Sony HCD-GNZ7D / HCD-GNZ8D / HCD-GNZ9D / MHC-GNZ7D / MHC-GNZ8D / MHC-GNZ9D Service Manual ▷ View online
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TABLE OF CONTENTS
HCD-GNZ7D/GNZ8D/GNZ9D
7. DIAGRAMS
7-1. Block Diagram — RF/Servo Section — ............................. 35
7-2. Block Diagram — Video Section — ................................... 36
7-3. Block Diagram — Audio Section — .................................. 37
7-4. Block Diagram — Main Section — .................................... 38
7-5. Block Diagram — Function/Power Section — ................... 39
7-6. Printed Wiring Boards — Driver Section — ....................... 41
7-7. Schematic Diagram — Driver Section — ........................... 42
7-8. Printed Wiring Board — DMB10 Section (Side A) — ....... 43
7-9. Printed Wiring Board — DMB10 Section (Side B) — ....... 44
7-10. Schematic Diagram — DMB10 Section (1/4) — ............. 45
7-11. Schematic Diagram — DMB10 Section (2/4) — ............. 46
7-12. Schematic Diagram — DMB10 Section (3/4) — ............. 47
7-13. Schematic Diagram — DMB10 Section (4/4) — ............. 48
7-14. Printed Wiring Board — Audio Section — ....................... 49
7-15. Schematic Diagram — Audio Section (1/3) — ................. 50
7-16. Schematic Diagram — Audio Section (2/3) — ................. 51
7-17. Schematic Diagram — Audio Section (3/3) — ................. 52
7-18. Printed Wiring Board — Video Section — ....................... 53
7-19. Schematic Diagram — Video Section — .......................... 54
7-20. Printed Wiring Board — Front AMP Section — .............. 55
7-21. Schematic Diagram — Front AMP Section — ................. 56
7-22. Printed Wiring Boards — Panel Section — ...................... 57
7-23. Schematic Diagram — Panel Section (1/2) — ................. 58
7-24. Schematic Diagram — Panel Section (2/2) — ................. 59
7-25. Printed Wiring Board — Jack Section — ......................... 60
7-26. Schematic Diagram — Jack Section — ............................ 61
7-27. Printed Wiring Board — Surround AMP Section —
7-2. Block Diagram — Video Section — ................................... 36
7-3. Block Diagram — Audio Section — .................................. 37
7-4. Block Diagram — Main Section — .................................... 38
7-5. Block Diagram — Function/Power Section — ................... 39
7-6. Printed Wiring Boards — Driver Section — ....................... 41
7-7. Schematic Diagram — Driver Section — ........................... 42
7-8. Printed Wiring Board — DMB10 Section (Side A) — ....... 43
7-9. Printed Wiring Board — DMB10 Section (Side B) — ....... 44
7-10. Schematic Diagram — DMB10 Section (1/4) — ............. 45
7-11. Schematic Diagram — DMB10 Section (2/4) — ............. 46
7-12. Schematic Diagram — DMB10 Section (3/4) — ............. 47
7-13. Schematic Diagram — DMB10 Section (4/4) — ............. 48
7-14. Printed Wiring Board — Audio Section — ....................... 49
7-15. Schematic Diagram — Audio Section (1/3) — ................. 50
7-16. Schematic Diagram — Audio Section (2/3) — ................. 51
7-17. Schematic Diagram — Audio Section (3/3) — ................. 52
7-18. Printed Wiring Board — Video Section — ....................... 53
7-19. Schematic Diagram — Video Section — .......................... 54
7-20. Printed Wiring Board — Front AMP Section — .............. 55
7-21. Schematic Diagram — Front AMP Section — ................. 56
7-22. Printed Wiring Boards — Panel Section — ...................... 57
7-23. Schematic Diagram — Panel Section (1/2) — ................. 58
7-24. Schematic Diagram — Panel Section (2/2) — ................. 59
7-25. Printed Wiring Board — Jack Section — ......................... 60
7-26. Schematic Diagram — Jack Section — ............................ 61
7-27. Printed Wiring Board — Surround AMP Section —
(HCD-GNZ8D/GNZ9D) ................................................... 62
7-28. Schematic Diagram — Surround AMP Section —
(HCD-GNZ8D/GNZ9D) ................................................... 63
7-29. Printed Wiring Board — Subwoofer Section —
(HCD-GNZ9D) ................................................................. 64
7-30. Schematic Diagram — Subwoofer Section —
(HCD-GNZ9D) ................................................................. 65
7-31. Printed Wiring Board — Trans Section — ....................... 66
7-32. Printed Wiring Board — Sub Trans Section — ................ 67
7-33. Schematic Diagram — Power Section — ......................... 68
7-32. Printed Wiring Board — Sub Trans Section — ................ 67
7-33. Schematic Diagram — Power Section — ......................... 68
8. EXPLODED VIEWS
8-1. Main Section ....................................................................... 71
8-2. Front Panel Section (1) ........................................................ 72
8-3. Front Panel Section (2) ........................................................ 73
8-4. Front Panel Section (3) ........................................................ 74
8-5. DVD Block Section ............................................................. 75
8-6. Chassis Section ................................................................... 76
8-7. Audio Board Section ........................................................... 77
8-8. DVD Mechanism Deck Section (1) .................................... 78
8-9. DVD Mechanism Deck Section (2) .................................... 79
8-2. Front Panel Section (1) ........................................................ 72
8-3. Front Panel Section (2) ........................................................ 73
8-4. Front Panel Section (3) ........................................................ 74
8-5. DVD Block Section ............................................................. 75
8-6. Chassis Section ................................................................... 76
