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TC-WE475

1. i a 660 a n ASG 80 F 15 A 55555 86 ah ah a ah a 2 a YY yy YY YY Y Y NOW 454 Y Y c WC vy Y Y YYY Y Page 16 Page 16 Page 16 Page 18 Page 18 Page 18 Note Note The components identi es composants identifi s par fied by mark A dot une marque sont critiques ted line with mark pour s curit ore critical for safety Ne les remplacer que une Replace only with port pi ce portant le num ro sp ci number specified fie 17 17 TC WE475 6 6 SCHEMATIC DIAGRAM MAIN 4 4 SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 17 Page 17 Page 17 AAA A N ho N NM EE Vv Vv GY NV NV NV 5 TRG 7 0V GX S 22224 lt 7 2 R564 15k Page 16 REC 4 9 LEVEL Hotel C502 gt R SWITCH HEABPHONE P5 LES C me GNO 5 e e sss
2. 6 8K 5 1 4W 15 5 1 4W CARBON 47K 5 1 4W CARBON 1 2K 5 1 4W 1 8K 5 1 4W 2 K 5 1 4W 3 9 5 1 4W F 6 8K 5 1 4W 15 5 1 4W CARBON 1 2K 5 1 4W 1 8K 5 1 4W 2 K 5 1 4W 1 2 5 1 4W 1 8K 5 1 4W 2 K 5 1 4W 3 9 5 1 4W 1 2 5 1 4W 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 47K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 100K 5 1 4W lt VARIABLE RESISTOR gt RES VAR CARBON 20K RES VAR CARBON 10K lt SWITCH gt SWITCH AC POWER PUSH 1 KEY SWITCH KEYBOARD A DECK L1 SWITCH KEYBOARD A DECK 1 gt SWITCH KEYBOARD A DECK 41 SWITCH KEYBOARD DECK lt lt 1 AMS SWITCH KEYBOARD B DECK 1 gt 7 gt 5 SWITCH KEYBOARD B DECK REC SWITCH KEYBOARD B DECK L1 SWITCH KEYBOARD B DECK 11 SWITCH KEYBOARD B DECK 1 gt SWITCH KEYBOARD B DECK 41 SWITCH KEYBOARD B DECK O SWITCH KEYBOARD A DECK i 1 AMS SWITCH KEYBOARD A DECK 1 gt 7 gt AMS SWITCH KEYBOARD RESET A SWITCH KEYBOARD MEMORY A SWITCH KEYBOARD FADER SWITCH KEYBOARD ARL SWITCH KEYBOARD CD SYNCHRO SWITCH SLIDE DOLBY NR Ref No 5946 5947 5947 5951 5952 5960 Part No 1 771 349 21
3. fp 8901 5 162105 10 902 SELGZIDS THTU SYNCHRO AUTO 6 14 PRINTED WIRING BOARD PANEL SECTION See page 12 for Circuit Boards Location DIRECTION BOARD BOARD TO MAIN BOARD Page 14 E J502 MAIN BOARD Page 14 4 B 11 2110 O DES O an 1 680 614 1 1 2 8 4 HEAD RELAY REC PB BOARD ITHE AD RELAY PB BOARD TO ERASE HEAD be ag TO TO HP901 REC PLAY HE AD PB HEAD TO MAIN BOAR TO MAIN Page 14 Page 14 7 23 23 TC WE475 RECVOL BOARS i TO MAIN BOARD Page 14 DE 11 2110 d 550 514 11 21 TC WE475 6 15 SCHEMATIC DIAGRAM POWER SECTION 1 2 3 4 D 6 1 8 9 10 11 E CEPI E a a E E POWER BOARD n ov e 001 10000 sors rer EN 004 2 e CHASSIS C O A POWER BOARD m 7 UNES TRANSFORMER TRANSFORMER JN POWER EXCEPT AUS 27 1 eos 0002 271 16000 E T Ro MEM son D AUS 120V 220V 100V 5902 TO MAIN 3 4 ___ BOARO
4. lt gt IRIE B size_t CY IR REH BLULK gt LPF201 5 R118 806 np R206 lt lt 15 220 8 3k le S AST S 18 ASE WHT ES 258 zu 7 ni 8 5 45 B D gt lt e lt R216 hd 3 3k 8 7 7 49 TO R218 BOARO 2 220 ues 7 Page 22 15 1C502 1 2 5 5218 8 5 M ACTIVE Page 16 C102 R101 2 2 F 10k 50V t L C101 og T fab 0 0 8 ie 09 A l t3 Gi a R201 202 k 050 0102 102 56 G 8780 MUTE LINE e m IN 75 m io n EDS gt 10 NS Ee ue 1 l LPF101 dodo 28 58 mt joo m LCH BLOCK e N LEVEL 9 2 0101 L KES es BICI43TSA R108 oz 5 SWITCH b Bk 06 0104 DTCI44E SA SWITCH P NE 0 J I C501 I C561 NR REC VoL 522 R363 5 0 1656 C551 542 0 18 0 01 7 2 M 9 1 K 3 2 lt 9 3 Page lt gt 16 L 18 18 TC WE475 6 7 PRINTED WIRING BOARD DECK A SECTION 6 9 PRINTED WIRING BOARD DECK B SECTION See page 12 for Circuit Boards Location See page 12 for Circuit Boards Location Page 14 Page 14 TO MAIN BOARD LEAF SW PB BOARD LEAF SW REC PB BOARD D TO MAIN BOARD
5. R1002 1 249 409 11 CN1003 1 564 722 11 PIN CONNECTOR SMALL TYPE 6P R1003 1 249 414 11 1004 1 247 834 11 R1005 1 247 818 91 A 4476 814 A LEAF SW PB BOARD COMPLETE K KK K KK K KK K KK K KK K K lt CONNECTOR gt S1002 1 570 953 11 51005 1 771 205 11 CN1001 1 568 444 11 SOCKET CONNECTOR 13P 1006 1 771 333 11 51007 1 771 205 11 DIODE 1008 1 771 205 11 D1001 8 719 991 33 DIODE 155133 77 1009 1 771 205 11 lt IC gt A 2007 860 A 101002 8 719 991 33 IC PHOTO INTERRUPTER SG 264 A 2007 862 A RESISTOR R1002 1 249 409 11 CARBON 220 5 1 4W C101 1 162 284 31 SWITCH C102 1 126 961 11 C103 1 162 600 11 51002 1 570 953 11 SWITCH PUSH 1 KEY PLAY SW C104 1 126 963 11 51006 1 771 333 11 SWITCH LEAF HALF C105 1 162 302 11 91008 1 771 205 11 SWITCH LEAF 120 70 KK KKK OK ok OK ok KK OK OK OK OK OK OK Ok OK Kk C106 1 126 963 11 C107 1 126 964 11 A 4476 816 A LEAF SW REC PB BOARD COMPLETE C108 1 130 495 00 ok ok KK K ok ok K KK K OK ok Kk OK OK C109 1 137 375 11 C110 1 126 964 11 CONNECTOR C111 1 126 959 11 CN1001 1 568 444 11 SOCKET CONNECTOR 13P C112 1 126 963 11 32 MAIN BOARD COMPLETE US CND SP AUS MAIN BOARD COMPLETE AEP UK K KK K K K K K K K lt CAPACITOR gt CERAMIC 150PF 10 00 50V ELECT 2 2UF 20 00 50V CERAMIC 0 0047uF 30 00 16V ELECT 4 7uF 20 00 50V CERAMIC 0 0022uF 20 00 16V ELECT 4 7uF 20 00 50V E
6. 144 5 4 HIGH SPEEB BECK R318 5 6k NORMAL SPEEU DECK A PITCH CONTROL ECK A 9506 155119 25 AW 0508 950 SN 14 E 3 2 553 65 2 3 8 lt 3 9 lt 3 10 5 11 2 1 17 2 16 2 2 gt J TC WE475 TC WE475 6 4 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 14 for Printed Wiring Board J K 11 12 13 A AKAAKAAAAAAA 5 gt aO 9 M in or XY LR AAM in M M V M Eo MS D LM LM woo YY 5 gt _ _ zu LEVEL MA BOARD 2 4 PB LEVE 1421 2 2 2 NJM458088 euo 7 0 8 ec TOS C124 HE C421 1C421 M Ex g 5 aay PRZ 25 PB
7. SELECTOR Page 17 0o qo 2777777 TRANS BOARD BE m NOT REPLACEABLE TRANS B BOARD BUILT IN TRANSFORMER SSS SSS a a ee Note Note he components identi 6 composants identifi s par fied Dy mark dot une marque sont critiques ted line with mark pour la s curit are critical for safety Ne les remplacer que par une Replace only with part pi ce portant numero sp ci number specified fie 24 24 TC WE475 6 16 PRINTED WIRING BOARD POWER SECTION See page 12 for Circuit Boards Location 2 TD POWER TRANSFORMER 6 5902 SELECTOR VOLTAGE H V E ZA 5 MTD 120V j 240V 220V M ME NR y m m n Ss _SsS m j pn n MM 4 3 cnr 998000 1 TRANS BOARD TRANSFORMER NOT REPLACEBLE BUILT IN TRANSFORMER TC WE475 6 17 IC PIN FUNCTION e 1C801 SYSTEM CONTROL CXP82220 052Q MAIN board PLAYSW B Play switch input DECK B 3 o few METAL B METAL input
8. pl EL pm pm Em P Oo 00 30 20 10 4 Dd 0 14 8 123456 7 8 9 10 11 12 13 14 05 vo NN Z SSL 100 lt gt a Jt ON 10V GND PA 5918 5917 5916 5914 5913 5911 B BECK BECK D Do REC MUTING AMS 8926 AMS 4925 8924 8925 4922 R92 K 4 9k K 2 Lh i nh a a Dh aj D GND 5927 5926 5925 5924 5925 5922 5921 BECK BECK KEYS R922 R931 1 8k 1 2 R933 F 2 7 5936 x v BOLBY NR MEMORY RESET OFF ON MPX V J DUBBING B HIGH NORMAL START BECK B 11 5946 R951 1 2K 0901 143 5 DRIVER 9905 9906 1991 19 75 155119 25 BISPLAY CONTROL 1C902 M35500BGP R960 10k AW A sesi 5952 MEMORY wv B BECK RESET J 9904 19591197253 GND 5V GND lt SIRCS KES rz IU Mca S IN QUT S OUT BATA IN 20 20 FLCLK VEE lt F22 lt F1 gt 099960099 90 TO MAIN 5 4 BOARB Page 17 TC WE475 6 12 PRINTED WIRING BOARD DISPLAY SECTION e See page 12 for Circuit Boards L
