TC-KB820S
Contents
1. 5 5 MAIN C809 0 022 1 3 3 JE Page 25 0532 4 N 24 BIAS xz lt alz SWITCH C C OJO 44 lt lt lt lt 10k m m mlm 99952 g 3 X I 8 2 2 4 5 lt 7 x Lime IC601 1 MOTOR BRIVER Al 5 IC510 I F AMS C553 Rosg Lin 56p 100k An 1 34 gt R556 ER 7 5 SYSTEM CONTROLLER 50 3 3k R557 SOV iria 7 4 100k H A 6 se CXP8261210220 299550 70 5 35 gt BETECTOR G OSC H L OSC ON OFF C ce 0 38EBe2z22s227222358222222228 H lt I JS i 10 b Tug Ji s p ps HT lt 14 n E iR 1 P 1411 4 11 b lt 17 17 gt 18 lt 36 gt is 54 2 EISE MAIN BOARD lt 21 lt 21 gt 2 2 173 Page 25 38 lt 22 lt 23 39 gt 2 lt 25 41 gt lt u gt e 27 7 4 05 arpa u ir F ai S S S 0 6 5 6 9 y LEAF SW BOAR CNP81 Page 18 20 c 24 5 7 SCHEMATIC DIAGRAM MAIN Section 3 3 See page 28 for Block Diagrams 1 2 3 4 5 7 8 9 10 11 12 MAIN BOARD 72. 249 421 11 Description IC CXP82612 022Q IC PST600E T lt JACK gt JACK PIN 4P LINE IN OUT lt FILTER gt FILTER LOW PASS FILTER LOW PASS lt TRANSISTOR gt TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR lt RESISTOR gt CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON DTC144ES DTC114ES DTC114ES 25021445 25 4035 51 DTC144ES DTC114ES DTC114ES 25021445 25 4035 51 UN4111 25 4035 51 DTC143TS DTC114ES UN4111 DTC114ES 25 1175 UN4111 DTA144ES 2501387 25B1094 LK 2502012 25B1094 LK 25 4035 51 25 1175 2SB1116A L 25A1175 HFE 2K 3 3K 1K 1 8K 220K 4 3K 10 10 6 8K 24K 10K 47K 22K 27K 47K 2 2K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Hemark 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W Ref No 3 4 5 R131 R132 R133 R134 R135 R136 R141 R143 R144 R145 R151 R152 R153 R154 R201 R202 R204 R205 R206 R207 R208 R210 R211 R212 R213 R2
3. D 1 Vi Z ES lt ua SS ST CN dr NO JI Ju a a l 2 7 80 R8 A C 5 N x LO a Y L B N N A co US cc 2 X I SO UE 2 gt Sx ype ve cO lt D D D 0 20 19 5 5 SCHEMATIC DIAGRAM MAIN Section 1 3 1 2 3 14 1 gt 5V MOTOR 2 3 gt B 4 C501 A BOLBY NR B C C108 E 8 10852 TYPE 1 1 0 8 gt MPX FILTER ON 4 3 S S 30V TYPEIV 5 2 MPX FILTER OFF 0 ST fe 9 LINE OUT BUFFER 1512 2 2 M5218AP AH 0503 BNIAZM METAL Eff GND O i eo ex us R CH QUT TYPEI W 4 8 4 1 iu E L CH OUT gt gt PB EQ SWITCH 4 BEG VOL pacer eR 8 BOARD 7 S IC501 CN304 BOLBY AD TYPE Il 1V 4 8 CXA15635 Page 34 0 olf 0201 N i3 PB EG SWITCH 7 5V L CHER m GND ale 3 LEVEL 0601 F REEL E3 2 5V MTR 1 p SE BOLBY
4. 1 2 lt 3 lt Risa l Ik 2 4 lt o 5 lt lt e gt 0121 0122 to 25 2785 25821445 LINE MUTE CAL MUTE 29 7 lt 504 272 C504 5218 METER BAIA4M REC MUTE SWITCH lt 30 lt 31 lt 32 0221 2502785 lt 33 25821445 5 LINE MUTE CAL MUTE z MAIN BOARD v 2 3 Page 24 TYPE 1 1 0 IV 5 2 4 0572 0701 TUPE 11 1 4 7 CAL MUTE 7 5 REGULATOR CNE701 SWITCH REGULATOR 7 5 IP el mv 5218 pd 9 ij EID UJ 6 0572 5 LINE MUTE SWITCH NE CN801 M 2 51 lt 35 gt 2 0702 OM 2582012 5 7 5V un REGULATOR A A B Gl 62 o N S15 1551331 Q707 518 Kill N R719 5V REGULATOR sig Lego a rsis oo XN R717 sis R718 10k ss 0707 708 u 0713 HZS7CILTA 20V REGULATOR O 16 gt C711 FM p 0 1 rsio 5 ss 4 P B BJ s be ps py 2 se MAIN BOARO NN 5 rss ss p mam 2 On E lt 40 KEY Y X41 X42 05 26 13 J501 2 2 L 3 R HP BOARO 506 Page 34 T RANSF ORMER BOARD 701 Page 33 F1 F2 GN t D V 20V GRID GRID G
5. cl 249 433 11 249 425 11 249 426 11 249 426 11 247 858 11 247 852 11 247 854 11 247 854 11 249 426 11 249 422 11 249 429 11 249 421 11 249 426 11 247 864 11 249 419 11 249 421 11 247 866 11 247 852 11 249 431 11 247 874 11 249 429 11 249 429 11 249 429 11 249 429 11 249 437 11 249 427 11 247 843 11 249 441 11 249 429 11 249 441 11 249 417 11 249 432 11 249 436 11 249 429 11 249 429 11 249 435 11 247 807 31 249 435 11 249 429 11 249 433 11 249 419 11 249 429 11 247 807 31 249 433 11 249 433 11 249 430 11 249 433 11 247 862 11 249 429 11 249 425 11 249 419 11 249 418 11 249 427 11 249 419 11 249 419 11 249 429 11 249 425 11 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 22K 4 7K 5
6. O LmascaLs 0 CAP M ON OFF Capstan motor M902 on off control signal output terminal H motor on OSC H L O Calibration tone frequency high low control signal output terminal L frequency high OSC ON OFF Calibration tone on off control signal output terminal H off L on BC S Dolby and C type or dolby S type selection signal output to the CXA1563S IC501 dolby B and C type L dolby S type Dolby B type or dolby C type selection signal output to 15635 IC501 METER R DOLBY AD HALF METAL CHROM S REEL RESET XO 5 DOLCON H dolby C type L dolby off high impedance dolby B type 35 Recording playback control signal output to 15635 IC501 43 REC PB 99 66 99 L recording mode H playback mode uas Nc 0 Notused open 46 to 61 5110516 oO Segment drive signal output to the fluorescent indicator tube FL901 6 S8 o Segment drive signal output to the fluorescent indicator tube FL901 63 to 65 NC Not used open 66 to 70 G5 to Gl oO Grid drive signal output to the fluorescent indicator tube FL901 71 V DISP Power supply terminal for the fluorescent indicator tube drive 20 7 vD Power supply terminal 5V Nc O Not used open D D 75 Power supply terminal 5V 76 AC in detect signal input terminal H AC
7. 701 K S Q screw B V ring Q bracket TR CASSETTE HOLDER R ASS Y 0 cassette holder FITTING BASE BLOCK two screws PTPWH2 x 23 Q connector CNP32 screw PTPWH2 x 23 4 Q fitting base block Note When installing pull the FR belt and put around the claws as shown below Note When installing pull the capstan belt and put around the claws as shown below HEAD Q erase head Q connector 2 CNP32 screw B2x 10 record playback head compression spring azimuth screw flexible board CNP72 connector CNP71 Q capstan motor D ground plate Q audio Q two screws board B2 6 x 3 Q reel motor belt two screws P2 6 x 2 8 SECTION 3 MECHANICAL ADJUSTMENTS PRECAUTION 1 UJ Clean the following parts with a denatured alcohol moistened swab record playback erase head pinch roller rubber belts capstan idler Demagnetize the record playback head with a head demagne tizer Head demagnetizer do not approach for the erase head Do not use a magnetized screwdriver for the adjustment After the adjustments apply suitable locking compound to the parts adjusted The adjustments should be performed with the rated power supply voltage unless otherwise noted Torque Measurement Torque Meter Meter Reading 30 to 60 gecm CQ 102C 0 42 to 0 83 ozeinch
