3
HCD-L1
TABLE OF CONTENTS
1. SERVICING NOTES ······················································· 4
2. GENERAL ·········································································· 5
3. DISASSEMBLY
3-1. Bottom Plate,Case ························································ 9
3-2. Front Panel Section ······················································ 9
3-3. POWER Board, AM/FM Tuner·································· 10
3-4. MAIN Board ······························································ 10
3-5. AMP Board, Regurator ·············································· 11
3-6. Door Panel, LED Board (R), Indicator ······················ 11
3-7. LED Board (L) ··························································· 12
3-8. FL (L1) Board ···························································· 12
3-9. SWITCH Board, TOUCH SWITCH Board ··············· 13
3-10. CD Board ··································································· 13
3-11. CD-mechanism (CDM71A) ······································· 14
3-12. L.MOTOR Board ······················································· 14
3-13. ENCODER Board, D.sensor Board ··························· 15
3-14. RTL Pulley Assy ························································ 15
3-15. BD Board ··································································· 16
3-16. C.MOTOR Board, L.SENSOR Board ······················· 16
3-17. Base Unit ···································································· 17
3-18. Holder Assy, Sled Motor Assy ··································· 17
3-19. RTR Pulley Assy ························································ 18
3-20. SPT Pulley Assy ························································· 18
4. TEST MODE ···································································· 19
5. ELECTRICAL ADJUSTMENTS ······························· 22
6. DIAGRAMS
6-1. Block Diagrams CD Section ····································· 23
MAIN Section ···························································· 24
6-2. Circuit Boards Location ············································· 25
6-3. Printed Wiring Board BD Section (Side A) ·············· 26
6-4. Printed Wiring Board BD Section (Side B) ·············· 27
6-5. Schematic Diagram BD Section ······························· 28
6-6. Schematic Diagram CD Section ······························· 29
6-7. Printed Wiring Board CD Section (Side A) ·············· 30
6-8. Printed Wiring Board CD Section (Side B) ·············· 31
6-9. Printed Wiring Board MOTOR Section ···················· 32
6-10. Schematic Diagram MOTOR Section ······················· 33
6-11. Printed Wiring Board MAIN Section (Side A) ········· 34
6-12. Printed Wiring Board MAIN Section (Side B) ········· 35
6-13. Schematic Diagram MAIN Section (1/2)·················· 36
6-14. Schematic Diagram MAIN Section (2/2)·················· 37
6-15. Printed Wiring Board AMP Section (Side A) ··········· 38
6-16. Printed Wiring Board AMP Section (Side B) ··········· 39
6-17. Schematic Diagram AMP Section····························· 40
6-18. IC Block Diagrams····················································· 41
6-19. Printed Wiring Board DISPLAY Section ·················· 42
6-20. Schematic Diagram DISPLAY Section····················· 43
6-21. Printed Wiring Board SWTICH Section ··················· 44
6-22. Schematic Diagram SWTICH Section ······················ 45
6-23. Printed Wiring Board POWER Section ···················· 46
6-24. Schematic Diagram POWER Section ······················· 47
6-25. IC PIN FUNCTION DESCRIPTION ························ 48
7. EXPLODED VIEWS
7-1. Case Section ······························································· 51
7-2. Chassis Section ·························································· 52
7-3. Front Panel Section ···················································· 53
7-4. Mechanism Section(CDM71A)-1 ······························ 54
7-5. Mechanism Section(CDM71A)-2 ······························ 55
7-6. Base Unit Section (BU-31BD63A) ···························· 56
8. ELECTRICAL PARTS LIST ······································· 57
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