9. LINE IN no signal 1 Connect the digital voltmeter to test point TP441 2 Set 141 L CH RV241 to mechanical center 3 Press the I button to playback 4 Adjust T141 L CH T241 R CH so that the digital voltmeter reading becomes minimum Adjustment Value Maximum 220 mV Adjustment Location MAIN board See page 14 Record Bias Adjustment DECK B Setting REC LEVEL knob standard record position See page 11 Procedure Setto test mode See page 11 2 Insert a tape into deck B press the button and then press the button to start recording 3 Record Mode AF OSC blank tape 10 CS 123 attenuator lo jl gae 2424 600 Q LINE IN 1 315 H 50 mV 23 8 dBs 4 Playback Mode recorded portion level meter LINE OUT 5 Confirm playback the signal recorded in step 2 become adjust ment level as follows If the selevels do not adjustment level adjust the RV141 L CH and RV241 R CH to repeat steps 3 and 4 Adjustment level The palyback output of 10 kHz level difference against 315 Hz ref erence should be 0 5 dB Adjustment Location MAIN board See page 14 10 Record Level Adjustment DECK B Setting REC LEVEL knob standard record position See page 11 Procedure Set to test mode See page 11 2 Insert a tspe into deck B press the REC button and then press gt button to
10. 0801 9 BECK 0401 402 411 412 414 0501 5035 511 312 314 19 CAPSTAN MOTOR BRIVE CAPSTAN MOTOR 8RIVE SWITCH lt 9 1 gt BECK B BECK A 9 25 9 3 lt 9 4 gt 16 16 Note The components identi fied by mark or dot ted line with mark are critical for safety Replace only with part number specified Note 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 ci fib Page 18 9 Page 18 TC WE475 6 5 SCHEMATIC DIAGRAM MAIN 3 4 SECTION See page 13 for Waveforms See page 14 for Printed Wiring Board See page 26 for IC Pin Functions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 22 22 20 TO BIRECTION TO RECVOL BOARD BOARD TO PANEL BOARD a 5 9 x Ead NZ Z lt 5 Oc I rr e HU co N O M ov Sot ae cn n n 4 SMK S ans j n ennL 1030507 9 67506 50509 59
11. 1 762 609 11 1 762 609 21 1 771 349 21 1 771 349 21 1 554 118 00 TC WE475 Description Remark SWITCH KEYBOARD HIGH NORM SWITCH SLIDE DIRECTION US CND AEP UK SP AUS SWITCH SLIDE DIRECTION AEP SWITCH KEYBOARD RESET B SWITCH KEYBOARD MEMORY B SWITCH PUSH 1 KEY PITCH CONTROL K K K K KK K K K K K 51 52 53 53 53 53 53 162 T901 T901 T901 1 696 656 11 1 769 976 11 1 575 651 21 1 751 535 11 1 777 107 11 1 777 218 11 1 783 531 51 1 769 950 11 1 431 786 12 1 431 788 12 1 431 789 12 MISCELLANEOUS WIRE FLAT TYPE WIRE FLAT TYPE CORD POWER SP CORD POWER UK CORD POWER AEP 13 CORE 13 CORE M M CORD POWER AUS CORD POWER US CND WIRE FLAT TYPE 11 CORE TRANSFORMER POWER AEP UK AUS TRANSFORMER POWER US CND TRANSFORMER POWER SP PLUNGER SOLENOID is supplied as the Mechanism Deck TCM 230ASR41A A 2100 941 A and TCM 230ASR41B 2100 942 K K K K KK K K K K KK K K K K ACCESSORIES amp PACKING MATERIALS K K K K K K K K KK K K K K K K K 1 776 263 51 1 771 241 11 4 232 596 11 4 232 596 21 4 232 596 31 CORD CONNECTION CORD CONNECTION CONTROL A1II CABLE CND MANUAL INSTRUCTION ENGLISH MANUAL INSTRUCTION FRENCH SPANISH CND AEP SP MANUAL INSTRUCTION GERMAN DUTCH SWEDISH ITALIAN P
12. 7 gt T 41 4x Sere aa ERU H TO REC PB BOARD 19 iis B PB Page 23 76819 2 5 4 5 6 J 10 11 12 15 14 14 21 TO PANEL BOARB Page 23 TO HEAB RELAY PB 0 BERECTION BOARB Page 23 13 81 6 3 SCHEMATIC DIAGRAM MAIN 1 4 SECTION 1 L PB lt B PBGND TO HEAD RELAY PB BOARD _ 22 D E F CAPM 2 CAPM 3 CAPM A CAPM B TRG GNB TRG B GNB 5 sel HALF H PB BOARD 755759 Page 19 PLAY SW A METAL 2 MAIN BOARD 1 4 LAESA Er 5 1 4 5 1 83 D318 155119 25 B 10521 1 2 C126 NJM45808D CN301 ee 4P S BECK L LL 7 4 12 T 9 R214 C227 2k 0 022 TF R212 S T gt E M Ry21 1 PB 7 0V o e R213 ual E 120 C228 1027 mE PB GND 02 4 cay d PB 7 0V C226 0 52 4 LEVEL foot 043 1 DECK 10521 2 2 2045805 2 0506 507 516 317 0508 518 HIGH NORMAL RITCH CONTROL SPEEB CONTROL SWITCH 5 1 5 1 Q317 5 0516
13. D902 8 719 313 43 DIODE SEL6210S TH10 AUTO RV101 1 241 765 11 RES ADJ CARBON 22K D904 8 719 911 19 DIODE 155133 RV111 1 241 764 11 RES ADJ CARBON 10K D905 8 719 911 19 DIODE 155133 RV121 1 241 764 11 RES ADJ CARBON 10K D906 8 719 911 19 DIODE 155133 RV141 1 241 765 11 RES ADJ CARBON 22K RV201 1 241 765 11 RES ADJ CARBON 20K D907 8 719 911 19 DIODE 155133 D908 8 719 911 19 DIODE 155133 RV211 1 241 764 11 RES ADJ CARBON 10K RV221 1 241 764 11 RES ADJ CARBON 10K lt FLUORESCENT gt RV241 1 241 765 11 RES ADJ CARBON 22K RV316 1 241 764 11 RES ADJ CARBON 10K FLT901 1 770 247 11 INDICATOR TUBE FLUORESCENT RV317 1 241 765 11 RES ADJ CARBON 22K lt 16 gt RV318 1 241 764 11 RES ADJ CARBON 10K RV416 1 241 764 11 RES ADJ CARBON 10K 10901 8 759 827 70 IC NJL64H400A 1 RV417 1 241 765 11 RES ADJ CARBON 22K 1 902 8 759 547 59 IC M35500BGP RELAY JACK RY451 1 755 061 11 RELAY J502 1 568 519 41 JACK LARGE TYPE TRANSFORMER TRANSISTOR T141 1 433 381 11 TRANSFORMER BIAS OSCILLATOR 0901 8 29 029 94 TRANSISTOR DTC143TSA T241 1 433 381 11 TRANSFORMER BIAS OSCILLATOR 1441 1 429 222 11 TRANSFORMER BIAS OSCILLATION RESISTOR TEST PIN R901 1 249 413 11 CARBON 470 5 1 4W R902 1 249 413 11 CARBON 470 5 1 4W F TP441 1 766 276 11 PIN CONNECTOR PC BOARD 3P R904 1 247 807 31 CARBON 100 5 1 4W The components identified by mark or dotted line with mark are critical for safety
14. DECK B SIRCS IN Sircs signal input POWER IN Power hold input A B SEL Playback selector input L A B 8 CONTROL A IN Control A signal input NE CONTROL A OUT Control A signal output FL CLK FL CLK control input FL DATA IN Display control input FL DATA OUT Display control output M fee 15 REC PB Record playback dolby NR mode selector output L Playback 16to 23 NC Not used 24 REC MUTE B Recording mute output DECK B Not used Dolby selector B Dolby off REC EQ high normal selector output L Dolby Audio selector Pass Open Mute L Recording AMS amp selector BS Open AMS L OFF Relay swich input DECK B Not used Meter L CH input Meter R CH input Half swich input DECK B Capstan motor rotation detection input DECK B 26 C B OFF 27 REC EQ H N 28 PASS MUTE DOLBY 29 BS AMS OFF 30 RELAY B I 95 03 2 32 33 34 35 36 37 38 39 40 METER 1 METER R HALF B SHUT B SHUT A HALF A RESET EXTAL XTAL VSS I I I I Capstan motor rotation detection input DECK A Half swich input DECK A System reset input I I System clock oscillator output 10 MHz I System clock oscillator input 10 MHz Ground VOL IN DIR MODE IN AVREF AV SS AR LED CD SYNC LED CAP M2 B CAP
