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HCD-GTR333/GTR555/GTR777/GTR888
3
TABLE OF CONTENTS
1. SERVICING
NOTES
................................................
4
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 6
2-2. Case
................................................................................. 7
2-3. Loading
Panel
................................................................. 7
2-4. Front Panel Section ......................................................... 8
2-5. TUNER
2-5. TUNER
Board
................................................................ 8
2-6. CD Mechanism Section (CDM74HFV-DVBU101) ....... 9
2-7. MAIN
2-7. MAIN
Board
................................................................... 9
2-8. Back Panel Section ......................................................... 10
2-9. 2CH DAMP Board, 3CH DAMP Board,
2-9. 2CH DAMP Board, 3CH DAMP Board,
4CH DAMP Board .......................................................... 10
2-10. Chassis Section ............................................................... 11
2-11. Cover Dust (CDM) ......................................................... 11
2-12. Optical Device ................................................................ 12
2-13. DMB21 Board ................................................................ 12
2-14. DRIVER Board, SWITCH Board ................................... 13
2-15. SENSOR Board .............................................................. 13
2-16. MOTOR (TB) Board....................................................... 14
2-17. MOTOR (LD) Board ...................................................... 14
2-11. Cover Dust (CDM) ......................................................... 11
2-12. Optical Device ................................................................ 12
2-13. DMB21 Board ................................................................ 12
2-14. DRIVER Board, SWITCH Board ................................... 13
2-15. SENSOR Board .............................................................. 13
2-16. MOTOR (TB) Board....................................................... 14
2-17. MOTOR (LD) Board ...................................................... 14
3.
TEST MODE
............................................................. 15
4.
ELECTRICAL CHECK
.......................................... 16
5. DIAGRAMS
5-1. Block Diagram - USB Section - ..................................... 17
5-2. Block Diagram - RF/SERVO Section - .......................... 18
5-3. Block Diagram - TUNER Section - ................................ 19
5-4. Block Diagram - MAIN Section - ................................... 20
5-5. Block Diagram - DISPLAY Section - ............................. 21
5-6. Block Diagram - DAMP Section (1/2) - ......................... 22
5-7. Block Diagram - DAMP Section (2/2) - ......................... 23
5-8. Printed Wiring Board - DMB21 Board (Side A) ............ 25
5-9. Printed Wiring Board - DMB21 Board (Side B) ............ 26
5-10. Schematic Diagram - DMB21 Board (1/3) - .................. 27
5-11. Schematic Diagram - DMB21 Board (2/3) - .................. 28
5-12. Schematic Diagram - DMB21 Board (3/3) - .................. 29
5-13. Printed Wiring Board - MAIN Board (Side A) ............... 30
5-14. Printed Wiring Board - MAIN Board (Side B) ............... 31
5-15. Schematic Diagram - MAIN Board (1/4) - ..................... 32
5-16. Schematic Diagram - MAIN Board (2/4) - ..................... 33
5-17. Schematic Diagram - MAIN Board (3/4) - ..................... 34
5-18. Schematic Diagram - MAIN Board (4/4) - ..................... 35
5-2. Block Diagram - RF/SERVO Section - .......................... 18
5-3. Block Diagram - TUNER Section - ................................ 19
5-4. Block Diagram - MAIN Section - ................................... 20
5-5. Block Diagram - DISPLAY Section - ............................. 21
5-6. Block Diagram - DAMP Section (1/2) - ......................... 22
5-7. Block Diagram - DAMP Section (2/2) - ......................... 23
5-8. Printed Wiring Board - DMB21 Board (Side A) ............ 25
5-9. Printed Wiring Board - DMB21 Board (Side B) ............ 26
5-10. Schematic Diagram - DMB21 Board (1/3) - .................. 27
5-11. Schematic Diagram - DMB21 Board (2/3) - .................. 28
5-12. Schematic Diagram - DMB21 Board (3/3) - .................. 29
5-13. Printed Wiring Board - MAIN Board (Side A) ............... 30
5-14. Printed Wiring Board - MAIN Board (Side B) ............... 31
5-15. Schematic Diagram - MAIN Board (1/4) - ..................... 32
