Sony TC-WE635 Service Manual Download | Manualshive

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2-8. MECHANICAL BLOCK ASSEMBLY (DECK A/B)

2-9. HEAD RELAY (REC/PB) BOARD (DECK A/B)

2

Two screws

(BVTT 2x3.5)

1

Torsion spring

5

Reverse slider

4

Mechanical block assy

3

Two screws

(BVTT 2x3.5)

3

Tension spring (HEAD)

2

HEAD RELAY (REC/PB) board

1

Screw

(BVTT 2x4)

4

Head deck assy

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Summary of Contents for TC-WE635

Page 1: ...se reduction extension manufactured under license from Dolby Laboratories Licensing Corporation HX Pro originated by Bang Olufsen DOLBY the double D symbol a and HX PRO are trademarks of Dolby Laboratories Licensing Corporation TC WE635 Continued on next page Model Name Using Similar Mechanism TC WE425 WE525 WR681 Transport Mechanism Type TCM 230ASR4 HSR4 ...

Page 2: ...her 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...

Page 3: ... SERVICE MODE 10 4 MECHANICAL ADJUSTMENTS 11 5 ELECTRICAL ADJUSTMENTS 11 6 DIAGRAMS 6 1 Circuit Boards Location 15 6 2 Printed Wiring Board Main Section 17 6 3 Schematic Diagram Main Section 1 4 19 6 4 Schematic Diagram Main Section 2 4 21 6 5 Schematic Diagram Main Section 3 4 23 6 6 Schematic Diagram Main Section 4 4 25 6 7 Printed Wiring Board Deck Section 27 6 8 Schematic Diagram Deck Section ...

Page 4: ...on Front Panel 22 REC MUTING R Deck B button 23 PAUSE P Deck B button 24 p Deck B button 25 DOLBY NR B C switch 26 DOLBY NR OFF ON FILTER 27 FRONT Deck A button 28 ª BACK Deck A button 29 REC r Deck B button 30 REC MUTING R Deck A button 31 Eject Deck A button 32 PAUSE P Deck A button 33 p CLEAR Deck A button 34 AMS Deck A button 35 0 AMS Deck A button 36 DISPLAY button 37 CHECK button 38 SET butt...

Page 5: ...NT PANEL ASSEMBLY 1 Screw BVTP 3x8 2 Two Screws Case 3 TP2 3 Two Screws Case 3 TP2 4 Case Screw BVTP 3x8 Screw BVTP 3x8 Screw BVTP 3x8 Two screws BVTT 3x6 Claw Claw Front panel assy 9 CN1002 0 CN1003 2 CN807 1 CN5802 3 CN803 4 CNA806 5 Flat type wire Deck A CN002 6 Flat type wire Deck B 7 Screw BVTP 3x8 8Wire ...

Page 6: ... 6 2 3 CASSETTE LID ASSEMBLY DECK A B 2 4 MECHANISM DECK ASSEMBLY DECK A B 2 Four claws 1 Push the EJECT button 3 Cassette lid assy 1 Two screws BVTP 2 6x8 3 Mechanism deck assy 2 Two screws BVTP 2 6x8 ...

Page 7: ...C PB BOARD DECK A B 1 Two screws PS 2 6x6 2 Capstan motor assy 8 Belt capstan 3 Wires 5 Screw BVTT 2x4 4 Screw BVTT 2x4 6 Claws Claws 7 LEAF SW REC PB board When installing pull the belt capstan put around claws a a b b ...

Page 8: ... REV ASSEMBLY DECK A B 2 7 FLYWHEEL FWD REV ASSEMBLY DECK A B 4 Pinch lever FWD assy 2 Pinch lever REV assy 1 Claw 3 Claw 1 Belt FR2 3 Flywheel FWD assy 6 Flywheel REV assy 4 Washer 7 Washer 2 Stopper washer 5 Stopper washer ...