15. DETENT CASSETTE 29 TC WE475 7 4 FRONT PANEL SECTION AA to AG are including into the mounted PANEL board Ref No 160 AA PANEL board AC DIRECTION board AD H P board AF POWER board AG RECVOL board Ref No 151 151 152 152 153 153 154 156 30 Part No X 4953 498 1 X 4953 499 1 X 4953 502 1 4 232 409 01 4 232 409 11 4 232 410 01 4 232 410 11 4 951 620 01 4 978 398 21 4 231 973 01 Description Remark PANEL US ASSY FRONT US CND PANEL EU ASSY FRONT AEP UK SP AUS PANEL EU ASSY FRONT SILVER AEP KNOB DIA 21 US CND AEP UK SP AUS KNOB DIA 21 SILVER AEP KNOB SLIDE US CND AEP UK SP AUS KNOB SLIDE SILVER AEP SCREW 2 6X8 BVTP CUSHION BUTTON POWER US CND AEP UK SPAUS Ref No 156 157 157 158 159 160 160 160 160 160 Part No 4 231 973 11 4 232 412 01 4 232 412 11 3 931 378 01 3 931 378 21 1 769 950 11 A 2007 861 A A 2007 863 A A 2007 864 A A 2007 865 A 2007 872 159 154 160 Including A A to A Description Remark BUTTON POWER SILVER AEP BUTTON DIA 3 5 US CND AEP UK SP AUS BUTTON DIA 3 5 SILVER AEP KNOB F10 US CND AEP UK SP AUS KNOB F10 SILVER AEP WIRE FLAT TYPE 11 CORE PANEL MOUNTED PC BOARD PANEL MOUNTED PC BOARD PANEL MOUNTED PC BOARD PANEL MOUNTED PC BOARD US CND AEP UK SP SILVER AEP PANEL MOUNTED PC BOAR
16. 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 cifi Replace only with part number specified 36 Ref No R905 R906 R911 R912 R913 R914 R915 R916 R917 R921 R922 R923 R924 R925 R926 R931 R932 R933 R934 R935 R936 R937 R951 R955 R956 R957 R958 R960 R961 R962 RV901 RV902 5850 5911 5913 5914 5916 5917 5918 5921 5922 5923 5924 5925 5926 5927 5931 5932 5933 5934 5935 5936 1 249 441 11 1 247 807 31 1 249 418 11 1 249 420 11 1 249 422 11 1 249 424 11 1 249 427 11 1 249 431 11 1 249 437 11 1 249 418 11 1 249 420 11 1 249 422 11 1 249 424 11 1 249 427 11 1 249 431 11 1 249 418 11 1 249 420 11 1 249 422 11 1 249 418 11 1 249 420 11 1 249 422 11 1 249 424 11 1 249 418 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 437 11 1 249 429 11 1 249 429 11 1 249 441 11 1 225 707 11 1 225 619 11 1 62 581 11 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 771 349 21 1 786 127 11 Description Remark CARBON 100K 5 1 4W CARBON 100 5 1 4W CARBON 1 2K 5 1 4W 1 8K 5 1 4W 2 K 5 1 4W 3 9 5 1 4W
17. M4 B CAP M3 B CAP MI B NC CAP M2 A CAP MI A 44 45 46 47 48 49 50 5 52 53 54 to 57 58 59 mA Auto rec level control input mA Key input Connected to power supply Ground AUTO LED driver ON SYNCHRO LED driver L ON Capstan motor driver DECK B Not used Capstan motor driver DECK A 26 me _ 67 O Capstan motor high normal selector output L ON 68 PITCHON OFF O Pitch control ON OFF output 71 LINEMUTE O Line mute ON OFF control output Capstan motor driver DECK A 93 BIAS B Bias ON OFF output DECK PITCH CON SW EN Pitch control ON OFF control output L ON AMS IN AMS amp selector 96 TRG B EE Trigger control output DECK B TRG A ool Trigger control output DECK A 99 PLAYSW A Play swich input DECK A 26 NOTE 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 number in the exploded views are not supplied Color Indication of Appearance Parts Example KNOB BALANCE Em ue P Parts Color Cabinet s Color 7 1 CASE SECTION Ref No Part No Description 1 4 232 514 01 PANEL BACK US 1 4 232 514 11 PANEL BACK 1 4 232 514 21 PANEL BACK AEP 1 4 232 514 31 PANEL BACK UK 1 4 232 514 41 PANEL BACK SP 1 4 232 514 51 PANEL
18. gt MN DIRECTION board A C DT lt NT e LY HEAD RELAY PB board Deck pz gt PANEL board SIT gt RECVOL board G LEAF SW REC PB board p Deck B H P board A D HEAD RELAY REC PB board Deck B AA to AG are including into the mounted PANEL board 12 TC WE475 WAVEFORMS MAIN SECTION 3 4 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block For schematic diagrams Note All capacitors are in uF unless otherwise noted pF upF 50 WV or less are not indicated except for electrolytics 801 69 EXTAL and tantalums All resistors are in Q and 4W or less unless otherwise specified indicates tolerance internal component Twv fusible resistor panel designation Note Note The components identi Les composants identifi s par fied by mark or dotted une marque sont critiques line with mark are criti pour la s curit cal for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro number specified sp cifi B Line B Line adjustment for repair Voltage is dc with respect to ground under no signal detuned condition no mark STOP REC gt PB Can not be measured Voltages are taken with a Input impedance 10 Voltage variations may be noted due to normal produc tion toler
19. AMP 7 1 gt fo gt Le L E PX C123 PB GNBIO 0 022 MI 38 ur 5 0 022 TF ST a lt R PB E _ 552 R REC cae TO HEAD RELAY REC PB E GN E BIAS 7 0V BOARD jo 0451 5 FEN 8 1 gt 2541175 7 22 LE HOT D 1S9 3 25 RELAY BRIVE Ls gt lt 8 2 gt E gt 20 5 gt ES lt lt B REC L gt lt lt lt 8 5 gt T241 lt lt lt B REC R gt lt lt lt 8 6 E GND d E 0 TRG 7 0V 8 7 CURRENT R REC BIAS A uu LY ug R ass BET COMP Dey lt 8 8 0506 87014215 R441 R442 SWITCH 10k 10k CES 2 2 amp 7 1 0442 6 7 T44 25945 442 4h 105KHZ 27 R445 Mea 1C431 Te BIAS 05 SS DOLBY HX PRO 5 fap I 4d e Ts eru 27 7g e 0445 250045 4020039 5 1 82k AM 624 t R443 56 1 s ini 5 6 01 e En 0403 e 47 ort roses PET m 5 5 14 81614455 SU Si T lt 0 47 5 6 X 0 Y NORMAL SPEED Y R30 Al 1 806 C806 CONTROL 2581287 oy a fol 1 0417 5 BIAS SWITCH 144 5 A2 CAPM CAPM O CAPM A Mo CAPM B O TRG GNA VO TRG mu o 25187 mus 5V 1 5 TO LEAF sl SAUT REC PB aav sull OPEN Var PLAY SW O HIGH NORMAL METAL 04 SPEED SPEED Pa a
20. RESISTORS resistors are in ohms METAL Metal film resistor METAL OXIDE Metal Oxide film resistor F nonflammable SEMICONDUCTORS In each case u for example uA UPA PA uPB PB uPC PC uPD PD CAPACITORS uF uF COILS Abbreviation CND Canadian model SP Singapore model AUS Australian model The components identified by mark or dotted line with mark are critical for safety Replace 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 cifi When indicating parts by reference number please include the board name Description Remark lt DIODE gt DIODE 155133 77 lt gt IC PHOTO INTERRUPTER SG 264 RESISTOR CARBON 220 5 1 4W CARBON 560 5 1 4W F CARBON 1 3K 5 1 4W CARBON 300 5 1 4W lt SWITCH gt SWITCH PUSH 1 KEY PLAY SW SWITCH LEAF REC A SIDE SWITCH LEAF HALF SWITCH LEAF B METAL SWITCH LEAF 120 70 SWITCH LEAF REC B SIDE KK K KKK K K K K K Ref No Part No Description Remark Ref No Part No 1 676 220 11 HEAD RELAY PB BOARD 01001 8 719 991 33 CONNECTOR gt CN1002 1 564 719 11 PIN CONNECTOR SMALL TYPE 3P 101002 8 719 991 33 1 676 221 11 HEAD RELAY REC PB BOARD
21. button to playback at normal speed 8 Adjust RV317 DECK A RV417 DECK B so that the fre quency counter reading becomes 3 000 90 Hz Pitch control adjustment DECK A 9 Press the button to set to 10 Set knob to mechanical center 11 Press the button to playback 12 Adjust RV318 so that the frequency counter reading becomes 2 990 90 Hz und Adjustment Location MAIN board See page 14 Sample value of wow and flutter W RMS JIS less than 0 396 test tape WS 48B Playback Level Adjustment DECK A DECK B Procedure Forward Playback Mode test tape P 4 L300 level meter 315 Hz 0 dB 47 set il LINE OUT Adjust DECK A RV111 L CH RV211 R CH and DECK B RV121 L CH RV221 R CH so the level meter read ing becomes the adjustment limits below Adjustment Value LINE OUT level 7 7 dBs 0 5 dB 0 301 to 0 338 V Level difference between channels within 0 5 dB Confirm that the LINE OUT level does not change in playback mode while changing the mode from playback to stop several times Adjustment Location MAIN board See page 14 TC WE475 Bias Consumption Current Adjustment DECK B This adjustment should be performed when replacing the head assy or the bias oscillator transformer T141 T241 Setting REC LEVEL knob standard recording position See page 11 Procedure digital blank tape voltmeter CS 413 set o O
