Sony HCD-GX570 - Cd Deck Receiver Component - Servicing Notes and Precautions

3
HCD-GX470/GX570
TABLE OF CONTENTS
1. SERVICING NOTES ............................................... 4
2. GENERAL ................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 9
3-2. Case (Side-L), Case (Side-R) .......................................... 10
3-3. Case (Top) ....................................................................... 10
3-4. Lid (CD) .......................................................................... 11
3-5 CD Mechanism Deck (CDM74KF-K6BD83S) .............. 11
3-6. Front Panel Block ............................................................ 12
3-7. Mecha Deck (CWN42FF609) ......................................... 12
3-8. Back Panel Section .......................................................... 13
3-9. MAIN Board.................................................................... 13
3-10. CD Board......................................................................... 14
3-11. DRIVE Board, SW Board ............................................... 14
3-12. Optical Pick-up Block ..................................................... 15
3-13. SENSOR Board ............................................................... 15
3-14. MOTOR (TB) Board ....................................................... 16
3-15. MOTOR (LD) Board ....................................................... 16
4. TEST MODE.............................................................. 17
5. MECHANICAL ADJUSTMENTS ....................... 20
6. ELECTRICAL ADJUSTMENTS ......................... 21
7. DIAGRAMS
7-1. Block Diagram – CD SERVO Section – ......................... 23
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 – CHANGER Section – .............. 30
7-8. Schematic Diagram – CHANGER Section – .................. 31
7-9. Printed Wiring Board – DECK Board – .......................... 32
7-10. Schematic Diagram – DECK Board –............................. 33
7-11. Printed Wiring Board – MAIN Board – .......................... 34
7-12. Schematic Diagram – MAIN Board (1/3) – .................... 35
7-13. Schematic Diagram – MAIN Board (2/3) – .................... 36
7-14. Schematic Diagram – MAIN Board (3/3) – .................... 37
7-15. Printed Wiring Board – XM Board (GX570) – ............... 38
7-16. Schematic Diagram – XM Board (GX570) –.................. 39
7-17. Printed Wiring Board – MIC. AUX. HP Board – ............ 40
7-18. Schematic Diagram – MIC. AUX. HP Board – ............... 41
7-19. Printed Wiring Board – POWER Board – ....................... 42
7-20. Schematic Diagram – POWER Board –.......................... 43
7-21. Printed Wiring Boards – SUB WOOFER Section –........ 44
7-22. Schematic Diagram – SUB WOOFER Section – ............ 45
7-23. Printed Wiring Board – PANEL Board – ........................ 46
7-24. Printed Wiring Boards – KEY Section – ......................... 47
7-25. Schematic Diagram – PANEL Section – ......................... 48
7-26. Printed Wiring Board – TRANSFORMER Board – ....... 49
7-27. Schematic Diagram – TRANSFORMER Board – .......... 50
8. EXPLODED VIEWS
8-1. Case Section .................................................................... 63
8-2. PANEL Board Section..................................................... 64
8-3. Lid (Top) Section............................................................. 65
8-4. Front Panel Section ......................................................... 66
8-5. MAIN Board Section....................................................... 67
8-6. POWER Board, SUB WOOFER Board Section ............. 68
8-7. Chassis Section................................................................ 69
8-8. CD Mechanism Deck Section-1
(CDM74KF-K6BD83S) .................................................. 70
8-9. CD Mechanism Deck Section-2
(CDM74KF-K6BD83S) .................................................. 71
9. ELECTRICAL PARTS LIST................................ 72