Page 9: ... DECK A B 2 9 HEAD RELAY REC PB BOARD DECK A B 2 Two screws BVTT 2x3 5 1 Torsion spring 5 Reverse slider 4 Mechanical block assy 3 Two screws BVTT 2x3 5 3 Tension spring HEAD 2 HEAD RELAY REC PB board 1 Screw BVTT 2x4 4 Head deck assy ...

Page 10: ... fluorescent display tube displays the number or special message corresponding to the button pressed The message displayed differs according to the position of the switch SECTION 3 SERVICE MODE RESET 0 MEMORY 1 DECK A 2 DECK B 3 A B REC 4 HIGH NOMAL 5 0 AMS 6 AMS 7 p Segment check display 2 ª 8 9 PAUSE P A REC MUTING R b REC r C FADER d ARL E SYNCHRO All lit DOLBY NR switch 3 OFF ª B PLAY C B deck...

Page 11: ...ss the U button to turn on the power The fluorescent display tube lights up for about one second and the test mode is set The test mode performs the following two special functions Playback speed switching function Pressing the HIGH NORMAL button switches the playback speed between standard double speed Counter RESET MEMORY function Resets the counter when recording starts When rewound with the 0 ...

Page 12: ...CK A 9 Press the PITCH CONTROL button to set to ON 10 Set PITCH CONTROL knob to mechanical center 11 Press the button to playback 12 Adjust RV318 so that the frequency counter reading becomes 2 990 90 Hz Adjustment Location MAIN board See page 14 Sample value of wow and flutter W RMS JIS less than 0 3 test tape WS 48B Playback Level Adjustment DECK A DECK B Procedure Forward Playback Mode Adjust D...

Page 13: ...ion MAIN board See page 14 Record Level Adjustment DECK A DECK B Setting REC LEVEL knob standard record position See page 11 Procedure 1 Set to test mode See page 11 2 Insert a tspe into deck B press the REC r button and then press the button to start recording 3 Record Mode 4 Playback Mode set AF OSC attenuator 10 kΩ 600 Ω LINE IN 1 315 Hz 2 10 kHz 50 mV 23 8 dB blank tape CS 123 3 Record Mode se...

Page 14: ...8 PITCH CONTROL DECK A RV317 NORMAL SPEED DECK A RV316 HIGH SPEED DECK A 100 81 80 51 31 1 IC801 50 30 RV102 REC LEVEL DECK A L RV202 REC LEVEL DECK A R RV417 NORMAL SPEED DECK B RV416 HIGH SPEED DECK B RV241 REC BIAS DECK B R RV141 REC BIAS DECK B L RV201 REC LEVEL R REC BIAS T241 BIAS CURRENT DECK B R BIAS CURRENT DECK B L T141 52 33 32 20 64 1 IC551 19 51 RV101 REC LEVEL L RV121 PB LEVEL DECK B...

Page 15: ...riations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path E PB a REC Abbreviation CND Canadian model AUS Australian model SP Singapore model MY Malaysia model CH Chinese model Indication of transistor 1 IC801 ª EXTAL Note The components identi...

Page 16: ...1 A 2 IC431 F 2 IC501 D 3 IC502 A 6 IC504 F 7 IC561 D 9 IC701 A 8 IC801 D 7 IC802 E 6 IC803 G 9 IC804 G 8 IC805 G 4 IC806 G 3 Ref No Location Ref No Location Ref No Location Q101 B 3 Q102 A 5 Q103 F 7 Q104 C 5 Q201 C 2 Q202 A 4 Q203 F 7 Q204 E 1 Q301 H 7 Q302 H 7 Q303 H 7 Q306 F 10 Q307 G 10 Q308 F 10 Q311 H 8 Q312 H 8 Q314 H 8 Q316 G 10 Q317 G 10 Q318 G 10 Q341 D 13 Q342 D 13 Q343 D 13 Q351 G 11 ...

Page 17: ...TC WE635 19 20 6 3 SCHEMATIC DIAGRAM MAIN 1 4 SECTION Page 34 Page 28 Page 21 Page 21 Page 25 Page 23 Page 25 Page 23 Page 23 Page 23 ...