22. gt PLUNGER SOLENOID is supplied as the Mechanism Deck PLUNGER SOLENOID is supplied as the Mechanism Deck TCM 230ASR41A A 2100 941 A TCM 230ASR41B A 2100 942 A 6 8 SCHEMATIC DIAGRAM DECK A SECTION 6 10 SCHEMATIC DIAGRAM DECK B SECTION LEAF SW REC PB BOARD 1001 TRIGGER 1002 I ROTATION Ox DET E 4 1001 CAPM CAPM 220 1C1002 zer m Q B METAL Paae 16 V su 5V S1007 sue m LLL ROTATION 2 _ 1002 50 204 CAPM TRG GND CAPM TRG D GND CAPM A 1005 D 5V REC ASIDE A TRG GND SHUT HALF TO S1006 O D GND 1 4 mor V o _ 120 70 MAIN BOARD z SHUT A METAL Page 15 D 1009 O AMA HALF TO Pub REC BSIDE V __ _______ BS D 8120770 MAIN BOARD C PLAY SW 51008 S 002 l 19 19 TC WE475 6 11 SCHEMATIC DIAGRAM DISPLAY SECTION 1 901 SIRCS RECE I VER 1C901 1 2 NJL56H400 8 759 459 84 Db AMS R917 916 1 47k 15k L4 LI Eb bop raro lt E L4 Eo LJ IT LI REC CAL REC M LJ LANLI LJ HIGH NORM dB FRONT L RMS FLT901 K FLUORESCENT AMS INDICATOR TUBE R915 R914 R913 R912 R911 6 8K 3 9k 2 7K 1 8K 1 2K KEY 5 BACK R
23. level meter Meter reading E attenuator 10 30 to 65 E 0 42 to 0 90 oz inch o o I E DECK 1106 5 San Forward 0 014 to 0 083 oz inch back 102 LINE LINE OUT tension DECK 2109 5 0 028 to 0 125 oz inch Standard Input Level R CO 102RC 30 to 65 g cm Q 0 42 to 0 90 oz inch Input terminal LINE IN back CQ 102RC CD Q 0 014 to 0 083 oz inch input signal level 0 5 V 3 8 dBs ension 70 to 120 g ndar Level FF REW CQ 201B 0 97 to 1 67 oz inch Standard Output Leve Input terminal LINE IN input signal level 0 5 V 3 8 dBs Test Tape P 4 A100 10 kHz 10 dB Azimuth Adjustment WS 48B 3 kHz 0 dB Tape Speed Adjustment P 4 L300 315 Hz 0 dB PB Level Adjustment 0 0 775 Test Mode 1 While pressing the and buttons with the power off press the button to turn on the power The fluorescent display tube lights up for about one sec ond and the test mode is set The test mode performs the fol lowing two special functions Playback speed switching function Pressing the button switches the playback speed between standard double speed Counter RESET amp MEMORY function Resets the counter when recording starts When rewound with the button after recording stops at the point where recording started 2 To release the test mode turn OFF the power switch Record Playback Hea
24. 1 J602 L141 L241 LPF101 LPF201 Q101 Q102 Q104 Q201 Q202 Q204 Q302 Q303 Q306 Q307 Q308 Q311 Q312 Q312 Q314 34 Part No 8 19 024 99 8 19 024 99 8 19 024 99 8 19 911 19 8 719 911 19 8 719 024 99 8 19 911 18 8 719 933 33 8 719 933 35 8 719 933 33 8 719 933 35 8 719 911 19 8 719 911 19 8 719 911 19 8 19 985 95 8 19 911 19 9 759 710 59 8 759 710 59 8 59 106 56 0 920927 8 59 694 61 8 59 694 61 8 59 634 51 9 752 802 29 8 59 165 82 8 59 000 48 1 770 614 12 1 764 188 11 1 764 188 11 1 410 780 11 1 410 780 11 1 233 271 11 1 233 271 11 8 29 029 94 8 29 142 25 8 29 030 02 8 29 029 94 8 29 142 25 8 29 030 02 8 29 801 93 8 29 030 02 8 29 030 02 8 29 030 02 8 29 030 02 8 29 801 84 8 29 144 44 8 29 801 93 8 29 030 02 Description DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE Remark 11ES2 NTA2B 11ES2 NTA2B 11ES2 NTA2B 155133 155133 11 52 2 155133 HZS6A1L HZS6A3L HZS6A1L HZS6A3L 155133 155133 155133 HZS7A2LTA 155133 lt IC gt IC IC IC IC IC NJM4580D D NJM4580D D uPC1297CA 18780 M5218AL M5218AL NJM4558D CXP82220 052Q PST600E T MC14052BCP lt JACK gt JACK PIN 4P JACK SMALL TYPE DIA 3 5 JACK SMALL TYPE DIA 3 5 lt COIL gt INDUCTOR 27MH INDUCTOR 27MH lt FILTER gt FILTER LOW PASS FI
25. 1 4W R509 1 249 417 11 CARBON 1K 5 1 4W R229 1 249 421 11 CARBON 2 2K 5 1 4W R230 1 249 434 11 CARBON 2 K 5 1 4W R510 1 249 437 11 CARBON 47K 5 1 4W R241 1 249 430 11 CARBON 12K 5 1 4W R511 1 249 429 11 CARBON 10K 5 1 4W R512 1 249 413 11 CARBON 470 5 1 4W F R242 1 247 883 00 CARBON 150K 5 1 4W R513 1 249 437 11 CARBON 47K 5 1 4W A R243 1 219 153 11 FUSIBLE 10 5 1 4W R514 1 249 401 11 CARBON 47 5 1 4W R244 1 249 435 11 CARBON 33K 5 1 4W R245 1 249 429 11 CARBON 15K 5 1 4W R561 1 249 437 11 CARBON 47K 5 1 4W R251 1 249 437 11 CARBON 47K 5 1 4W R562 1 249 437 11 CARBON 47K 5 1 4W R563 1 249 437 11 CARBON 47K 5 1 4W R301 1 249 437 11 CARBON 47K 5 1 4W R564 1 249 431 11 CARBON 15K 5 1 4W R302 1 249 414 11 CARBON 560 5 1 4W R565 1 249 429 11 CARBON 10K 5 1 4W R303 1 249 437 11 CARBON 47K 5 1 4W R304 1 249 419 11 CARBON 1 5K 5 1 4W F R601 1 249 429 11 CARBON 10K 5 1 4W R306 1 249 433 11 CARBON 22K 5 1 4W R602 1 249 417 11 CARBON 1K 5 1 4W R603 1 249 425 11 CARBON 4 7K 5 1 4W F R309 1 249 433 11 CARBON 22K 5 1 4W R604 1 249 429 11 CARBON 10K 5 1 4W R311 1 249 437 11 CARBON 47K 5 1 4W R605 1 249 393 11 CARBON 10 5 1 4W R312 1 249 419 11 CARBON 1 5K 5 1 4W R313 1 249 414 11 CARBON 1 5K 5 1 4W R 01 1 249 414 11 CARBON 560 5 1 4W R314 1 249 437 11 CARBON 47K 5 1 4W R703 1 247 843 11 CARBON 3 3K 5 1 4W R704 1 249 425 11 CARBON 4 1K 5 1 4W F R316 1 249 434 11 CARBON 21K 5 1 4W R705 1 249 427 11 CA
26. 2 99 P M Nt lt 1 3 lt 4 lt gt 1C701 1 6 1 5 pA VOLTAGE CONSTANT 0701 25B1094K L D R722 7 5V REG 0 7 5 1 8701 51 525 5455 56 57 701 11ES2 NTA2B a FA 1670 2 2 560 Some SE 5 5218AP S 2 8707 cibles oe CB SYNC LEB n 7 179 8705 11 2 R705 6 8k 5 Sk 4 C701 Lx 6800 CNM701 R804 10k e Mis s 0471 473 158 Wat R808 100k TRIGGER m L E e C801 DRIVE pm Be C802 DECK CT 51000 SUSTEM AUDIO e Ig d 1802 vss CONTROL 8709 9 BISP F XTAL vss 5765 RESET 1C801 11 52 2 LOT CXP82220 0520 amp l BIAS B 1C701 1 2 0 R803 10k 5218AP TO TRANS B HALF A PITCHCON SW me hd F2 BOARB AMS IN 11 52 2 TRG B Page 24 HALF B TRG A 8706 R720 1851 19 25 METER R 5 R715 0 22 G METER L i m PLAYSW ER 2 7k FR 55 5 ES E T 2502 0702 o 037 144 5 5 7 5 REG n 5 ut N 0707 2541175 4 24 REG 2 0571 575 8707 TRIGGER 11 52 2 DRIVE DECK B 0708 8716 25 1115 HZS7A2L 24V REG IN Page 15 R401 10k 9601 so 2962603 155119 25 BUFFER CONTROL Al oem S L INK CONTROL A1
27. 249 433 11 1 247 843 11 1 249 429 11 1 249 409 11 1 249 417 11 1 249 439 11 1 247 881 00 1 247 807 31 1 247 882 11 1 247 850 11 1 249 421 11 1 249 430 11 1 249 417 11 1 249 421 11 specified Description 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 RESISTOR 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 DTA144ESA DTA144ESA DTA144ESA 25B1116A L DTC144ESA 2501387 3 DTC114ESA 25 1013 4 Remark 25D1387 3 AEP AUS DTC114ESA DTA144ESA 25A1115TP EF 250945 250945 25A1115TP EF 25B1116A L DTC144ESA 25 1115 DTC143TSA 2502603 2581375 2502012 2581375 2502603 25 1115 25B1116A L DTC114ESA 10K 5 220K 5 100K 5 1 8K 5 3 3K 5 3K 5 1K 5 6 8K 5 10K 5 4 7 5 120 5 100 5 130 5 6 2 5 22 5 3 3K 5 10K 5 220 5 1K 5 68K 5 120K 5 100 5 130K 5 6 2K 5 2 2K 5 12K 5 1K 5 2 2K 5 s curit 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4
