Sony HCD-GNZ55D Service Manual Download

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TABLE OF CONTENTS

HCD-GNZ55D

1. GENERAL

Main Unit ................................................................................ 6
Remote Control ....................................................................... 8

2. DISASSEMBLY

2-1. Cabinet Steel Case ............................................................. 10
2-2. Loading Panel .................................................................... 10
2-3. Front Panel Section ........................................................... 11
2-4. DVD Block Section ........................................................... 11
2-5. Back Panel Section ............................................................ 12
2-6. Main Board, ADC Board .................................................. 12
2-7. Speaker Board, S-Master Board ........................................ 13
2-8. Power Unit ........................................................................ 13
2-9. Tape Mechanism Deck ...................................................... 14
2-10. Holder TC-R Assy, Holder TC-L Assy ............................. 14
2-11. Mic Board ......................................................................... 15
2-12. Video Board ....................................................................... 15
2-13. DMB15 Board ................................................................... 16
2-14. Sensor Board ..................................................................... 16
2-15. Motor (TB) Board ............................................................. 17
2-16. Motor (LD) Board ............................................................. 17
2-17. Pick-Up Unit ..................................................................... 18
2-18. SW Board, Driver Board ................................................... 18

3. TEST MODE

..................................................................... 19

4. MECHANICAL ADJUSTMENTS

............................... 23

5. ELECTRICAL ADJUSTMENTS

................................. 24

6. DIAGRAMS

6-1. Block Diagram — RF/Servo Section — ........................... 27
6-2. Block Diagram — Video Section — ................................. 28
6-3. Block Diagram — Main Section — .................................. 29
6-4. Block Diagram — Audio Section — ................................ 30
6-5. Block Diagram — Function/Power Section — ................. 31
6-6. Circuit Boards Location .................................................... 32
6-7. Printed Wiring Boards — Driver Section — ..................... 34
6-8. Schematic Diagram — Driver Section — ......................... 35

6-9. Printed Wiring Board — DMB15 Section — ................... 36
6-10. Schematic Diagram — DMB15 Section (1/5) — ............. 38
6-11. Schematic Diagram — DMB15 Section (2/5) — ............. 39
6-12. Schematic Diagram — DMB15 Section (3/5) — ............. 40
6-13. Schematic Diagram — DMB15 Section (4/5) — ............. 41
6-14. Schematic Diagram — DMB15 Section (5/5) — ............. 42
6-15. Printed Wiring Board — Main Section — ........................ 43
6-16. Schematic Diagram — Main Section (1/4) — .................. 44
6-17. Schematic Diagram — Main Section (2/4) — .................. 45
6-18. Schematic Diagram — Main Section (3/4) — .................. 46
6-19. Schematic Diagram — Main Section (4/4) — .................. 47
6-20. Printed Wiring Board — S-Master Section — .................. 48
6-21. Schematic Diagram — S-Master Section (1/2) — ............ 50
6-22. Schematic Diagram — S-Master Section (2/2) — ............ 51
6-23. Printed Wiring Board — ADC Section — ........................ 52
6-24. Schematic Diagram — ADC Section — ........................... 53
6-25. Printed Wiring Boards — Panel Section — ...................... 54
6-26. Printed Wiring Board — Volume Section — .................... 55
6-27. Schematic Diagram — Panel Section — .......................... 56
6-28. Printed Wiring Board — Mic Section — .......................... 57
6-29. Schematic Diagram — Mic Section — ............................. 58
6-30. Printed Wiring Board — Video Section — ....................... 59
6-31. Schematic Diagram — Video Section — .......................... 60
6-32. Printed Wiring Board — Speaker Section — ................... 61
6-33. Schematic Diagram — Speaker Section — ...................... 62

7. EXPLODED VIEWS

7-1. Main Section ..................................................................... 75
7-2. Front Panel Section (1) ...................................................... 76
7-3. Front Panel Section (2) ...................................................... 77
7-4. Front Panel Section (3) ...................................................... 78
7-5. Chassis Section ................................................................. 79
7-6. DVD Block Section ........................................................... 80
7-7. DVD Mechanism Deck Section (1) .................................. 81
7-8. DVD Mechanism Deck Section (2) .................................. 82

8. ELECTRICAL PARTS LIST

........................................ 83

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