Table Of Contents; Printed Wiring Board - Main Board (Except Rg490: Mexican/Rg590 Mexican Models) - Sony HCD-RG490 Service Manual

1. SERVICING NOTES
2. GENERAL
................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Case (Side-L), Case (Side-R) .......................................... 9
3-3. Case (Top) ....................................................................... 9
3-4. LID (CD) ......................................................................... 10
3-5 CD Mechanism Deck
(CDM74KF-K6BD83S: Except Mexican model)
(CDM74KF-F1BD84: Mexican model) .......................... 10
3-6. Front Panel Block ............................................................ 11
3-7. Mecha Deck (CWN42FF609) ......................................... 11
3-8. Back Panel Section .......................................................... 12
3-9. MAIN Board .................................................................... 12
3-10. BD Board (Mexican model),
CD Board (Except Mexican model) ................................ 13
3-11. DRIVE Board, SW Board ............................................... 13
3-12. Optical Pick-up Block
(KSM-213DCP: Except Mexican model)
(KSM-215DCP: Mexican model) ................................... 14
3-13. SENSOR Board ............................................................... 14
3-14. MOTOR (TB) Board ....................................................... 15
3-15. MOTOR (LD) Board ....................................................... 15
4. TEST MODE
.............................................................. 16
5. MECHANICAL ADJUSTMENTS
6. ELECTRICAL ADJUSTMENTS
7. DIAGRAMS
7-1. Block Diagram - CD SERVO Section - ......................... 23
7-2. Block Diagram - MAIN Section - .................................. 24
7-3. Block Diagram - AMP/VIDEO Section - ...................... 25
7-4. Block Diagram
- PANEL/POWER SUPPLY Section - ........................... 26
7-5. Printed Wiring Board - CD Board
(Except RG490: MX/RG590: MX models) - ................. 28
7-6. Schematic Diagram - CD Board
(Except RG490: MX/RG590: MX models) - ................. 29
7-7. Printed Wiring Board - BD Board
(RG490: MX/RG590: MX models) - ............................. 30
7-8. Schematic Diagram - BD Board
(RG490: MX/RG590: MX models) - ............................. 31
7-9. Printed Wiring Boards - CHANGER Section - .............. 32
7-10. Schematic Diagram - CHANGER Section - .................. 33
7-11. Printed Wiring Board - DECK Board - .......................... 34
7-12. Schematic Diagram - DECK Board - ............................. 35
7-13. Printed Wiring Board - MAIN Board
(Except RG490: MX/RG590: MX models) - ................. 36
7-14. Schematic Diagram - MAIN Board (1/3)
(Except RG490: MX/RG590: MX models) - ................. 37
7-15. Schematic Diagram - MAIN Board (2/3)
(Except RG490: MX/RG590: MX models) - ................. 38
7-16. Schematic Diagram - MAIN Board (3/3)
(Except RG490: MX/RG590: MX models) - ................. 39
7-17. Printed Wiring Board - MAIN Board
(RG490: MX/RG590: MX models) - ............................. 40
7-18. Schematic Diagram - MAIN Board (1/3)
(RG490: MX/RG590: MX models) - ............................. 41
7-19. Schematic Diagram - MAIN Board (2/3)
(RG490: MX/RG590: MX models) - ............................. 42

TABLE OF CONTENTS

............................................... 4
....................... 19
......................... 20
7-20. Schematic Diagram - MAIN Board (3/3)
(RG490: MX/RG590: MX models) - ............................. 43
7-21. Printed Wiring Board - MIC. AUX. HP Board - ............ 44
7-22. Schematic Diagram - MIC. AUX. HP Board - ............... 45
7-23. Printed Wiring Board - POWER Board (RG490) - ........ 46
7-24. Schematic Diagram - POWER Board (RG490) - .......... 47
7-25. Printed Wiring Board - POWER Board (RG590) - ........ 48
7-26. Schematic Diagram - POWER Board (RG590) - .......... 49
7-27. Printed Wiring Boards - SUB WOOFER Section - ........ 50
7-28. Schematic Diagram - SUB WOOFER Section - ............ 51
7-29. Printed Wiring Boards - CD-G Section
(RG490: MX/RG590: MX models) - ............................. 52
7-30. Schematic Diagram - CD-G Section
(RG490: MX/RG590: MX models) - ............................. 53
7-31. Printed Wiring Board - PANEL Board - ........................ 54
7-32. Printed Wiring Boards - KEY Section - ......................... 55
7-33. Schematic Diagram - PANEL/KEY Section - ............... 56
7-34. Printed Wiring Board
- TRANSFORMER Board (RG490) - ........................... 58
7-35. Schematic Diagram
- TRANSFORMER Board (RG490) - ........................... 59
7-36. Printed Wiring Board
- TRANSFORMER Board (RG590) - ........................... 60
7-37. Schematic Diagram
- TRANSFORMER Board (RG590) - ........................... 61
8. EXPLODED VIEWS
8-1. Case Section .................................................................... 78
8-2. PANEL Board Section ..................................................... 79
8-3. LID (Top) Section ............................................................ 80
8-4. Front Panel Section ......................................................... 81
8-5. MAIN Board Section ....................................................... 82
8-6. POWER Board, SUB WOOFER Board Section ............. 83
8-7. Chassis Section ................................................................ 84
8-8. CD Mechanism Deck Section-1
(CDM74KF-K6BD83S) (Except Mexican model)/
(CDM74KF-F1BD84) (Mexican model) ........................ 85
8-9. CD Mechanism Deck Section-2
(CDM74KF-K6BD83S) (Except Mexican model)/
(CDM74KF-F1BD84) (Mexican model) ........................ 86
9. ELECTRICAL PARTS LIST
Abbreviation
MX: Mexican model
HCD-RG490/RG590
................................ 87
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