8. 8205 SERVICE MANUAL UK Model Australian Model Dolby noise reduction and Pro headroom ex Model Name Using Similar Mechanism TC KE400S tension manufactured under license from Dolby Laboratories Licensing Corporation HX Pro origi nated by Bang amp Olufsen DOLBY the double D symbol and HX PRO are trademarks of Dolby Laboratories Licensing Cor Tape Transport Mechanism Type TCM 190VB12CSS poration SPECIFICATIONS System Frequency response Dolby NR off Type I tape Sony Type I NORMAL Recording system 30 16 000 Hz 3 dB IEC 4 track 2 channel stereo 20 17 000 Hz 6 dB Type II tape Sony Type II HIGH Fast winding time approx 30 17 000 Hz 3 dB 90 sec with Sony C 60 cassette T 20 18 000 Hz x6 dB ype IV tape Sony Type IV METAL Bias 30 19 000 Hz 3 dB IEC AC bias 30 13 000 Hz 3 dB 4dB recording 20 20 000 Hz x6 dB Heads Erasing head x 1 F amp F head Inputs Playing Recording head x 1 5D head Line inputs phono jacks Motors Sensitivity 0 16 V Capstan motor x 1 DC servo motor Input impedance 47 kilohms Reel motor x 1 DC motor Signal to noise ratio at peak level weighted and with Dolby NR off Outputs Type I tape Sony Type I NORMAL 55 dB Type II tape Sony Type II HIGH 57 dB Line outputs phono jacks Type IV tape Sony Type IV METAL 58 dB Rated output level 0 5 V at a load impedance of 47 ki
9. lt VARIABLE RESISTOR gt RES ADJ CARBON 1K RES ADJ CARBON 1K RES ADJ CARBON 1K RES ADJ CARBON 2 2K RES ADJ CARBON 22K RES ADJ CARBON 22K RELAY RELAY TRANSFORM ER TRANSFORM ER BIAS OSCILLATION TRANSFORM ER BIAS OSCILLATOR TRANSFORM ER BIAS OSCILLATOR lt TEST PIN gt Hemark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W HOUSING CONNECTOR PC BOARD 3P TEST TERMINAL K K K K K K K K K K K K K K K K K K K K KK K K K K K K K K K K K K K K K A 2007 481 A DOLBY S BOARD COMPLETE le 1s is is 12 136 165 00 163 012 00 163 012 00 164 222 11 136 165 00 K K K K K K K K K K K lt CAPACITOR gt FILM 0 1uF 5 CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP FILM 0 0018uF 10 0 0018uF 10 0 22uF 0 1uF 5 50V 50V 50V 25V 50V Ref No C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C28 2 J3 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 Part No cl 136 165 00 137 372 11 164 222 11 126 301 11 137 442 11 163 007 11 164 717 11 163 038 00 124 465 00 164 222 11
10. 4 6 HIGH O CAP M ON OFF 4 Ik BOLBY B 0 2 Page amp 8 MPX BOLBY C 4 2 SWITCH CNB33 5 5 10P BIAS G Al Di SN MPX FILTER OFF 0 D RELAY AUBIO BOARD CNP33 IC506 Page 18 pcd SOURCE SELECT Page 18 BIAS TYPE O k z 10 gt 11 gt eo 12 gt 13 CN201 gt 7 lt 14 gt OSC H L SWITCH 15 gt B IE d lil 4 wi 19 gt 20 gt B 1 21 gt J l 22 gt DOLBY AD 25 lt CAL KEY 2 CAPSTAN MOTOR ON OFF 25 gt OSC ON OFF 26 gt L MP FILTER ON OFF 27 gt CAL ON OFF gt lt 28 gt 05 The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified 8205 15 MAIN BOARD 2 5 23 MAIN BOARO 2 3 Page 23 8205 5 6 SCHEMATIC DIAGRAM MAIN Section 2 3 See page 27 for Waveforms TP801 2P T Jes TERMINAL El 4 B mp lt id lt s gt gt 2 5 gt MAIN BOARD lt 6 6 gt 1 3 lt 7 Page 22 Z TYPE 1 0 3 505 TYPE IV 4 8 9 TYPE 1 0 TYPEIV 5 2 BIAS CAL C 5 0 9 28 4 31 gt OF BIAS wm pq MEE wa 114 4 a 8801 SWITCH HZS6AILTA 8 14052 C808 0 022 R814 100 Reis 100
11. 163 038 00 124 465 00 163 038 00 164 222 11 163 035 00 164 717 11 164 161 11 163 005 11 137 442 11 136 165 00 127 372 11 163 038 00 695 092 11 8 752 076 30 216 296 00 216 296 00 216 296 00 216 685 11 208 811 11 208 791 11 208 799 11 216 689 11 216 689 11 216 615 11 208 462 41 208 812 11 216 615 11 216 619 111 216 684 11 216 615 11 216 619 11 216 655 11 216 678 11 216 673 11 208 462 41 208 462 41 216 689 11 Description FILM FILM CERAMIC CHIP ELECT FILM CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP FILM FILM FILM CERAMIC CHIP CONNECTOR 0 1uF 0 022uF 0 22uF 1uF 0 039uF 680PF 0 0082uF 0 1uF 0 47uF 0 22uF 0 1uF 0 47uF 0 1uF 0 22uF 0 047uF 0 0082uF 0 0022uF 470PF 0 039uF 0 1uF 0 022uF 0 1uF SOCKET CONNECTOR 7P lt C gt IC CXA1917AM T6 lt SHORT CHIP gt SHORT CHIP 0 SHORT CHIP 0 SHORT CHIP 0 lt RESISTOR gt METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP 27K 16K 2 4K 5 1K 39K
12. 39K 33 10K 18K 33 47 24K 33 47 1 5 13 8 2K 10K 10K 39K 5 5 20 5 10 5 20 20 5 10 10 5 5 5 0 5 2 2 2 0 5 0 5 0 5 2 2 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 2 2 0 5 Hemark 50V 50V 25V 50V 50V 50V 50V 25V 50V 25V 25V 50V 25V 25V 50V 50V 100V 50V 50V 50V 50V 25V 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W K K K K K K K K K KK K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K 43 Ref No C133 C233 J502 CNP81 CNP81 81 1 3 4 5 581 582 583 584 586 Part No 1 1 162 294 31 162 294 31 Description Hemark HP BOARD KOKK K K K K K K Included in MAIN BOARD COMPLETE lt CAPACITOR gt CERAMIC 0 001uF 10 50V CERAMIC 0 001uF 10 50V lt JACK gt 1 568 519 41 JACK LARGE TYPE PHONES K lt K K K K lt gt lt gt KK lt gt K K K K K K K K K K K K K K K K K K K K K K K K K K K K 1 Ta 1 638 020 11 568 850 11 695 368 31 8 749 924 10 249 414 11 247 834 11 249 417 11 249 408 11 571 958 11 571 281 21 571 281 21 571 281 21 571 281 21 LEAF SW BOARD KOK K K K K K K K K K K K K lt CONNECTOR gt SOCKET CONNECTOR 7P PIN CONNECTOR PC BOA