28. 7 11 CARBON 6 8K 5 1 4W R209 1 249 429 11 CARBON 10K 5 1 4W R443 1 249 390 11 CARBON 5 6 5 1 4W R210 1 249 425 11 CARBON 4 7K 5 1 4W R444 1 249 390 11 CARBON 5 6 5 1 4W R445 1 249 440 11 CARBON 82K 5 1 4W R211 1 247 881 00 CARBON 120K 5 1 4W R446 1 249 440 11 CARBON 82K 5 1 4W R212 1 247 807 31 CARBON 100 5 1 4W R451 1 249 429 11 CARBON 10K 5 1 4W R213 1 247 882 11 CARBON 130K 5 1 4W R214 1 247 850 11 CARBON 6 2K 5 1 4W R452 1 249 425 11 CARBON 4 7K 5 1 4W R215 1 249 433 11 CARBON 22K 5 1 4W R461 1 247 876 11 CARBON 75K 5 1 4W R462 1 249 417 11 CARBON 1K 5 1 4W R216 1 247 843 11 CARBON 3 3K 5 1 4W R463 1 249 425 11 CARBON 4 7K 5 1 4W R217 1 249 429 11 CARBON 10K 5 1 4W R464 1 249 425 11 CARBON 4 7K 5 1 4W R218 1 249 409 11 CARBON 220 5 1 4W R219 1 249 417 11 CARBON 1K 5 1 4W R471 1 249 417 11 CARBON 1K 5 1 4W R220 1 249 439 11 CARBON 68K 5 1 4W R472 1 249 429 11 CARBON 10K 5 1 4W R501 1 215 455 00 METAL 2 K 196 1 4W R221 1 247 881 00 CARBON 120K 5 1 4W R502 1 215 452 00 METAL 20K 1 1 4W R222 1 247 807 31 CARBON 100 5 1 4W R503 1 249 417 11 CARBON 1K 5 1 4W R223 1 247 882 11 CARBON 130K 5 1 4W R224 1 247 850 11 CARBON 6 2K 5 1 4W R504 1 249 422 11 CARBON 2 K 5 1 4W R226 1 249 421 11 CARBON 2 2K 5 1 4W R505 1 247 903 00 CARBON 1M 5 1 4W R507 1 249 429 11 CARBON 10K 5 1 4W R227 1 249 430 11 CARBON 12K 5 1 4W R508 1 249 413 11 CARBON 470 5 1 4W R228 1 249 417 11 CARBON 1K 5
29. BACK AUS SECTION 7 EXPLODED VIEWS Hardware mark list and accessories and pack ing materials are given in the last of this parts list Abbreviation CND Canadian model SP Singapore model AUS Australian model Remark Ref No 2 A Part No 4 232 149 71 4 232 580 71 3 03 244 00 3 363 099 01 4 210 291 11 1 535 688 11 1 692 155 11 TC WE475 The components identified by mark or dotted line with mark are critical for safety Replace 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 cifi Description Remark CASE 410726 US CND AEP UK SP AUS CASE SILVER AEP BUSHING 2104 CORD SCREW CASE 3 TP2 US CND AEP UK SP AUS SCREW CASE 3 TP2 SILVER AEP TERMINAL SELECTOR POWER VOLTAGE SP 27 TC WE475 7 2 CHASSIS SECTION AB and AE are including into the mounted PANEL board Ref No 160 AE TRANS A board EXCEPT SP MY AB TRANS B board A 28 Part No 1 696 656 11 1 769 976 11 1 575 651 21 1 751 535 11 1 777 107 11 1 777 218 11 1 83 531 51 4 978 398 21 3 346 265 31 A 2007 860 A Description Remark WIRE FLAT TYPE 13 CORE WIRE FLAT TYPE 13 CORE CORD POWER SP CORD POWER UK CORD POWER AEP CORD POWER AUS CORD POWER US CND CUSHION HO
30. C601 16V C701 C702 50V C703 16V 50V 0704 50V 0705 50V C706 C707 50V 0708 50V 50V C710 50V C711 50V 0801 0802 50V 0803 50V 50V 0810 50V C811 50V 0834 50V 50V 50V CN301 50V CN31 1 50V CN401 CN411 50V CN803 50V 500V CN807 50V CNA806 50V CNM701 CNS802 100V 50V 25V 16V D306 25V D307 D318 25V D451 50V D601 25V 25V D701 25V The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Part No 1 107 584 11 1 126 965 11 1 126 959 11 1 136 293 11 1 130 299 00 1 137 436 11 1 137 436 11 1 126 965 11 1 126 964 11 1 126 964 11 1 126 964 11 1 126 964 11 1 126 960 11 1 130 497 00 1 136 173 00 1 126 965 11 1 126 960 11 1 126 916 11 1 136 168 00 1 137 150 11 1 136 175 00 1 164 159 11 1 128 547 11 1 126 937 11 1 126 960 11 1 126 969 11 1 126 963 11 1 126 926 11 1 126 926 11 1 126 963 11 1 126 935 11 1 126 947 11 1 104 665 11 1 161 494 00 1 126 959 11 1 161 494 00 1 164 159 11 1 161 494 00 1 691 766 11 1 784 774 11 1 691 770 11 1 784 774 11 1 568 934 11 1 568 954 11 1 506 468 11 1 691 769 11 1 568 830 11 8 19 911 19 8 19 911 19 8 19 911 19 8 19 911 19 8 19 911 19 8 19 024 99 TC WE475 Description CERAMIC 4PF 0 25PF ELECT 22uF 20 00 ELECT 0 47uF 20 00 FILM 0 0082uF 5 00 MYLAR 0 012uF 5 00 MYLAR 0 0039uF 5 00 MYLAR 0 0039uF 5 00 ELECT 22uF 20 00 ELECT 10uF 20 00 E
31. D AUS TC WE475 7 5 TAPE MECHANISM SECTION DECK A TCM 230ASR41A DECK B TCM 230ASR41B 202 DECK A 201 DECK B Ref No Part No Description Remark Ref No Part No Description Remark 201 A 2100 942 A MECHANISM DECK DECK B 211 A 4476 814 A LEAF SW BOARD COMPLETED DECK A 202 A 2100 941 A MECHANISM DECK DECK A 212 3 041 947 01 BELT FR 203 X 3374 155 5 PINCH LEVER FWD ASSY 213 3 041 946 01 BELT CAPSTAN B 204 X 3374 156 5 PINCH LEVER REV ASSY 214 X 4952 851 1 FLYWHEEL B FWD ASSY 205 4 227 872 11 SCREW PTT2X4 GROUND POINT 215 X 4952 852 1 FLYWHEEL B REV ASSY 206 X 4953 986 1 BASE B ASSY HEAD DECK B 216 A 2004 854 A MOTOR ASSY CAPSTAN 207 X 4953 985 1 BASE B ASSY HEAD DECK A 217 3 359 464 01 WASHER CAPSTAN 208 A 4476 817 A HEAD B BOARD COMPLETE DECK B 209 A 4476 815 A HEAD A BOARD COMPLETE DECK A 210 4476 816 LEAF SW BOARD COMPLETED DECK B 31 TC WE475 HEAD RELAY PB ELECTRICAL PARTS LIST HEAD RELAY REC PB SECTION 8 LEAF SW PB LEAF SW REC PB Note 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 X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items
32. ES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PI CES SONT CRITIQUES POUR LA S CURIT DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PI CES SONY DONT LES NUM ROS SONT DONN S DANS CE MANUEL OU DANS LES SUPPL MENTS PUBLI S PAR SONY 2 SAFETY CHECK OUT After correcting the original service problem perform the follow ing safety checks before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE 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 mA 500 microampers Leak age 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 instruments 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 voltmeter 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 pas sive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal P
33. LDER PC BOARD MAINMOUNTED PC BOARD US CND SPAUS Ref No Part No A 2007 862 A 4 232 237 01 3 970 608 01 1 431 786 12 1 431 788 12 1 431 789 12 56 Description Remark MAINMOUNTED PC BOARD AEPUK FOOT DIA 30 SUMITITE B3 BV TRANSFORMER POWER AEP UK AUS TRANSFORMER POWER US CND TRANSFORMER POWER SP 7 3 CASSETTE HOLDER SECTION Ref No 101 101 102 102 103 103 104 105 106 101 Part No X 4953 501 1 X 4953 504 1 X 4953 497 1 X 4953 505 1 4 232 407 01 4 232 407 11 3 022 410 01 3 019 450 01 X 4953 543 1 102 Description Remark LID A ASSY CASSETTE US CND AEP UK SP AUS LID A ASSY CASSETTE SILVER AEP LID B ASSY CASSETTE US CND AEP UK SP AUS LID B ASSY CASSETTE SILVER AEP BUTTON EJECT US CND AEP UK SP AUS BUTTON EJECT SILVER AEP DAMPER PLATE L FULCRUM HOLDER R ASSY CASSETTE US CND AEP UK SP AUS Ref No 106 111 112 113 114 115 Part No X 4953 552 1 3 019 455 01 3 019 451 01 4953 542 1 4953 551 1 3 019 454 01 3 019 453 01 3 019 456 01 3 019 452 01 4 951 620 01 4 959 229 11 TC WE475 Description Remark HOLDER R ASSY CASSETTE SILVER AEP SPRING R LOADING PLATE R FULCRUM HOLDER L ASSY CASSETTE US CND AEP UK SP AUS HOLDER L ASSY CASSETTE SILVER AEP SPRING L LOADING LEVER LOCK R SCREW STEP LEVER LOCK L SCREW 2 6X8 BVTP
