HCD-GX25, MHC-GX25 - Sony Audio Service Manual (repair manual). Page 4

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Main Unit ................................................................................ 5
Remote Control ....................................................................... 6

2-1.   Case (Top) ........................................................................... 8
2-2.   CD Door .............................................................................. 8
2-3.   Front Panel Section ............................................................. 9
2-4.   CD Mechanism Block ....................................................... 10
2-5.   Tape Mechanism Deck ...................................................... 10
2-6.   Panel Board, 1 Stream Led Board, Remote Board ............ 11
2-7.   Game Jack Board, H/P Jack Board ................................... 11
2-8.   Back Panel Section ............................................................ 12
2-9.   Main Board ....................................................................... 12
2-10. Amp Board ........................................................................ 13
2-11. Driver Board, Sw Board .................................................... 13
2-12. CD Block Assy .................................................................. 14
2-13. Sensor Board ..................................................................... 14
2-14. Motor (TB) Board ............................................................. 15
2-15. Motor (LD) Board ............................................................. 15
2-16. Optical Pick-up ................................................................. 16

3-1.   IC Pin Description ............................................................. 17
3-2.   Circuit Boards Location .................................................... 19
3-3.   Printed Wiring Boards –CD Mechanism Section (1/2)– ... 21
3-4.   Printed Wiring Boards –CD Mechanism Section (2/2)– ... 22
3-5.   Schematic Diagram –CD Mechanism Section– ................ 23
3-6.   Printed Wiring Boards –Main Section– ............................ 24
3-7.   Schematic Diagram –Main Section (1/3)– ........................ 25
3-8.   Schematic Diagrams –Main Section (2/3)– ...................... 26
3-9.   Schematic Diagram –Main Section (3/3)– ........................ 27
3-10. Printed Wiring Boards –Panel Section– ............................ 28
3-11. Schematic Diagram –Panel Section– ................................ 29
3-12. Printed Wiring Board –Power Amp Section– ................... 30
3-13. Schematic Diagram –Power Amp Section (1/2)– ............. 31
3-14. Schematic Diagram –Power Amp Section (2/2)– ............. 32
3-15. Printed Wiring Board –Transformer Section– .................. 33
3-16. Schematic Diagram –Transformer Section– ..................... 34
3-17. IC Block Diagrams ............................................................ 35

4-1.   Main Section ..................................................................... 37
4-2.   Front Panel Section ........................................................... 38
4-3.   Main Board Section .......................................................... 39
4-4.   CD Mechanism Deck Section (1) ..................................... 40
4-5.   CD Mechanism Deck Section (2) ..................................... 41
4-6.   Optical Pick-up Section ..................................................... 42

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