Read Sony HCD-GT220 / HCD-GT440 / HCD-GT660 / MHC-GT220 / MHC-GT440 / MHC-GT660 Service Manual online
HCD-GT220/GT440/GT660
3
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 R Board .............................. 9
3-6. Front Panel Block ........................................................... 10
3-7. Mecha Deck (CWM42FF609) ........................................ 10
3-8. Back Panel Block ............................................................ 11
3-9. MAIN Board, POWER 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
3-2. Case (Side-L), Case (Side-R) .......................................... 8
3-3. Case (Top) ....................................................................... 8
3-4. LID (CD) ......................................................................... 9
3-5. CD Mechanism Deck, USB R Board .............................. 9
3-6. Front Panel Block ........................................................... 10
3-7. Mecha Deck (CWM42FF609) ........................................ 10
3-8. Back Panel Block ............................................................ 11
3-9. MAIN Board, POWER 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
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
7-2. Block Diagram - MAIN Section - ................................... 24
7-3. Block Diagram - AMP Section - ..................................... 25
7-4. Block
Diagram
- PANEL, POWER SUPPLY Section - ........................... 26
7-5. Printed Wiring Board - CD Board - ................................ 28
7-6. Schematic Diagram - CD Board - ................................... 29
7-7. Printed Wiring Boards - CHANGE Section - ................. 30
7-8. Schematic Diagram - CHANGE Section - ..................... 31
7-9. Printed Wiring Board - USB R Board - .......................... 32
7-10. Schematic Diagram - USB R 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
7-6. Schematic Diagram - CD Board - ................................... 29
7-7. Printed Wiring Boards - CHANGE Section - ................. 30
7-8. Schematic Diagram - CHANGE Section - ..................... 31
7-9. Printed Wiring Board - USB R Board - .......................... 32
7-10. Schematic Diagram - USB R 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
- AMP Board (GT220/GT660) - ..................................... 44
7-21. Schematic Diagram - AMP Board (GT220/GT660) - ..... 45
7-22. Printed Wiring Board - AMP Board (GT440) - .............. 46
7-23. Schematic Diagram - AMP Board (GT440) - ................. 47
7-24. Printed Wiring Boards
7-22. Printed Wiring Board - AMP Board (GT440) - .............. 46
7-23. Schematic Diagram - AMP Board (GT440) - ................. 47
7-24. Printed Wiring Boards
- SUB WOOFER Section (GT440/GT660) - .................. 48
7-25. Schematic Diagram
- SUB WOOFER Section (GT440/GT660) - .................. 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
- TRANSFORMER Board (GT220/GT660) - ................ 54
TABLE OF CONTENTS
7-31. Schematic Diagram
- TRANSFORMER Board (GT220/GT660) - ................ 55
7-32. Printed Wiring Board
- TRANSFORMER Board (GT440) -............................. 56
7-33. Schematic Diagram
- TRANSFORMER Board (GT440) -............................. 57
8.
EXPLODED VIEWS
8-1. Case Section .................................................................... 66
8-2. KEY TOP Board Section ................................................ 67
8-3. TC Mecha Deck Section ................................................. 68
8-4. PANEL Board Section .................................................... 69
8-5. Front Panel Section ......................................................... 70
8-6. MAIN Board Section ...................................................... 71
8-7. POWER Board, SUB WOOFER Board Section ............ 72
8-8. Chassis Section ............................................................... 73
8-9. CD Mechanism Deck, Section-1
(CDM74KF-K6BD91UR-WOD)
8-2. KEY TOP Board Section ................................................ 67
8-3. TC Mecha Deck Section ................................................. 68
8-4. PANEL Board Section .................................................... 69
8-5. Front Panel Section ......................................................... 70
8-6. MAIN Board Section ...................................................... 71
8-7. POWER Board, SUB WOOFER Board Section ............ 72
8-8. Chassis Section ............................................................... 73
8-9. CD Mechanism Deck, Section-1
(CDM74KF-K6BD91UR-WOD)
...................................
74
8-10. CD Mechanism Deck, Section-2
(CDM74KF-K6BD91UR-WOD)
(CDM74KF-K6BD91UR-WOD)
...................................
75
9.
ELECTRICAL PARTS LIST
.............................. 76
Accessories are given in the last of the electrical parts list.
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