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HCD-TB20
TABLE OF CONTENTS
1. SERVICING NOTES
······················································· 4
2. GENERAL
·········································································· 6
3. DISASSEMBLY
································································ 8
3-1. Side Panel ····································································· 9
3-2. Top Panel ······································································ 9
3-3. Cassette Mechanism ··················································· 10
3-4. Front Panel ·································································· 10
3-5. PANEL Board ····························································· 11
3-6. DISPLAY Board ························································· 12
3-7. VOL Board ································································· 13
3-8. Back Panel ·································································· 13
3-9. MAIN Board ······························································· 14
3-10. AMP Board, Power Transformer ································ 14
3-11. CD Mechanism Deck (CDM63E) ······························ 15
3-12. CD Base Unit (BU-30 (60) Assy) ······························· 16
3-13. DRIVER Board ··························································· 17
3-14. Fitting Base (Stabilizer) Assy, Tray Assy ··················· 17
3-15. TRAY SENSOR Board ··············································· 18
3-16. Slider (Loading), Gear (Slider) ··································· 18
3-17. Stocker Assy ······························································· 19
3-18. DISC SENSOR Board ················································ 19
3-19. IN OUT SW Board ····················································· 20
3-20. Motor Assy (M721), MOTOR Bard ··························· 21
3-2. Top Panel ······································································ 9
3-3. Cassette Mechanism ··················································· 10
3-4. Front Panel ·································································· 10
3-5. PANEL Board ····························································· 11
3-6. DISPLAY Board ························································· 12
3-7. VOL Board ································································· 13
3-8. Back Panel ·································································· 13
3-9. MAIN Board ······························································· 14
3-10. AMP Board, Power Transformer ································ 14
3-11. CD Mechanism Deck (CDM63E) ······························ 15
3-12. CD Base Unit (BU-30 (60) Assy) ······························· 16
3-13. DRIVER Board ··························································· 17
3-14. Fitting Base (Stabilizer) Assy, Tray Assy ··················· 17
3-15. TRAY SENSOR Board ··············································· 18
3-16. Slider (Loading), Gear (Slider) ··································· 18
3-17. Stocker Assy ······························································· 19
3-18. DISC SENSOR Board ················································ 19
3-19. IN OUT SW Board ····················································· 20
3-20. Motor Assy (M721), MOTOR Bard ··························· 21
4. TEST MODE
···································································· 22
5. MECHANICAL ADJUSTMENTS
····························· 23
6. ELECTRICAL ADJUSTMENTS
······························· 23
7. DIAGRAMS
······································································ 27
7-1. Circuit Boards Location ·············································· 27
7-2. Block Diagrams ·························································· 29
7-3. Schematic Diagram BD Section ································ 32
7-4. Printed Wiring Board BD Section ····························· 33
7-5. Schematic Diagram DRIVER Section ······················· 34
7-6. Printed Wiring Board DRIVER Section ···················· 35
7-7. Schematic Diagram MAIN Section (1/3) ·················· 36
7-8. Schematic Diagram MAIN Section (2/3) ·················· 37
7-9. Schematic Diagram MAIN Section (3/3) ·················· 38
7-10. Printed Wiring Board MAIN Section ························ 39
7-11. Schematic Diagram DECK Section ··························· 40
7-12. Printed Wiring Board DECK Section ························ 41
7-13. Schematic Diagram AMP Section ····························· 42
7-14. Printed Wiring Board AMP Section ·························· 43
7-15. Schematic Diagram PANEL Section ························· 44
7-16. Printed Wiring Board PANEL Section ······················ 45
7-17. Schematic Diagram TRANS Section ························· 46
7-18. Printed Wiring Board TRANS Section ······················ 47
7-19. Schematic Diagram POWER Section ························ 48
7-20. Printed Wiring Board POWER Section ····················· 49
7-21. IC Pin Function Description ······································· 50
7-22. IC Block Diagrams ····················································· 52
7-2. Block Diagrams ·························································· 29
7-3. Schematic Diagram BD Section ································ 32
7-4. Printed Wiring Board BD Section ····························· 33
7-5. Schematic Diagram DRIVER Section ······················· 34
7-6. Printed Wiring Board DRIVER Section ···················· 35
7-7. Schematic Diagram MAIN Section (1/3) ·················· 36
7-8. Schematic Diagram MAIN Section (2/3) ·················· 37
7-9. Schematic Diagram MAIN Section (3/3) ·················· 38
7-10. Printed Wiring Board MAIN Section ························ 39
7-11. Schematic Diagram DECK Section ··························· 40
7-12. Printed Wiring Board DECK Section ························ 41
7-13. Schematic Diagram AMP Section ····························· 42
7-14. Printed Wiring Board AMP Section ·························· 43
7-15. Schematic Diagram PANEL Section ························· 44
7-16. Printed Wiring Board PANEL Section ······················ 45
7-17. Schematic Diagram TRANS Section ························· 46
7-18. Printed Wiring Board TRANS Section ······················ 47
7-19. Schematic Diagram POWER Section ························ 48
7-20. Printed Wiring Board POWER Section ····················· 49
7-21. IC Pin Function Description ······································· 50
7-22. IC Block Diagrams ····················································· 52
8. EXPLODED VIEWS
······················································ 50
8-1. Side Panel, Back Panel Section ·································· 54
8-2. Front Panel Section ····················································· 55
8-3. Chassis Section ··························································· 56
8-4. CD Mechanism Deck Section -1 ································ 57
8-5. CD Mechanism Deck Section -2 ································ 58
8-6. Base Unit Section (BU-30) ········································· 59
8-2. Front Panel Section ····················································· 55
8-3. Chassis Section ··························································· 56
8-4. CD Mechanism Deck Section -1 ································ 57
8-5. CD Mechanism Deck Section -2 ································ 58
8-6. Base Unit Section (BU-30) ········································· 59
9. ELECTRICAL PARTS LIST
······································· 60
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