A ZD 6 23V OUT2 15 6k8 A 6903 BZX284 /C9V1 3909 A VL 32V 2941 5902 1µ 3910 4E7 3914 56k 10p 2940 10p SOAR PROTECTION 4E7 4E7 9904 3916 2921 220n 2908 220n A 3919 2920 220n 2916 220n A 47k 47k 2339 100p Only in FR760 1901 SURROUND 4 2909 3904 R 4n7 3 A chassis 2930 100p 3903 2931 100p 2 2917 L 4n7 1 9906 A 32V 3926 3921 1k8 32V 9926 3927 3928 +3V 7904 BC846B 7903 BC846B V01 32V 32V 3922 32V 1k8 3929 3930 3931 3933 .....V - Voltage measured during normal operation - Source position : Tuner FM - No special features ON .....V Stand by 12 13 14 15 16 17 18 19 20 A 1301 1 2 4 5 B L C R D 7 C 8 E 36 1304 5 6 F L G 3 R 4 H 1 CI 2 7 J K L M N O LEU0175/0015 LEU0175R/0015 20 1301 B20 1302 B18 1303 F18 1304 F20 1305 B18 1901 K19 1903 L4 2280 H6 2298 E5 2299 E4 2301 K1 2303 M2 2305 M2 2306 L2 2308 A16 2309 A16 2310 B8 2311 B9 2313 A9 2314 C17 2315 A8 2316 C8 2317 G19 2319 C9 2321 D17 2322 G19 2325 G8 2326 E16 2327 E16 2328 H19 2330 G7 2331 H19 2333 E17 2334 D8 2335 I19 2337 D9 2339 J19 2341 E9 2345 E15 2346 F8 2348 E15 2349 N2 2350 C6 2353 O2 2354 O2 2357 K2 2358 C17 2359 D17 2360 E17 2365 C4 2371 B19 2372 D19 2373 E19 2374 C19 2375 D19 2376 E19 2902 M5 2905 J9 2906 K10 2908 L17 2909 K18 2910 J10 2911 O8 2912 J10 2913 L9 2914 L10 2916 N17 2917 M18 2918 M10 2919 M10 2920 M17 2921 L17 2924 N4 2925 L7 2930 L18 2931 L18 2938 J16 2939 J16 2940 M16 2941 M16 2942 M5 2943 M5 2944 O5 2945 O5 3251 E5 3252 F5 3253 F5 3259 G6 3260 G6 3263 H3 3264 H6 3267 I5 3272 H4 3276 H5 3301 M2 3302 B6 3303 C15 3304 A15 3305 D17 3306 B17 3307 E17 3308 B8 3309 B16 3310 A8 3311 C16 3314 C8 3315 G7 3316 E16 3319 E15 3320 G9 3322 D8 3323 E8 3324 E14 3325 D15 3326 D6 3327 C6 3328 N2 3329 C5 3330 D5 3334 G12 3335 G14 3336 G10 3337 H11 3338 H12 3339 H12 3340 H14 3341 H14 3342 H15 3343 H10 3344 H10 3345 H9 3349 H10 3350 H15 3351 H8 3352 C17 3353 D17 3354 E17 3356 D3 3357 C4 3358 C6 3359 D6 3360 E6 3361 B8 3362 C8 3363 D8 3901 L5 3902 J15 3903 L18 3904 K18 3905 K16 3906 K10 3907 L15 3908 J10 3909 L15 3910 M16 3911 L10 3913 M10 3914 M15 3915 N5 3916 K17 3917 L7 3918 L7 3919 M17 3920 L6 3921 N12 3922 N15 3925 L6 3926 O12 3927 O12 3928 O13 3929 O14 3930 O15 3931 O15 3932 O11 3933 O16 3934 N9 3935 L8 3936 J7 3937 J7 3943 E5 3946 J9 3947 L9 4904 J9 5301 B16 5303 C16 5305 D16 5901 K16 5902 L16 6266 G5 6270 H6 6271 H6 6279 I3 6289 F4 6290 E3 6301 B15 6302 D15 6303 G9 6304 C4 6305 C3 6901 N9 6903 L15 6904 J6 6905 K15 7255 G5 7256 H5 7259 H4 7260 F5 7261 E4 7302 A10 7304 C5 7305 G13 7306 G13 7307 G10 7309 C4 7310 D7 7902 K6 7903 O14 7904 N14 7905 J11 7909 J7 9303 F13 9305 F12 9307 H12 9309 L2 9310 N2 9904 K17 9906 N18 9926 O13 9928 N12 12-1 S-VHS VIDEO BOARD TABLE OF CONTENTS Circuit diagram ........................................................ 12-2 Component layout ................................................... 12-3 Partslist .................................................................... 