SERVICE MANUAL
Contents
1. uu FE ON M EMI A eC CN MEN NC PRECOR F Er gt n T n rH r mOya n Tn ISP SW BOARD A530 PC1237HA 01 ee T peau 255916 dh us 4 BOARD DIFFERENTIAL L 4 2W AMP BOARD 0101 102 201 202 1 AMP A requi Ez i T 2802545 SW404 51400 lasoo 5o6 n A DIFFERETIAL AMP R505 t c503 rre me c 5 0 04 5 i AEC OUT SELECTOR INPUT SELECTOR MED TBL CONSTANT 2 2K oso T 47 100 id T z ganas 14 2 4102 4 A104 1K Me at 79 REUS t 22 EINE AMP 46 UZL 6 19M US4959M lt 53 43 9510 511 8 10 172W il OVER LOAD DET mom OUT Q ANY Q o o lt wete 0 gt 2 gt lt 0 22 gt 0502 503 9500 0510 CLASS 0512 513 A eU o n n gt gt SW304 23 988 7 55 514 2804434 AMP BOWER 191 7 oe gt gt DAT J102 2 lho xR102 a a E 2 e t7 LEE u SOURCE DIFFERENTIAL 0 7 44 22K AMP 0514 5 0 04 IN AW i Be 6 ON lt2. VON yioo 1 Pt 6240 AM E gt r oo ix jo Bees A 23 1681 207 XR206 47 9202 9 9204 o o o 2 too 22 7 ep IN w 4 E 0600 asy R609 0613 T A A 50V 16100 2 2 c215 v R NIA lt 1060 R633 22 A R619 2541303 9614 ENSE 10 nad 10304 2 2 SW302 2 300 1 PIE Tz ud o s 25 1841 i EHn 820K R412 216 x gt A asoa TA D iH El 8 LT qu prs E Dee pires anpe C EST n CH 1L nate R215 e Qi ES R R411 ol ra 9507 ceos c Hs fi N o o XR204 d ik ae oS RV301 2502012 ta 0 1 B URSUS ee i MB218L 15 i BW T A226 1M 7 E Phono DRE m 2 ae 100K 100K R410 10K ng Lp 4 Note on Schematic Diagram TREBLE 15 ase 15 2 i TREBLE IG N ceos e All capacitors in uF unless otherwise noted pF uuF i o R606 indicated except for electrolytics p 0951 950 _ R500 S a602 100K L604 i 50WV less are not 202 SEL2510W SM300 5 alo A B uH d ntalums See ae LLL c nT 8 qK N and ta p E VEA 293264 e All resistors are in Q and W or less unless otherwise R204 D fe C600 0501 4 7 specified
3. FUSE TIME LAG 3 15A F900 A 1 532 506 51 AEP UK FUSE TIME LAG 6 3A Q614 8 729 140 84 TRANSISTOR 2SA1841 PAFAEA 0800 8 729 900 63 TRANSISTOR 124 5 F901AA 1 532 506 51 AEP UK FUSE TIME LAG 6 3A 0901 8 729 925 69 TRANSISTOR 2SD2061EF F901 A 1 532 782 11 Canadian FUSE MICRO 4A 0902 8 729 924 90 TRANSISTOR 2581370 F902 1 532 782 11 Canadian FUSE MICRO 4A 0950 8 729 620 05 TRANSISTOR 2SC2603 EF 0951 8 729 900 63 TRANSISTOR DTA124ES IC100 8 759 981 98 IC RC4560DD 0952 8 729 900 63 TRANSISTOR DTAI24ES IC300 8 759 634 50 IC M5218AL IC301 8 759 634 50 IC M5218AL RIO 1 247 713 11 CARBON 1 5 1 4W R102 1 247 713 11 WG CARBON 1K 5 1 4W 1C800 8 759 111 68 IC UPC1237HA 8103 1 247 713 11 CARBON 1K 5 1 4W 0900 8 759 604 34 IC M5F7815 16901 8 759 604 52 IC M5F7915 8104 1 247 713 11 WG CARBON 1K 5 1 4M R105 1 247 713 11 WG CARBON 1K 5 1 4W ICP90141 532 845 21 AEP UK E WG LINK IC 4A 8106 1 247 713 11 WG CARBON 1K 5 1 4W ICP902 N 532 845 21 AEP UK E WG LINK IC 4A R107 1 247 713 11 WG CARBON 1K 5 1 4M J100 1 565 320 11 JACK PIN 6P 108 1 249 417 11 WG CARBON 1K 5 1 4W J101 1 565 320 11 JACK PIN 6P R109 1 249 417 11 WG CARBON 1K 5 1 4W J102 1 565 258 11 JACK PIN 2800 1 507 863 51 JACK LARGE TYPE R110 1 249 405 11 CARBON 100 5 1 4W L100 1 413 101 11 WG COIL INPUT 220UH RII 1 259 476 11 CARBON 100K 5 1 6W L101 1 413 101 11 WG COIL
4. MOUNTED PCB AMP C210 PC BOARD SP SW C211 WG E Canadian PC BOARD SEC C211 AEP UK PC BOARD SEC SW PC BOARD SP C212 HOLDER FUSE C213 E ADAPTOR CONVERSION 2P C214 E BASE POST 22MM E BASE POST 22MM C215 C300 CERAMIC 0 01MF 400V C301 WG CERAMIC 150PF 10 50V C302 Canadian C303 CERAMIC 10 50V C304 WG CERAMIC 10 50V C305 WG CERAMIC 10 50V C306 WG CERAMIC 10 50V C307 WG CERAMIC 10 50V C308 WG CERAMIC 102 50V C309 WG CERAMIC 10 50V C310 WG CERAMIC 10 50V C400 WG CERAMIC 150PF 10 50V c401 Canadian C402 CERAMIC 220PF 10 50V C403 ELECT 4 7MF 20 50 C404 C405 WG CERAMIC 0 0022 30 16V UK E Canadian C406 CERAMIC 0 0047 30 16V C407 C408 ELECT 330MF 20 16V MYLAR 0 056MF 5 50 C409 MYLAR 0 015MF 5 50 C410 6500 ELECT 10 20 50 ELECT 1 20 50 C501 C502 WG CERAMIC 150PF 10 50V C503 AEP UK E Canadian C504 CERAMIC 100PF 10 50V nd Part No 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 284 31 1 162 286 31 1 123 369 0090 1 161 375 00 1 161 377 00 1 126 541 11 1 130 492 11 1 130 485 00 1 126 059 11 1 123 369 00 1 106 347 00 1 130 484 00 1 130 484 00 1 164 070 11 1 164 062 11 1 162 286 31 1 1
5. SERVICE MANUAL photo TA F420 AEP Model UK Model TA F420A Canadian Model Vest Germany Model E Model TA F420 SPECIFICATIONS Amplifier Continuous RMS power output both channels driven simultaneously TA F420A AEP UK MODEL DIN 1 kHz 90 W 90W eoms owr 20 Hz 20 kHz THD 0 05 70 W 70 W TA F420 Canadian West Germany Model DIN 1 kHz 8 ohms 90 W 90 W 20 Hz 20 kHz THD 0 05 8 ohms 7OW 70W S N weighting network input level 50 83 dB A 2 5 73 dB 2 5 mV TUNER CD VIDEO AUX TAPE DAT 50 100 dB kilohms 150 mV Output Output jack REC OUT Jack type Voltage impedance Phono Voltage 150 mV impedance 1 kohms AEP UK Model Accepts speakers of 4 6 ohms 8 16 ohms Canadian West Germany SPEAKERS E Model Accepts speakers of 8 16 ohms HEAD Accepts low and high PHONES impedance headphones LLL Tone controls Response Turnover frequency BASS 10 dB 100 Hz 500 Hz TREBLE 10 dB 15 kHz 3 kHz Loudness Attenuation 30 dB 6 dB 100 Hz 3 dB 10 kHz Subsonic filter 6 dB octave attenuation below 15Hz Harmonic distortion Less than 0 05 at rated output Intermodulation IM distortion 60 Hz 7 kHz 4 1 Less than 0 05 at rated output Continued on next page INTEGRATED STEREO AMPLIFIER ON Y TA F420 F420A
