Read Sony HCD-GTX777 / HCD-GTX888 / MHC-GTX777 / MHC-GTX888 Service Manual online
5
HCD-GTX777/GTX787/GTX888
TABLE OF CONTENTS
1. GENERAL
Guide to parts and controls ...................................................... 6
2. DISASSEMBLY
2-1. Case (Top) .......................................................................... 13
2-2. Loading Panel .................................................................... 13
2-3. CD Block Section .............................................................. 14
2-4. Front Panel Section ............................................................ 14
2-5. Tape Mechanism Deck, Mic Board,
USB Connector Board ....................................................... 15
2-6. Panel Board, Function Board, Jog Board .......................... 15
2-7. CD-SW Board .................................................................... 16
2-8. Cover (CDM) ..................................................................... 16
2-9. Tuner Pack ......................................................................... 17
2-10. Back Panel Section, Sub Trans Board ............................... 17
2-11. Main Board ....................................................................... 18
2-12. Power Board Section ......................................................... 18
2-13. Subwoofer Board, Power Board ........................................ 19
2-14. Power Transformer (T1200) .............................................. 19
2-15. BD93 Board ....................................................................... 20
2-16. Driver Board, SW Board, USB Board ............................... 20
2-17. Optical Pick-up .................................................................. 21
2-18. Sensor Board ...................................................................... 21
2-19. Motor (TB) Board .............................................................. 22
2-20. Motor (LD) Board ............................................................. 22
2-2. Loading Panel .................................................................... 13
2-3. CD Block Section .............................................................. 14
2-4. Front Panel Section ............................................................ 14
2-5. Tape Mechanism Deck, Mic Board,
USB Connector Board ....................................................... 15
2-6. Panel Board, Function Board, Jog Board .......................... 15
2-7. CD-SW Board .................................................................... 16
2-8. Cover (CDM) ..................................................................... 16
2-9. Tuner Pack ......................................................................... 17
2-10. Back Panel Section, Sub Trans Board ............................... 17
2-11. Main Board ....................................................................... 18
2-12. Power Board Section ......................................................... 18
2-13. Subwoofer Board, Power Board ........................................ 19
2-14. Power Transformer (T1200) .............................................. 19
2-15. BD93 Board ....................................................................... 20
2-16. Driver Board, SW Board, USB Board ............................... 20
2-17. Optical Pick-up .................................................................. 21
2-18. Sensor Board ...................................................................... 21
2-19. Motor (TB) Board .............................................................. 22
2-20. Motor (LD) Board ............................................................. 22
3. TEST MODE
..............................................................
23
4. MECHANICAL ADJUSTMENTS
.........................
27
5. ELECTRICAL ADJUSTMENTS
..........................
28
6. DIAGRAMS
6-1. Block Diagram — RF/Servo Section — ........................... 31
6-2. Block Diagram — Tape/Tuner Section — ......................... 32
6-3. Block Diagram — Main Section — .................................. 33
6-4. Block Diagram — USB Section — ................................... 34
6-5. Block Diagram — AMP/Subwoofer Section — ................ 35
6-6. Block Diagram — Display/Power Section — ................... 36
6-2. Block Diagram — Tape/Tuner Section — ......................... 32
6-3. Block Diagram — Main Section — .................................. 33
6-4. Block Diagram — USB Section — ................................... 34
6-5. Block Diagram — AMP/Subwoofer Section — ................ 35
6-6. Block Diagram — Display/Power Section — ................... 36
6-7. Circuit Boards Location ..................................................... 37
6-8. Printed Wiring Board — BD93 Board — ......................... 40
6-9. Schematic Diagram — BD93 Board — ............................ 41
6-10. Printed Wiring Boards — Driver Board — ....................... 42
6-11. Schematic Diagram — Driver Board — ........................... 43
