Read Sony HCD-GN999D / MHC-GN999D / MHC-GN999DS Service Manual online
3
HCD-GN999D
1.
SERVICING NOTES
................................................
4
2.
GENERAL
...................................................................
5
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
7
3-2.
Cabinet Steel case ............................................................
8
3-3.
Loading Panel ..................................................................
8
3-4.
Tuner Pack .......................................................................
9
3-5.
Back Panel, DC Fan (M891) ...........................................
9
3-6.
DVD Mechanism Deck ................................................... 10
3-7.
KARAOKE Board, VIDEO Board, DMB15 Board ........ 10
3-8.
Front Panel Assy .............................................................. 11
3-9.
Tape Mechanism Deck, MIC Board ................................ 11
3-10. PANEL Board, IR Board, VOL Board ............................ 12
3-11. MAIN Board, ADC Board ............................................... 12
3-12. POWER Board ................................................................ 13
3-13. SPEAKER Board, SMASTER Board ............................. 13
3-14. DRIVER Board, SW Board ............................................. 14
3-15. DVD Assy ........................................................................ 14
3-16. Optical pick-up ................................................................ 15
3-17. SENSOR Board ............................................................... 15
3-18. MOTOR (TB) Board ....................................................... 16
3-19. MOTOR (LD) Board ....................................................... 16
3-11. MAIN Board, ADC Board ............................................... 12
3-12. POWER Board ................................................................ 13
3-13. SPEAKER Board, SMASTER Board ............................. 13
3-14. DRIVER Board, SW Board ............................................. 14
3-15. DVD Assy ........................................................................ 14
3-16. Optical pick-up ................................................................ 15
3-17. SENSOR Board ............................................................... 15
3-18. MOTOR (TB) Board ....................................................... 16
3-19. MOTOR (LD) Board ....................................................... 16
4.
TEST MODE
............................................................... 17
5.
MECHANICAL ADJUSTMENTS
......................... 21
6.
ELECTRICAL ADJUSTMENTS
.......................... 22
TABLE OF CONTENTS
7.
DIAGRAMS ..........................................................
25
7-1.
Block Diagram – RF Section – ....................................... 27
7-2.
Block Diagram – Video Section – ................................... 28
7-3.
Block Diagram – Tape/Tuner Section – .......................... 29
7-4.
Block Diagram – Main Section – .................................... 30
7-5.
Block Diagram – AMP Section – .................................... 31
7-6.
Block Diagram – Display/Power Section – ..................... 32
7-7.
Printed Wiring Board – DMB15 Board (Side A) – ......... 33
7-8.
Printed Wiring Board – DMB15 Board (Side B) – ........ 34
7-9.
Schematic Diagram – DMB15 Board (1/4) – ................ 35
7-10. Schematic Diagram – DMB15 Board (2/4) – ................ 36
7-11. Schematic Diagram – DMB15 Board (3/4) – ................ 37
7-12. Schematic Diagram – DMB15 Board (4/4) – ................ 38
7-13. Printed Wiring Boards – CD Mechanism Section – ....... 39
7-14. Schematic Diagram – CD Mechanism Section – .......... 40
7-15. Printed Wiring Board – MAIN Board – .......................... 41
7-16. Schematic Diagram – MAIN Board (1/3) – ................... 42
7-17. Schematic Diagram – MAIN Board (2/3) – ................... 43
7-18. Schematic Diagram – MAIN Board (3/3) – ................... 44
7-19. Printed Wiring Board – Panel Section – .......................... 45
7-20. Schematic Diagram – Panel Section – ........................... 46
7-21. Printed Wiring Boards – MIC, VOL
7-11. Schematic Diagram – DMB15 Board (3/4) – ................ 37
7-12. Schematic Diagram – DMB15 Board (4/4) – ................ 38
7-13. Printed Wiring Boards – CD Mechanism Section – ....... 39
7-14. Schematic Diagram – CD Mechanism Section – .......... 40
7-15. Printed Wiring Board – MAIN Board – .......................... 41
7-16. Schematic Diagram – MAIN Board (1/3) – ................... 42
7-17. Schematic Diagram – MAIN Board (2/3) – ................... 43
7-18. Schematic Diagram – MAIN Board (3/3) – ................... 44
7-19. Printed Wiring Board – Panel Section – .......................... 45
7-20. Schematic Diagram – Panel Section – ........................... 46
7-21. Printed Wiring Boards – MIC, VOL
And SPEAKER Boards – ................................................ 47
7-22. Schematic Diagram – MIC, VOL
And SPEAKER Boards – ................................................ 48
7-23. Printed Wiring Board – ADC Board – ............................. 49
7-24. Schematic Diagram – ADC Board – .............................. 50
7-25. Printed Wiring Board – SMASTER Board (Side A) – .... 51
7-26. Printed Wiring Board – SMASTER Board (Side B) – .... 52
7-27. Schematic Diagram – SMASTER Board (1/3) – ........... 53
7-28. Schematic Diagram – SMASTER Board (2/3) – ........... 54
7-29. Schematic Diagram – SMASTER Board (3/3) – ........... 55
7-30. Printed Wiring Board – VIDEO Board – ........................ 56
7-31. Schematic Diagram – VIDEO Board – .......................... 57
7-32. Printed Wiring Boards – POWER Board – ..................... 58
7-33. Schematic Diagram – POWER Board – ......................... 59
7-34. Printed Wiring Board – KARAOKE Board – ................. 60
7-35. Schematic Diagram – KARAOKE Board – ................... 61
7-36. IC Pin Function Description ............................................ 63
7-24. Schematic Diagram – ADC Board – .............................. 50
7-25. Printed Wiring Board – SMASTER Board (Side A) – .... 51
7-26. Printed Wiring Board – SMASTER Board (Side B) – .... 52
7-27. Schematic Diagram – SMASTER Board (1/3) – ........... 53
7-28. Schematic Diagram – SMASTER Board (2/3) – ........... 54
7-29. Schematic Diagram – SMASTER Board (3/3) – ........... 55
7-30. Printed Wiring Board – VIDEO Board – ........................ 56
7-31. Schematic Diagram – VIDEO Board – .......................... 57
7-32. Printed Wiring Boards – POWER Board – ..................... 58
7-33. Schematic Diagram – POWER Board – ......................... 59
7-34. Printed Wiring Board – KARAOKE Board – ................. 60
7-35. Schematic Diagram – KARAOKE Board – ................... 61
7-36. IC Pin Function Description ............................................ 63
8.
EXPLODED VIEWS
8-1.
Case, Back Panel Section ................................................ 73
8-2.
Front Panel Section ......................................................... 74
8-3.
Chassis Section ................................................................ 75
8-4.
DVD Mechanism Section-1 (CDM74HF-DVBU101) .... 76
8-5.
DVD Mechanism Section-2 (CDM74HF-DVBU101) .... 77
9.
ELECTRICAL PARTS LIST
....................... 78
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