6. 3 704 366 01 Description SCREW BV 3X8 KNOB 47 KNOB SQUARE KNOB DIA 21 ROUND RING KNOB DIA 29 STICKER SONY SYMBOL 12 BUTTON EMBLEM SONY PANEL FRONT COVER LAMP REC PLATE INDICATION PANEL BASE NUT MI2X1 SCREW BVTT 3X8 S SCREW CASE M3X8 suppli 16 supplied ied Remarks No Part No 17 4 924 920 71 4 927 838 01 18 4 866 342 00 19 7 685 646 79 20 4 921 389 01 901 1 635 237 11 902 1 635 239 11 903 4334 714 4334 725 904 1 635 243 11 905 1 635 242 11 906 1 635 238 11 920 1 533 213 31 a Description The components identified by mark or dotted line with mark are critical for safety eplace only with part number specified Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cif Remarks WG Canadian E CASE AEP UK eee CASE JOINT B KNOB SCREW BVTP 3X8 2 N S HOUSE PC BOARD HP PC BOARD LED AEP UK E Canadian MOUNTED PCB PANEL des UE MOUNTED PCB PANEL PC BOARD FUSE PC BOARD JOINT PC BOARD MC LED HOLDER FUSE 4 2 CHASSIS BACK PANEL 51 52 53 54 55 56 57 Part No 7 682 548 04 X 3304 938 2 X 3304 950 1 4 931 618 22 7 682 560 04 7 685 534 19 7 685 646 79 7 682 548 09 3 703 244 00 3 703 571 11 7 621 849 00 3 706 165 00 7 685 646 79
7. 4 931 903 11 3 703 685 21 4 870 539 00 7 682 549 09 7 682 550 09 4 911 232 01 Description SCREW BVTT 3X8 S WG AEP UK FOOT ASSY Canadian E FOOT ASSY CHASSIS SCREW BVTT 4X6 S SCREW BVTP 3X8 AEP UK SCREW BTP 2 6X8 S AEP UK WG Canadian BUSHING 2104 CORD BUSHING S CORD SCREW BVTT 3X8 SCREW TAPPING SCREW SCREW BVTP 3X8 HEAT SINK DI SCREW 4BV 3X8 PLATE GROUND SCREW B 3X10 SCREW B 3X12 SHEET INSULATING Remarks No not supplied 53 Note fied by mark Part No 67 4 931 984 11 4 931 984 21 4 931 984 31 4 931 984 41 4 931 984 51 68 3 309 144 21 907 A 4334 708 A 4334 719 4334 721 4334 727 908 1 635 236 11 909 1 635 240 11 910 1 635 245 11 911 1 635 235 11 920 1 533 213 31 921 4A 1 569 007 11 1 575 105 11 CPl 1 575 651 11 CPI 1 A 1 575 652 11 1 575 653 11 T901 A 1 450 092 11 T901 A 1 450 093 11 1901 A 1 450 094 11 1901 A 1 450 095 11 1901 A 1 450 096 11 including The components identi ted line with mark are critical for safety Replace only with part number specified E MODEL Note ordot une marque pour la s curit fi Description PANEL BACK WG PANEL BACK Canadian PANEL BACK E PANEL BACK PANEL BACK HEAT SINK AEP
8. DIODE DIODE DIODE 1SS120 HZS6C1L HZS6CIL DIODE DIODE DIODE 155120 155120 151585 151585 TOE2N 155120 DIODE DIODE DIODE DIODE DIODE DIODE 155120 TOE2N TOE2N DIODE DIODE DIODE 10E2N TOE2N RBV 602 01 AEP UK DIODE 10E2N AEP UK DIODE OE2N AEP UK DIODE 10E2N AEP UK DIODE lOE2N Note Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp ci fi or dot REVISED TA F420 F420A Ref No Part Description Ref No Part Description 0950 8 719 304 16 LED SEL2510W D 0602 8 729 108 14 TRANSISTOR 2SA988F 0951 8 719 304 16 LED SEL2510W D 0603 8 729 108 14 TRANSISTOR 2SA988F 0952 8 719 304 16 LED SEL2510W D 0604 8 729 620 05 TRANSISTOR 2SC2603 EF 0953 8 719 304 16 LED SEL2510W D 0605 8 729 142 01 TRANSISTOR 2SC1941 LK 0954 8 719 304 16 LED SEL2510W D 0606 8 729 191 62 TRANSISTOR 25 1371 0607 8 729 209 15 TRANSISTOR 2502012 D955A 8 719 912 20 DIODE 155120 0955 8 719 302 23 LED SEL2213C C 0608 8 729 620 05 TRANSISTOR 2SC2603 EF 0609 8 729 119 76 TRANSISTOR 2SA1175 HFE D956 8 719 912 20 DIODE 155120 0610 8 729 141 46 TRANSISTOR 25 4431 1 Fl 41 532 237 00 AEP UK WG FUSE TIME LAG 3 15 0611 8 729 141 37 TRANSISTOR 2SA1684 LK Fl 41 532 747 1 Canadian FUSE GLASS TUBE Q612 8 729 302 84 TRANSISTOR 25C3284 Y 0613 8 729 302 81 TRANSISTOR 2SA1303 Y F2 A1 532 237 00 E