13. MAIN BOARD 1 3 CN504 Page 26 S922 DOLBY NR S MPX k FILTER C Yawar B A HP BOARD CNP506 OFF k V J502 E PHONES C 5921 y AUTO CAL MAIN S BOARD 5 2 O O CN506 CHASSIS im Page 21 TRANSFORMER BOARD 1901 POWER TRANSFORMER em J EE J CHASSIS penc gt T T AJ gt O CNP704 2P MAIN BOARD 2 2 CNE701 x NOT REPLACEABLE Page 26 BUILT IN TRANSFORMER The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified 34 12 5 12 PIN FUNCTION DESCRIPTION MAIN BOARD 801 CXP82612 022Q SYSTEM CONTROLLER 1 2 3 4 to 6 oo N 21 22 23 24 25 27 28 29 STOP SW Mechanism stop detect switch S81 input terminal SIRCS IN Sircs signal input from the remote control receiver IC901 VERSION2 Setting terminal for the version fixed at L O Notusca open MPX ON OFF O Multiplex filter on off control signal output terminal multiplex filter on CAL ON OFF 0 Calibration on off control signal output terminal H calibration on REC CAL 0 EN Recording calibration up down control signal output to the 1579 IC502 REC CAL 1 H up L down high impedance off GP CAL 0 oO Equalizer calibration up down control signal output to the
14. 505 506 507 508 509 510 511 512 601 1C701 Part No 162 282 21 164 159 11 137 374 11 1 568 826 11 1 695 087 11 1 695 087 11 1 568 828 11 1 506 468 11 1 568 845 11 1 691 916 21 1 691 916 21 1 564 510 11 1 764 330 11 8 719 911 19 8 719 911 19 8 119 911519 8 719 911 19 8 719 911 19 8 719 911 19 8 719 911 19 8 719 911 19 8 719 024 99 8 719 024 99 8 719 024 99 8 719 024 99 8 719 024 99 8 719 024 99 8 719 024 99 8 719 933 33 8 719 986 05 8 719 985 88 8 719 911 19 8 719 911 19 8 719 986 00 8 719 911 19 8 719 985 41 8 719 933 33 8 719 933 33 8 752 066 35 8 752 055 62 8 759 634 51 8 759 634 51 8 759 634 51 8 759 140 53 8 759 634 51 8 759 000 48 8 759 916 14 8 759 634 51 8 759 634 51 8 759 634 51 8 759 803 42 8 759 634 51 Description CERAMIC 100PF CERAMIC 0 1uF FILM 0 047uF lt CONNECTOR gt SOCKET CONNECTOR 7P PIN CONNECTOR PC BOARD 7P PIN CONNECTOR PC BOARD 7P SOCKET CONNECTOR 9P PIN CONNECTOR 3P SOCKET CONNECTOR 31P CONNECTOR BOARD TO BOARD CONNECTOR BOARD TO BOARD PLUG CONNECTOR 7P PIN CONNECTOR PCB V TYPE 7P gt DIODE gt DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE lt C gt 1SS119 1SS119 1SS119 1SS119 1SS119 1SS119 1SS119 1SS119
15. 1 249 409 11 CARBON 220 5 1 4W 1 249 417 11 CARBON 1K 5 1 4W 1 249 427 11 CARBON 6 8K 5 1 4W 1 249 427 11 CARBON 6 8K 5 1 4W 1 249 421 11 CARBON 2 2K 5 1 4W 1 249 421 11 CARBON 2 2K 5 1 4W 1 249 437 11 CARBON 47K 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 247 870 11 CARBON 43 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 417 11 CARBON 1K 5 1 4W 1 249 441 11 CARBON 100K 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 434 11 CARBON 27K 5 1 4W 1 249 434 11 CARBON 27K 5 1 4W 1 249 434 11 CARBON 27K 5 1 4W 1 249 434 11 CARBON 27K 5 1 4W 1 249 434 11 CARBON 27K 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 421 11 CARBON 2 2K 5 1 4W 1 249 435 11 CARBON 33K 5 1 4W 1 249 421 11 CARBON 2 2K 5 1 4W 1 249 422 11 CARBON 2 7 5 1 4W 1 249 422 11 CARBON 2 7K 5 1 4W 1 249 422 11 CARBON 2 7 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 437 11 CARBON 47K 5 1 4W 1 249 437 11 CARBON 47K 5 1 4W lt VARIABLE RESISTOR gt 1 241 765 11 1 241 765 11 RES ADJ CARBON 22K RES ADJ CARBON 22K lt TEST PIN gt 1 560 060 00 PIN CONNECTOR 2P TEST TERMINAL lt VIBRATOR gt 1 577 360 11 VIBRATOR CERAMIC 6M
16. L CH gt amp HRP901 ello 6 9 RECORD 90890 o ole PLAYBACK CNP3L HEAD LEAF SW BOARD 88 m i BUK e A gt Bou SB a lg tai cNPT2 Pais Gs ou 5 5 581 MECHANISM STOP B JB RVTI wis A 5 S m 1 C98 o eremum 1 BR zB E ld CAPSTAN Ras 2 e RV2I RVII 18 638 412 18 D MAIN BOARD CNB33 Page 19 C MAIN BOARD CN8I Z METAL 20 O O6 CNPB AUDIO BOARD SIDE _ 16 1 638 412 e Semiconductor Location Note LEA 8205 5 3 SCHEMATIC DIAGRAM MD Section page 27 for Waveforms 1 2 3 4 5 1 8 9 10 11 12 13 AUDIO BOARD C31 A PB EQ RECO 5 BACK ass gt gt CNP71 or RVII Dr O 901 PLAYBACK gt M LEVEL L C12 0 022 RI 6 2 SPEED GOGOI U U m m M902 CAPSTAN MOTOR lt PLAYBACK LEVEL R 071 254812 25055 SPEED SWITCH R74 051 25816225 2 BIAS SWITCH 85 47x 7 5v D L CH PB 3 GNB SIGNAL R CH PB Pe REELS MAIN BOARS 1 5 5V m CNB31 d 7 5V MOTOR Page 21 1 BIAS 2 L REO 6
17. nonflammable resistor e 1 panel designation Note The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified B Line B Line e Voltages and waveforms are dc with respect to ground under no signal conditions no mark PB Impossible to measure Voltages are taken with a VOM Input impedance 10 Voltage variations may be noted due to normal produc tion tolerances e Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms e Signal path gt gt gt REC Note on Printed Wiring Boards parts extracted from the component side parts extracted from the conductor side Through hole Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from Side B the pattern face are indicated Parts face side Parts on the parts face side seen from Side A the parts face are indicated e Indication of transistor 14 These are omitted 8205 5 2 PRINTED WIRING BOARDS MD Section See page 13 for Circuit Boards Location AUDIO BOARD SIDE A C ERASE HEAD X R amp ROH ee MAIN BOARD CNB3I Page 20
18. 6K 5 6K 13K 7 5K 9 1K 9 1K 5 6K 2 7K 10 2 2 5 6 24 1 5K 2 2K 30K TARK 15 62K 10K 10K 10K 10K 47K 6 8K 3 3K 100K 10K 100K 1K 18K 39K 10K 10K 33K 100 33K 10K 22K 1 5K 10K 100 22K 22K 12K 22K 20K 10K 4 7K 1 5K 1 2K 6 8K Tak 1 5K 10K 4 7K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W The components identified by mark A or dotted line with mark are critical for safety Replace only with part num ber specified Ref No R709 R710 1 12 3 5 6 R717 R718 R719 R801 R802 R803 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R821 R822 R823 R824 R825 R826 R827 R828 R829 R830 R831 R832 R833 RV111 RV211 TP801 X801 K K K K K KK K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K C901 Part No Description Remark