Page 18: ...TC WE635 21 22 6 4 SCHEMATIC DIAGRAM MAIN 2 4 SECTION Page 19 Page 19 Page 23 Page 23 Page 25 Page 25 Page 25 Page 25 Page 24 Page 34 Page 28 ...

Page 19: ...AM MAIN 3 4 SECTION See page 16 for Waveforms See page 17 for Printed Wiring Board See page 41 for IC Pin Functions Page 33 Page 34 Page 30 Page 20 Page 20 Page 20 Page 20 Page 22 Page 22 Page 25 Page 25 Page 26 Page 22 Page 26 Page 37 ...

Page 20: ...TC WE635 25 26 6 6 SCHEMATIC DIAGRAM MAIN 4 4 SECTION Page 23 Page 20 Page 23 24 Page 24 Page 24 Page 34 Page 22 Page 20 Page 22 Page 22 Page 22 ...

Page 21: ...TC WE635 27 28 6 7 PRINTED WIRING BOARD DECK SECTION See page 15 for Circuit Boards Location 6 8 SCHEMATIC DIAGRAM DECK SECTION 09 Page 17 18 09 Page 19 Page 21 ...

Page 22: ...TC WE635 29 30 6 9 SCHEMATIC DIAGRAM DISPLAY SECTION Page 23 24 ...

Page 23: ...32 6 10 PRINTED WIRING BOARD DISPLAY SECTION See page 15 for Circuit Boards Location Page 18 D904 B 3 D905 B 2 D906 B 2 D906 B 2 D907 B 2 D908 B 2 IC901 B 5 IC902 A 2 Q901 A 2 Semiconductor Location Ref No Location ...

Page 24: ...TC WE635 33 34 6 11 SCHEMATIC DIAGRAM PANEL SECTION Page 23 Page 23 Page 19 Page 21 Page 26 ...

Page 25: ...TC WE635 35 36 6 12 PRINTED WIRING BOARD PANEL SECTION See page 15 for Circuit Boards Location Page 18 Page 17 Page 18 09 Page 18 ...

Page 26: ...TC WE635 37 38 6 13 SCHEMATIC DIAGRAM POWER SECTION Page 24 ...

Page 27: ...TC WE635 39 40 6 14 PRINTED WIRING BOARD POWER SECTION See page 15 for Circuit Boards Location Page 18 ...

Page 28: ... I Power hold input 6 VOL OUT O Volume output 7 A B SEL I Playback A B selector input L A H B 8 CONTROL A IN I Control A signal input 9 CONTROL A OUT O Control A signal output 10 FL CLK I FL CLK control input 11 FL DATA IN I Display control input 12 FL DATA OUT O Display control output 13 CS I Sircs signal input 14 REC MUTE A O Recording mute output L Mute ON 15 REC PB O Record playback dolby NR m...

Page 29: ...1 3 032 412 01 PANEL BACK US 1 3 032 412 11 PANEL BACK CND 1 3 032 412 21 PANEL BACK AEP 1 3 032 412 31 PANEL BACK UK 1 3 032 412 41 PANEL BACK AUS 1 3 032 412 51 PANEL BACK SP MY 1 3 032 412 61 PANEL BACK CH 2 3 935 634 01 CASE 410726 3 3 703 244 00 BUSHING 2104 CORD EXCEPT US CND 3 3 703 571 11 BUSHING S 4516 CORD CND 3 4 966 267 11 BUSHING FBS001 CORD US 4 3 363 099 01 SCREW CASE 3 TP2 S902 1 6...

Page 30: ...ER POLAR SPT 1 CND 53 1 575 651 21 CORD POWER SP MY 53 1 751 535 11 CORD POWER UK 53 1 777 107 11 CORD POWER AEP 53 1 777 218 11 CORD POWER AUS 53 1 783 108 11 CORD POWER CH 53 1 783 531 51 CORD POWER US 1 1 1 1 1 US CND AEP SP MY CH UK AUS 2 2 2 T901 4 B not supplied not supplied 51 52 57 54 54 57 53 53 53 53 53 55 55 56 4 E Except SP MY The components identified by mark or dotted line with mark ...

