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TABLE OF CONTENTS
1. SERVICING NOTE
·························································· 6
2. GENERAL
........................................................................ 18
3. DISASSEMBLY
3-1. Upper Cover ······························································· 21
3-2. Front Panel Section ····················································· 21
3-3. Panel Board ································································· 22
3-4. Main Board ·································································· 22
3-5. Cassette Machanism ···················································· 23
3-6. Power Transformer/AMP Board ································· 23
3-7. CD Mechanism Deck ·················································· 24
3-8. Tray, Gear and Cam ····················································· 24
3-11. BD (CD) Board, Spindle Motor (M101) and
Sled Motor (M102) ······················································ 25
3-9. CD Base Unit ······························································ 25
3-10. Optical Pick-Up Section Of CD
(KSS-213BA/F-NP) ···················································· 25
3-12. MD Mechanism Deck ················································· 26
3-13. Slider (Cam) ································································ 26
3-14. Base Unit (MBU-5A) and BD (MD) Board ················ 27
3-15. Over Write Head ·························································· 27
3-16. Optical Pick-Up Of MD (KMS-260B/J1N) ················ 27
3-17. Spindle Motor (M901) and
Sled Motor (M902) (MD) ············································ 28
4. TEST MODE
.................................................................... 29
5. ELECTRICAL ADJUSTMENTS
34
6. DIAGRAMS
6-1. Block Diagrams
– BD (CD) Section – ··················································· 45
– BD (MD) Section (1/2) – ·········································· 46
– BD (MD) Section (2/2) – ·········································· 47
– Main Section – ························································· 48
6-2. Circuit Boards Location ·············································· 49
6-3. Printed Wiring Board – BD (CD) Section – ················ 50
6-4. Schematic Diagram – BD (CD) Section – ··················· 51
6-5. Printed Wiring Board – BD (MD) Section – ··············· 52
6-6. Schematic Diagram – BD (MD) Section (1/2) – ········· 53
6-7. Schematic Diagram – BD (MD) Section (2/2) – ········· 54
6-8. Schematic Diagram – MAIN Section (1/2) – ·············· 55
6-9. Schematic Diagram – MAIN Section (2/2) – ·············· 56
6-10. Printed Wiring Board – MAIN Section – ···················· 57
6-11. Printed Wiring Board – MD DIGITAL Section – ······· 58
6-12. Printed Wiring Board – MD DIGITAL Section – ······· 59
6-13. Printed Wiring Board – AMP Section – ······················ 60
6-14. Schematic Diagram – AMP Section – ························· 61
6-15. Printed Wiring Board
– CASSETTE DECK Section – ·································· 62
6-16. Printed Wiring Board
– CASSETTE DECK Section – ·································· 63
6-17. Printed Wiring Board – PANEL Section – ·················· 64
6-18. Schematic Diagram – PANEL Section – ···················· 65
6-19. Printed Wiring Board – POWER Section – ················· 66
6-20. Schematic Diagram – POWER Section – ·················· 67
6-21. Schematic Diagram – BD SWITCH Section – ·········· 68
6-22. Printed Wiring Board – BD SWITCH Section – ········· 68
6-23. Schematic Diagram – LOADING Section – ·············· 68
6-24. Printed Wiring Board – LOADING Section – ············ 68
6-25. IC Block Diagrams ······················································ 69
6-26 IC Pin Fuction Description ·········································· 74
7. EXPLODED VIEWS
7-1. Case and Casette Mechanism Deck
Section (CMAL1Z027A) ············································ 79
7-2. Front Panel Section ····················································· 80
7-3. Chassis Section ···························································· 81
7-4. Md Mechanism Deck Section-1 (MDM-5H) ·············· 82
7-5. Md Mechanism Deck Section-2 (MBU-5A) ··············· 83
7-6. CD Mechanism Deck Section-1
(CDM55A-5SBD32) ··················································· 84
7-7. CD Mechanism Deck Section-2 (BU-5SBD32) ·········· 85
8. ELECTRICAL PARTS LIST
······································· 86
Summary of Contents for HCD-J3MD
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