19. CXA1579P IC502 GP CAL 1 EJ H L down high impedance off LINE MUTE EJ Line muting on off control signal output terminal L line muting on AMS IN Auto music sensor signal input terminal AMS detect NC Not used open REC MUTE Record muting on off control signal output to CXA1579P 1 502 record muting on REEL Reel motor M901 drive signal output terminal REEL Recording bias on off control signal output terminal bias on BIAS Relay drive signal output for the record playback selection relay L playback mode H recording mode AUTO CAL switch 8921 input terminal METER L signal input for the level meter drive L ch o EZ ICE ES om KEY Y Key input terminal A D input S905 to S909 o RELAY CAL KEY O REC MUTING H PAUSE MEMORY RESET keys input Signal input for the level meter drive R ch DOLBY NR switch 8922 input terminal A D input Half detect switch 586 input terminal Metal detect switch S83 and CrO detect switch S82 input terminal H metal or CrO Supply reel rotation pulse input from the rotation detect sensor IC81 System reset signal input from the reset signal generator IC802 L reset L is input for several 100 msec after power on then it changes to H 0 BIASCAL1 O Equalizer bias calibration control signal output terminal
20. D A 2007 779 A MAIN BOARD COMPLETE 9 3 703 249 21 SCREW 5 TIGHT PTTWH M3X8 6 4 966 267 11 BUSHING FBS001 CORD 10 4 956 370 12 BAND PLUG FIXED UK Australian AT 1 575 651 21 CORD POWER 11 3 704 515 21 SCREW BV RING AT 1 696 586 11 CORD POWER UK A T901 1 427 751 11 TRANSFORMER POWER orm 2 FRONT PANEL SECTION Q9 B AC POWER SW board QC HP board D PANEL board E REC VOL board Ref No 51 52 53 54 55 55 56 57 58 Part No 3 020 978 01 3 020 979 01 X 3374 953 1 4 942 568 41 3 020 971 01 3 020 971 21 3 020 980 01 4 922 921 62 4 951 620 01 Description Hemark KNOB REC KNOB BALANCE LID ASSY CASSETTE EMBLEM NO 5 SONY PANEL FRONT AEP UK PANEL FRONT Australian WINDOW METER BUTTON POWER SCREW 2 6X8 BVTP 59 Ref No 59 60 61 62 63 64 65 66 67 38 Part No 1 696 456 11 1 590 486 11 3 020 975 01 3 020 977 01 3 933 299 01 X 3375 506 1 3 937 169 01 3 020 976 01 3 354 981 11 MD ASS Y SECTION Description Hemark WIRE FLAT TYPE 31 CORE WIRE FLAT TYPE 7 CORE BUTTON CONTROL BUTTON AUTO CAL KNOB DIA 12 BASE KB820S ASSY PANEL SPRING TENSION BUTTON EJECT SPRING SUS RING 13 MD ASS Y SECTION 103 TCM 190VB12CSS 104 ph 105 Ref No Part No Description Remark Ref No Part No Description Remark 101 3368 119 1 HOLDER R ASSY CASSETTE 105 3 354 954 0
21. RES CHIP 36K 5 1 10W 42 Ref No 2 R23 4 1 2 3 R51 R52 R53 R54 R55 R57 R71 R72 R73 R74 R81 R82 R83 R84 R85 R91 R92 R93 R94 R95 RV11 RV12 2 RV81 RV91 RY31 T51 T81 T91 C1 C2 C3 C4 C5 Part No 1 216 025 00 216 100 00 216 068 00 216 033 00 216 033 00 216 065 91 216 091 00 216 091 00 216 073 00 216 309 00 216 309 00 216 298 00 216 025 00 216 055 00 216 089 00 216 089 00 216 073 00 216 085 00 216 001 00 216 101 00 216 075 00 216 073 00 216 085 00 216 001 00 216 101 00 216 075 00 241 761 11 241 761 11 241 761 11 241 762 11 241 786 11 241 786 11 515 913 11 433 383 11 433 398 11 433 398 11 568 449 11 Description RES CHIP 100 5 RES CHIP 130K 5 6 2K 5 METAL CHIP 220 5 METAL CHIP 220 5 RES CHIP 4 7K 5 METAL CHIP 56K 5 METAL CHIP 56K 5 METAL CHIP 10K 5 METAL CHIP 5 6 5 METAL CHIP 5 6 5 METAL CHIP 2 2 5 RES CHIP 100 5 1 8 5 RES CHIP 47K 5 RES CHIP 47K 5 METAL CHIP 10K 5 METAL CHIP 33K 5 10 5 150K 5 METAL CHIP 12K 5 10K 5 METAL CHIP 33K 5 METAL CHIP 10 5 METAL CHIP 150K 5 METAL CHIP 12K 5
22. so that 10 kHz play back output is 030 5 dB relative to the 315 Hz output Adjustment Location AUDIO board See page 12 if Record Level Adjustment Setting REC LEVEL control Standard Record See page 10 Procedure 1 Mode record LINE IN AF OSC 315 Hz 0 5 V 3 8 dB CS 123 blank tape Attenuator 0 9 II I O 2 Mode playback recorded portion LINE OUT 3 Adjust RV111 L CH and RV211 R CH so that the reading on level meter meets the adjustment limits below Adjustment Limits 3 8 0 5 dB 0 47 to 0 53 V Adjustment Location MAIN board Adjustment Location MAIN BOARD COMPONENT SIDE HERR E EMEN CN831 CN833 4 RV211 RV111 AUDIO BOARD SIDE E 8 RV72 O S O T91 O 1 LL eu RV21 12 SECTION 5 DIAGRAMS e Circuit Boards Location TRANSFORMER board AC POWER AUDIO board SW board MAIN board DM HP board PANEL board LEAF SW board HEC VOL board 13 5 1 NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is each block Note on Schematic Diagram All capacitors are in unless otherwise noted pF upF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Q and 4 W or less unless otherwise specified A internal component e Em
23. 1 LEVER LOCK LEVER 102 3 354 963 01 DAMPER 106 3 354 962 01 SPRING EJ SAFTY SPRING R 103 1 769 914 11 WIRE FLAT 9 CORE 107 3 354 956 01 LEVER EJ SAFTY LEVER R 104 3 354 957 01 JOINT LOCK LEVER 108 3 354 960 01 SPRING LOADING R TORSION 0 4 MECHANISM DECK SECTION 1 TCM 190VB12CSS Ref No 151 152 153 154 155 156 157 158 159 160 161 162 163 158 157 not supplied 7 Part No 3 907 362 01 A 2004 673 A 3 343 484 01 3 359 445 11 X 3374 992 1 3 363 868 01 3367 629 1 3 359 467 01 3 359 436 11 3 359 414 01 1 638 983 11 2007 780 3 359 466 01 not not M 152 as Description Hemark SPRING TORSION DECK ONE ASSY HEAD including HRP901 SPRING COMPRESSION HOLDER 1 WAY HEAD SLIDER LIMITER ASSY SPRING HEAD CHASSIS TENSION FLYWHEEL FWD ASSY BELT 1 WAY FLAT BELT BASE THRUST RETAINER FITTING SCREW PTPWH 2 23 MOTOR FLEXIBLE BOARD AUDIO BOARD COMPLETE BELT FR SQUARE supplied Ref No 164 165 166 167 168 169 170 171 172 901 901 902 40 1 638 020 11 3 359 430 01 3 575 321 00 3 359 424 01 3366 971 1 3 362 308 01 3 356 713 01 3366 970 1 3366 047 1 1 543 673 11 3363 501 2 3374 302 1 162 supplied Description Hemark LEAF SW BOARD SPRING CASSETTE RETAINER LEAF RETAINER THRUST CAPSTAN GEAR REV GEAR