12-4 PCS 105 732 1 2 3 4 SVHS VIDEO SELECTOR A 12-2 5 6 B 1965 C 4 3 68E 68E DVD IN 2 3980 3979 10E D 1 2889 3863 5 2890 10µ 10E 3982 10µ 2991 22n 1963 E 4 3 68E 68E VCR IN 2 3971 3970 F 1 2859 10E 3862 5 2870 10µ 10E 3974 10µ 2968 22n G 1961 4 3 68E 68E TV IN 2 3964 3961 H 1 2999 10E 3861 5 2971 10µ 10E 3968 10µ 2963 22n I J K L M N O SVHS Video Selector 3104 217 06770 1 2 1960 +12 1 +12V 2 3 V sda 3998 100E 3986 100E 3996 100E 3997 100E 6960 BZX79/ C4V7 6982 BZX79/ C8V2 6963 BZX79/ C4V7 6983 BZX79/ C8V2 4 V scl 5 SVHS gnd From 1554 Volume Control Part 2962 100µ 2997 100µ 2982 100µ 2985 100µ 2961 10n +5video2 +5V 2964 10n +8video2 +8,5V 2981 10n +5video1 +5V 2984 10n +8video1 +8,5V 3 4 5 6 12-2 7 8 9 10 11 12 13 14 15 16 17 18 7965 STV6401 2994 4 VI1 6980 BZX79/C6V8 100n 6979 BZX79/C6V8 2986 6 VI2 100n +5V +5video1 CHROMINANCE VCC PVCC1 PVCC2 PVCC3 3 20 19 18 BUS BUS DECODER SCL 11 SDA 9 3995 1k 3994 1k BUS DB1 5 DIGITAL BUFFERS DB2 7 DB3 13 2988 8 VI3 6977 BZX79/C6V8 100n 6976 BZX79/C6V8 2995 12 V15 100n CLAMPS 6973 BZX79/C6V8 2980 10 V14 100n 6972 BZX79/C6V8 SWITCHES GND 14 2996 22n SVHS gnd O1 2 O2 16 O3 15 7962 STV6401 2973 4 VI1 6969 BZX79/C6V8 100n 6968 BZX79/C6V8 2966 6 VI2 100n +5V +5video2 LUMINANCE VCC PVCC1 PVCC2 PVCC3 3 20 19 18 BUS BUS DECODER SCL 11 SDA 9 3977 1k 3975 1k BUS DB1 5 DIGITAL BUFFERS DB2 7 DB3 13 2969 8 VI3 6966 BZX79/C6V8 100n 6965 BZX79/C6V8 2975 12 V15 100n CLAMPS 2960 10 V14 6962 BZX79/C6V8 100n 6961 BZX79/C6V8 SWITCHES GND 14 2977 22n SVHS gnd O1 2 O2 16 O3 15 +8,5V +8video1 +8,5V +8video1 +8,5V +8video1 270E 68E 2k2 2983 1µ 2989 1µ 470E 3981 3984 3985 +1,5V 3983 6975 1N4148 +1,2V 7964 BC847B 3991 120E 7963 +8,4V BC557B +7,8V 3988 220E 2992 3993 68E +1V 47p +0,6V 6981 BZX79/C6V8 3989 68E 6978 BZX79/C6V8 +8,5V +8video2 +8,5V +8video2 +8,5V +8video2 270E 68E 2k2 2998 1µ 2970 1µ 470E 3962 +1,5V 3966 3965 6964 1N4148 +7,8V +1,2V 7961 BC847B 3972 120E 3969 220E 2972 47p +0,6V 3967 +8,4V 7960 BC557B 3973 68E +1V 6970 BZX79/C6V8 3999 68E 6967 BZX79/C6V8 1964 4 3 2 MON OUT 1 5 1962 4 3 2 VCR OUT 1 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1960 M3 1961 G3 1962 F17 1963 E3 A 1964 D17 1965 C3 2859 F5 2870 F5 2889 D5 2890 D5 2960 L8 2961 K5 B 2962 K5 2963 I4 2964 L5 2966 J8 2968 F4 2969 J8 2970 J13 2971 H5 C 2972 K14 2973 I8 2975 K8 2977 M10 2980 F8 2981 L5 2982 L5 2983 D13 D 2984 M5 2985 M5 2986 D8 2988 D8 2989 D13 2991 D4 2992 E14 2994 C8 E 2995 E8 2996 G10 2997 L5 2998 J13 2999 H5 3861 H5 3862 F5 3863 D5 F 3961 H5 3962 I13 3964 H5 3965 J13 3966 I14 3967 I15 3968 H4 3969 J14 G 3970 F5 3971 F5 3972 K14 3973 J15 3974 F4 3975 I12 3977 H12 3979 D5 H 3980 D5 3981 D13 3982 D4 3983 D13 3984 D14 3985 D15 3986 K4 3988 D14 I 3989 F15 3991 E14 3993 D15 3994 C12 3995 C12 3996 L4 3997 M4 3998 K4 3999 L15 J 6960 K4 6961 L8 6962 L8 6963 L4 6964 J14 6965 K8 6966 K8 6967 L15 K 6968 J8 6969 I8 6970 K15 6972 F8 6973 F8 6975 D14 6976 E8 6977 E8 L 6978 F15 6979 D8 6980 C8 6981 E15 6982 L4 6983 M4 7960 J15 7961 K14 M 7962 H9 7963 D14 7964 E14 7965 B9 N O LEU0182/0015 LEU0182R/0015 19 20 PCS 105 733Acrobat Distiller 3.01 for Windows