9. INPUT 220UH R112 1 249 405 11 WG CARBON 100 5 1 4M L200 1 413 101 11 QWG COIL INPUT 220UH 8112 1 249 411 11 AEP UK E Canadian 1201 1 413 101 11 08 COIL INPUT 220UH CARBON 330 5 1 44 L501 1 420 872 00 COIL AIR CORE R113 1 259 476 11 CARBON 100K 5 1 6W 1601 1 420 872 00 COIL AIR CORE R114 1 259 452 11 CARBON 10K 5 1 6W 8115 1 249 417 11 CARBON K 5 1 4W 0101 8 729 354 52 TRANSISTOR 2SC2545 E 116 1 249 417 11 CARBON 1K 5 1 44 0102 8 729 354 52 TRANSISTOR 2SC2545 E Q201 8 729 354 52 TRANSISTOR 2SC2545 E 117 1 249 405 11 AEP UK E Canadian CARBON 100 5 1 4M 0202 8 729 354 52 TRANSISTOR 2SC2545 E 8117 1 249 407 11 WG CARBON 150 5 1 4W Q500 8 729 108 14 TRANSISTOR 2SA988F 0501 8 729 620 18 TRANSISTOR 2SA979 FG 118 1 249 391 11 CARBON 6 8 5 1 4W R119 1 249 405 11 CARBON 100 5 1 4W 0502 8 729 108 14 TRANSISTOR 2SA988F R120 1 247 903 00 CARBON IM 5 1 4W 0503 8 729 108 14 TRANSISTOR 2SA988F 0504 8 729 620 05 TRANSISTOR 2SC2603 EF R121 1 259 470 11 CARBON 56K 5 1 6W R122 1 259 444 11 CARBON 4 7K 5 1 6W 0505 8 729 142 01 TRANSISTOR 2SC1941 LK R123 1 249 409 11 CARBON 220 5 1 4W 0506 8 729 191 62 TRANSISTOR 2SA1371 0507 8 729 209 15 TRANSISTOR 2502012 R124 1 259 476 11 CARBON 100K 5 1 6W 8125 1 246 545 00 CARBON IM 5 1 4W 0508 8 729 620 05 TRANSISTOR 2SC2603 EF R126 1 246 545 00 CARBON 1 52 1 44 0509 8 729 119 76 TRANSISTOR 25 1175 Q510 8 729 141 46 TRANSISTOR 2SC4431 LK R1
10. REVISED SECTION 2 ELECTRICAL ADJUSTMENTS NOTE Adjustment should be performed 10 minutes after the POWER switch is on POWER ON gg Bias Current Adjustment Note This adjustment should be performed under VOM i thermal stable condition Before starting the D C cane adjustment wait for more than an hour after Ni switch off for cooling and perform the adjust ment within one minute after switching on 4 TP600 L CH Procedure TP500 1 Set main volume to minimum position on AMP board 2 Switch on the set 3 Adjust RV500 RV600 for left channel so that the voltage across TP500 and TP600 becomes the value indicated below Adjustment Location Adjustment values 2 5mV 0 3mV AMP BOARD Component Side SECTION 3 DIAGRAMS 3 1 CIRCUIT BOARDS LOCATION West Germany Model SEC SW BOARD Canadian Model SEC BOARD rey CA E WG SP SW BOARD SP TM BOARD LED BOARD HP BOARD AMP BOARD PANEL BOARD JOINT BOARD MC LED BOARD 3 2 SEMICONDUCTOR LEAD LAYOUTS M5F7815 DTA124ES 28A988 RBV 602 01 SEL2510W 2802603 2SA1841 2SC2545 E C anode M5F7915 2SA1684 UZL 7M1 SEL2213C HZS6C1L 2SA1303 Y aes 1 120 O 253284 151585 r3 2502012 10 2 M I IN OUT M5218AL 2801941 y PC1237HA 2SA979 FG SEL2510C 12345578 8 S we BCECB 3 3 PRINTED WIRING BOARDS 38 4 5 ES XU te U
11. ole d E ola y 29e 53 25 1941 go nu 2 4800 ees xL101 o i58 i8 gt m RiiB T R121 R122 A124 EIE Rv302 4 H303m o 10300 1 2 100K Lr 307 R306 9 i92 Cb XR507 CLASS A a Ae Weis 40 70 C J100 6 109 7 0 8 4 7K 400K goe 33K 33K 10 D 5 2 R509 AMP 2541303 1 54 pm PHONO XL100 xR109 i DE and w n 52 9504 Boje AP Q511 pel T PH0N0 As 10K C113 C444 R403 6 R405 R406 in u 5 T C506 v 2PSA1681 S Dc IN uo xRi12 mn R402 S R407 C407 i O o 100 0508 509 R515 71 2 XR108 LxC400 z x 33K RV302 2 33K o IC300 2 2 100K 10K 70 047 10K Qu 25V 100 Y 28 i 0 056 0 015 T a au pA LIMITER C516 1 54 o9 5 2 3 C214 C402 8 gt lt um Gor C 42 EER 2 0 J100 5 C200 i o o12T C403 5 lt a lt rz 42 1 0 015 C400 2 m vey f i PHONO w w 449 o 9 o 056 4 7 R404 0 012 4 C406 A532 632 IN Tje Po m3 ROR S x R221 R222 50v 407 p si wu R224 200 Pere a 9 6 8 l 56K 4 7K 100K 0 0015 nem t ____ j no HP BOARD _ x M D TUNER R229 o T Di s CN C212 330 16V 47p 5 P T Q Bes zs oO US1080M i r r IN 1M O RV301 2 E Dey 3 a E ioe e o BERND o lt 3 3 nao R z s
12. 1 4W R507 1 249 919 11 WG CARBON 680 1 1 4W R210 1 249 405 11 CARBON 100 5 1 4M R211 1 259 476 1 CARBON 100K 5 1 6W R508 1 249 463 11 CARBON 27K 5 1 4W R509 A 1 247 692 11 CARBON 22 5 1 40 R212 1 249 405 11 WG CARBON 100 5 1 4W R510 1 249 462 11 CARBON 22K 5 1 4W R212 1 249 411 11 AEP UK E Canadian 330 5 1 4W 8511 1 247 719 11 CARBON 3 3K 5 1 4W R512 1 247 713 11 CARBON 1K 5 1 4M R213 1 259 476 11 CARBON 100K 5 1 6W R513 A 1 247 700 11 CARBON 100 5 1 4W R214 1 259 452 11 CARBON 10K 5 1 6W R215 1 249 417 11 CARBON 1K 5 1 4M R514 1 247 700 11 CARBON 100 5 1 40 R216 1 249 417 11 CARBON 1K 5 1 4W R515 A 1 247 700 11 CARBON 100 5 1 A R516 A 1 247 713 11 CARBON 1K 5 1 4W 8217 1 249 405 11 AEP UK E Canadian CARBON 100 5 1 4 R517 A 1 247 713 11 CARBON 1K 5 1 4W R217 1 249 407 11 WG CARBON 150 5 1 4W R519 A 1 247 717 11 CARBON 2 2K 5 1 4W R520 A 1 247 719 11 CARBON 3 3K 5 1 4W R218 1 249 391 11 CARBON 6 8 5 1 4W R219 1 249 405 11 CARBON 100 5 1 4W R521 A 1 247 745 11 CARBON 330 5 1 24 R220 1 247 903 00 CARBON 1M 5 1 4M R522 A 1 249 455 11 CARBON 4 7 5 1 4W R523 A 1 249 455 11 CARBON 4 7 5 1 44 8221 1 259 470 11 CARBON 56K 5 1 6W R222 1 259 444 11 CARBON 4 7K 5 1 6W R524 1 247 725 11 CARBON 10K 5 1 4M R223 1 249 409 11 CARBON 220 5 1 4W R525 A 1 247 704 11 CARBON 220 5 1 AW R526 1 214 789 00 RES METAL PLATE 0 1 R224 1 259 476 11 CARBON
