Sony HCD-MD555, Service Manual

Page: 4 / 124

— 4 —
TABLE OF CONTENTS
1. SELF-DIAGNOSIS FUNCTION
·································· 5
2. SERVICE NOTE
······························································· 8
3. GENERAL
········································································ 12
4. DISASSEMBLY
4-1. Back Panel ········································································ 25
4-2. Mechanism (MDM-C1E) ················································· 25
4-3. SP Board, Amp Board, Reg Board ··································· 26
4-4. Front Panel ······································································· 26
4-5. Power Key Board, LED Board, Panel Board ··················· 27
4-6. Power Transformer (T960), Trans-A/B/C/D Board ········· 27
4-7. CD Mechanism (CDM53-K1BD33) ································ 28
4-8. Escutcheon, Chassis (Top) ··············································· 29
4-9. Chassis (Elevator) New ···················································· 30
4-10. Motor (Head) Assy (M905), Head Relay Board ·············· 30
4-11. MD Base Unit (MBU-C1E) ············································· 31
4-12. BD Board ·········································································· 31
4-13. Over Light Head (HR901) ················································ 32
4-14. MD Optical Pick-up Block (KMS-260A/J1N) ················· 32
4-15. CD Optical Pick-up Block (KSS-213BA/F-NP) ·············· 33
4-16. Fitting Base (Guide/Magnet) Assy ··································· 33
4-17. Tray (Sub) ········································································· 34
4-18. Chassis (Mold B), Stocker, Slider (Selection) ·················· 34
4-19. How to Assembly The Gears ············································ 35
4-20. How to Attach The Slider (Selection) ······························ 35
4-21. How to Attach The Stocker ·············································· 36
4-22. How to Attach The Chassis (Mold B) ······························ 36
5. TEST MODE
···································································· 37
6. ELECTRICAL ADJUSTMENT
·································· 43
7. DIAGRAMS
7-1. Block Diagrams ································································ 53
•
MD Section ···································································· 53
•
CD Section ····································································· 55
•
Audio Section ································································ 57
•
Power Section ································································ 59
7-2. Circuit Boards Location ··················································· 61
7-3. Schematic Diagram — CD Section — ····························· 63
7-4. Printed Wiring Board — CD Section — ·························· 65
7-5. Schematic Diagram —Motor Section — ························· 67
7-6. Printed Wiring Board — Motor Section — ······················ 69
7-7. Printed Wiring Board — MD Section — ························· 71
7-8. Schematic Diagram — MD Section (1/2) — ··················· 73
7-9. Schematic Diagram — MD Section (2/2) — ··················· 75
7-10. Schematic Diagram — Rds Section — ···························· 77
7-11. Printed Wiring Board — Rds Section — ························· 78
7-12. Schematic Diagram — Relay Section — ························· 79
7-13. Printed Wiring Board — Relay Section — ······················ 81
7-14. Printed Wiring Board — Main Section — ······················· 83
7-15. Schematic Diagram — Main Section (1/3) — ················· 85
7-16. Schematic Diagram — Main Section (2/3) — ················· 87
7-17. Schematic Diagram — Main Section (3/3) — ················· 89
7-18. Schematic Diagram — Amp Section — ··························· 91
7-19. Printed Wiring Board — Amp Section — ························ 93
7-20. Schematic Diagram — Panel Section — ························· 95
7-21. Printed Wiring Board — Panel Section ···························· 97
7-22. Schematic Diagram — Power Section — ························ 99
7-23. Printed Wiring Board — Power Section — ··················· 101
7-24. IC Block Diagrams ························································· 105
7-25. IC Pin Function Description ··········································· 111
8. EXPLODED VIEWS
8-1. Main Block ····································································· 123
8-2. Back Panel Block ··························································· 124
8-3. MD Mechanism Deck-1 (MDM-C1E) ··························· 125
8-4. MD Mechanism Deck-2 (MDM-C1E) ··························· 126
8-5. MD Base Unit (MBU-C1E) ··········································· 127
8-6. CD Mechanism Deck-1 (CDM53-K1BD33) ················· 128
8-7. CD Mechanism Deck-2 (CDM53-K1BD33) ················· 129
8-8. Optical Block (BU-K1BD33) ········································· 130
9. ELECTRICAL PARTS LIST
····································· 131