2
HCD-DX70
TABLE OF CONTENTS
1. GENERAL
·········································································· 4
2. DISASSEMBLY
2-1.
Case (Top) ·········································································· 5
2-2.
Loading Panel ····································································· 6
2-3.
Front Panel Section ···························································· 6
2-4.
Tape Mechanism Deck ······················································· 7
2-5.
CD SW Board, Panel Board, Pad Switch Board ················ 7
2-6.
Main Trans Board ······························································· 8
2-7.
Main Board, Power Board ·················································· 8
2-8.
SW Board, Head (A) Board, Head (B) Board ···················· 9
2-9.
Base Unit ············································································ 9
2-10. Driver Board, Motor Board, CD Sensor Board and
Video Board ······································································ 10
3. TEST MODE
···································································· 11
4. MECHANICAL ADJUSTMENTS
····························· 15
5. ELECTRICAL ADJUSTMENTS
······························· 15
6. DIAGRAMS
6-1.
Circuit Board Location ····················································· 21
6-2.
Block Diagrams ································································ 22
6-3.
Schematic Diagram – BD Section – ································· 24
6-4.
Printed Wiring Board – BD Section – ······························ 25
6-5.
Printed Wiring Board – Main Section – ··························· 26
6-6.
Schematic Diagram – Main (1/4) Section – ····················· 27
6-7.
Schematic Diagram – Main (2/4) Section – ····················· 28
6-8.
Schematic Diagram – Main (3/4) Section – ····················· 29
6-9.
Schematic Diagram – Main (4/4) Section – ····················· 30
6-10. Schematic Diagram – Video SW Section – ······················ 31
6-11. Printed Wiring Board – Video SW Section – ··················· 31
6-12. Printed Wiring Board – Power AMP Section – ················ 32
6-13. Schematic Diagram – Power AMP Section – ··················· 33
6-14. Printed Wiring Board – Panel Section – ··························· 34
6-15. Schematic Diagram – Panel Section – ····························· 35
6-16. Printed Wiring Boards – Switch Section – ······················· 36
6-17. Schematic Diagram – Switch Section – ··························· 37
6-18. Printed Wiring Boards – Leaf SW Section – ···················· 38
6-19. Schematic Diagram – Leaf SW Section – ························ 39
6-20. Printed Wiring Boards – Driver Section – ························ 40
6-21. Schematic Diagrams – Driver Section – ·························· 41
6-22. Printed Wiring Board – Trans Section – ··························· 42
6-23. Schematic Diagram – Trans Section – ····························· 43
6-24. IC Pin Functions ······························································· 44
6-25. IC Block Diagrams ··························································· 48
7. EXPLODED VIEWS
7-1.
Main Section ····································································· 51
7-2.
Front Panel Section ·························································· 52
7-3.
Chassis Section ································································· 53
7-4.
Tape Mechanism Section-1 (TCM-230MWR41) ············· 54
7-5.
Tape Mechanism Section-2 (TCM-230AWR41) ·············· 55
7-6.
CD Mechanism Deck Section (CDM58E-30BD60) ········ 56
7-7.
Base Unit Section (BU-30BD60) ····································· 57
8. ELECTRICAL PARTS LIST
······································· 58
Содержание HCD-DX70
Страница 28: ...HCD DX70 28 28 6 7 SCHEMATIC DIAGRAM MAIN 2 4 SECTION Page 24 Page 41 Page 29 Page 27 Page 30 ...
Страница 33: ...33 33 HCD DX70 6 13 SCHEMATIC DIAGRAM POWER AMP SECTION Page 43 Page 43 Page 30 Page 30 ...
Страница 37: ...37 37 HCD DX70 6 17 SCHEMATIC DIAGRAM SWITCH SECTION Page 35 Page 35 ...
Страница 39: ...39 39 HCD DX70 6 19 SCHEMATIC DIAGRAM LEAF SW SECTION E Page 30 4 4 ...
Страница 41: ...41 41 HCD DX70 6 21 SCHEMATIC DIAGRAMS DRIVER SECTION See page 50 for IC Block Diagrams IC B D B Page 28 2 4 ...
Страница 43: ...43 43 HCD DX70 6 23 SCHEMATIC DIAGRAM TRANS SECTION H Page 33 Page 33 ...