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HCD-GT22/GT44/GT55
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
4
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
7
3-2.
Case (Side-L), Case (Side-R) ..........................................
8
3-3.
Case (Top) .......................................................................
8
3-4.
Lid (CD) ..........................................................................
9
3-5.
CD Mechanism Deck, USB board ..................................
9
3-6.
Front Panel Block ............................................................ 10
3-7.
Mecha Deck (CWN42FF609) ......................................... 10
3-8.
Back Panel Block ............................................................ 11
3-9.
MAIN Board .................................................................... 11
3-10. CD Board ......................................................................... 12
3-11. DRIVER Board, SW Board ............................................. 12
3-12. Optical Pick-up Block (KSM-213D) ............................... 13
3-13. SENSOR Board ............................................................... 13
3-14. MOTOR (TB) Board ....................................................... 14
3-15. MOTOR (LD) Board ....................................................... 14
3-11. DRIVER Board, SW Board ............................................. 12
3-12. Optical Pick-up Block (KSM-213D) ............................... 13
3-13. SENSOR Board ............................................................... 13
3-14. MOTOR (TB) Board ....................................................... 14
3-15. MOTOR (LD) Board ....................................................... 14
4.
TEST MODE
.............................................................. 15
5.
MECHANICAL ADJUSTMENTS
....................... 19
6.
ELECTRICAL ADJUSTMENTS
......................... 20
7.
DIAGRAMS
7-1.
Block Diagram – CD SERVO, USB Section – ............... 23
7-2.
Block Diagram – MAIN Section – .................................. 24
7-3.
Block Diagram – AMP Section – .................................... 25
7-4.
Block Diagram – PANEL, POWER AMP Section – ....... 26
7-5.
Printed Wiring Board – CD Board – ............................... 28
7-6.
Schematic Diagram – CD Board – .................................. 29
7-7.
Printed Wiring Boards – CHANGER Section – .............. 30
7-8.
Schematic Diagram – CHANGER Section – .................. 31
7-9.
Printed Wiring Board – USB Board – ............................. 32
7-10. Schematic Diagram – USB Board – ................................ 33
7-11. Printed Wiring Board – TC Board – ................................ 34
7-12. Schematic Diagram – TC Board – .................................. 35
7-13. Printed Wiring Boards – MAIN Section – ...................... 37
7-14. Schematic Diagram – MAIN Section (1/4) – .................. 38
7-15. Schematic Diagram – MAIN Section (2/4) – .................. 39
7-16. Schematic Diagram – MAIN Section (3/4) – .................. 40
7-17. Schematic Diagram – MAIN Section (4/4) – .................. 41
7-18. Printed Wiring Board – MIC Board – ............................. 42
7-19. Schematic Diagram – MIC Board – ................................ 43
7-20. Printed Wiring Board
7-11. Printed Wiring Board – TC Board – ................................ 34
7-12. Schematic Diagram – TC Board – .................................. 35
7-13. Printed Wiring Boards – MAIN Section – ...................... 37
7-14. Schematic Diagram – MAIN Section (1/4) – .................. 38
7-15. Schematic Diagram – MAIN Section (2/4) – .................. 39
7-16. Schematic Diagram – MAIN Section (3/4) – .................. 40
7-17. Schematic Diagram – MAIN Section (4/4) – .................. 41
7-18. Printed Wiring Board – MIC Board – ............................. 42
7-19. Schematic Diagram – MIC Board – ................................ 43
7-20. Printed Wiring Board
– AMP Board (GT22/GT55) – ........................................ 44
7-21. Schematic Diagram – AMP Board (GT22/GT55) – ........ 45
7-22. Printed Wiring Board – AMP Board (GT44) – ............... 46
7-23. Schematic Diagram – AMP Board (GT44) – .................. 47
7-22. Printed Wiring Board – AMP Board (GT44) – ............... 46
7-23. Schematic Diagram – AMP Board (GT44) – .................. 47
7-24. Printed Wiring Boards
– SUB WOOFER Section (GT44/GT55) – ..................... 48
7-25. Schematic Diagram
– SUB WOOFER Section (GT44/GT55) – ..................... 49
7-26. Printed Wiring Boards – PANEL Section – ..................... 50
7-27. Schematic Diagram – PANEL Section – ......................... 51
7-28. Printed Wiring Boards – KEY Section – ......................... 52
7-29. Schematic Diagram – KEY Section – ............................. 53
7-30. Printed Wiring Board
7-27. Schematic Diagram – PANEL Section – ......................... 51
7-28. Printed Wiring Boards – KEY Section – ......................... 52
7-29. Schematic Diagram – KEY Section – ............................. 53
7-30. Printed Wiring Board
– TRANS Board (GT22/GT55) – .................................... 54
7-31. Schematic Diagram
– TRANS Board (GT22/GT55) – .................................... 55
7-32. Printed Wiring Board – TRANS Board (GT44) – ........... 56
7-34. Schematic Diagram – TRANS Board (GT44) – ............. 57
7-34. Schematic Diagram – TRANS Board (GT44) – ............. 57
8.
EXPLODED VIEWS
8-1.
Case Section .................................................................... 69
8-2.
KEY TOP Board Section ................................................. 70
8-3.
TC Mecha Deck Section .................................................. 71
8-4.
PANEL Board Section ..................................................... 72
8-5.
Front Panel Section ......................................................... 73
8-6.
MAIN Board Section ....................................................... 74
8-7.
POWER Board, SUB WOOFER Board Section ............. 75
8-8.
Chassis Section ................................................................ 76
8-9.
CD Mechanism Deck Section-1
(CDM74KF-K6BD91UR-WOD or
CDM74KFV-K6BD91UR-WOD) ................................... 77
(CDM74KF-K6BD91UR-WOD or
CDM74KFV-K6BD91UR-WOD) ................................... 77
8-10. CD Mechanism Deck Section-2
(CDM74KF-K6BD91UR-WOD or
CDM74KFV-K6BD91UR-WOD) ................................... 78
CDM74KFV-K6BD91UR-WOD) ................................... 78
9.
ELECTRICAL PARTS LIST
................................ 79
Ver. 1.1
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