5-16. Schematic Diagram - MAIN Board (2/4) - ..................... 33
5-17. Schematic Diagram - MAIN Board (3/4) - ..................... 34
5-18. Schematic Diagram - MAIN Board (4/4) - ..................... 35
5-19. Printed Wiring Board - 2CH DAMP Board - .................. 36
5-20. Schematic Diagram - 2CH DAMP Board (1/4) - ............ 37
5-21. Schematic Diagram - 2CH DAMP Board (2/4) - ............ 38
5-22. Schematic Diagram - 2CH DAMP Board (3/4) - ............ 39
5-23. Schematic Diagram - 2CH DAMP Board (4/4) - ............ 40
5-24. Printed Wiring Board - 3CH DAMP Board (Side A)...... 41
5-25. Printed Wiring Board - 3CH DAMP Board (Side B)...... 42
5-26. Schematic Diagram - 3CH DAMP Board (1/4) - ............ 43
5-27. Schematic Diagram - 3CH DAMP Board (2/4) - ............ 44
5-28. Schematic Diagram - 3CH DAMP Board (3/4) - ............ 45
5-29. Schematic Diagram - 3CH DAMP Board (4/4) - ............ 46
5-30. Printed Wiring Board - 4CH DAMP Board (Side A)...... 47
5-31. Printed Wiring Board - 4CH DAMP Board (Side B)...... 48
5-32. Schematic Diagram - 4CH DAMP Board (1/4) - ............ 49
5-33. Schematic Diagram - 4CH DAMP Board (2/4) - ............ 50
5-34. Schematic Diagram - 4CH DAMP Board (3/4) - ............ 51
5-35. Schematic Diagram - 4CH DAMP Board (4/4) - ............ 52
5-36. Printed Wiring Board - DISPLAY Board - ..................... 53
5-37. Schematic Diagram - DISPLAY Board - ........................ 54
5-38. Printed Wiring Board - TUNER Board - ........................ 55
5-39. Schematic Diagram - TUNER Board - ........................... 55
5-40. Printed Wiring Board - MIC Board - .............................. 56
5-41. Schematic Diagram - MIC Board - ................................. 56
5-42. Printed Wiring Board - USB and VOLUME Board - ..... 57
5-43. Schematic Diagram - USB and VOLUME Board - ........ 58
5-44. Printed Wiring Board - DRIVER Board - ....................... 59
5-45. Schematic Diagram - DRIVER Board - ......................... 60
5-20. Schematic Diagram - 2CH DAMP Board (1/4) - ............ 37
5-21. Schematic Diagram - 2CH DAMP Board (2/4) - ............ 38
5-22. Schematic Diagram - 2CH DAMP Board (3/4) - ............ 39
5-23. Schematic Diagram - 2CH DAMP Board (4/4) - ............ 40
5-24. Printed Wiring Board - 3CH DAMP Board (Side A)...... 41
5-25. Printed Wiring Board - 3CH DAMP Board (Side B)...... 42
5-26. Schematic Diagram - 3CH DAMP Board (1/4) - ............ 43
5-27. Schematic Diagram - 3CH DAMP Board (2/4) - ............ 44
5-28. Schematic Diagram - 3CH DAMP Board (3/4) - ............ 45
5-29. Schematic Diagram - 3CH DAMP Board (4/4) - ............ 46
5-30. Printed Wiring Board - 4CH DAMP Board (Side A)...... 47
5-31. Printed Wiring Board - 4CH DAMP Board (Side B)...... 48
5-32. Schematic Diagram - 4CH DAMP Board (1/4) - ............ 49
5-33. Schematic Diagram - 4CH DAMP Board (2/4) - ............ 50
5-34. Schematic Diagram - 4CH DAMP Board (3/4) - ............ 51
5-35. Schematic Diagram - 4CH DAMP Board (4/4) - ............ 52
5-36. Printed Wiring Board - DISPLAY Board - ..................... 53
5-37. Schematic Diagram - DISPLAY Board - ........................ 54
5-38. Printed Wiring Board - TUNER Board - ........................ 55
5-39. Schematic Diagram - TUNER Board - ........................... 55
5-40. Printed Wiring Board - MIC Board - .............................. 56
5-41. Schematic Diagram - MIC Board - ................................. 56
5-42. Printed Wiring Board - USB and VOLUME Board - ..... 57
5-43. Schematic Diagram - USB and VOLUME Board - ........ 58
5-44. Printed Wiring Board - DRIVER Board - ....................... 59
5-45. Schematic Diagram - DRIVER Board - ......................... 60
6.
EXPLODED VIEWS
6-1. Case Section ................................................................... 72
6-2. Front Panel Section ........................................................ 73
6-3. Back Panel Section ......................................................... 74
6-4. Chassis
6-2. Front Panel Section ........................................................ 73
6-3. Back Panel Section ......................................................... 74
6-4. Chassis
Section
............................................................... 75
6-5. CD Mechanism Section (1)
(CDM74HFV-DVBU101) .............................................. 76
6-6. CD Mechanism Section (2) ............................................. 77
7.
ELECTRICAL PARTS LIST
............................... 78
Ver. 1.3
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