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MHC-V3/V4D
3
1.
SERVICING NOTES
............................................. 4
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 9
2-2. Side L, R Panel ............................................................... 10
2-3. Top Panel Block .............................................................. 10
2-4. Loading Panel Block ....................................................... 11
2-5. CDM Block ..................................................................... 12
2-6. Back Panel Block ............................................................ 13
2-7. TUNER Board ................................................................ 14
2-8. ARAGON Board ............................................................. 15
2-9. DAMP Board .................................................................. 16
2-10. Chassis Block .................................................................. 17
2-11. Bluetooth Module, SMPS Board .................................... 18
2-12. Front Panel Block ........................................................... 19
2-13. RC-S801/A5 (WW), SPEAKER LED Board,
IR Board, Front Panel Assy ............................................ 20
2-14. Loudspeaker (20 cm) (Woofer) (SP5) ............................. 21
2-15. Loudspeaker (8 cm) (Mid: L-ch) (SP1),
Loudspeaker (8 cm) (Mid: R-ch) (SP3) .......................... 22
2-16. Service, Optical Device(7G), Wire (Flat Type) .............. 23
2-17. Volume Knob Block ........................................................ 24
3.
TEST MODE
............................................................ 25
4.
ELECTRICAL CHECK
......................................... 31
5. TROUBLESHOOTING
.......................................... 33
6. DIAGRAMS
6-1. Block Diagram - CD/USB Section - ............................... 39
6-2. Block Diagram - MAIN Section - ................................... 40
6-3. Block Diagram - AMP Section - ..................................... 41
6-4. Block
Diagram
- PANEL/POWER SUPPLY Section - ............................ 42
6-5. Printed
Wiring
Board
- ARAGON Board (Component Side) - .......................... 44
6-6. Printed Wiring Board
- ARAGON Board (Conductor Side) - ........................... 45
6-7. Schematic Diagram - ARAGON Board (1/6) - ............... 46
6-8. Schematic Diagram - ARAGON Board (2/6) - ............... 47
6-9. Schematic Diagram - ARAGON Board (3/6) - ............... 48
6-10. Schematic Diagram - ARAGON Board (4/6) - ............... 49
6-11. Schematic Diagram - ARAGON Board (5/6) - ............... 50
6-12. Schematic Diagram - ARAGON Board (6/6) - ............... 51
6-13. Printed Wiring Board - PANEL Board - ......................... 52
6-14. Schematic Diagram - PANEL Board - ............................ 53
6-15. Printed Wiring Board -
DAMP Board - .......................... 54
6-16. Schematic Diagram -
DAMP Board - ............................. 55
6-17. Printed Wiring Board - TUNER Board - ........................ 56
6-18. Schematic Diagram -
TUNER Board - ........................... 57
TABLE OF CONTENTS
6-19. Printed Wiring Board -
USB Board - .............................. 58
6-20. Schematic Diagram -
USB Board - ................................ 58
6-21. Printed Wiring Board -
MIC Board (V4D) - .................. 58
6-22. Schematic Diagram -
MIC Board (V4D) - ..................... 59
6-23. Printed Wiring Board -
IR Board - ................................. 60
6-24. Schematic Diagram -
IR Board - .................................... 60
6-25. Printed Wiring Board -
SPEAKER LED Board - ........... 60
6-26. Schematic Diagram -
SPEAKER LED Board - .............. 60
7.
EXPLODED VIEWS
7-1. Side Panel Section .......................................................... 76
7-2. Loading Panel Section .................................................... 77
7-3. Back Panel Section ......................................................... 78
7-4. ARAGON Board Section ................................................ 79
7-5. Chassis
Section
............................................................... 80
7-6. Front Panel Section ......................................................... 81
7-7. Speaker Cabinet Section ................................................. 82
7-8. Top Panel Section ........................................................... 83
7-9. CDM Block Section ........................................................ 84
7-10. CD Mechanism Section
(CDM90-DVBU204//M) ................................................ 85
8.
ELECTRICAL PARTS LIST
.............................. 86
Accessories are given in the last of the electrical parts list.
Ver. 1.5