13. 100K 5 1 6W R225 1 246 545 00 CARBON 1M 5 1 4W R527 1 214 789 00 RES METAL PLATE 0 1 R226 1 246 545 00 CARBON 1M 5 1 44 R528 1 247 727 11 CARBON 10 5 1 2W R529 1 247 727 11 CARBON 10 5 1 2W R227 1 246 545 00 CARBON 1M 5 1 4W R228 1 246 545 00 CARBON 1M 5 1 4W R530 1 247 727 11 WG CARBON 10 5 1 2W 229 1 246 545 00 CARBON 1M 5 1 4W R531 1 247 727 11 WG CARBON 10 5 1 2W R302 1 249 435 11 CARBON 33K 5 1 4W R532 A 1 215 867 00 WG METAL OXIDE 470 5 IW F R303 1 249 435 11 CARBON 33K 5 1 4W R532 4A 1 215 868 00 AEP UK E Canadian R304 1 249 428 11 CARBON 8 2K 5 1 4W METAL OXIDE 680 5 1W R305 1 249 429 11 CARBON 10K 5 1 4W R533 1 249 465 11 CARBON 47K 5 1 4W R306 1 249 429 11 CARBON 10K 5 1 44 R600 1 247 713 11 CARBON 1K 5 1 4W 8307 1 249 469 11 CARBON TOOK 5 1 4W R601 1 249 469 11 CARBON 100K 1 1 4W R308 1 247 903 00 CARBON 1M 5 1 4W R602 A 1 247 704 11 CARBON 220 5 1 44 R310 1 249 429 11 CARBON 10K 5 1 4W R603 A 1 247 704 11 CARBON 220 5 1 4W 8311 1 249 429 1131 CARBON 10 5 1 4W R604 1 247 711 11 CARBON 680 5 1 4W R312 1 249 405 11 CARBON 100 1 4W R605 1 247 717 11 CARBON 2 2K 5 1 4W R313 1 249 993 21 CARBON 820K 1 1 4W 8606 1 249 469 1311 CARBON 100K 1 1 4W R402 1 249 435 11 CARBON 33K 5 1 4W R607 1 247 708 11 AEP UK E Canadian R403 1 249 435 11 CARBON 33K 5 1 4W CARBON 470 5 1 4W R404 1 249 428 11 CARBON 8 2K 5 1 4W R607 1 249 919 11 WG CARBON 680 1 1 4W R405 1 249 429 11
14. 123 333 00 C507 1 123 332 00 C508 A 1 161 959 00 C509 1 130 483 00 C510 1 130 483 00 C511 1 130 493 00 C512 1 130 493 00 C513 1 130 483 00 C514 1 130 483 00 C515 1 130 483 00 C516 1 130 483 00 C517 1 164 073 11 C600 1 123 369 00 C601 1 164 083 11 C602 1 124 446 11 C603 1 124 446 11 C604 1 164 041 11 C605 4 1 161 959 00 C605 A 1 102 316 00 6606 1 123 333 00 C607 1 123 332 00 6608 1 161 959 00 C609 1 130 483 00 C610 1 130 483 00 6611 1 130 493 00 C612 1 130 493 00 613 1 130 483 00 6614 1 130 483 00 6615 1 130 483 00 6616 1 130 483 00 C617 1 164 073 11 800 1 124 443 00 6801 1 124 927 11 80 1 126 176 11 803 1 124 446 11 804 1 123 875 11 6805 1 126 176 11 900 1 124 922 11 C901 1 124 922 11 C902 1 125 596 11 C902 1 125 479 11 C903 1 125 596 11 C903 1 125 479 11 C904 1 124 929 11 905 1 124 929 11 C906 1 124 929 11 6907 1 124 929 11 C908 1 126 104 11 C909 1 126 052 11 Description WG CERAMIC 22PF 10 500 AEP UK E Canadian ELECT 15PF 5 500 ELECT 100MF 20 25 ELECT 47MF 20 16 WG CERAMIC 22 10 500 MYLAR 0 01MF 5 50V MYLAR 0 01MF 5 50 MYLAR 0 068 5 50V MYLAR 0 068MF 5 50 WG MYLAR 0 01 5 50V WG MYLAR 0 01 5 50 MYLAR 0 01MF 5 50V MYLAR 0 01MF 5 50V CERAMIC 100PF 10 50V ELECT 4 7MF 20 50V CERAMIC 680PF 10 50V ELECT 47MF 20 TOV ELECT 47MF 20 10V CERAMIC 5PF 0 25PF 50V WG CERAMIC 22 10 500 AEP UK E Canadian ELECT 15PF
15. 1K 0955 058 DBSU 170 D Sy ere REOS as10 Ey fl ble resistor E 1060M 50V Ew mable resistor RARE RAT DIRECT 172W o 500V EA NZ 2864431 nonflamma 5 0 n ry e 4 fusible resistor 9500 100 CARTRIDGE R151 4 41 I 2SA98B R610 PRAE h MM gt MC R955 252 N C950 pe 2 R605 0601 C603 0604 dcs R613 f SEC BOAR D Note Note x AEP UK 47 lo 47 USTOGOM H C615 L S P ies 2 25V i gt H RIEN Aa 10V 0503 m 0 01 T t The components identi Les composants identifi s par 150p G951 952 R958 22K 4 lt US4060M _ L 4 dot une marque f sont critiques 101 107 NO 330p lo Leo WAIVE 9952 Mc EN 1 ted line with mark pour la s curit n AP 201 207 MOUNT m 9954 L uu A are critical for safety Ne les remplacer que par une 109 209 220p s a e gt bie LED i Replace only with part piece portant le num ro sp ci C111 211 0 0047 0 5 T i G 2 th R952 a 2 SEL2213C BOARDI 1 number specified fi C505 605 15p BER 390 5 2 POWER d IC800 0901 D900 903 x C508 608 500V 500 1 2W RED 1237 3 aa 2502061 54 43 10E2 A 903 18990 0000 0952 954 i PROTECTOR 980
16. 5 500V ELECT 100MF 20 25V ELECT 47 20 16 WG CERAMIC 22 10 500 MYLAR 0 01MF 5 50V MYLAR 0 01MF 5 50V MYLAR 0 068 5 50 MYLAR 0 06 8MF 5 50V WG MYLAR 0 01MF 5 50 WG MYLAR 0 01MF 5 50V MYLAR 0 01MF 5 50V MYLAR 0 01MF 5 50V CERAMIC 100 10 50 ELECT 100 20 10 ELECT 4 7 20 50V ELECT 220MF 20 6 3V ELECT 47MF 20 10V ELECT 10MF 20 50 ELECT 220MF 20 6 3V ELECT 1000MF 20 63V ELECT 1000 20 63 WG ELECT BLOCK 10000MF 20 56V AEP UK E Canadian ELECT 10000MF 20 63V WG ELECT BLOCK 10000 20 56V UK E Canadian ELECT 10000MF 20 63V ELECT 22MF 20 63V ELECT 22MF 20 63V ELECT 22 20 63V ELECT 22 20 63V ELECT 470MF 20 35 ELECT 100 20 35V Ref No Part No C910 1 126 044 11 C911 1 126 103 11 C912 1 126 103 11 C913AA 1 102 394 11 C9138 1 124 913 11 C914AA 1 102 394 11 C914B 1 124 913 11 C950 1 124 477 11 C951 A 1 102 394 11 C960 A 1 130 798 00 CNJ300 1 565 961 11 CNJ301 1 561 650 00 CNJ900 1 565 835 11 CNPl 1 564 321 00 CNP100 1 565 419 11 CNP101 1 565 419 11 CNP150 1 564 336 00 CNP200 1 506 906 11 CNP300 1 565 419 11 CNP301 1 565 419 11 400 1 506 906 11 CNP900 1 564 510 11 CNP900A1 568 577 11 CNP950 1 564 915 11 CNP951 1 564 517 11 CPl 4A 1 575 105 11 CPl 1 575 651 11 CPl A 1 575 652 11 CPl A 1 575 653 11 0150 8 719 000 84 0151 8 719 311 61 0500 8 719 912 20 0501 8 719 933
