Table Of Contents - Sony HCD-GN90D Service Manual

1. SERVICING NOTES
2. GENERAL
Location of Controls ........................................................ 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 7
3-2. Case ................................................................................. 8
3-3. Loading Panel Assy ......................................................... 8
3-4. Front Panel Assy .............................................................. 9
3-5. DVD Mechanism Deck (CDM74D2-DVBU62) ............. 9
3-6. Tape Mechanism Deck, Game Board .............................. 10
3-7. CD SW Board, Panel Board ............................................ 10
3-8. Switch Board ................................................................... 11
3-9. Tuner Pack ....................................................................... 11
3-10. Bracket Top, Bracket Sub ................................................ 12
3-11. Primary Board ................................................................. 12
3-12. DMB07 Board, Video Board ........................................... 13
3-13. Rear Panel ........................................................................ 13
3-14. Main Board, Power Board Assy ...................................... 14
3-15. Surround Board, PA Board .............................................. 14
3-16. Power Transformer (T601) .............................................. 15
3-17. Driver Board, SW Board ................................................. 15
3-18. RF Board, Optical Pick-Up (DBU-3) .............................. 16
3-19. Sensor Board ................................................................... 16
3-20. Motor (TB) Board ........................................................... 17
3-21. Motor (LD) Board ........................................................... 17
4. TEST MODE
.............................................................. 18
5. MECHANICAL ADJUSTMENTS
6. ELECTRICAL ADJUSTMENTS
Deck section .................................................................... 27
Video Section .................................................................. 28
7. DIAGRAMS
7-1. Block Diagram - DVD Section (1/2) - .......................... 32
7-2. Block Diagram - DVD Section (2/2) - .......................... 33
7-3. Block Diagram - Tuner/Tape Section - ......................... 34
7-4. Block Diagram - Main Section - ................................... 35
7-5. Block Diagram - Display/Power Section - .................... 36
7-6. Block Diagram - Amp Section - .................................... 37

TABLE OF CONTENTS

................................................ 4
....................... 27
7-7. Printed Wiring Board - RF Board - ............................... 38
7-8. Schematic Diagram - RF Board - .................................. 39
7-9. Printed Wiring Board - DVD Mechanism Board - ....... 40
7-10. Schematic Diagram - DVD Mechanism Board - .......... 41
7-11. Printed Wiring Board - DMB07 Board (Side A) - ........ 42
7-12. Printed Wiring Board - DMB07 Board (Side B) - ........ 43
7-13. Schematic Diagram - DMB07 Board (1/6) - ................. 44
7-14. Schematic Diagram - DMB07 Board (2/6) - ................. 45
7-15. Schematic Diagram - DMB07 Board (3/6) - ................. 46
7-16. Schematic Diagram - DMB07 Board (4/6) - ................. 47
7-17. Schematic Diagram - DMB07 Board (5/6) - ................. 48
7-18. Schematic Diagram - DMB07 Board (6/6) - ................. 49
7-19. Printed Wiring Board - Video Board - .......................... 50
7-20. Schematic Diagram - Video Board - ............................. 51
7-21. Printed Wiring Boards - Main Board - .......................... 52
7-22. Schematic Diagram - Main Board (1/4) - ..................... 53
7-23. Schematic Diagram - Main Board (2/4) - ..................... 54
7-24. Schematic Diagram - Main Board (3/4) - ..................... 55
7-25. Schematic Diagram - Main Board (4/4) - ..................... 56
7-26. Printed Wiring Board - Panel Board - ........................... 57
7-27. Schematic Diagram - Panel Board (1/2) - .................... 58
7-28. Schematic Diagram - Panel Board (2/2) - .................... 59
7-29. Printed Wiring Boards
- Game, CD SW Board - ................................................ 60
7-30. Schematic Diagram
- Game, CD SW Board - ................................................ 61
7-31. Printed Wiring Board - PA Board - ............................... 62
7-32. Schematic Diagram - PA Board - .................................. 63
7-33. Printed Wiring Board - Surround Board - ..................... 64
7-34. Schematic Diagram - Surround Board - ........................ 65
7-35. Printed Wiring Boards - Primary Board - ..................... 66
7-36. Schematic Diagram - Primary Board - .......................... 67
7-37. Circuit Board Location .................................................... 68
7-38. IC Block Diagram ........................................................... 69
8. EXPLODED VIEWS
8-1. Case, Rear Panel Section ................................................. 85
8-2. Front Panel Section ......................................................... 86
8-3. Chassis Section ................................................................ 87
8-4. DVD Mechanism Deck Section-1
(CDM74D2-DVBU62) ................................................... 88
8-5. DVD Mechanism Deck Section-2
(CDM74D2-DVBU62) ................................................... 89
9. ELECTRICAL PARTS LIST
HCD-GN90D/GN100D
................................ 90
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