24. 11 CARBON 6 8K 5 1 4W 1 247 843 11 CARBON 3 3K 5 1 4W 1 247 868 11 CARBON 36K 5 1 4W 1 247 836 11 CARBON 1 6K 5 1 4W 1 249 421 11 CARBON 2 2K 5 1 4W R926 RV901 RV902 5921 5922 VARIABLE RESISTOR gt 1 225 607 11 1 223 605 11 RES VAR CARBON 10K 10K REC LEVEL RES VAR CARBON 20K 20K BALANCE SWITCH 1 572 184 11 1 762 647 11 SWITCH KEYBOARD AUTO CAL SWITCH ROTARY DOLBY NR K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K E y 8205 TRANSFORMER Ref No Part No Description Hemark TRANSFORM ER BOARD K K K K K K K K Included in MAIN BOARD COMPLETE 3 923 762 11 HOLDER TR CAPACITOR C712 1 161 494 00 CERAMIC 0 022uF 25V C714 1 136 169 00 FILM 0 22uF 5 50V C715 1 136 169 00 FILM 0 22uF 5 50V lt CONNECTOR gt CN702 1 580 230 31 PIN CONNECTOR PC BOARD 2P CN704 1 568 226 11 PIN CONNECTOR 2P K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K MISCELLANEOUS KOK K K K K K K K K K K K ANT 1 575 651 21 CORD POWER ANT 1 696 586 11 CORD POWER UK ANT 1 696 845 11 CORD POWER Australian 59 1 696 456 11 WIRE FLAT TYPE 31 CORE 60 1 590 486 11 WIRE FLAT TYPE 7 CORE 103 1 769 914 11 WIRE FLAT TYPE 9 CORE 152 2004 673 DECK ONE ASSY HEAD including HRP901 161 1 638 983 11 MOTOR FLEXIBLE BOARD M901 3363 501 2 MOTOR ASSY REEL M902 3374 302 1 MOT
25. 11ES2 NTA2B 11ES2 NTA2B 11 52 2 11 52 2 11 52 2 11 52 2 11 52 2 HZS6A1L HZS9A2LTA HZS6B2LTA 155119 155119 HZS7C1LTA 155119 HZS2CLL HZS6A1L HZS6A1L IC CXA1563S IC CXA1579P IC M5218AP IC M5218AP IC M5218AP IC uPD4053BC IC M5218AP IC MC14052BCP IC SN74HCO4AN IC M5218AP IC M5218AP IC M5218AP IC LA6500 FA IC M5218AP Remark 50V 50V 50V Ref No 801 802 J501 LPF101 LPF201 Q101 Q102 Q103 Q121 Q122 Q201 Q202 Q203 Q221 Q222 Q503 Q511 Q512 Q521 Q531 Q532 Q551 Q572 Q573 Q601 Q701 Q702 Q704 Q705 Q707 Q708 Q805 R101 R102 R104 R105 R106 R107 R108 R110 R111 R112 R113 R114 R115 R116 R121 R122 45 Part No 8 752 856 27 8 759 165 82 1 784 430 11 1 233 271 11 1 233 271 11 8 729 900 89 8 729 900 80 8 729 900 80 8 729 922 37 8 729 119 78 8 729 900 89 8 729 900 80 8 729 900 80 8 729 922 37 8 729 119 78 8 729 422 57 8 729 119 78 8 729 900 74 8 729 900 80 8 729 422 57 8 729 900 80 8 729 119 76 8 729 422 57 8 729 900 65 8 729 801 93 8 729 141 83 8 729 209 15 8 729 141 83 8 729 119 78 8 729 119 76 8 729 140 04 8 729 119 76 247 838 00 247 843 11 249 417 11 249 420 11 247 887 00 cl 247 846 11 249 429 11 249 429 11 249 427 11 247 864 11 249 429 11 249 437 11 249 433 11 249 434 11 249 437 11
26. 14 R215 R216 R221 R222 R223 R224 R225 R231 R232 R233 R234 R235 R236 R241 R243 R244 R245 R251 R252 R253 R254 A R502 A R503 R505 H512 H513 R514 R515 R516 Part No 249 421 11 249 437 11 249 425 11 249 425 11 247 822 11 247 866 11 249 435 11 249 439 11 249 410 11 249 432 11 249 432 11 247 848 11 249 409 11 249 433 11 249 417 11 249 441 11 249 433 11 247 838 00 247 843 11 249 417 11 249 420 11 247 887 00 247 846 11 249 429 11 249 429 11 249 427 11 247 864 11 249 429 11 249 437 11 249 433 11 249 434 11 249 437 11 249 421 11 249 421 11 249 437 11 249 425 11 249 425 11 247 822 11 247 866 11 249 435 11 249 439 11 249 410 11 249 432 11 249 432 11 247 848 11 249 409 11 249 433 11 249 417 11 249 441 11 249 433 11 215 452 00 215 455 00 249 417 11 249 421 11 249 441 11 249 441 11 249 436 11 249 425 11 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CA
27. 2 C701 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C801 C805 C806 C807 C808 C809 44 Part No lI ee I ee 136 170 00 126 963 11 126 962 11 197 372 11 126 963 11 137 368 11 126 964 11 136 165 00 136 163 00 126 965 11 126 964 11 126 964 11 126 963 11 126 962 11 126 959 11 126 963 11 137 436 11 137 366 11 136 170 00 126 963 11 126 962 11 126 935 11 126 935 11 126 964 11 126 964 11 126 960 11 126 964 11 126 925 11 137 374 11 136 164 00 137 367 11 126 964 11 162 282 31 161 494 00 162 217 31 126 961 11 126 961 11 126 961 11 126 916 11 164 159 11 162 288 31 126 943 11 126 943 11 104 664 11 126 926 11 126 926 11 126 935 11 126 964 11 126 963 11 126 968 11 104 664 11 164 159 11 126 963 11 161 494 00 126 964 11 1 126 935 11 161 494 00 161 494 00 Description FILM ELECT FILM ELECT FILM ELECT FILM FILM ELECT ELECT ELECT ELECT ELECT ELECT ELECT FILM FILM FILM ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT FILM FILM FILM ELECT CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT ELECT CERAMIC CERAMIC ELECT ELECT
28. 5 GNO F 4 R CH REO 5 RELAY O 5v 7 BIRECTION MAIN BOARO ack 9 HXV OUT 0 BIASTYPE 21 RV81 T81 m G CONSUMPTION CURRENT D LEAF SW BOARD IC81 l gt NJL5165K B HD i PU IC81 o 4 5 2 SUPPLY REEL IO Of ROTATION BET CNP81 7P H TEST TERMINAL 68 MAIN BOARD 2 3 CN81 RV91 T9 23 CONSUMPTION CURRENT R 582 700 A 581 MECHANISM 2 V STOP 33k 05 r W w 7 0 TC KB820S 5 4 PRINTED WIRING BOARD MAIN Section See page 13 for Circuit Boards Location C Page 31 REC VOL BOARD CN904 F Page 15 AUDIO BOARO CNPZ1 D Page 15 AUDIO BOARB CNP33 E Page 32 HP BOARD 506 O Page 15 LEAF SW BOARD CNP81 Page 31 EL BOARO MAIN BOARB P Jus 95 Re N 2 C571 4 O 7 YA 7 DS TNS 61 lt umama m zi I TE GEN LEA GERE IE ODE IE A CER CS A RS TT UE PER JR admit jan ERNST JEM DIE VIENI UN DENN a ee es jaman CL UU L 2 EI Oc rh 3 L A D II 1 7 J I
29. 9 IK 5764 C3 1800p 7 0 022 8 0 22 5 9 Se TCL RECOUT C9 1 50V 30V 33 4 0 039 10k 9 R9 18k ETT 580 0 0 0 0022 p A 4 FBOH 12 0 0082 o MAIN BOARD 1 3 11 CN101 201 6 a 55642 0 0082 Page 21 TCSIL amp S C13 0 01 R14 C14 0 47 50V Sm 2 C15 0 22 RII 47 6 8 5505 616 0 01 7 54 E os 30 TC KB820S 5 10 PRINTED WIRING BOARDS PANEL Section See page 13 for Circuit Boards Location Page 19 MAIN BOARD PANEL BOARD Aon 9999 V 9 9 o G Page 20 MAIN BOARD CN504 1 n HP BOARD AC POWER SW BOARQ FA H BOARD CHASSIS CN506 A Page 19 TRANSFORMER lt C704 Page 32 1 668 447 32 BDARO TRANSFORMER BOARD CHASSIS MAIN BOARO CNE701 Page 19 0 5 11 SCHEMATIC DIAGRAM PANEL Section 1 2 3 4 PANEL BOARD IC901 1 560400 REMOTE CONTROL N E nM RECEIVER R906 1 8k R907 3 R908 6 33 3901 5902 AMS lt lt 5903 AMS PP 5904 REC 5906 gt 5907 PAUSE lli 5905 REC MUTING O 5909 RESET 5908 MEMORY 8205 6 7 6 9 10 11 RV901 RV902 10k710x 20 20 REC LEVEL BALANCE CN904 21 gP L CH IN 9 GNE EM
