Table Of Contents - Sony HCD-GX25 Service Manual

HCD-GX25/RG220
1. GENERAL
Main Unit ................................................................................ 5
Remote Control ....................................................................... 6
2. DISASSEMBLY
2-1. Case (Top) ........................................................................... 9
2-2. CD Door .............................................................................. 9
2-3. CD Mechanism Block ....................................................... 10
2-4. Front Panel Section ........................................................... 11
2-5. Tape Mechanism Deck ...................................................... 12
2-6. Panel Board, 1 Stream Led Board, Remote Board ............ 12
2-7. Game Jack Board, H/P Jack Board ................................... 13
2-8. Back Panel Section ............................................................ 13
2-9. Main Board ....................................................................... 14
2-10. Power Amp Board ............................................................. 14
2-11. SW Board, Driver Board ................................................... 15
2-12. Base Unit ........................................................................... 15
2-13. Sensor Board ..................................................................... 16
2-14. Motor (TB) Board ............................................................. 17
2-15. Motor (LD) Board ............................................................. 17
2-16. BD Board .......................................................................... 18
3. TEST MODE
..................................................................... 19
4. ELECTRICAL ADJUSTMENTS
5. DIAGRAMS
5-1. IC Pin Descriptions ........................................................... 23
5-2. Block Diagram -CD Section- ........................................... 27
5-3. Block Diagram -Tuner/Tape/Panel Section- .................... 28
5-4. Block Diagram -Amp/Power Supply Section- ................. 29
5-5. Note for Printed Wiring Boards
and Schematic Diagrams .................................................. 30
5-6. Waveforms ......................................................................... 30
5-7. Circuit Boards Location .................................................... 30
5-8. Printed Wiring Board -CD Mechanism Section (1/2)
(HCD-GX25/RG220: Except AEP, UK, Russia Model)- . 31
5-9. Printed Wiring Board -CD Mechanism Section (1/2)
(HCD-RG220: AEP, UK, Russia Model)- ........................ 32
5-10. Schematic Diagram -CD Mechanism Section (1/2)- ....... 33
5-11. Printed Wiring Boards -CD Mechanism Section (2/2)- ... 34
5-12. Schematic Diagram -CD Mechanism Section (2/2)- ....... 35
5-13. Schematic Diagram -Main Section (1/4)- ........................ 36
5-14. Schematic Diagram -Main Section (2/4)- ........................ 37
5-15. Schematic Diagram -Main Section (3/4)- ........................ 38
5-16. Schematic Diagram -Main Section (4/4)- ........................ 39
5-17. Printed Wiring Board -Main Section- .............................. 40
5-18. Printed Wiring Boards and Schematic Diagram
-Jack Section- ................................................................... 41
5-19. Printed Wiring Boards -Panel Section- ............................ 42
5-20. Schematic Diagram -Panel Section- ................................ 43
5-21. Schematic Diagram -Power Amp Section (1/2)- ............. 44
5-22. Schematic Diagram -Power Amp Section (2/2)- ............. 45
5-23. Printed Wiring Board -Power Amp Section
(HCD-GX25/RG220:
Except AEP, UK, Russia, EA Model)- ............................. 46
5-24. Printed Wiring Board -Power Amp Section
(HCD-RG220: AEP, UK, Russia Model)- ........................ 47
5-25. Printed Wiring Board -Power Amp Section
(HCD-RG220: EA Model)- .............................................. 48
4

TABLE OF CONTENTS

5-26. Printed Wiring Board -Transformer Section
5-27. Printed Wiring Board -Transformer Section
5-28. Printed Wiring Board -Transformer Section
5-29. Schematic Diagram -Transformer Section
5-30. Schematic Diagram -Transformer Section
5-31. IC Block Diagrams ............................................................ 54
6. EXPLODED VIEWS
6-1. Main Section ..................................................................... 56
6-2. Front Panel Section (1) ...................................................... 57
6-3. Front Panel Section (2) ...................................................... 58
6-4. Front Panel Section (3) ...................................................... 59
6-5. Main Board Section .......................................................... 60
6-6. CD Mechanism Deck Section (1) ..................................... 61
6-7. CD Mechanism Deck Section (2) ..................................... 62
6-8. Base Unit Section .............................................................. 63
7. ELECTRICAL PARTS LIST
................................. 22
(HCD-GX25/RG220:
Except AEP, UK, Russia, EA Model)- ............................. 49
(HCD-RG220: AEP, UK, Russia Model)- ........................ 50
(HCD-RG220: EA Model)- .............................................. 51
(HCD-GX25/RG220: Except EA Model)- ....................... 52
(HCD-RG220: EA Model)- .............................................. 53
........................................ 64