Read Sony DAV-DX375 / HCD-DX375 Service Manual online
3
HCD-DX375
TABLE OF CONTENTS
1.
SERVICING NOTE
...................................................
4
2.
GENERAL
................................................................... 11
3.
DISASSEMBLY
3-1.
Disassembly Flow ........................................................... 14
3-2.
Case, Front Panel Assy .................................................... 15
3-3.
FL Board, SW Board ....................................................... 16
3-4.
JACK Board, LED Board ................................................ 16
3-5.
DMB12 Board ................................................................. 17
3-6.
I/O Board, Tuner .............................................................. 18
3-7.
SPEAKER Board, D.C. Fan ............................................ 18
3-8.
MAIN Board .................................................................... 19
3-9.
POWER Board ................................................................ 20
3-10. DVD Mechanism Deck (CDM81C-DVBU101) ............. 21
3-11. TRAY .............................................................................. 22
3-12. MOTOR Board M761 (LD/ST Motor),
3-11. TRAY .............................................................................. 22
3-12. MOTOR Board M761 (LD/ST Motor),
M762 (BU U/D Motor) ................................................... 22
3-13. BASE UNIT (DVBU101) ................................................ 23
3-14. Optical Pick-up (KHM-310CAB) ................................... 23
3-15. Gear (Sub Tray 1), Gear (Sub Tray 2) ............................. 24
3-16. Lever Assy ....................................................................... 24
3-17. Stocker Section ................................................................ 25
3-18. Cam (Stocker) .................................................................. 25
3-19. Gear (Stocker 3) .............................................................. 26
3-20. Rotary Encoder (MD) ...................................................... 26
3-21. Gear (BU2) ...................................................................... 27
3-14. Optical Pick-up (KHM-310CAB) ................................... 23
3-15. Gear (Sub Tray 1), Gear (Sub Tray 2) ............................. 24
3-16. Lever Assy ....................................................................... 24
3-17. Stocker Section ................................................................ 25
3-18. Cam (Stocker) .................................................................. 25
3-19. Gear (Stocker 3) .............................................................. 26
3-20. Rotary Encoder (MD) ...................................................... 26
3-21. Gear (BU2) ...................................................................... 27
4.
TEST MODE
............................................................... 28
5.
ELECTRICAL ADJUSTMENT
............................. 32
6.
DIAGRAMS
6-1.
Block Diagram – RF Section – ....................................... 34
6-2.
Block Diagram – AMP Section – ................................... 35
6-3.
Block Diagram – AUDIO Section – ............................... 36
6-4.
Block Diagram – VIDEO Section – ............................... 37
6-5.
Block Diagram – POWER Section – .............................. 38
6-6.
Printed Wiring Board – DMB12 Board (Side A) – ......... 39
6-7.
Printed Wiring Board – DMB12 Board (Side B) – ......... 40
6-8.
Schematic Diagram – DMB12 Board (1/7) – ................. 41
6-9.
Schematic Diagram – DMB12 Board (2/7) – ................. 42
6-10. Schematic Diagram – DMB12 Board (3/7) – ................. 43
6-11. Schematic Diagram – DMB12 Board (4/7) – ................. 44
6-12. Schematic Diagram – DMB12 Board (5/7) – ................. 45
6-13. Schematic Diagram – DMB12 Board (6/7) – ................. 46
6-14. Schematic Diagram – DMB12 Board (7/7) – ................. 47
6-15. Printed Wiring Board – MAIN Board (Side A) – ............ 48
6-16. Printed Wiring Board – MAIN Board (Side B) – ............ 49
6-17. Schematic Diagram – MAIN Board (1/6) – ................... 50
6-18. Schematic Diagram – MAIN Board (2/6) – ................... 51
6-19. Schematic Diagram – MAIN Board (3/6) – ................... 52
6-20. Schematic Diagram – MAIN Board (4/6) – ................... 53
6-21. Schematic Diagram – MAIN Board (5/6) – ................... 54
6-22. Schematic Diagram – MAIN Board (6/6) – ................... 55
6-23. Printed Wiring Board – I/O Board – ............................... 56
6-24. Schematic Diagram – I/O Board – ................................. 57
6-25. Printed Wiring Boards – PANEL Section – ..................... 58
6-26. Schematic Diagram – PANEL Section – ........................ 59
6-27. Printed Wiring Board – SPEAKER Board – ................... 60
6-28. Schematic Diagram – SPEAKER Board – ...................... 60
6-29. Printed Wiring Boards – CD MECHANISM Section – . 61
6-30. Schematic Diagram – CD MECHANISM Section – ..... 62
6-31. Printed Wiring Board – POWER Board – ....................... 63
6-32. Schematic Diagram – POWER Board – ........................ 64
6-11. Schematic Diagram – DMB12 Board (4/7) – ................. 44
6-12. Schematic Diagram – DMB12 Board (5/7) – ................. 45
6-13. Schematic Diagram – DMB12 Board (6/7) – ................. 46
6-14. Schematic Diagram – DMB12 Board (7/7) – ................. 47
6-15. Printed Wiring Board – MAIN Board (Side A) – ............ 48
6-16. Printed Wiring Board – MAIN Board (Side B) – ............ 49
6-17. Schematic Diagram – MAIN Board (1/6) – ................... 50
6-18. Schematic Diagram – MAIN Board (2/6) – ................... 51
6-19. Schematic Diagram – MAIN Board (3/6) – ................... 52
6-20. Schematic Diagram – MAIN Board (4/6) – ................... 53
6-21. Schematic Diagram – MAIN Board (5/6) – ................... 54
6-22. Schematic Diagram – MAIN Board (6/6) – ................... 55
6-23. Printed Wiring Board – I/O Board – ............................... 56
6-24. Schematic Diagram – I/O Board – ................................. 57
6-25. Printed Wiring Boards – PANEL Section – ..................... 58
6-26. Schematic Diagram – PANEL Section – ........................ 59
6-27. Printed Wiring Board – SPEAKER Board – ................... 60
6-28. Schematic Diagram – SPEAKER Board – ...................... 60
6-29. Printed Wiring Boards – CD MECHANISM Section – . 61
6-30. Schematic Diagram – CD MECHANISM Section – ..... 62
6-31. Printed Wiring Board – POWER Board – ....................... 63
6-32. Schematic Diagram – POWER Board – ........................ 64
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 78
7-2.
Front Panel Section ......................................................... 79
7-3.
Chassis Section ................................................................ 80
7-4.
DVD Mechanism Deck Section-1
(CDM81C-DVBU101) .................................................... 81
(CDM81C-DVBU101) .................................................... 81
7-5.
DVD Mechanism Deck Section-2
(CDM81C-DVBU101) .................................................... 82
(CDM81C-DVBU101) .................................................... 82
7-6.
DVD Mechanism Deck Section-3
(CDM81C-DVBU101) .................................................... 83
(CDM81C-DVBU101) .................................................... 83
7-7.
Base Unit (DVBU101) .................................................... 84
8.
ELECTRICAL PARTS LIST
.................................. 85
Ver. 1.4
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