34. LECT 20 00 50V MYLAR 0 1uF 5 50V MYLAR 0 068uF 5 00 50V ELECT 10uF 20 00 50V ELECT 0 47uF 20 00 50V ELECT 4 7uF 20 00 50V Ref No C113 C114 C115 C120 C121 C122 C123 C124 C125 C126 C127 C128 C141 A C142 C143 C144 C145 C146 C147 C148 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C220 C221 0222 0223 0224 0225 0226 0227 0228 C241 C242 0243 0244 0245 0246 0247 0248 0321 0322 0417 0421 0422 C431 Part No 1 126 963 11 1 126 961 11 1 137 436 11 1 162 289 31 1 162 294 31 1 162 282 31 1 137 372 11 1 126 963 11 1 162 289 31 1 162 282 31 1 137 372 11 1 126 963 11 1 162 288 31 1 107 609 11 1 130 472 00 1 102 973 00 1 136 356 11 1 137 374 11 1 161 494 00 1 162 306 11 1 162 284 31 1 126 961 11 1 162 600 11 1 126 963 11 1 162 302 11 1 126 963 11 1 126 964 11 1 130 495 00 1 137 375 11 1 126 964 11 1 126 959 11 1 126 963 11 1 126 963 11 1 126 961 11 1 137 436 11 1 162 289 31 1 162 294 31 1 162 282 31 1 137 372 11 1 126 963 11 1 162 289 31 1 162 282 31 1 137 372 11 1 126 963 11 1 162 288 31 1 107 609 11 1 130 472 00 1 102 973 00 1 136 356 11 1 137 374 11 1 161 494 00 1 162 306 11 1 104 664 11 1 104 664 11 1 126 959 11 1 104 664 11 1 104 664 11 1 104 664 11 Description ELECT ELECT MYLAR CERAMIC CERAMIC CERAMIC MYLAR ELECT CERAMIC CERAMIC MYLAR ELECT CERA
35. LECT 10uF 20 00 ELECT 10uF 20 00 ELECT 10uF 20 00 ELECT uF 20 00 MYLAR 0 15uF 5 MYLAR 0 47uF 5 00 ELECT 22uF 20 00 ELECT 1uF 20 00 ELECT 1000uF 20 00 MYLAR 0 18uF 5 00 MYLAR 0 01uF 5 00 MYLAR 0 68uF 5 00 CERAMIC 0 1uF ELECT 6800uF 20 00 ELECT 4700uF 20 00 ELECT 1uF 20 00 ELECT 220uF 20 00 ELECT 4 7uF 20 00 ELECT 1000uF 20 00 ELECT 1000uF 20 00 ELECT 4 7uF 20 00 ELECT 470uF 20 00 ELECT 47uF 20 00 ELECT 100uF 20 00 CERAMIC 0 022uF ELECT 0 47uF 20 00 CERAMIC 0 022uF CERAMIC 0 1uF CERAMIC 0 022uF lt CONNECTOR gt PLUG MICRO CONNECTOR 4P CONNECTOR FFC 13P PLUG MICRO CONNECTOR 9P CONNECTOR FFC 13P PIN CONNECTOR 7P PIN CONNECTOR 5P PIN CONNECTOR 3P PLUG MICRO CONNECTOR 8P CONNECTOR FFC 11P DIODE DIODE DIODE DIODE DIODE DIODE DIODE 155133 155133 155133 155133 155133 11ES2 NTA2B s curit Remark 500 90V 50V 100V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 6 3V 50V 50V 50V 50V 16V 16V 50V 50V 50V 10V 10V 50V 6 3V 35V 10V 25V 50V 25V 50V 25V Les composants identifi s par une marque sont critiques pour la Ne les remplacer que par une pi ce portant le num ro sp cifi TC WE475 Ref No D702 D703 D704 D705 D706 D707 D708 0709 0710 0711 0712 0713 0714 0715 0716 0801 10321 10421 10431 10501 10502 10561 10701 10801 10802 IC806 J501 J60
36. LTER LOW PASS lt TRANSISTOR gt TRANSISTOR DTC143TSA TRANSISTOR 25D1020 HFE TRANSISTOR DTC144ESA TRANSISTOR DTC143TSA TRANSISTOR 2501020 TRANSISTOR DTC144ESA TRANSISTOR 2501387 3 TRANSISTOR DTC144ESA TRANSISTOR DTC144ESA TRANSISTOR DTC144ESA TRANSISTOR DTC144ESA TRANSISTOR 25 1013 4 TRANSISTOR 2501513 AEP AUS TRANSISTOR 2501387 3 AEP AUS TRANSISTOR DTC144ESA Ref No Q316 Q317 Q318 Q371 Q373 Q402 Q403 Q411 Q412 Q414 Q417 Q441 Q442 Q443 Q451 Q471 Q473 Q501 Q506 Q601 Q701 Q702 Q703 Q704 Q707 Q708 Q801 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R126 R127 R128 R129 The components identified by mark or dotted line with mark are critical for safety Replace only with part number Part No 8 29 029 56 8 29 029 56 8 29 029 56 8 29 140 04 8 29 030 02 8 29 801 93 8 29 029 66 8 29 801 84 8 29 801 93 8 29 029 66 8 29 029 56 8 729 119 76 8 729 194 57 8 729 194 57 8 729 119 76 8 729 140 04 8 729 030 02 8 729 119 76 8 729 029 94 8 729 620 05 8 729 141 83 8 729 209 15 8 729 141 83 8 729 620 05 8 729 119 76 8 729 140 04 8 729 029 66 1 249 429 11 1 247 887 00 1 249 441 11 1 249 420 11 1 247 843 11 1 247 842 11 1 249 417 11 1 249 427 11 1 249 429 11 1 249 425 11 1 247 881 00 1 247 807 31 1 247 882 11 1 247 850 11 1
37. MIC CERAMIC MYLAR CERAMIC FILM MYLAR CERAMIC CERAMIC CERAMIC ELECT CERAMIC ELECT CERAMIC ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT ELECT MYLAR CERAMIC CERAMIC CERAMIC MYLAR ELECT CERAMIC CERAMIC MYLAR ELECT CERAMIC CERAMIC MYLAR CERAMIC FILM MYLAR CERAMIC CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT 4 7 2 2uF 0 0039uF 390PF 0 001uF 100PF 0 022uF 4 7uF 390PF 100PF 0 022uF 4 7uF 330PF 75PF 0 0012uF 100PF 470PF 0 047uF 0 022uF 0 01uF 150PF 2 2UF 0 0047uF 4 7uF 0 0022uF 4 7uF 10uF 0 1uF 0 068uF 10uF 0 47uF 4 7uF 4 7uF 2 2UF 0 0039uF 390PF 0 001uF 100PF 0 022uF 4 7uF 390PF 100PF 0 022uF 4 7uF 330PF 75PF 0 0012uF 100PF 470PF 0 047uF 0 022uF 0 01uF 47uF 47uF 0 47uF 47uF 47uF 47uF 20 00 20 00 5 00 10 00 10 10 5 00 20 00 10 00 10 5 00 20 00 10 5 00 5 5 5 00 5 00 30 00 10 00 20 00 30 00 20 00 20 00 20 00 20 00 5 5 00 20 00 20 00 20 00 20 00 20 00 5 00 10 00 10 10 5 00 20 00 10 00 10 5 00 20 00 10 5 00 5 5 5 00 5 00 30 00 20 00 20 00 20 00 20 00 20 00 20 00 Remark Ref No 50 C432 50V C433 50V C434 C441 50V C443 50V 50V C444 50V 0445 50V 0446 0451 50V 0501 50V 50V C502 50V C503 50V C505 C506 500V 0507 50V 50V 0509 100V C510 50V 6511 C561 25V C562 16V 50V C563 50V
38. OLISH AEP 4 232 596 71 MANUAL INSTRUCTION CHINESE SP K K K K K K K K K K K K K 1 2 3 4 5 components identified by mark or dotted line with mark are critical for safety Replace only with part number 7 685 646 79 7 685 871 01 7 685 851 09 7 685 852 04 7 685 902 21 specified KOKK K K HARDWARE LIST KOKK K K K K K K K K K K K SCREW BVTP 3X8 TYPE2 N S SCREW BVTT 3X6 S SCREW BVTT 2X4 S SCREW BVTT 2X5 S SCREW PTPWH 2 6X8 TYPE2 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 cifi TC WE475 REVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Description of Revision 300104
39. RBON 6 8K 5 1 4W F R317 1 249 433 11 CARBON 22K 5 1 4W R706 1 249 419 11 CARBON 1 5K 5 1 4W F R318 1 249 426 11 CARBON 5 6K 5 1 4W R361 1 247 876 11 CARBON 75K 5 1 4W R 07 1 247 854 11 CARBON 9 1K 5 1 4W R362 1 249 425 11 CARBON 4 7K 5 1 4W R708 1 249 419 11 CARBON 1 5K 5 1 4W The components identified by mark or dotted line with mark are critical for safety 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 cifi Replace only with part number specified TC WE475 Ref No Part No Description Remark Ref No Part No Description Remark R709 1 249 425 11 CARBON 4 7K 5 1 4W EF lt VIBRATOR gt R 10 1 249 417 11 CARBON 1K 5 1 4W 711 1 249 427 11 CARBON 6 8K 5 1 4W X801 1 579 175 21 VIBRATOR CERAMIC 10MHz K K K K K K KK K K KK K K KKK R712 1 249 427 11 CARBON 6 8K 5 1 4W F R713 1 249 417 11 CARBON 1K 5 1 4W F A 2007 861 A PANEL BOARD COMPLETE US CND R714 1 249 429 11 CARBON 10K 5 1 4W A 2007 863 A PANEL BOARD COMPLETE AEP UK R715 1 249 422 11 CARBON 2 K 5 1 4W F A 2007 864 A PANEL BOARD COMPLETE SP R 16 1 249 433 11 CARBON 22K 5 1 4W A 2007 865 A PANEL BOARD COMPLETE AEP A 2007 872 A PANEL BOARD COMPLETE AUS R717 1 249 421 11 CARBON 2 2K 5 1 4W F eese pop R 18 1 249 429 11 CARBON 10K 5 1 4W R719 1 249 430 11 CARBON 12K 5 1 4W TRANS A TRANS B DIREC