17. CARBON 10K 5 1 44 R608 1 249 463 11 CARBON 27K 5 1 4W R406 1 249 429 11 CARBON TOK 5 1 4W R609 A 1 247 692 11 CARBON 22 5 1 44 R407 1 249 469 11 CARBON 100K 5 1 4W R610 1 249 462 11 CARBON 22K 5 1 4W R408 1 247 903 00 CARBON 1M 5 1 4W R611 1 247 719 1311 CARBON 3 3K 5 1 4W R410 1 249 429 11 CARBON 10K 5 1 4W R612 1 247 713 11 CARBON 1K 5 1 4W 8411 1 249 429 11 CARBON 10 5 1 4W R613 A 1 247 700 11 CARBON 100 5 1 48 R412 1 249 405 11 CARBON 100 5 1 4W R614 A 1 247 700 11 CARBON 100 5 1 48 R413 1 249 993 21 CARBON 820K 1 1 4W R615 A 1 247 700 11 CARBON 100 5 1 4W 500 1 247 713 11 CARBON 1K 5 1 4W R616 A 1 247 713 11 CARBON 1K 5 1 44 F 8501 1 249 469 11 CARBON 100K 1 1 4W Note Note Les composants identifi s par une marque sont critiques pour la s curit The components identi fied by mark or dot ted line with mark are critical for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro sp ci number specified fi ines Ref No Part No R617 A 1 247 713 11 R619 A 1 247 717 11 R620 A 1 247 719 11 R621 1 247 745 11 R622 1 249 455 11 R623 A 1 249 455 11 R624 1 247 725 11 R625 1 247 704 11 R626 1 214 789 00 R627 1 214 789 00 R628 1 247 727 11 629 1 247 727 11 R630 1 247 727 11 8631 1 247 727 11 R632 A 1 215 867 00 R632 1 215 868 00 R633 1 249 465 11 R800 A 1 216 479 11 R800 A 1 206 718 00 R800 A 1 215 916
18. Frequency response PHONO RIAA equalization curve 0 5 dB TUNER CD VIDEO AUX TAPE1 TAPE2 DAT 7 Hz 100 kHz 3 dB Less than 170 uV network A 40 8 ohms 1 kHz Residual noise Damping factor General System Preamplifier Low noise high gain equalizer amplifier Power amplifier Pure complementary SEPP OCL power amplifier with all stages directly coupled AEP West Germany Model 220 V AC 50 Hz U K model 240 V AC 50 Hz Canadian Model 120 V AC 60 Hz E Model 120 V 220 V or 240 V AC adjustable 50 60Hz Power consumption AEP West Germany Model 160 W UK Model 370 W Canadian Model 315 VA Mode 155 W Power requirements Dimensions Approx 430 X 135 X 375 mm w h d 17 X 5 X 14 s inches Weight Approx 8 9 kg 19 Ib 10 oz Design and specifications subject to change without notice Note This appliance conforms with EEC directive 87 308 EEC regarding interference suppression MODEL IDENTIFICATION Specification Label AEP UK Model TA F420A West Germany Canadian E Model TA F420 SON Y INTEGRATED STEREO AMPLIFIER CC SERIAL NO MADE IN JAPAN AEP West Germany Model AC MODEL 220V 50 60Hz 160W UK Model AC 240V 50 60Hz 370W Canadian Model AC 120V 60H 315VA E Model AC 120 220 240V 50 60Hz 160W SAFETY CHECK OUT After correcting the original service problem perform the following safety check before releasing the set to the custome
19. 0 qm 0900 vida e Line SEL2510C OTA124ES 2 MO np F USE E AY 2004H POWER PROTECT So A R9 we cA LBOARD rM B Line L101 201 MOUNT 0954 GRN 9950 H O y Tes C894 1 _ _ I Le PS38920 esas 6 gt 6944 R102 202 ke s P DES RY800 39 1 aS p 63v AeneA e adjustment for repair R104 109 4K Foi R204 209 IRE 04 M R950 X XRB00 neos n 805 qr e Voltage and waveforms are dc with respect to g o x R112 212 330 100 w 3 omth Map 83V Ara OFF 0N under no signal conditions M H R117 217 100 150 A D802 D801 gt ttis 0 aaoo S o0 S 3 15 4 US1060M US1060M S m 28 o mu 2 is mark AEP UK Model R507 607 470 680 C805 400 mn o5 220 ecg m On 3 C41 A ol West G E Canadian Model 220 R801 9 o 5 3v 400V West Germany adi 6 3V 5 6K 100K Poal T lt ta BUTTON EE s j ek i OY O E e Voltages are taken with VOM impedance 10M Q E CA E iati be noted due to normal produc C913B 9148 470 50V NO MOUNT s 68338 i 1 i Voltage variations may R800 510 560 680 L E tion tolerances R803 WG E u 10K 6 ak 1 t Ti e Signal path R
20. 00 R801 R802 R803 1 249 426 11 1 249 441 11 1 249 427 11 R803 A 1 249 429 11 R804 R805 R806 R807 R901 R902 R903 R904 1 249 441 11 1 249 427 11 1 249 437 11 1 249 438 11 1 249 455 11 1 249 455 11 1 247 713 11 1 247 713 11 R905 A 1 215 939 11 R905 A 1 216 476 11 R905 A 1 216 477 11 R906 1 215 916 11 R906 1 215 917 11 R906 1 216 482 11 R950 R952 R953 1 249 417 11 1 247 746 11 1 247 747 11 e METAL OXIDE AEP UK METAL OXIDE WwG METAL OXIDE AEP UK METAL OXIDE WwG METAL OXIDE E Canadian METAL OXIDE CARBON IK 5 CARBON 390 5 CARBON 470 5 Description CARBON 1K 5 1 4 CARBON 2 2K 5 1 4W CARBON 3 3K 5 1 4W CARBON 330 5 1 20 F CARBON 4 7 5 1 4W CARBON 4 7 5 1 4W CARBON 10K 5 1 4W CARBON 220 5 1 4W RES METAL PLATE 0 1 RES METAL PLATE 0 1 CARBON 10 5 1 2M CARBON 10 5 1 2W WG CARBON 10 5 1 M WG CARBON 10 5 1 2W WG METAL OXIDE 470 5 IWW AEP UK Canadian METAL OXIDE 680 5 IW CARBON 47K 5 1 4W WG METAL OXIDE 560 5 3W F AEP UK METAL OXIDE 510 5 3W E Canadian METAL OXIDE 680 5 3W CARBON 5 6 5 1 4W CARBON 100K 5 1 4W WG CARBON 6 8K 5 1 4M AEP UK E Canadian CARBON 10K 5 1 4W CARBON 100K 5 1 4M CARBON 6 8K 5 1 4W CARBON 47K 5 1 4W CARBON 56K 5 1 4W CARBON 4 7 5 1 4W CARBON 4 7 5 1 4 1K 5 1 4W CARBON 1K 5 1 4W
