HCD-C770/C990
4
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION .................................... 2
1. SERVICING NOTES ............................................... 5
2. GENERAL
Location of Controls ...................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow .......................................................... 9
3-2. Front Panel (AL) Section, Side Panel (L)/(R)............... 10
3-3. Mechanism Deck (CDM69-DVBU16) .......................... 10
3-4. POWER SW Board ........................................................ 11
3-5. AUDIO Board, VIDEO Board ....................................... 11
3-6. AMP Board .................................................................... 12
3-7. POWER Board ............................................................... 12
3-8. DVD Board..................................................................... 13
3-9. Optical Pick-up (DVBU16) ........................................... 13
3-10. Pick-up Unit (TDP022W) .............................................. 14
3-11. SW Board, Bracket (Top) assy ...................................... 14
3-12. RELAY Board ................................................................ 15
3-13. Motor (Stocker) Assy (Stocker) (M781) ....................... 15
3-14. Motor (Stocker) Assy (Roller) (M771) ......................... 16
3-15. Motor (Stocker) Assy (Mode) (M761) .......................... 16
3-16. Rubber Roller (Slider) Assy .......................................... 17
3-17. Timing Belt (Front/Rear) ............................................... 17
3-18. Cam (Gear) ..................................................................... 18
3-19. SENSOR Board.............................................................. 18
4. ASSEMBLY
4-1. How to Install the Cam (Eject Lock) ............................. 19
4-2. How to Install the Cam (Gear)....................................... 19
4-3. How to Install the Gear (Mode 2) .................................. 20
4-4. How to Install the Gear (Mode Cam) ............................ 20
4-5. How to Install the Rotary Encoder (S702),
Gear (Stocker Communication) ..................................... 21
4-6. How to Install the Cam (Stocker U/D) .......................... 21
4-7. How to Install the Stocker Assy..................................... 22
4-8. Phase Adjustment Between Pinions (Slider)
And Slider-1 to 5 (L/R).................................................. 23
5. TEST MODE............................................................. 24
6. ELECTRICAL ADJUSTMENT........................... 31
7. DIAGRAMS
7-1. Block Diagram – RF SERVO Section – ....................... 32
7-2. Block Diagram – AUDIO (DSP) Section – .................. 33
7-3. Block Diagram – AUDIO OUT, PANEL Section – ..... 34
7-4. Block Diagram – VIDEO Section – ............................. 35
7-5. Block Diagram
– CHANGER, POWER SUPPLY Section – ................. 36
7-6. Note for Printed Wiring Boards and
Schematic Diagrams ...................................................... 37
7-7. Printed Wiring Boards – RF Section – ......................... 38
7-8. Schematic Diagram – RF Section –.............................. 39
7-9. Printed Wiring Boards – CHANGER Section –........... 40
7-10. Schematic Diagram – CHANGER Section – ............... 41
7-11. Printed Wiring Board
– DVD Board (Component Side) – ............................... 42
7-12. Printed Wiring Board
– DVD Board (Conductor Side) – ................................. 43
7-13. Schematic Diagram – DVD Board (1/10) – ................. 44
7-14. Schematic Diagram – DVD Board (2/10) – ................. 45
7-15. Schematic Diagram – DVD Board (3/10) – ................. 46
7-16. Schematic Diagram – DVD Board (4/10) – ................. 47
7-17. Schematic Diagram – DVD Board (5/10) – ................. 48
7-18. Schematic Diagram – DVD Board (6/10) – ................. 49
7-19. Schematic Diagram – DVD Board (7/10) – ................. 50
7-20. Schematic Diagram – DVD Board (8/10) – ................. 51
7-21. Schematic Diagram – DVD Board (9/10) – ................. 52
7-22. Schematic Diagram – DVD Board (10/10) – ............... 53
7-23. Printed Wiring Board – AMP Section (1/2) – .............. 54
7-24. Printed Wiring Boards – AMP Section (2/2) –............. 55
7-25. Schematic Diagram – AMP Section (1/2) – ................. 56
7-26. Schematic Diagram – AMP Section (2/2) – ................. 57
7-27. Printed Wiring Boards – AUDIO Section – ................. 58
7-28. Schematic Diagram – AUDIO Section – ...................... 59
7-29. Printed Wiring Board – VIDEO Section – ................... 60
7-30. Schematic Diagram – VIDEO Section – ...................... 61
7-31. Printed Wiring Boards
– DC-DC CONVERTER Section – ............................... 62
7-32. Schematic Diagram
– DC-DC CONVERTER Section – ............................... 63
7-33. Printed Wiring Boards – CONTROL Section – ........... 64
7-34. Schematic Diagram – CONTROL Section –................ 65
7-35. Printed Wiring Board – FL Board – ............................. 66
7-36. Schematic Diagram – FL Board – ................................ 67
7-37. Printed Wiring Boards – POWER Section (1/2) – ....... 68
7-38. Printed Wiring Boards – POWER Section (2/2) – ....... 69
7-39. Schematic Diagram – POWER Section – .................... 70
7-40. IC Pin Function Description .......................................... 88
8. EXPLODED VIEWS
8-1. General Section ............................................................. 107
8-2. Front Panel Section-1.................................................... 108
8-3. Front Panel Section-2.................................................... 109
8-4. Chassis Section-1 .......................................................... 110
8-5. Chassis Section-2 .......................................................... 111
8-6. Chassis Section-3 .......................................................... 112
8-7. Mechanism Deck Section-1 (CDM69-DVBU16) ........ 113
8-8. Mechanism Deck Section-2 (CDM69-DVBU16) ........ 114
8-9. Mechanism Deck Section-3 (CDM69-DVBU16) ........ 115
8-10. Mechanism Deck Section-4 (CDM69-DVBU16) ........ 116
8-11. Mechanism Deck Section-5 (CDM69-DVBU16) ........ 117
8-12. Mechanism Deck Section-6 (CDM69-DVBU16) ........ 118
8-13. Optical Pick-up Section (DVBU16) ............................. 119
9. ELECTRICAL PARTS LIST ............................. 120
Ver 1.5
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