Sony HCD-GX450 Service Manual page 80

HCD-GX450
1. DISASSEMBLY
1-1. Disassembly Flow ........................................................... 3
1-2. Cover (Top) ...................................................................... 4
1-3. CD Door .......................................................................... 4
1-4. Front Panel Section ......................................................... 5
1-5. CD Mechanism Deck (CDM74KF-K6BD81C) .............. 5
1-6. Tape Mechanism Deck, GAME JACK Board ................. 6
1-7. PANEL Board .................................................................. 6
1-8. Back Panel Section, SUB-TRANS Board ....................... 7
1-9. Power Transformer ......................................................... 7
1-10. MAIN Board .................................................................... 8
1-11. SUB-WOOFER Board .................................................... 8
1-12. AMP Board ...................................................................... 9
1-13. BD Board ......................................................................... 9
1-14. DRIVER Board, SW Board ............................................. 10
1-15. Optical Pick-up (KSM-213DCP/C2NP) ......................... 10
1-16. SENSOR Board ............................................................... 11
1-17. MOTOR (TB) Board ....................................................... 11
1-18. MOTOR (LD) Board ....................................................... 12
2. TEST MODE
............................................................... 13
3. ELECTRICAL ADJUSTEMENTS
4. DIAGRAMS
4-1. Block Diagram - BD/DRIVER Section - ...................... 18
4-2. Block Diagram - AUDIO/VIDEO Section - ................. 19
4-3. Block Diagram - AMP Section - ................................... 20
4-4. Block Diagram - PANEL Section - ............................... 21
4-5. Printed Wiring Board - BD Section - ........................... 22
4-6. Schematic Diagram - BD Section - ............................... 23
2
TABLE OF CONTENTS
4-7. Printed Wiring Board - CD MECHANISM Section - .. 24
4-8. Schematic Diagram - CD MECHANISM Section - ...... 25
4-9. Printed Wiring Board - MAIN Section -
4-10. Schematic Diagram - MAIN Section (1/3) - ................. 27
4-11. Schematic Diagram - MAIN Section (2/3) - ................. 28
4-12. Schematic Diagram - MAIN Section (3/3) - ................. 29
4-13. Printed Wiring Board - PANEL COMB Section - ....... 30
4-14. Schematic Diagram - PANEL COMB Section - ........... 31
4-15. Printed Wiring Board - SUB-WOOFER Section - ....... 32
4-16. Schematic Diagram - SUB-WOOFER Section - .......... 33
4-17. Printed Wiring Board - PANEL Section - ..................... 34
4-18. Schematic Diagram - PANEL Section - ........................ 35
4-19. Printed Wiring Board - TRANS Section - ..................... 36
4-20. Schematic Diagram - TRANS Section - ....................... 37
4-21. Printed Wiring Board - AMP Section - ......................... 38
4-22. Schematic Diagram - AMP Section - ............................ 39
5.
5-1. Main Section .................................................................... 48
5-2. Front Panel Section ......................................................... 49
5-3. MAIN Board Section ....................................................... 50
5-4. CD Mechanism Deck Section-1
....................... 16
5-5. CD Mechanism Deck Section-2
6.
EXPLODED VIEWS
(CDM74KF-K6BD81C) .................................................. 51
(CDM74KF-K6BD81C) .................................................. 52
ELECTRICAL PARTS LIST
................... 26
.................................. 53