21. 27 1 246 545 00 CARBON lM 55 1 4M 128 1 246 545 00 CARBON 5 1 4W 0511 8 729 141 37 TRANSISTOR 2SA1684 LK R129 1 246 545 00 CARBON IM 5 1 4 0512 8 729 302 84 TRANSISTOR 2SC3284 Y 799 209 RISO 1 247 716 11 CARBON 1 8K 5 1 4W 0513 8 729 302 81 TRANSISTOR 25A1303 Y RIB 1224022492 1 CARBON Pe DE Yo 0514 8 729 140 84 TRANSISTOR 2SA1841 PAFAEA REO 1 247 713 11 CARBON IK 5 1 40 0600 8 729 108 14 TRANSISTOR 2SA988F 0601 8 729 620 18 TRANSISTOR 2SA979 FG Note Les composants identifi s par une marque N sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp ci fi Note The components identi fied by mark or dot ted line with mark are critical for safety Replace only with part number specified 19 TA F420 F420A Ref No Part No Description Ref No Part No Description 8202 1 247 713 11 WG CARBON IK 5 1 4W R502 A 1 247 704 11 CARBON 220 54 1 40 R203 1 247 713 11 CARBON IK 5 1 4W R503 A 1 247 704 11 CARBON 220 5 1 44 R204 1 247 713 11 WG CARBON IK 5 1 4W 8504 1 247 711 11 CARBON 680 5 1 44 R205 1 247 713 11 WG CARBON 1 5 1 44 R505 1 247 717 11 CARBON 2 2K 5 1 4M R206 1 247 713 11 WG CARBON IK 5 1 40 8506 1 249 469 11 CARBON 100K 1 1 4W 8207 1 247 713 11 WG CARBON 1K 5 1 4M R507 1 247 708 11 AEP UK E Canadian R208 1 249 417 11 WG CARBON 1K 5 1 4W CARBON 470 5 1 4M R209 1 249 417 11 WG CARBON 1K 5
22. 30 491 00 1 123 369 00 1 130 496 00 1 123 369 00 1 123 369 00 1 106 347 00 1 130 484 00 1 130 484 00 1 164 070 11 1 164 062 11 1 162 286 31 1 130 491 00 1 123 369 00 1 130 496 00 1 123 369 00 1 123 369 00 1 164 083 11 1 124 446 11 1 124 446 11 1 164 041 11 Description WG CERAMIC 330PF 10 50 WG CERAMIC 330PF 10 50V WG CERAMIC 10 50V WG CERAMIC 10 50 WG CERAMIC 10 50V WG CERAMIC 10 50V WG CERAMIC 330PF 10 50V WG CERAMIC 150PF 10 50 AEP UK E Canadian CERAMIC 220PF 10 50V ELECT 4 7MF 20 50 WG CERAMIC 0 0022MF 30 16V AEP UK E Canadian CERAMIC 0 0047 30 16V ELECT 330MF 20 16 MYLAR 0 056MF 5 50V MYLAR 0 01 5 5 50V ELECT 10MF 20 50V ELECT 4 7MF 20 50 MYLAR 0 0015MF 5 50V MYLAR 0 01 2MF 5 50V MYLAR 0 01 2MF 50V CERAMIC 100PF 5 50V CERAMIC 47PF 5 50V CERAMIC 220PF 10 50V MYLAR 0 047MF 50V ELECT 4 7 20 50V MYLAR 0 12 5 50 ELECT 4 7MF 20 50 ELECT 4 7 20 50 MYLAR 0 001 5MF 5 50V MYLAR 0 012MF 5 50V MYLAR 0 017 2MF 5 50V CERAMIC 100PF 5 50V CERAMIC 47PF 5 50V CERAMIC 220PF 10 50V MYLAR 0 04 7MF 5 50V ELECT 4 7MF 20 50V MYLAR 0 12MF 5 50V ELECT 4 7 20 50V ELECT 4 7MF 20 50V CERAMIC 680PF 10 50V ELECT 47MF 20 TOV ELECT 7 20 10V CERAMIC 5PF 0 25PF 50V Ref No Part No C505 1 161 959 00 C505 1 102 316 00 C506 1
23. 39 0502 8 719 933 39 0503 8 719 912 20 0504 8 719 912 20 0505 8 719 815 85 0506 8 719 815 85 0600 8 719 912 20 0601 8 719 933 39 0602 8 719 933 39 0603 8 719 912 20 0604 8 719 912 20 0605 8 719 815 85 0606 8 719 815 85 0800 8 719 200 77 0801 8 719 912 20 0802 8 719 912 20 0900 8 719 200 77 0901 8 719 200 77 0902 8 719 200 77 0903 8 719 200 77 0904 A 8 719 302 38 0905 8 719 200 77 0906 8 719 200 77 0907 8 719 200 77 0908 8 719 200 77 Note The components identi fied by mark ted line with mark are critical for safety Replace only with part number specified Description ELECT IMF 20 50V ELECT 470MF 20 16V ELECT 470MF 20 16V CERAMIC 0 01MF 250V AEP UK ELECT 470MF 20 50 CERAMIC 0 01MF 250 AEP UK ELECT 470MF 20 50V ELECT 47MF 20 25 0 01MF 250 FILM 1 MF 10 250V SOCKET CONNECTOR 20P SOCKET CONNECTOR 5 SOCKET CONNECTOR 3P PIN PIN PIN CONNECTOR 2P CONNECTOR 10P CONNECTOR 10 PIN PIN PIN CONNECTOR 2P CONNECTOR 5P CONNECTOR 10 PIN PIN CONNECTOR 10P CONNECTOR 5P PLUG CONNECTOR 7P PIN CONNECTOR PC BOARD 3P AEP UK PIN CONNECTOR 7P AEP UK PIN CONNECTOR 2P Canadian CORD POWER WG CORD POWER UK CORD POWER E CORD POWER DIODE UZL 7M DIODE SEL2810D D DIODE 1SS120 DIODE DIODE DIODE HZS6C1L HZS6C1L 1SS120 DIODE DIODE DIODE 1SS120 1S1585 1S1585
24. 5 240 11 910 1 635 245 11 911 1 635 235 11 920 1 533 213 31 921 1 569 007 11 1 535 139 00 BP2 1 535 139 00 Cl A 1 161 744 00 C100 C100 C101 C102 C103 C104 C105 C106 C107 C109 C109 C110 cil C111 C112 C113 C114 C115 C150 C200 C200 1 162 284 31 1 162 282 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 288 31 1 162 284 31 1 162 286 31 1 123 369 00 1 161 375 00 1 161 377 00 1 126 541 11 1 130 492 11 1 130 485 00 1 126 059 11 1 123 380 00 1 162 284 31 1 162 282 31 CAPACITORS uF uuF RESISTORS All resistors are in ohms e nonflammable COILS MMH mH UH uH SEMICONDUCTORS In each case u for example UA pA UPA UPC UPD uPD The components identified by mark or dotted line with mark A are critical for safety eplace only with part number specified Les composants identifi s par une marque s curit Ne les remplacer que par une pi ce portant le num ro sp cifi WG West Germany Model sont critiques pour la Description Ref No PC BOARD HP c201 PC BOARD LED C202 C203 AEP UK E Canadian MOUNTED PCB PANEL C204 posla 2 MOUNTED PCB PANEL C205 PC BOARD FUSE C206 PC BOARD JOINT C207 PC BOARD MC LED C209 AEP UK MOUNTED PCB AMP C209 Canadian MOUNTED PCB AMP WG MOUNTED PCB AMP