6-12. Printed Wiring Board — Main Board — ........................... 44
6-13. Schematic Diagram — Main Board (1/4) — ..................... 45
6-14. Schematic Diagram — Main Board (2/4) — ..................... 46
6-15. Schematic Diagram — Main Board (3/4) — ..................... 47
6-16. Schematic Diagram — Main Board (4/4) — ..................... 48
6-17. Printed Wiring Board — USB Board — ........................... 49
6-18. Schematic Diagram — USB Board — .............................. 50
6-19. Printed Wiring Board — Panel Function Board — ........... 51
6-20. Schematic Diagram — Panel Function Board — .............. 52
6-21. Printed Wiring Board — Power Board — ......................... 53
6-22. Schematic Diagram — Power Board — ............................ 54
6-23. Printed Wiring Board — Sub Woofer Board — ................ 55
6-24. Schematic Diagram — Sub Woofer Board — ................... 56
6-25. Printed Wiring Boards — Trans Board — ......................... 57
6-26. Schematic Diagram — Trans Board — ............................. 58
6-27. Printed Wiring Board — Illumination Board — ............... 59
6-28. Schematic Diagram — Illumination Board — .................. 60
6-29. Printed Wiring Board — MIC Board — ........................... 61
6-30. Schematic Diagram — MIC Board — .............................. 62
6-31. Printed Wiring Boards — TC Board — ............................ 63
6-32. Schematic Diagram — TC Board — ................................. 64
6-33. Printed Wiring Boards — Meter Display Board — .......... 65
6-34. Schematic Diagram — Meter Display Board — ............... 66
6-8. Printed Wiring Board — BD93 Board — ......................... 40
6-9. Schematic Diagram — BD93 Board — ............................ 41
6-10. Printed Wiring Boards — Driver Board — ....................... 42
6-11. Schematic Diagram — Driver Board — ........................... 43
6-12. Printed Wiring Board — Main Board — ........................... 44
6-13. Schematic Diagram — Main Board (1/4) — ..................... 45
6-14. Schematic Diagram — Main Board (2/4) — ..................... 46
6-15. Schematic Diagram — Main Board (3/4) — ..................... 47
6-16. Schematic Diagram — Main Board (4/4) — ..................... 48
6-17. Printed Wiring Board — USB Board — ........................... 49
6-18. Schematic Diagram — USB Board — .............................. 50
6-19. Printed Wiring Board — Panel Function Board — ........... 51
6-20. Schematic Diagram — Panel Function Board — .............. 52
6-21. Printed Wiring Board — Power Board — ......................... 53
6-22. Schematic Diagram — Power Board — ............................ 54
6-23. Printed Wiring Board — Sub Woofer Board — ................ 55
6-24. Schematic Diagram — Sub Woofer Board — ................... 56
6-25. Printed Wiring Boards — Trans Board — ......................... 57
6-26. Schematic Diagram — Trans Board — ............................. 58
6-27. Printed Wiring Board — Illumination Board — ............... 59
6-28. Schematic Diagram — Illumination Board — .................. 60
6-29. Printed Wiring Board — MIC Board — ........................... 61
6-30. Schematic Diagram — MIC Board — .............................. 62
6-31. Printed Wiring Boards — TC Board — ............................ 63
6-32. Schematic Diagram — TC Board — ................................. 64
6-33. Printed Wiring Boards — Meter Display Board — .......... 65
6-34. Schematic Diagram — Meter Display Board — ............... 66
7. EXPLODED VIEWS
7-1. Main Section ...................................................................... 80
7-2. Back Panel Section ............................................................ 81
7-3. Front Panel Section (1) ...................................................... 82
7-4. Front Panel Section (2) ...................................................... 83
7-5. Meter Display Assy ........................................................... 84
7-6. Chassis Section .................................................................. 85
7-7. CD Mechanism Section (1) ............................................... 86
7-8. CD Mechanism Section (2) ............................................... 87
7-2. Back Panel Section ............................................................ 81
7-3. Front Panel Section (1) ...................................................... 82
7-4. Front Panel Section (2) ...................................................... 83
7-5. Meter Display Assy ........................................................... 84
7-6. Chassis Section .................................................................. 85
7-7. CD Mechanism Section (1) ............................................... 86
7-8. CD Mechanism Section (2) ............................................... 87
8. ELECTRICAL PARTS LIST
.................................
88
Click on the first or last page to see other HCD-GTX777 / HCD-GTX888 / MHC-GTX777 / MHC-GTX888 service manuals if exist.