Page 31: ... 106 X 3375 103 1 HOLDER R ASSY CASSETTE 107 3 019 455 01 SPRING R LOADING 108 3 019 451 01 PLATE R FULCRUM 109 X 3375 107 1 HOLDER L ASSY CASSETTE 110 3 019 454 01 SPRING L LOADING 111 3 019 453 01 LEVER LOCK R 112 3 019 456 01 SCREW STEP 113 3 019 452 01 LEVER LOCK L 114 4 951 620 01 SCREW 2 6X8 BVTP 101 102 103 103 110 109 108 104 114 105 114 114 112 111 114 108 113 112 107 106 105 104 114 TCM ...

Page 32: ...X 3376 711 1 PANEL ASSY FRONT EXCEPT US CND 151 X 3376 762 1 PANEL ASSY FRONT US CND 152 3 021 239 01 KNOB REC 153 4 996 698 41 EMBLEM SONY 154 4 977 593 01 RING DIA 50 ORNAMENTAL EXCEPT US CND 155 4 978 398 21 CUSHION 156 3 021 232 01 BUTTON COUNTER 157 3 021 230 01 BUTTON FUNCTION 158 3 931 241 21 BUTTON SYNCHRO 5 FLT901 Except US CND 152 155 154 153 151 158 156 157 165 165 165 163 Including 4 A...

Page 33: ...ASSY CAPSTAN DECK B 201 3 016 574 11 SPRING HEAD TENSION 202 X 3374 156 1 PINCH LEVER REV ASSY 203 1 668 628 11 LEAF SW REC PB BOARD DECK A B 204 3 032 809 02 SPRING L TORSION DECK B 205 3 016 572 01 LEVER EJECT PREVENTION L DECK B 206 3 016 565 01 BASE PINCH LEVER REV 207 3 016 567 01 SPRING CASSETTE LEAF 208 3 032 810 02 SPRING R TORSION DECK A 209 3 016 573 01 LEVER EJECT PREVENTION R DECK A 21...

Page 34: ...126 963 11 ELECT 4 7uF 20 50V C105 1 162 302 11 CERAMIC 0 0022uF 20 16V C106 1 126 963 11 ELECT 4 7uF 20 50V C107 1 126 964 11 ELECT 10uF 20 50V C108 1 130 495 00 MYLAR 0 1uF 5 50V C109 1 137 375 11 FILM 0 068uF 5 50V C110 1 126 964 11 ELECT 10uF 20 50V C111 1 126 959 11 ELECT 0 47uF 20 50V C112 1 126 963 11 ELECT 4 7uF 20 50V C113 1 126 963 11 ELECT 4 7uF 20 50V C114 1 126 961 11 ELECT 2 2uF 20 5...

Page 35: ...F 20 25V C431 1 104 664 11 ELECT 47uF 20 16V C432 1 107 584 11 CERAMIC 4PF 0 25PF 500V C433 1 126 965 11 ELECT 22uF 20 50V C434 1 126 959 11 ELECT 0 47uF 20 50V C441 1 136 293 11 FILM 0 0082uF 5 100V C442 1 136 173 00 FILM 0 47uF 5 50V C443 1 130 299 00 FILM 0 012uF 5 50V C444 1 137 436 11 FILM 0 0039uF 5 50V C445 1 137 436 11 FILM 0 0039uF 5 50V C446 1 126 964 11 ELECT 10uF 20 50V C451 1 126 964 ...

Page 36: ...SISTOR Q101 8 729 029 94 TRANSISTOR DTC143TSA Q102 8 729 142 25 TRANSISTOR 2SD1020 HFE Q103 8 729 030 02 TRANSISTOR DTC144ESA Q104 8 729 030 02 TRANSISTOR DTC144ESA Q201 8 729 029 94 TRANSISTOR DTC143TSA Q202 8 729 142 25 TRANSISTOR 2SD1020 HFE Q203 8 729 030 02 TRANSISTOR DTC144ESA Q204 8 729 030 02 TRANSISTOR DTC144ESA Q301 8 729 801 84 TRANSISTOR 2SB1013 4 Q302 8 729 801 93 TRANSISTOR 2SD1387 Q...

