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HCD-GZR5D
4
1.
SERVICING NOTES
.............................................. 5
1-1. CDM Service Position .................................................... 5
1-2. Opening The Try Manual ................................................ 5
1-3. Note for Handling The BU ............................................. 6
1-4. Arrangement of The Coad .............................................. 6
2. GENERAL
Guide to Parts and Controls ............................................ 7
3. DISASSEMBLY
3-1. Side Panel (R), Side Panel (L) ........................................ 15
3-2. Top Panel Section ........................................................... 15
3-3. Door
(CD)
....................................................................... 16
3-4. Front Panel Section ........................................................ 16
3-5. Main
Board
..................................................................... 17
3-6. DC
Fan
............................................................................ 17
3-7. Rear
Panel
....................................................................... 18
3-8. AMP
Board
..................................................................... 18
3-9. PT
Board
......................................................................... 19
3-10. Cover (CDM) .................................................................. 19
3-11. DVD Mechanism Section ............................................... 20
3-12. DMB18 Board ................................................................. 20
3-13. Optical Pick-up ............................................................... 21
3-14. Belt (DLM3A) ................................................................ 21
3-15. Mechanism Deck ............................................................ 22
3-16. Belt (Main), Belt (R/F) ................................................... 22
4.
TEST MODE
....................................................... 23
5. MECHANICAL
ADJUSTMENTS
..................... 27
6. ELECTRICAL
ADJUSTMENTS
...................... 27
7. DIAGRAMS
7-1. Block Diagram – RF/Servo Section – ............................. 31
7-2. Block Diagram – Video Section – .................................. 32
7-3. Block Diagram – Main Section – ................................... 33
7-4. Block Diagram – Display Section – ............................... 34
TABLE OF CONTENTS
7-5. Circuit Boards Location .................................................. 36
7-6. Printed Wiring Board – Main Section – .......................... 37
7-7. Schematic Diagram – Main Section (1/3) – .................... 38
7-8. Schematic Diagram – Main Section (2/3) – .................... 39
7-9. Schematic Diagram – Main Section (3/3) – .................... 40
7-10. Schematic Diagram – DMB Section (1/5) – ................... 41
7-11. Schematic Diagram – DMB Section (2/5) – ................... 42
7-12. Schematic Diagram – DMB Section (3/5) – ................... 43
7-13. Schematic Diagram – DMB Section (4/5) – ................... 44
7-14. Schematic Diagram – DMB Section (5/5) – ................... 45
7-15. Printed Wiring Board – DMB Section (1/2) – ................ 46
7-16. Printed Wiring Board – DMB Section (2/2) – ................ 47
7-17. Printed Wiring Board – Deck Section – .......................... 48
7-18. Schematic Diagram – Deck Section – ............................ 49
7-19. Printed Wiring Board – AMP Section – .......................... 50
7-20. Schematic Diagram – AMP Section –............................. 51
7-21. Printed Wiring Boards – USB Section – ......................... 52
7-22. Schematic Diagram – USB Section – ............................. 53
7-23. Printed Wiring Board – Panel Section – ......................... 54
7-24. Schematic Diagram – Panel Section – ............................ 55
7-25. Printed Wiring Boards – Key Section – .......................... 56
7-26. Schematic Diagram – Key Section – .............................. 57
7-27. Printed Wiring Boards – MIC/Jack Section – ................. 58
7-28. Schematic Diagram – MIC Section – ............................. 59
7-29. Schematic Diagram – Jack Section – .............................. 60
7-30. Printed Wiring Board – PT Section – ............................. 61
7-31. Schematic Diagram – PT Section – ................................ 62
7-32. Schematic Diagram – Reg Section – .............................. 63
8.
EXPLODED VIEWS
8-1. Overall
Section
............................................................... 78
8-2. Front Panel Section ......................................................... 79
8-3. Main Board Section ........................................................ 80
8-4. Rear Panel Section .......................................................... 81
8-5. Chassis
Section
............................................................... 82
8-6. Top Panel Section ........................................................... 83
8-7. DVD Mechanism Deck Section ...................................... 84
9.
ELECTRICAL PARTS LIST
............................ 85
Summary of Contents for CDM74HF-DVBU101
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