Table Of Contents - Sony HCD-EC55 Service Manual

1. SERVICING NOTES
2. GENERAL
................................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Side Panel (R), Side Panel (L) ......................................... 9
3-3. Top Panel Assy (Except US, CND) ................................. 10
3-4. Top Panel (US, CND) ...................................................... 10
3-5. Front Panel Assy .............................................................. 11
3-6. Mechanical Deck (Except US, CND) .............................. 12
3-7. Belt (MAIN), Belt (R/F) (Except US, CND) .................. 12
3-8. KEY-LEFT Board ............................................................ 13
3-9. KEY-RIGHT Board, KEY-CD Board, PANEL Board .... 13
3-10. JACK Board ..................................................................... 14
3-11. MAIN Board .................................................................... 15
3-12. CD Mechanical ................................................................ 16
3-13. Optical Pick-up (KSM-213DCP), BD90 Board .............. 17
3-14. Belt (DLM3A) ................................................................. 18
3-15. Chassis ............................................................................. 18
3-16. PT Board (Except EC55:US, CND),
PT (U) Board (EC55:US, CND), Power Transformer ..... 19
3-17. LOW-AMP Board, HI-AMP Board (EC77/GX99) ......... 19
3-18. HI-AMP Board (EC55) ................................................... 20
3-19. DC Fan ............................................................................ 20
4. TEST MODE
............................................................... 21
5. MECHANICAL ADJUSTMENTS
6. ELECTRICAL ADJUSTMENTS
7. DIAGRAMS
7-1. Block Diagram - BD/DRIVER Section - .................. 30
7-2. Block Diagram - TUNER Section - .......................... 31
7-3. Block Diagram - MAIN Section - ............................. 32

TABLE OF CONTENTS

................................................ 4
......................... 25
.......................... 25
HCD-EC55/EC77/GX99
7-4. Printed Wiring Board - BD90 Board - ...................... 33
7-5. Schematic Diagram - BD90 Board - ......................... 34
7-6. Printed Wiring Boards - MAIN Section - ................. 35
7-7. Schematic Diagram - MAIN Section (1/2) - ............. 36
7-8. Schematic Diagram - MAIN Section (2/2) - ............. 37
7-9. Printed Wiring Board - PANEL Board - ................... 38
7-10. Schematic Diagram - PANEL Board - ...................... 39
7-11. Printed Wiring Boards - KEY Section - .................... 40
7-12. Schematic Diagram - KEY Section - ........................ 40
7-13. Printed Wiring Board - HI-AMP Board - .................. 41
7-14. Schematic Diagram - HI-AMP Board - .................... 42
7-15. Printed Wiring Board
- LOW-AMP Board (EC77/GX99) - .......................... 43
7-16. Schematic Diagram
- LOW-AMP Board (EC77/GX99) - .......................... 44
7-17. Printed Wiring Boards
- DECK Section (Except US,CND) - ......................... 45
7-18. Schematic Diagram
- DECK Section (Except US,CND) - ......................... 45
7-19. Printed Wiring Board
- PT Board (Except EC55: US,CND) - ...................... 46
7-20. Schematic Diagram
- PT Board (Except EC55: US,CND) - ...................... 46
7-21. Printed Wiring Board
- PT (U) Board (EC55: US,CND) - ............................ 47
7-22. Schematic Diagram
- PT (U) Board (EC55: US,CND) - ............................ 47
8. EXPLODED VIEWS
8-1. Overall Section ................................................................ 57
8-2. Front Panel Section ......................................................... 58
8-3. Chassis Section (EC77/GX99) ........................................ 59
8-4. Chassis Section (EC55) ................................................... 60
8-5. Top Section (Except US, CND) ....................................... 61
8-6. CD Mechanism Deck Section ......................................... 62
9. ELECTRICAL PARTS LIST
Ver. 1.2
.................................. 63
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