30. ACK PANEL 3 020 983 22 AEP Model OLI UK Model Australian Model 20 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK 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 MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 10 5 11 5 12 TABLE CONTENTS GENERAL uuu u uu u padas yn tin Poner eei s DISASSEMBLY MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS DIAGRAMS Note for Printed Wiring Boards and Schematic Diagrams ob Printed Wiring Boards MD Section Schematic Diagram MD Section Printed Wiring Board MAIN Section Schematic Diagram MAIN Section 1 3 Schematic Diagram MAIN Section 2 3 Schematic Diagram MAIN Section 3 3 Printed Wiring Board DOLBY S Section Schematic Diagram DOLBY S Section Printed Wiring Boards PANEL Section Schematic Diagram PANEL Section IC Pin Function Descripti
31. ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC ELECT CERAMIC ELECT ELECT CERAMIC CERAMIC 0 27uF 4 7uF 3 3uF 0 022uF 4 7uF 0 0047uF 10uF 0 1uF 0 068uF 22uF 10uF 10uF 4 7uF 3 3uF 0 47uF 4 7uF 0 0039uF 0 0022uF 0 27uF 4 7uF 3 0UF 470 470 10uF 10uF 10uF 470 0 047uF 0 082uF 0 0033uF 10uF 100PF 0 022 56PF 2 2uF 2 2uF 2 2uF 1000uF 0 1uF 330PF 2200uF 2200uF 47uF 1000uF 1000uF 470uF 10uF 4 7uF 100uF 47uF 0 1uF 4 7uF 0 022uF 10uF 470uF 0 022uF 0 022uF 5 20 20 5 20 5 20 5 5 20 20 20 20 20 20 20 5 5 5 20 20 20 20 20 20 20 20 20 5 5 5 20 10 5 20 20 20 20 10 20 20 20 20 20 20 20 20 20 20 20 20 20 Remark 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 16V 16V 50V 50V 50V 50V 10V 50V 50V 50V 50V 50V 25V 50V 50V 50V 50V 6 3V 50V 50V 25V 25V 25V 10V 10V 6 3V 50V 50V 50V 25V 50V 50V 25V 50V 6 3V 25V 25V Ref No C810 C811 C812 CN81 CN101 CN201 CN504 CN506 CN801 CNB31 CNB33 CNE701 CNE701 D131 D132 D231 D232 D511 D512 D513 D551 D701 D702 D703 D704 D705 D706 D707 D708 D709 D710 D711 D712 D713 D714 D715 D801 D802 501 502 503 504
32. Forward back CQ 102C tension 2 to 7 gecm 0 03 to 0 09 ozeinch 70 to 110 gecm FF REW oe 0 98 to 1 52 ozeinch SECTION 4 ELECTRICAL ADJUSTMENTS Note The adjustment should be performed in the order given in the ser vice manual As a rule adjustments about playback should be per formed before those about recording The adjustments should be performed before for both L CH and R CH Switches and controls should be set as follows unless otherwise specified DOLBY NR MPX FILTER switch OFF Standard Record Deliver the standard input signal level to the input jack and set the REC LEVEL control to obtain the standard output signal level Record Mode AF OSC level meter 10 k Q y attenuator LINE IN LINE OUT 0 dB 0 775 V Standard Input Level LINEIN 10 KQ input signal level 0 5 V 3 8 dB Standard Output Level LINE OUT load impedance 47 output signal level 0 5 V 3 8 Test Tape Type P 4 A100 10 kHz 10 dB Azimuth Adjustment 315 Hz 0 dB Playback Level Adjustment 3 kHz 0 dB Tape Speed Adjustment P 4 L300 WS 48B Test Mode 1 Insert a short circuit plug into TP801 2P and turn ON the power switch Earth pin V9 of IC801 and turn ON the power switch At first all the fluorescent tubes light up then the system re turns to normal display However 00 00 is not displayed on the counter 2 To release the test mode remove the short plug and
33. Hz PANEL BOARD Included MAIN BOARD COMPLETE 3 377 337 11 HOLDER FL CAPACITOR 1 104 665 11 ELECT 100uF 20 10V Ref No CN901 FL901 901 R902 R903 R904 R905 R906 R907 R908 R927 R928 S901 S902 S903 S904 S905 S906 S907 S908 S909 CN904 R921 R922 R923 R924 R925 Part No Description Remark lt CONNECTOR gt 1 568 845 11 SOCKET CONNECTOR 31P lt FILTER gt 1 517 374 11 INDICATOR TUBE FLUORESCENT lt C gt 8 749 014 66 NJL56H400 lt RESISTOR gt 1 247 848 11 CARBON 5 1K 5 1 4W 1 249 426 11 CARBON 5 6K 5 1 4W 1 249 429 11 CARBON 10K 5 1 4W 1 249 435 11 CARBON 33K 5 1 4W 1 249 420 11 CARBON 1 8K 5 1 4W 1 247 843 11 CARBON 3 3K 5 1 4W 1 249 426 11 CARBON 5 6K 5 1 4W 1 247 807 31 CARBON 100 5 1 4W 1 247 807 31 CARBON 100 5 1 4W lt SWITCH gt 1 572 184 11 SWITCH KEYBOARD W 1 572 184 11 SWITCH KEYBOARD AMS lt lt 1 572 184 11 SWITCH KEYBOARD AMS P 1 572 184 11 SWITCH KEYBOARD 1 572 184 11 SWITCH KEYBOARD O REC MUTING 1 572 184 11 SWITCH KEYBOARD D gt 1 572 184 11 SWITCH KEYBOARD III PAUSE 1 572 184 11 SWITCH KEYBOARD MEM ORY 1 572 184 11 SWITCH KEYBOARD RESET REC VOL BOARD ok ok ok ok ok ok ok ok ok ok ok ok Ok ok Included in MAIN BOARD COMPLETE lt CONNECTOR gt 1 568 828 11 SOCKET CONNECTOR 9P lt RESISTOR gt 1 249 430 11 CARBON 12K 5 1 4W 1 249 427
34. OR ASSY CAPSTAN A T901 1 427 751 11 TRANSFORMER POWER K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K KOK K K K K K K K K K K K K HARDWARE LIST KOK K lt K K K K K K K K K 1 7 685 646 79 SCREW BVTP 3X8 TYPE2 N S 2 7 685 885 09 SCREW BVTT 4X16 S 3 7 685 863 09 SCREW BVTT 2 6X8 S 4 7 685 134 19 SCREW PTPWH 2 6X8 TYPE2 5 7 685 862 09 SCREW BVTT 2 6X6 S 6 7 621 772 58 SCREW B 2X10 7 7 621 775 00 SCREW B 2 6X3 8 7 627 556 08 SCREW P 2 6X2 8 K K K K lt K K K lt K K K K lt gt lt gt lt gt lt gt K K K K K K K K K K K K K K K K K K K K K K K K K K K ACCESSORIES amp PACKING MATERIALS K K K lt gt K K K K K K K K K K K K K K K K K 1 776 263 11 CORD CONNECTION AUDIO 1 5m 3 861 966 11 MANUAL INSTRUCTIONS ENGLISH FRENCH SPANISH PORTUGUESE 3 861 966 21 MANUAL INSTRUCTIONS GERMAN DUTCH SWEDISH ITALIAN AEP The components identified by mark or dotted line with mark are critical for safety Replace only with part num ber specified Sony Corporation rinted Japan 9 922 817 11 Home A amp V Products Company Published by Quality Assurance Dept 48 Shibaura
