Sony HCD-EC55 - Table of Contents

3
HCD-EC55/EC77/GX99
TABLE OF CONTENTS
1. SERVICING NOTES ................................................ 4
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......................... 25
6. ELECTRICAL ADJUSTMENTS .......................... 25
7. DIAGRAMS
7-1. Block Diagram — BD/DRIVER Section — .................. 30
7-2. Block Diagram — TUNER Section — .......................... 31
7-3. Block Diagram — MAIN Section — ............................. 32
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 .................................. 63
Ver. 1.2