8-7. Audio Board Section ........................................................... 77
8-8. DVD Mechanism Deck Section (1) .................................... 78
8-9. DVD Mechanism Deck Section (2) .................................... 79
9. ELECTRICAL PARTS LIST
......................................... 80
1. SERVICE NOTE
1-1. Service Position of CDM ...................................................... 6
1-2. Service Position of DMB10 Board, Video Board ................. 6
1-3. Service Position of TCM ....................................................... 7
1-4. Service Position of Front AMP Board .................................. 7
1-5. Service Position of Subwoofer Board ................................... 8
1-2. Service Position of DMB10 Board, Video Board ................. 6
1-3. Service Position of TCM ....................................................... 7
1-4. Service Position of Front AMP Board .................................. 7
1-5. Service Position of Subwoofer Board ................................... 8
2. GENERAL
Main Unit ................................................................................ 9
Remote Control ..................................................................... 10
Remote Control ..................................................................... 10
3. DISASSEMBLY
3-1. Case ..................................................................................... 12
3-2. Loading Panel Assy ............................................................. 12
3-3. Front Panel Section ............................................................. 13
3-4. DVD Block Section ............................................................. 13
3-5. Tape Mechanism Section .................................................... 14
3-6. Panel Board ......................................................................... 14
3-7. Jack Board ........................................................................... 15
3-8. Back Panel Section .............................................................. 15
3-9. Boards Section .................................................................... 16
3-10. Audio Board (HCD-GNZ8D/GNZ9D) ............................. 16
3-11. Audio Board (HCD-GNZ7D) ............................................ 17
3-12. Surround AMP Board (HCD-GNZ8D/GNZ9D),
3-2. Loading Panel Assy ............................................................. 12
3-3. Front Panel Section ............................................................. 13
3-4. DVD Block Section ............................................................. 13
3-5. Tape Mechanism Section .................................................... 14
3-6. Panel Board ......................................................................... 14
3-7. Jack Board ........................................................................... 15
3-8. Back Panel Section .............................................................. 15
3-9. Boards Section .................................................................... 16
3-10. Audio Board (HCD-GNZ8D/GNZ9D) ............................. 16
3-11. Audio Board (HCD-GNZ7D) ............................................ 17
3-12. Surround AMP Board (HCD-GNZ8D/GNZ9D),
Subwoofer Board (HCD-GNZ9D) .................................... 17
3-13. DVD Mechanism Block, Video Board, DMB10 Board .... 18
3-14. Pick-up Unit ...................................................................... 18
3-15. SW Board, Driver Board ................................................... 19
3-16. Sensor Board ..................................................................... 19
3-17. Motor (TB) Board ............................................................. 20
3-18. Motor (LD) Board ............................................................. 20
3-14. Pick-up Unit ...................................................................... 18
3-15. SW Board, Driver Board ................................................... 19
3-16. Sensor Board ..................................................................... 19
3-17. Motor (TB) Board ............................................................. 20
3-18. Motor (LD) Board ............................................................. 20
4. TEST MODE
4-1. General Description ............................................................ 22
4-2. Starting Test Mode .............................................................. 22
4-3. Drive Manual Operation ...................................................... 22
4-4. Mirror Time Adjustment ..................................................... 22
4-5. Executing IOP Measurement .............................................. 24
4-2. Starting Test Mode .............................................................. 22
4-3. Drive Manual Operation ...................................................... 22
4-4. Mirror Time Adjustment ..................................................... 22
4-5. Executing IOP Measurement .............................................. 24
5. MECHANICAL ADJUSTMENTS
............................... 25
6. ELECTRICAL ADJUSTMENTS
................................. 26
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HCD-GNZ7D/GNZ8D/GNZ9D
1-2. SERVICE POSITION OF DMB10 BOARD, VIDEO BOARD
1-1. SERVICE POSITION OF CDM
SECTION 1
SERVICE NOTE
stand
DVD mechanism block
PANEL board
DMB10 board
VIDEO board
J-2501-102-A
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HCD-GNZ7D/GNZ8D/GNZ9D
1-4. SERVICE POSITION OF FRONT AMP BOARD
1-3. SERVICE POSITION OF TCM
earth is taken
FRONT AMP board
insulating plate
AUDIO board
earth is taken
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HCD-GNZ7D/GNZ8D/GNZ9D
1-5. SERVICE POSITION OF SUBWOOFER BOARD
insulating plate
SUBWOOFER board
FRONT AMP board
AUDIO board
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