35. PF 5 50V lt DIODE gt C22 1 136 157 00 0 0224 5 50V D31 8 719 404 46 DIODE MA110 C23 1 124 234 00 ELECT 22uF 209 16V C28 1 163 251 11 CERAMIC CHIP 100PF 5 50V lt C gt C31 1 124 234 00 ELECT 22uF 20 16V C32 1 124 234 00 ELECT 22uF 20 16V IC31 8 759 711 85 IC NJM4580E D IC81 8 759 106 56 IC uPC1297CA C33 1 124 234 00 ELECT 22uF 20 16V C51 1 164 182 11 CERAMIC CHIP 0 0033 10 50V COIL C52 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V 053 1 163 020 00 CERAMIC CHIP 0 00820 10 50V L81 1 410 780 11 INDUCTOR 27mH C54 1 136 601 11 FILM 0 01uF 5 630V L91 1 410 780 11 INDUCTOR 27mH C56 1 164 505 11 CERAMIC CHIP 2 2uF 16V TRANSISTOR 57 1 164 346 11 CERAMIC CHIP 1uF 16V C71 1 164 346 11 CERAMIC CHIP 1uF 16V Q51 8 729 822 05 TRANSISTOR 2SD1622 ST TD C80 1 124 234 00 ELECT 22uF 209 16V Q52 8 729 822 05 TRANSISTOR 2SD1622 ST TD C81 1 164 232 11 CERAMIC CHIP 0 01uF 50V Q53 8 729 822 05 TRANSISTOR 2SD1622 ST TD Q71 8 729 602 36 TRANSISTOR 2841602 C82 1 136 157 00 FILM 0 022uF 5 50V C83 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V RESISTOR C84 1 136 439 11 FILM 330PF 5 630V C85 1 136 433 11 FILM 100PF 5 630V R11 1 216 086 00 RES CHIP 36K 5 1 10W C86 1 163 143 00 CERAMIC CHIP 0 00120 5 50V R12 1 216 025 00 RES 100 5 1 10W R13 1 216 100 00 RES 130 5 1 10W C87 1 136 273 00 FILM 75PF 5 630V 4 1 216 068 00 METAL CHIP 6 2K 5 1 10W C88 1 163 003 11 CERAMIC CHIP 330PF 10 50V R21 1 216 086 00
36. RBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON METAL METAL CARBON CARBON CARBON CARBON CARBON CARBON 2 2K 47K 4 7K 4 7K 430 30K 33K 68K 270 18K 18K 5 1K 220 22K 1K 100K 22K 2K 3 3K 1K 1 8K 220K 4 3K 10K 10K 6 8K 24K 10K 47K 22K 27K 47K 2 2K 2 2 47K 4 7K 4 7K 430 30K 33K 68K 270 18K 18K 5 1K 220 22K 1K 100K 22K 20K 27K 1K 2 2K 100K 100K 39K 4 7K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 1 5 5 5 5 5 5 Remark No 1 4W R517 1 4W 1 4W R518 1 4W R521 R522 1 4W R523 1 4W R524 1 4W 1 4W R525 1 4W R526 R527 1 4W R528 1 4W R529 1 4W 1 4W R530 1 4W R531 R532 1 4W R535 1 4W R536 1 4W 1 4W R537 1 4W R538 R539 1 4W R540 1 4W R541 1 4W 1 4W R542 1 4W R543 R544 1 4W R553 1 4W R555 1 4W 1 4W R556 1 4W R557 R558 1 4W R559 1 4W R560 1 4W 1 4W R561 1 4W R562 R572 1 4W R573 1 4W R574 1 4W 1 4W R575 1 4W R576 R577 1 4W R578 1 4W R601 1 4W 1 4W R602 1 4W R603 R604 1 4W R605 1 4W R606 1 4W 1 4W R607 1 4W R608 R609 1 4W R701 1 4W F R702 1 4W F 1 4W R703 1 4W R704 R705 1 4W R706 1 4W R707 1 4W 1 4W R708 46
37. RD 7P lt C gt IC PHOTO REFLECTOR NJL5165K B H1 RESISTOR CARBON 560 5 1 4W CARBON 1 3K 5 1 4W CARBON 1K 5 1 4W CARBON 180 5 1 4W SWITCH SWITCH PUSH 1 KEY MECHANISM STOP SWITCH LEAF 70 SWITCH LEAF METAL SWITCH LEAF REC SWITCH LEAF HALF K K K K KK K K K K K K K K K C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 A 2007 779 A MAIN BOARD COMPLETE cl I cl 137 372 11 126 963 11 137 368 11 126 964 11 136 165 00 136 163 00 126 965 11 126 964 11 126 964 11 126 963 11 126 962 11 126 959 11 126 963 11 137 436 11 137 366 11 K K K K K K K K K K Including AC POWER SW BOARD HP BOARD PANEL BOARD REC VOL BOARD and TRANSFORMER BOARD lt CAPACITOR gt FILM 0 022uF 5 50V ELECT 4 7uF 20 50 FILM 0 0047uF 5 50V ELECT 10uF 20 50 FILM 0 1uF 5 50V FILM 0 068uF 5 50V ELECT 22uF 20 50 ELECT 10uF 20 50 ELECT 10uF 20 50 ELECT 4 7uF 20 50 ELECT 3 3uF 20 50 ELECT 0 470 20 50 ELECT 4 7uF 20 50 FILM 0 0039uF 5 50V FILM 0 0022uF 5 50V Ref No C116 C131 C132 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C231 C232 C301 C501 C502 C503 C504 C505 C506 C511 C512 C513 C521 C551 C552 C553 C554 C555 C571 C572 C601 C60
38. RID GRID GRID C OD V O NON UI NGON Ul O gt CO Ul CN N PANEL 9 CN901 Page 33 KEY X KEY Y 8205 The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified e Waveforms AUDIO BOARD e 118 Vp p 9 3 us 00510 Q52 26 4 Vp p 9 3 us T81 2 63 2 Vp p 9 3 us 191 2 64 8 Vp p 9 3 us IC81 6 4 Vp p 9 3 us IC81 2 SN 6 2 Vp p 9 3us MAIN BOARD 2 3 1C801 6 4 3 Vp p 6 MHz 27 Block Diagrams 1917 6 DOLBY S BOARD M IC502 CXA1579P MAIN BOARD GND BOOST i CONV Tn 28 5 8 PRINTED WIRING BOARD DOLBY S Section See page 13 for Circuit Boards Location DOLBY S BOARD SEM R12 MAIN BOARD CNI01 201 Page 20 29 8205 5 9 SCHEMATIC DIAGRAM DOLBY S Section See page 28 for IC Block Diagrams 1 2 3 4 5 6 A DOLBY S BOARD T 0 RI R2 0 1 27k C1 16k DOLBY NR 5 ld CXA1917AM T6 R R4 2 4k
39. TABLE ASSY B REEL CAP REEL WASHER TABLE ASSY REEL LEVER PINCH F ASSY HEAD MAGNETIC ERASE MOTOR ASSY REEL MOTOR ASSY CAPSTAN 5 MECHANISM DECK SECTION 2 TCM 190VB12CSS Ref No 201 202 204 205 206 207 Part No 3 359 469 01 X 3359 416 1 3 359 415 01 3 359 454 01 3 359 429 01 3 359 456 01 3366 569 1 Description Hemark SPACER CHASSIS ASSY MECHANICAL SLIDER TRIGGER SLIDER SPRING TORSION SLIDER BRAKE PLATE SPRING TRIGGER SPRING TORSION ARM ASSY FR Ref No 208 209 210 211 212 213 206 3 359 419 11 3 359 421 01 3 359 418 01 3 924 185 11 3 936 483 01 3 359 448 01 209 208 210 211 Description Hemark GEAR FR GEAR CLUTCH REEL DISK PULLEY FR PULLEY SPRING FR ARM TORSION GEAR CAM GEAR GEAR TRIGGER POWER SW NOTE Due to standardization replacements in the parts list may be different from the parts speci fied in the diagrams or the components used on the set SECTION 7 ELECTRICAL PARTS LIST Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when order ing these items The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified XX and X mean standardized parts so they SEMICONDUCTORS may have some difference from the origin
40. al In each case u u for example one uA pA MPA number please include the board RESISTORS uPB uPB uPC uPC All resistors are in ohms uPD uPD METAL Metal film resistor CAPACITORS METAL OXIDE Metal oxide film resistor uF uF F nonflammable e COILS uH uH Ref No Part No Description Remark Ref No Part No Description Remark AC POWER SW BOARD C89 1 124 234 00 ELECT 22uF 209 16V C90 1 107 584 11 CERAMIC 4PF 0 25PF 500V Included in MAIN BOARD COMPLETE C91 1 164 232 11 CERAMIC CHIP 0 01uF 50V CAPACITOR C92 1 136 157 00 FILM 0 022uF 5 50V C93 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V A C713 1 117 703 11 CERAMIC 0 0047uF 99 250V C94 1 136 439 11 FILM 330PF 5 630V C95 1 136 433 11 FILM 100PF 5 630V lt SWITCH gt C96 1 163 143 00 CERAMIC CHIP 0 0012uF 5 50V A 8930 1 762 581 11 SWITCH AC POWER PUSH 1 KEY 1 0 C97 1 136 273 00 FILM 5PF 5 630V C99 1 164 005 11 CERAMIC CHIP 0 47uF 25V 0 2007 780 AUDIO BOARD COMPLETE CAPACITOR CNP31 1 580 782 11 CONNECTOR BOARD TO BOARD CNP32 1 580 781 11 PIN CONNECTOR PC BOARD 7P C11 1 163 133 00 CERAMIC CHIP 470PF 5 50V CNP33 1 580 782 11 CONNECTOR BOARD TO BOARD C12 1 136 157 00 FILM 0 022uF 5 50V CNP71 1 564 719 11 PIN CONNECTOR SMALL TYPE 1 124 234 00 22uF 20 16V CNP72 1 764 902 11 CONNECTOR FFC FPC 4P C18 1 163 251 11 CERAMIC CHIP 100PF 5 50V C21 1 163 133 00 CERAMIC CHIP 470
