Sony CX-BK2, Service Manual

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CX-BK2
3
TABLE OF CONTENTS
1. SERVICING NOTES
................................................ 4
2. GENERAL
Location of Controls ....................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Panel ................................................................................ 9
3-3. Top Panel ......................................................................... 9
3-4. Front Panel Assy ............................................................. 10
3-5. MAIN Board ................................................................... 10
3-6. Rear Cover ....................................................................... 11
3-7. Tuner (FM/AM) .............................................................. 11
3-8. SPEAKER Board ............................................................ 12
3-9. ACDC Board, Power Transformer .................................. 12
3-10. AMP Board ..................................................................... 13
3-11. CD Mechanism Deck (CDM69BV-30CBD64NS) ......... 13
3-12. Base Unit Section ............................................................ 14
3-13. Base Unit (BU-30CBD64NS) ......................................... 14
3-14. BD Board ......................................................................... 15
3-15. SW (1) Board, SW (2) Board, SW (3) Board,
SW (4) Board, Bracket (Top) Assy ................................. 15
3-16. CONNECTOR Board ..................................................... 16
3-17. Motor (Stocker) Assy (Stocker) (M761) ........................ 16
3-18. Motor (Roller) Assy (Roller) (M781) ............................. 17
3-19. Motor (Mode) Assy (Mode) (M771) .............................. 17
3-20. Rubber Roller (Slider) Assy ........................................... 18
3-21. Timing Belt (Front/Rear) ................................................ 18
3-22. Cam (Gear) ...................................................................... 19
3-23. SENSOR Board ............................................................... 19
4. ASSEMBLY
4-1. How to Install the Cam (Eject Lock) .............................. 20
4-2. How to Install the Cam (Gear) ........................................ 20
4-3. How to Install the Gear (Mode C) .................................. 21
4-4. How to Install the Gear (Mode Cam) ............................. 21
4-5. How to Install the Rotary Encoder (S702),
Gear (Stocker Communication) ...................................... 22
4-6. How to Install the Stocker Assy ...................................... 22
5. TEST MODE
.............................................................. 23
6. ELECTRICAL ADJUSTMENTS
CD Section ...................................................................... 24
7. DIAGRAMS
7-1. Block Diagram – CD Section – ..................................... 27
7-2. Block Diagram – TUNER//USB Section – ................... 28
7-3. Block Diagram – AMP Section – .................................. 29
7-4. Block Diagram – POWER SUPPLY Section – ............. 30
7-5. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 31
7-6. Printed Wiring Board – BD Board – ............................. 32
7-7. Schematic Diagram – BD Board – ................................ 33
7-8. Printed Wiring Boards – CHANGER Section – ............ 34
7-9. Schematic Diagram – CHANGER Section – ................ 35
7-10. Printed Wiring Board – MAIN Board – ........................ 37
7-11. Schematic Diagram – MAIN Board (1/4) – .................. 38
7-12. Schematic Diagram – MAIN Board (2/4) – .................. 39
7-13. Schematic Diagram – MAIN Board (3/4) – .................. 40
7-14. Schematic Diagram – MAIN Board (4/4) – .................. 41
7-15. Printed Wiring Board – USB AUX Board – .................. 42
7-16. Schematic Diagram – USB AUX Board – ..................... 43
7-17. Schematic Diagram – AMP Board (1/2) – .................... 44
7-18. Schematic Diagram – AMP Board (2/2) – .................... 45
7-19. Printed Wiring Board – AMP Board – .......................... 46
7-20. Printed Wiring Board – HEADPHONE Board – .......... 47
7-21. Schematic Diagram – HEADPHONE Board – ............. 47
7-22. Printed Wiring Board – SPEAKER Board – ................. 48
7-23. Schematic Diagram – SPEAKER Board – .................... 49
7-24. Printed Wiring Boards – KEY Section – ....................... 50
7-25. Schematic Diagram – KEY Section – ........................... 51
7-26. Printed Wiring Boards – LCD Section – ....................... 52
7-27. Schematic Diagram – LCD Section – ........................... 53
7-28. Printed Wiring Board – ACDC Board – ........................ 54
7-29. Schematic Diagram – ACDC Board – ........................... 55
7-30. Printed Wiring Board – PT Board – .............................. 56
7-31. Schematic Diagram – PT Board – ................................. 57
7-32. IC Pin Function Description ........................................... 63
8. EXPLODED VIEWS
8-1. Panel Section ................................................................... 69
8-2. Front Panel Block-1 ........................................................ 70
8-3. Front Panel Block-2 ........................................................ 71
8-4. Front Panel Block-3 ........................................................ 72
8-5. Chassis Block-1 ............................................................... 73
8-6. Chassis Block-2 ............................................................... 74
8-7. CD Mechanism Deck Section-1
(CDM69BV-30CBD64NS) ............................................. 75
8-8. CD Mechanism Deck Section-2
(CDM69BV-30CBD64NS) ............................................. 76
8-9. CD Mechanism Deck Section-3
(CDM69BV-30CBD64NS) ............................................. 77
8-10. CD Mechanism Deck Section-4
(CDM69BV-30CBD64NS) ............................................. 78
8-11. CD Mechanism Deck Section-5
(CDM69BV-30CBD64NS) ............................................. 79
8-12. CD Mechanism Deck Section-6
(CDM69BV-30CBD64NS) ............................................. 80
8-13. Optical Pick-up Section (BU-30CBD64NS) .................. 81
10. ELECTRICAL PARTS LIST
............................... 82