Page 37: ...205 1 247 843 11 CARBON 3 3K 5 1 4W R206 1 247 842 11 CARBON 3K 5 1 4W R207 1 249 417 11 CARBON 1K 5 1 4W F R208 1 249 427 11 CARBON 6 8K 5 1 4W F R209 1 249 429 11 CARBON 10K 5 1 4W R210 1 249 425 11 CARBON 4 7K 5 1 4W F R211 1 247 881 00 CARBON 120K 5 1 4W R212 1 247 807 31 CARBON 100 5 1 4W R213 1 247 882 11 CARBON 130K 5 1 4W R214 1 247 850 11 CARBON 6 2K 5 1 4W R215 1 249 433 11 CARBON 22K 5 ...

Page 38: ...N 47K 5 1 4W R563 1 249 437 11 CARBON 47K 5 1 4W R564 1 249 431 11 CARBON 15K 5 1 4W R565 1 249 429 11 CARBON 10K 5 1 4W R571 1 249 418 11 CARBON 1 2K 5 1 4W F R572 1 249 426 11 CARBON 5 6K 5 1 4W R573 1 249 427 11 CARBON 6 8K 5 1 4W F R575 1 247 852 11 CARBON 7 5K 5 1 4W R576 1 249 430 11 CARBON 12K 5 1 4W R577 1 249 428 11 CARBON 8 2K 5 1 4W F R578 1 249 428 11 CARBON 8 2K 5 1 4W F R579 1 249 42...

Page 39: ...RBON 22K RV316 1 241 764 11 RES ADJ CARBON 10K RV317 1 241 765 11 RES ADJ CARBON 22K RV318 1 241 764 11 RES ADJ CARBON 10K RV416 1 241 764 11 RES ADJ CARBON 10K RV417 1 241 765 11 RES ADJ CARBON 22K RELAY RY351 1 755 061 11 RELAY RY451 1 755 061 11 RELAY TRANSFORMER T131 1 433 381 11 TRANSFORMER BIAS OSCILLATOR T141 1 433 381 11 TRANSFORMER BIAS OSCILLATOR T231 1 433 381 11 TRANSFORMER BIAS OSCILL...

Page 40: ...CK S912 1 762 875 21 SWITCH KEYBOARD P A DECK S913 1 762 875 21 SWITCH KEYBOARD FRONT A DECK S914 1 762 875 21 SWITCH KEYBOARD ª BACK A DECK S915 1 762 875 21 SWITCH KEYBOARD REC MUTING A DECK S916 1 762 875 21 SWITCH KEYBOARD º AMS B DECK S917 1 762 875 21 SWITCH KEYBOARD AMS B DECK S918 1 762 875 21 SWITCH KEYBOARD REC B DECK S921 1 762 875 21 SWITCH KEYBOARD π B DECK S922 1 762 875 21 SWITCH KE...

Page 41: ...STRUCTION ENGLISH 3 866 256 21 MANUASL INSTRUCTION FRENCH SPANISH CND AEP SP MY 3 866 256 31 MANUAL INSTRUCTION GERMAN DUTCH SWEDISH ITALIAN PORUTGUESE AEP 3 866 256 41 MANUAL INSTRUCTION CHINESE SP MY CH 3 866 671 11 MANUAL FOR CONTROL A1 ENGLISH US UK AUS 3 866 671 21 MANUAL FOR CONTROL A1 ENGLISH FRENCH GERMAN SPANISH DUTCH PORTUGUESE SWEDISH ITALIAN CHINESE CND AEP SP MY CH HARDWARE LIST 1 7 6...

Page 42: ... 56 Sony Corporation Home A V Products Company 9 928 828 11 99C0990 1 Printed in Japan 1999 3 Published by Quality Assurance Dept Shinagawa TC WE635 ...

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