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),
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 (BU1) ...................................................................... 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
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
7-5. DVD Mechanism Deck Section-2
(CDM81C-DVBU101) .................................................... 82
7-6. DVD Mechanism Deck Section-3
(CDM81C-DVBU101) .................................................... 83
7-7. Base Unit (DVBU101) .................................................... 84
8. ELECTRICAL PARTS LIST .................................. 85
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