41. in 77 POWER OUT O Power on off control signal output terminal L power Not used open m vo Powersupply termina SV 2 0 36 XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example KNOB BALANCE M 5 Parts Color Cabinet s Color SECTION 6 EXPLODED VIEWS tems marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference num ber in the exploded views are not supplied Hardware mark list and accessories and packing materials are given in the last of the The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified electrical parts list 1 CASE CHASSIS SECTION TRANSFORMER board including A 10 _ _ Australian FRONT PANEL supplied SECTION Ref No Part No Description Hemark Ref No Part No Description Hemark X 4949 523 1 FOOT ASSY F50180S A7 1 696 845 11 CORD POWER Australian 2 3 710 901 11 SCREW TAPPING 8 3 020 983 01 PANEL BACK 9 3 021 377 01 CASE 8 3 020 983 11 PANEL BACK UK 4 2007 481 DOLBY S BOARD COMPLETE Tug 3 020 983 22 PANEL BACK Australian
42. lohms S N ratio improvement approximate values Load impedance Over 10 kilohms With Dolby B NR on 5 dB at 1 kHz 10 dB at 5 kHz With Dolby C NR on 15 dB at 500 Hz 20 dB at 1 kHz Headphones stereo phone jack With Dolby S NR on 10 dB at 100 Hz 24 dB at 1 kHz Output level 22 at a load impedance of 32 ohms Harmonic distortion 0 4 with Type I tape Sony Type I NORMAL 160n Wb m 315 Hz 3rd H D 1 8 with Type IV tape Sony Type IV METAL Continued on next page B STEREO CASSETTE DECK General Power requirements Where purchased Power requirements U K and 220 230 V AC 50 60 2 Continental Europe Australia 240 V AC 50 60 Hz Power consumption 20 W Dimensions approx w h d 430 x 123 x 305 mm 17 x 47 8 12 s inches incl projecting parts and controls Mass approx 4 6 kg 10 lbs 3 oz Supplied accessories Audio connecting cords 2 Design and specifications are subject to change without notice Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat MODEL IDENTIFICATION B
43. on EXPLODED VIEWS ELECTRICAL PARTS LIST LOCATION CONTROLS SECTION 1 GENERAL I O Power button Remote control sensor PHONES jack 4 Display panel Tape operation buttons N le AMS 44 button button AMS PP button IE button II PAUSE button O REC MUTING button REC button Tape counter Counter buttons RESET button MEMORY button Cassette holder S EJECT button AUTO CAL button DOLBY NR switch BALANCE control REC LEVEL control SI El ke eo AMS 1s an abbreviation for Automatic Music Sensor SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given CASE Unscrew the four case attachment seven tapping screws and remove the case FRONT PANEL SECTION Q flat cable CN801 screw 2 connector BVTP3 x y CN506 I JN J Q flat cable 81 two earth lugs O connector 704 504 Q two connectors CNP31 33 Q four screws BVTP3 x 8 Q screw BVTP3 x 8 2 Q claw MD ASS Y SECTION O Remove the MD ass y section to direction of arrow two screws BVTT2 6 x 8 two claws cassette lid ass y 9 two claws Q push the eject button 5 Q two screws BVTP2 6 x 8 m MAIN BOARD two screws BVTP3 x 8 Q connector
44. ple value of Wow and Flutter 0 3 or less W RMS 115 WS 48B Playback Level Adjustment Procedure Mode playback test tape P 4 L300 level meter 315 Hz 0 dB set LINE OUT Adjust RV11 L CH and RV21 R CH so that the reading on level meter meets the adjustment limits below Adjustment Limits LINE OUT level 7 7 0 5 dB 0 301 to 0 338 V Level difference between channels within 0 5 dB Check that the LINE OUT level does not change even if Playback and Stop operation is repeated several times Adjustment Location AUDIO board See page 12 Bias Consumption Current Adjustment Procedure LINE IN no signal digital voltmeter CS 413 blank tape B 47 5 V 1 Set RV81 L CH and RV91 R CH to mechanical center and turn the set recording mode 2 Connect digital voltmeter as shown by the following table 3 Adjust the following transformers for the minimum readings on the digital voltmeter DEM Measurement Point Adjustment Part O and TP321 minimum and O TP321 Adjustment Location AUDIO board See page 12 Record Bias Adjustment Setting REC LEVEL control Standard Record See page 10 Procedure 1 Mode record LINE IN 315 Hz AF OSC 10 kHz 50 mV 23 8 dB 3 10ko blank tape Attenuator O II OOOI 0 0 O 7 6002 NI 2 Mode playback recorded portion LINE OUT 3 Adjust RV81 L CH and 91 R CH
45. turn off the power switch 3 Remove the short plug after completion of adjustment Record Playback Head Azimuth Adjustment Procedure 1 Mode FWD playback Test tape P 4 A100 10 kHz 10 08 level meter 47 LINE OUT 2 Turn the adjustment screw for the maximum output levels If these levels do not match turn the adjustment screw until both of output levels match together within 1 dB within i 1dB R CH x x k 1 Screw ps angle position L CH peak peak 3 Phase Check Mode playback test tape oscilloscope 10 kHz 10 dB Ee LINE OUT Screen pattern 0 C2 C inphase 45 90 135 180 Good Wrong 4 After the adjustment lock the screw with locking compound Adjustment Location Record Playback head Adjustment screw 10 Tape Speed Adjustment Procedure Mode playback test tape WS 48B 3 kHz 0 dB frequency counter 47k Q I LINE OUT 1 Setto FWD playback mode Adjust RV71 so that the frequency counter reading becomes 3 000 90 Hz 3 If the frequency counter reading does not become 3 000 90Hz Turn RV72 and back to Ist step again Note Turn RV72 to clockwise Tape speed becomes fast Turn RV72 to counter clockwise Tape speed becomes slow 4 Frequency difference between the beginning and the end of the tape should be within 1 Adjustment Location AUDIO board See page 12 Sam
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