40. SERVICE MANUAL Ver 1 0 2001 04 Dolby noise reduction extension manufactured under license from Dolby Laboratories Licensing Corporation HX Pro originated by Bang amp Olufsen DOLBY the double D symbol and PRO are trademarks of Dolby Laboratories Licensing Corporation System Fast winding time Approx 100 sec with Sony C 60 cassette Signal to noise ratio at peak level and weighted with Dolby NR off 55 dB using Sony TYPE I cassette 57 dB using Sony TYPE cassette 58 dB using Sony TYPE IV cassette S N ratio improvement With Dolby B NR on Approx 5 dB at 1 kHz 10 dB at 5 kHz With Dolby C NR on Approx 15 dB at 500 Hz 20 dB at 1 kHz Harmonic distortion 0 4 using Sony TYPE Icassette 160 nWb m 315 Hz 3rd H D 1 8 using Sony TYPE IV cassette 250 nWb m 315 Hz 3rd H D Frequency response DOLB Y NR OFF 30 16 000 Hz 3 dB IEC 20 17 000 Hz 6 dB using Sony TYPE I cassette 30 17 000 Hz 3 dB IEC 20 18 000 Hz 6 dB using Sony TYPE II cassette 30 19 000 Hz 3 dB IEC 20 20 000 Hz 6 dB 30 13 000 Hz 3 dB 44 recording using Sony TYPE IV cassette 9 873 893 11 Sony Corporation 2001 D0900 1 Home Audio Company 2001 4 Shinagawa Tec Service Manual Production Group TC WE475 US Model Canadian Model AEP Model UK Model Australian Model LT Model Name Using Similar Mechanism TC WE435 T DECK TCM 230ASR41A ranspor ecnani
41. TION H P POWER RECVOL A R720 1 219 136 11 FUSIBLE 0 22 10 1 4W BOARD are included A R722 1 219 137 11 FUSIBLE 0 33 10 1 4W lt CAPACITOR gt A R723 1 219 137 11 FUSIBLE 0 33 10 1 4W R801 1 249 417 11 CARBON 1K 5 1 4W F AC001 1 113 925 11 CERAMIC 0 01uF 20 00 250V R803 1 249 429 11 CARBON 10K 5 1 4W 6517 1 162 294 31 CERAMIC 0 001uF 10 R804 1 249 429 11 CARBON 10K 5 1 4W C518 1 162 294 31 CERAMIC 0 001uF 10 R805 1 247 807 31 CARBON 100 5 1 4W C751 1 164 159 11 CERAMIC 0 1uF 50V C752 1 137 374 11 MYLAR 0 047uF 5 00 50V R806 1 249 433 11 CARBON 22K 5 1 4W R807 1 249 441 11 CARBON 100K 5 1 4W C753 1 137 374 11 MYLAR 0 047uF 5 00 50V R808 1 249 441 11 CARBON 100K 5 1 4W C901 1 104 665 11 ELECT 100uF 20 00 10V R809 1 249 417 11 CARBON 1K 5 1 4W C902 1 161 494 00 CERAMIC 0 022uF 25V R810 1 247 807 31 CARBON 100 5 1 4W C903 1 162 207 31 CERAMIC 22PF 5 50V C904 1 126 960 11 ELECT 1uF 20 00 50V R811 1 249 429 11 CARBON 10K 5 1 4W R812 1 249 429 11 CARBON 10K 5 1 4W lt CONNECTOR gt R813 1 247 807 31 CARBON 100 5 1 4W R830 1 247 807 31 CARBON 100 5 1 4W 001 1 580 230 31 PIN CONNECTOR PC BOARD 2P SP R966 1 249 429 11 CARBON 10K 5 1 4W 002 1 568 226 11 PIN CONNECTOR 2P US CND AEP UK AUS CN901 1 568 830 11 CONNECTOR FFC 11P R867 1 247 864 11 CARBON 24K 5 1 4W R869 1 249 424 11 CARBON 3 9K 5 1 4W F lt DIODE gt lt VARIABLE RESISTOR gt D901 8 719 313 43 DIODE SEL6210S TH10 SYNCHRO
42. W 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 Les composants identifi s par une marque A sont critiques pour la Ne les remplacer que par une pi ce portant le num ro sp cifi TC WE475 Ref No Part No Description Remark Ref No Part No Description Remark R130 1 249 434 11 CARBON 2 K 5 1 4W R363 1 249 425 11 CARBON 4 7K 5 1 4W R141 1 249 430 11 CARBON 12K 5 1 4W R371 1 249 417 11 CARBON 1K 5 1 4W R372 1 249 429 11 CARBON 10K 5 1 4W R142 1 247 883 00 CARBON 150K 5 1 4W R401 1 249 437 11 CARBON 47K 5 1 4W AN R143 1 219 153 11 FUSIBLE 10 5 1 4W R402 1 249 414 11 CARBON 560 5 1 4W R144 1 249 435 11 CARBON 33K 5 1 4W R145 1 249 429 11 CARBON 15K 5 1 4W R403 1 249 437 11 CARBON 47K 5 1 4W R151 1 249 437 11 CARBON 47K 5 1 4W R404 1 249 419 11 CARBON 1 5K 5 1 4W R411 1 249 437 11 CARBON 47K 5 1 4W R201 1 249 429 11 CARBON 10K 5 1 4W R412 1 249 419 11 CARBON 1 5K 5 1 4W R202 1 247 887 00 CARBON 220K 5 1 4W R413 1 249 414 11 CARBON 1 5K 5 1 4W R203 1 249 441 11 CARBON 100K 5 1 4W R204 1 249 420 11 CARBON 1 8K 5 1 4W F R414 1 249 437 11 CARBON 47K 5 1 4W R205 1 247 843 11 CARBON 3 3K 5 1 4W R416 1 249 434 11 CARBON 2 K 5 1 4W R417 1 249 433 11 CARBON 22K 5 1 4W R206 1 247 842 11 CARBON 3K 5 1 4W R441 1 249 429 11 CARBON 10K 5 1 4W R207 1 249 417 11 CARBON 1K 5 1 4W R442 1 249 429 11 CARBON 10K 5 1 4W R208 1 249 42
43. ances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path gt PB REC DECK Abbreviation Canadian model AUS Australian model Singapore model For printed wiring boards Note o parts extracted from the component side Pattern from the side which enables seeing Transistor of B and C indication is omitted Indication of transistor These are omitted 13 13 TC WE475 Semiconductor Location 0 0 0 F 2 6 A 8 D 7 E 6 G 3 B 3 A 5 C 5 C 2 A 4 E 1 H 7 H 7 G 1 G 1 G 1 H 8 H 8 H 8 G 1 G 1 G 1 C 1 C 1 G 6 G 6 G 5 G 6 G 5 F 5 G 2 H 2 H 2 C 1 C 8 C 8 A 5 0 0 gt 6 2 PRINTED WIRING BOARD MAIN SECTION See page 12 for Circuit Boards Location S L INK J501 602 601 uw 4 23 MAIN BOARD dee gt bZV 20411 4 kK Ww EM os 2 OU B Illum LES X TO TRANS B BOARB _________ ____ __ _____ AVA IS 5 4 U E E gt 4 Jr TN 7 25 Ag D NN TAVA n TO HEA RELAY REC PB 5 BOARB lin ei Page 23 A IST j Fe b NN NS eu TEE
44. arts on Set AC 0 T5uF voltmeter 0 75V Earth Ground Fig A Using an AC voltmeter to check AC leakage MODEL IDENTIFICATION Back panel Part No 7 Abbreviation CND Canadian model SP Singapore model AUS Australian model TC WE475 TABLE OF CONTENTS IS GENERAL acd 4 2 DISASSEMBLY P MO EC 2 2 2 pront Panel en 5 2 3 Cassette Lid Assy Deck 6 2 4 Mechanism Deck Assy Deck 6 3 SERVICE MODE iod neue 7 4 MECHANICAL ADJUSTMENTS 8 5 ELECTRICAL ADJUSTMENTS 8 6 DIAGRAMS 6 1 Circuit Boards Location 12 6 2 Printed Wiring Board MAIN Section 14 6 3 Schematic Diagram MAIN 1 4 Section 15 6 4 Schematic Diagram MAIN 2 4 Section 16 6 5 Schematic Diagram MAIN 3 4 Section 17 6 6 Schematic Diagram MAIN 4 4 Section 18 6 7 Printed Wiring Board DECK A Section 19 6 8 Schematic Diagram DECK A Section 19 6 9 Printed Wiring Board DECK B Section 19 6 10 Schematic Diagram DECK B Section 19 6 11 Schematic Diagram DISPLAY Sectio
45. ch Deck A button lt Deck A button lt lt AMS Deck A button amp Eject Deck A button Deck A button PITCH CONTROL knob PITCH CONTROL button DIRECTION MODE switch MS is the abbreviation for Automatic Music Sensor TC WE475 SECTION 2 DISASSEMBLY The equipment can be removed using the following procedure Set gt Case gt Front Panel Assy Cassette Lid Assy Deck Mechanism Deck Assy Deck Note Follow the disassembly procedure in the numerical order given 2 1 CASE case screw BVTT 3x6 two screws case 3 e two screws lt case C kr P d 2 2 FRONT PANEL ASSY 9 CN807 D CN5802 CN301 9 CN8038 2 Is 9 806 claw flat type wire screw Deck A gt BVTP 3x8 e W CN401 e 14 f le a ds P W wire D claw type wire two screws SC Deck B BVTT 3x6 BVTP 3x8 Screw BVTP 3x8 screw BVTP 3x8 D front panel assy TC WE475 2 3 CASSETTE LID ASSY DECK A B 9 cassette lid assy B four claws 2 4 MECHANISM DECK ASSY DECK A B mechanism deck assy two screws BVTP 2 6x8 two screws BVTP 2 6x8 TC WE475 SECTION 3 SERVICE MODE KEY CHECK amp DISPLAY CHECK MODE While pressing the lt lt A deck REC MUTING buttons with the power off press th