25. 905 180 270 3w 330 5w Ge E us R906 680 4 8K 1 MSE7815 L nai 1 a E uo WG West Germany Model c z 2d lt CA Canadian Model EXCEPT cal ar a 901 902 mz C912 i ICP901 902 4A 470 5 C909 100 35V I E 16V T M5F7945 C9148 ZJ 4 REG m R902 J 27 E 29 6 AxRS06 sedes 12 13 zd The mechanical parts with no reference number in the exploded views are not supplied The construction parts of an assembled part are indicated with a collation num ber in the remark column Items marked x are not stocked since they are seldom required for routine service Some delay should be antici pated when ordering these items 4 1 CASE PANEL z ES E gt OND gt SECTION 4 EXPLODED VIEWS e Due to standardization parts with part number suffix XX and X may be dif ferent from the parts specified in the components used on the set e Color Indication of Appearance Parts Example RED KNOB BALANCE WHITE 1 1 Cabinet s Color Parts Color WG West Germany Model Part No 3 703 685 21 4 929 299 01 4 908 875 01 4 916 746 11 4 864 307 00 4 916 729 01 3 703 710 41 4 929 289 01 4 908 848 01 4 929 293 32 3 684 018 01 4 929 284 01 4 929 295 13 4 931 902 01 7 682 548 04
26. AC 1 KEY SWITCH SWITCH SWITCH SWITCH PUSH CARTRIDGE PUSH 1 KEY SOURCE DIRECT PUSH 1 KEY LOUDNESS PUSH 1 KEY SUBSONIC ROTARY SLIDDE INPUT SWITCH ROTARY SLIDDE REC OUT SWITCH ROTARY SLIDDE SP AEP UK SWITCH SWITCH CAE eese TRANSFORMER POWER Canadian TRANSFORMER POWER WG TRANSFORMER POWER E TRANSFORMER POWER UK TRANSFORMER POWER AEP TERMINAL BOARD SP WG UK E Canadian TERMINAL BOARD SP TERMINAL TERMINAL E SWITCH VOLTAGE CHANGE CKING MATERIAL BAG POLYETHYLENE STICKER SONY SYMBOL 12 AEP UK E Canadian MANUAL INSTRUCTION MANUAL INSTRUCTION US MANUAL INSTRUCTION CUSHION INDIVIDUAL CARTON Note Les composants identifi s par une marque sont critiques pour la s curite Ne les remplacer que par une pi ce portant le num ro sp ci fi or dot mark TA F420 F420A English S 90F1670 1 QRR Q096 ony Corporation Printed in Japan 9 955 926 T1 Audio Group 1990 6 Including 9 955 926 91 22 Published by Customer Relations and Service Group SONY SERVICE MANU AEP Model UK Model TA F420A Canadian Model SUPPLEMENT 1 00n Model File this supplement with the service manual TA F420 Sbject 1 Modification on AMP Board 1 Modification on AMP Board New Former Distinction Canadian model AEP model UK m
27. E Canadian 330 5 SW 180 5 3W 270 5 680 5 3W 1K 5 3W F 1 8K 5 SW 1 4W 1 2W 1 2W Part No R954 R955 R957 1 247 700 11 1 247 699 11 1 247 749 11 R958 1 249 433 11 R959 1 249 441 11 R960 A 1 212 970 00 RV 300 RV 301 RV 302 RV 303 17238 51371 1 241 056 11 1 241 056 11 1 238 512 11 RV500 RV600 1 237 455 11 1 237 455 11 RY800 1 515 356 00 S1 1 554 920 21 SW100 SW300 SW301 SW302 1 572 357 11 1 571 637 21 1 571 112 21 1 571 112 21 400 1 571 871 11 1401 1 571 871 11 800 1 571 870 11 SW900A 1 571 309 31 T901 A 1 450 092 11 T901 1 450 093 11 T901 1 450 094 11 T901 A 1 450 095 11 T901 A 1 450 096 11 TM901 TM901 1 537 227 11 1 537 228 11 500 1 535 115 00 600 1 535 115 00 VS 1 570 307 11 ACCESSORY amp 3 701 630 00 3 703 710 41 3 751 657 11 3 751 657 41 3 751 657 51 4 931 985 01 4 931 986 01 Note The components identi fied by mark ted line with are critical for safety Replace only with part number specified 22272 TA F420 F420A Description CARBON 100 5 1 4W CARBON 82 5 1 4W CARBON 560 5 1 2W CARBON 22K 5 1 4W CARBON 100K 5 1 4W FUSIBLE 33 5 1 2W RES VAR CARBON 150K 150K BALANCE RES VAR CARBON 100K 100K TREBLE RES VAR CARBON 100K 100K BASS RES VAR CARBON 120K 120K VOLUME RES ADJ CARBON 500 BIAS RES ADJ CARBON 500 BIAS RELAY SWITCH PUSH
28. LT IN TRANSFORMER I phe et MODEL 3 5 BLOCK DIAGRAM 3 4 SCEMATIC DIAGRAM E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 _22 23 24
29. MEN PME E EE NS i5 7290 A 2 25 24 5 26 27 28 29 PANEL BOARD LED BOARD Semiconductor Location o parts extracted from the component side WG West Germany Model CA Canadian Model ie pm U D150 5 G 6 E WG Ee K 4 cuum E 3 4 E Us H108 jumper ed D 5 F 11 R109 209 WIRE etl D 1 4 CP4 D 11 E 4 9512 9507 0613 0612 0607 E 10 AMP BOARD E ES an x E FUSE BOARD D 11 D 3 D 11 D 4 ENSIS D G 10 B 3 D 6 B 5 D 6 D 5 D 6 MODEL 0 6 4 1 23 2 E 11 7 23 0 10 0 16 B 10 A 29 mt B 28 D 9 A 28 D 11 28 E WG E CA MODEL ee ey 23 0 11 SEC BOARD G 11 J 5 F 7 23 E 5 C 22 H 11 G 10 A 22 6 7 23 I I 0000000000 AEP UK MODEL ia Lu a eee T901 POWER D9 TRANSFORMER LT VOLTAGE gt li I SELECT 240 rR 120v VIO PHONO Eee gt WHT i l I YEL BE SP TM BOARD a MC MM BRN GRY gt 4 n I ORG l J800 i g NOT REPLACEABLE BU
