Read Sony CMT-L1 / HCD-L1 Service Manual online
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
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
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
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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