46. d Azimuth Adjustment Procedure Forward Playback Mode test tape P 4 A100 10 kHz 10 dB level meter 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 L CH within peak 1 dB FES R CH peak Screw screw position position L CH R CH peak peak 3 Playback Mode test tape P 4 A100 10 kHz 10 dB oscilloscope L CH 47 KQ 47 LINE OUT Screen Pattern 20996 In phase 45 135 180 good wrong 4 Change the reverse playback mode and repeat the steps 1 to 3 5 After the adjustment lock the adjustment screws with suitable locking compound Adjustment Location record playback head forward side reverse side 7 Se adjustment screws TC WE475 Tape speed Adjustment DECK A DECK B Adjust DECK A first Procedure Forward Playback Mode test tape WS 48B 3 kHz 0 dB frequency counter LINE OUT High speed adjustment Press the button to set to OFF Set to test mode Refer to page 11 Press the button to playback Press HIGH NORMAL button to playback at double speed Adjust RV316 DECK A RV416 DECK B so that the fre quency counter reading becomes 5 980 180 Hz Normal speed adjustment 6 Press button to playback 7 Pressthe
47. e POWER button to turn on the power The fluorescent indicator tube displays the number or special message corresponding to the button pressed The message displayed differs according to the position of the switch A deck side B deck side Button Display Button Display oo aoo o o ooo es o kemmo o DOLBY NR switch lt PLAY Grit check display 1 Segment check display 2 M 7 TC WE475 SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION PRECAUTION Clean the following parts with a denatured alcohol moistened The adjustment should be performed in the publication swab Be sure to male playback adjustment at first record playback erase head pinch roller 2 The adjustments and measurement should be performed for both rubber belts capstan L CH and R CH idlers Switch position 2 Demagnetize the record playback head with a head demagne DOLBY NR switch OFF tizer DIRECTION MODE switch 3 Do not use a magnetized screwdriver for the adjustment Standard record position 4 After the adjustments apply suitable locking compound to the Deliver the standard input signal level to input jack and set the parts adjusted knob to obtain the standard output signal level 5 The adjustments should be performed with the rated power sup as follows ply voltage unless otherwise noted Record Mode Torque Measurement AF OSC
48. n 20 6 12 Printed Wiring Board DISPLAY Section 21 6 13 Schematic Diagram PANEL Section 22 6 14 Printed Wiring Board PANEL Section 23 6 15 Schematic Diagram POWER Section 24 6 16 Printed Wiring Board POWER Section 25 IC PIN EUNCTION aii bici idet deme ette ms 26 7 EXPLODED VIEWS Dale ase SOC Ol 2 eee obe reo name 27 T5252 CHASSIS OCHO cie ec eben dia A bs 28 7 3 Cassette Holder Section asser hs 29 7 4 Front Panel Section ss 30 7 3 Tape 31 8 ELECTRICAL PARTS LIST 32 TC WE475 Front Panel Location of Parts and Controls POWER button RESET Deck A button MEMORY Deck A button RESET Deck B button MEMORY Deck B button AUTO REC LEVEL indicator REC LEVEL knob FADER button ARL button SYNCHRO button PHONES jack HIGH NOMAL button AMS gt P Deck B button Deck B button REC button Z Eject Deck B button SAS Else SECTION 1 GENERAL 24 IPSE SIS E E gt REC MUTING O button lt Deck B button PAUSE EE button Deck B button lt lt AMS Deck B button AMS gt P Deck A button DOLBY NR OFF B C swit
49. ocation TO MAIN BOARD PANEL BOARD Page 14 N A ARM a EN EN NNLLA NS KZ a as a a Tea 7 U N i h O BUBBING B AB MIGH NORMAL START BECK B H 27 92 Lot 52555 REC eq me _ EIU e Semiconductor D 11 221 Location Ref No No Location 21 21 TC WE475 6 13 SCHEMATIC DIAGRAM PANEL SECTION DIRECTION BOARD 3960 PITCH CONTROL RV902 10k PITCH CONTROL N0807 5P 5 YEL BIRECTION PITCH ONZOFF PITCH MIN PITCH MAX 6 5 YEL TO MAIN 4 4 BOARD TO MAIN 3 4 Page 18 BOARD Page 17 CHASSIS HP 1 PLAYBACK L CH R CH gt MAIN BOARD Page 15 PE HR RECORB PLAYBACK ERASE HE AD 5 HEAD RELAY REC BOARD E GN E HO MAIN BOARD Page 16 22 22 J502 PHONES TO MAIN 2 4 BOARB Page 17 TO CN803 VOL 5V D GND lt ARL LED ARL DIRECTION LEP SYNC RV901 20k IB f1 NO Co Il 5953 FABER 9934 5953 SYNCHRO WA R901 470 902 470
50. sm e HE DECK B TCM 230ASR41B SPECIFICATIONS Wow and flutter 0 15 W Peak IEC 0 1 W RMS NAB 0 2 W Peak DIN Variable pitch range Approx 30 to 30 Inputs Line inputs phono jacks sensitivity 0 16 V input impedance 47 kilohms Outputs Line outputs phono jacks rated output level 0 5 V at a load impedance of 47 kilohms load impedance over 10 kilohms Headphones stereo phone jack output level 0 25 mW at a load impedance of 32 ohms Continued on next page STEREO CASSETTE DECK SON Y TC WE475 General Power requirements U S A and Canadian models 120 V AC 60Hz European models 230 V AC 50 60Hz Australian models 240 V AC 50 60Hz Other models 120 220 230 240 V AC 50 60Hz Adjustable with voltage selector Power consumption 18 watts Dimensions w h d Approx 430 x 120 x 300 mm Mass 4 2 Supplied accessories Audio connecting cords 2 Control cable 1 Supplied for Canadian models only Design and specifications are subject to change without notice SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION RE PLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT LA S CURIT LES COMPOSANTS IDENTIFI S PAR UNE MARQUE SUR L
51. start recording 3 Record Mode AF OSC 10 attenuator blank tape CS 123 3 O 600 Q LINE IN 315 Hz 50 mV 23 8 dBs 4 Playback Mode recorded portion level meter LINE OUT 5 Confirm playback the signal recorded in step 2 become adjust ment level as follows If the selevels do not adjustment level adjust the 101 L CH and RV201 R CH to repeat steps 3 and 4 Adjustment Value LINE OUT level 223 8 dBs 0 5 dB 47 2 to 53 0 mV Adjustment Location MAIN board See page 14 TC WE475 Adjustment Location main board MAIN board Component side RV121 RV221 RV101 PB LEVEL PBLEVEL REC DECK B L DECK B R LEVEL L 100 1 64 81 30 33 RV201 RV111 RV211 80 1 PB LEVEL PB LEVEL 31 32 DECK L DECK A R 5750 2049 LEVEL R BIAS CURRENT DECK B L rw TP441 2 RV317 REC BIAS NORMAL SPEED 416 pEckp p BIAS IG RV318 DECK A c SPEED SPEED PITCH DECK 7241 CONTROL Gy 6 HV241 BIAS DECK A EN CURRENT RV316 DECK pECK B HIGH SPEED DECK A 11 TC WE475 SECTION 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION TRANS A board A E LEAF SW REC PB board Except SP Deck A TRANS B board A B POWER board A F m gt ZZ MAIN board 2 SS p lt

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