30. NUAL OR IN SUPPLEMENTS PUB LISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT A LA SECURITE LES COMPOSANTS IDENTIFIES PAR UNE MARQUE SUR LES DIAGRAMMES SCHEMATIQUES ET LA LISTE DES PIECES SONT CRITIQUES POUR LA SECURITE DE FONCTIONNEMENT NE REMPLACER CES COM POSANTS QUE PAR DES PIECES SONY DONT LES NUMEROS SONT DONNES DANS CE MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR SONY i SECTION 1 GENERAL Precautions 220 V 240 V On operating voltage Before operating the unit check that the operating voltage of your unit is identical with the voltage of your local power supply Where purchased Canadian Model Operating voltage 120 VAC UK Model AEP West Germany Model 240 V AC 220 V AC 120 V 220 V or 240 V AC adjustable The voltage selector is located on the rear panel If the selector must be reset disconnect the AC power cord and set the selector to the proper voltage of your local power supply PARTS IDENTIFICATIONS REC OUT SELECTOR INPUT SELECTOR LOUDNESS SPEAKERS VOLUME POWER CARTRIDGE HEADPHONES SOURCE DIRECT SUBSONIC BALANCE Connections Speaker system A VTR or other audio equipment Pa Turntable system Tuner Ln Amplifier TA F420A SPEAKER IMPEDANCE SELECTOR CD player Cassette deck 1 Cassette deck 2 or DAT deck
31. OFF SUB SONIC 1 500 Ta R508 PN R R125 1M 4 ON OFF DIRECT zd 9601 27K C507 EL TM901 I w SW302 1 SW300 1 ON gt OFF 1 Boye 1 SPEAKER REC GUT CUN tot lt R313 10 Cr 9 tL 55 9512 LATCH Bee i Tap L o RM EAT Cad 820K IC301 1 2 sov P S p agi T D 2503264 L504 AUTORESET J101 2 A104 4 t L o 4 7 R500 A506 1 854H B IN A126 1M L T 55 5 s 50V RAV302 i TRN 1K 502 isi 3 100K ia t e 5 i 9 s ic300 I Ls l eso i VIDEO 127 4M o 7 v 9 M5218L AV303 RTT Y NS r z AUX IN L NE AMP m 120K 1280K i LA OIN XR105 m n C300 ET M 505 2 1 L L I 5 amp g 2 T Caol 75305 14 2 VOLUME 53 a J100 2 2 z z L lt 0 0015 T eae RUE het 9504 C501 R504 44 SW800 R 8 L 5 o L 50 47 580 680 ON 4 CD IN awe P188 2 IPS 4 8 2K x Om J SW301 4 2 2862603 ig SPEAKERS 3 1 1 1 4 ou C302 7 a RV303 2 CURRENT N SM eere J100 4 e AMY ot Lio i in O 0 012 C303 MIRROR r 9505 A m u TUNEA C106 XR107 R129 o dA OU d E R ES 9505 iy Tex m I MODEL IN C112 330 18V 9 rene
32. UK MOUNTED PCB AMP Canadian MOUNTED PCB AMP WG MOUNTED PCB AMP MOUNTED AMP PC BOARD SP SW WG E Canadian PC BOARD SEC AEP UK PC BOARD SEC SW PC BOARD SP TM HOLDER FUSE E ADAPTOR CONVERSION 2P Canadian CORD POWER AEP WG CORD POWER oie rn CORD POWER Esato ass es CORD POWER CAE Joer eenei TRANSFORMER POWER Canadian TRANSFORMER POWER WG TRANSFORMER POWER TRANSFORMER POWER UK densa TRANSFORMER POWER Les composants identifi s par sont critiques Ne les remplacer que par une pi ce portant le num ro sp ci Remarks e Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set SECTION 5 ELECTRICAL PARTS LIST e items marked x are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items e f there are two or more same circuits in a set such as a stereophonic machine only typical circuit parts may be indicated and capacitors and resistors in other same circuits may be omitted Ref No 901 Part No 635 237 11 902 1 635 239 11 903 A 4334 714 A 4334 725 904 1 635 243 11 905 1 635 242 11 906 1 635 238 11 907 A 4334 708 A A 4334 719 A A 4334 721 A 4334 727 908 1 635 236 11 909 1 63
33. odel West Germany model E model Changed Part List Former Suffix of board part No 11 Serial No A700 001 A700 100 Serial No 500 001 500 900 Serial No 600 001 600 300 Suffix of board part No 11 1 249 427 11 CARBON 68k 5 1 4W New Suffix of board part No 12 Serial No A700 101 Serial No 500 901 Serial No 600 301 ALL ALL Suffix of board part No 12 1 249 421 11 CARBON 22k 5 1 4W Suffix of board part No 11 7 Suffix of board part No 12 12 AMP BOARD PC1237 PROTECTOR 6904 2502064 54 43 6800 DTA124ES ROTECT 394 RYBOO 139 D802 0801 0 US1060M US1050M G800 DN DTAS24ES D 47 40 BS 29 690 R904 2881370 C907 22 63V a c90B 470 35v L Ce09g 100 35V WG E CA C9148 BOARD E M YAT 5 5 0800 T E English 90H1675 1 Sony Corporation Printed in Japan 9 955 926 81 Audio Group 1990 8 2 Published by Customer Relations and Service Group
34. r Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 500 microampers Leakage current can be measured by any one of three methods 1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instru ments 2 battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC volt meter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set AC voltmeter BER 0 75 V Earth Ground Fig A Using an AC voltmeter to check AC leakage SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MA
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