HCD-GPX555/GPX888
3
TABLE OF CONTENTS
1. SERVICING
NOTES
................................................ 4
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 7
2-2. Side-L Panel, Side-R Panel, Top Panel ........................... 8
2-3. Loading
Panel
................................................................. 8
2-4. Front Panel Section ......................................................... 9
2-5. CD Mechanism Section (CDM90-DVBU204//M) ......... 9
2-6. Back Panel Section ......................................................... 10
2-7. MB Board, DAMP Board ............................................... 10
2-8. SWITCHING REGULATOR (3H401W) ....................... 11
2-9. Service Optical Device, Wire (Flat Type) ....................... 12
3.
TEST MODE
............................................................. 13
4.
ELECTRICAL CHECK
.......................................... 16
5. TROUBLESHOOTING
........................................... 17
6. DIAGRAMS
6-1. Block Diagram - RS SERVO, USB Section - ................. 23
6-2. Block Diagram - MAIN Section - ................................... 24
6-3. Block Diagram - AMP Section - ..................................... 25
6-4. Block
Diagram
- PANEL/POWER SUPPLY Section - ............................ 26
6-5. Printed
Wiring
Board
- MB Board (Component side) - ..................................... 28
6-6. Printed
Wiring
Board
- MB Board (Conductor side) - ....................................... 29
6-7. Schematic Diagram - MB Board (1/9) - ......................... 30
6-8. Schematic Diagram - MB Board (2/9) - ......................... 31
6-9. Schematic Diagram - MB Board (3/9) - ......................... 32
6-10. Schematic Diagram - MB Board (4/9) - ......................... 33
6-11. Schematic Diagram - MB Board (5/9) - ......................... 34
6-12. Schematic Diagram - MB Board (6/9) - ......................... 35
6-13. Schematic Diagram - MB Board (7/9) - ......................... 36
6-14. Schematic Diagram - MB Board (8/9) - ......................... 37
6-15. Schematic Diagram - MB Board (9/9) - ......................... 38
6-16. Printed Wiring Board - DAMP Board - .......................... 39
6-17. Schematic Diagram - DAMP Board (1/2) - .................... 40
6-18. Schematic Diagram - DAMP Board (2/2) - .................... 41
6-19. Printed Wiring Board
- FL Board (Component side) - ....................................... 42
6-20. Printed Wiring Board
- FL Board (Conductor side) -......................................... 43
6-21. Schematic Diagram - FL Board - .................................... 44
6-22. Printed Wiring Board - DJ KEYS Board - ..................... 45
6-23. Schematic Diagram - DJ KEYS Board - ........................ 46
6-24. Printed Wiring Board - USB Board - .............................. 47
6-25. Schematic Diagram - USB Board - ................................. 48
6-26. Printed Wiring Board - TUNER Board - ........................ 49
6-27. Schematic Diagram - TUNER Board - ........................... 50
7.
EXPLODED VIEWS
7-1. Side Panel Section .......................................................... 65
7-2. Back Panel Section ......................................................... 66
7-3. Front Panel Section ......................................................... 67
7-4. MB Board Section .......................................................... 68
7-5. Chassis
Section
............................................................... 69
7-6. CD Mechanism Section
(CDM90-DVBU204//M) ................................................ 70
8.
ELECTRICAL PARTS LIST
............................... 71
