Read Sony HCD-VX777 Service Manual online
2
HCD-VX777
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.
LEAF 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
····························· 13
5. ELECTRICAL ADJUSTMENTS
······························· 13
6. DIAGRAMS
6-1.
Circuit Board Location ····················································· 19
6-2.
Block Diagrams ································································ 21
6-3.
Schematic Diagram – BD Section – ································· 24
6-4.
Printed Wiring Board – BD Section – ······························ 25
6-5.
Printed Wiring Board – VIDEO Section – ······················· 26
6-6.
Schematic Diagram – VIDEO (1/3) Section – ················· 27
6-7.
Schematic Diagram – VIDEO (2/3) Section – ················· 28
6-8.
Schematic Diagram – VIDEO (3/3) Section – ················· 29
6-9.
Printed Wiring Boards – MAIN Section – ······················· 30
6-10. Schematic Diagram – MAIN (1/4) Section – ··················· 31
6-11. Schematic Diagram – MAIN (2/4) Section – ··················· 32
6-12. Schematic Diagram – MAIN (3/4) Section – ··················· 33
6-13. Schematic Diagram – MAIN (4/4) Section – ··················· 34
6-14. Schematic Diagram – SWITCH Section – ······················· 35
6-15. Printed Wiring Boards – SWITCH Section – ··················· 35
6-16. Printed Wiring Boards – POWER AMP Section – ··········· 36
6-17. Schematic Diagram – POWER AMP Section – ··············· 37
6-18. Printed Wiring Boards – PANEL Section – ······················ 38
6-19. Schematic Diagram – PANEL Section – ·························· 39
6-20. Printed Wiring Boards – CD SW/PAD Section – ············· 40
6-21. Schematic Diagram – CD SW/PAD Section – ················· 41
6-22. Printed Wiring Boards – LEAF SW Section – ················· 42
6-23. Schematic Diagram – LEAF SW Section – ····················· 43
6-24. Printed Wiring Boards – DRIVER Section – ··················· 44
6-25. Schematic Diagrams – DRIVER Section – ······················ 45
6-26. Printed Wiring Boards – TRANS Section – ····················· 46
6-27. Schematic Diagram – TRANS Section – ························· 47
6-28. IC Pin Functions ······························································· 48
6-29. IC Block Diagrams ··························································· 57
6-11. Schematic Diagram – MAIN (2/4) Section – ··················· 32
6-12. Schematic Diagram – MAIN (3/4) Section – ··················· 33
6-13. Schematic Diagram – MAIN (4/4) Section – ··················· 34
6-14. Schematic Diagram – SWITCH Section – ······················· 35
6-15. Printed Wiring Boards – SWITCH Section – ··················· 35
6-16. Printed Wiring Boards – POWER AMP Section – ··········· 36
6-17. Schematic Diagram – POWER AMP Section – ··············· 37
6-18. Printed Wiring Boards – PANEL Section – ······················ 38
6-19. Schematic Diagram – PANEL Section – ·························· 39
6-20. Printed Wiring Boards – CD SW/PAD Section – ············· 40
6-21. Schematic Diagram – CD SW/PAD Section – ················· 41
6-22. Printed Wiring Boards – LEAF SW Section – ················· 42
6-23. Schematic Diagram – LEAF SW Section – ····················· 43
6-24. Printed Wiring Boards – DRIVER Section – ··················· 44
6-25. Schematic Diagrams – DRIVER Section – ······················ 45
6-26. Printed Wiring Boards – TRANS Section – ····················· 46
6-27. Schematic Diagram – TRANS Section – ························· 47
6-28. IC Pin Functions ······························································· 48
6-29. IC Block Diagrams ··························································· 57
7. EXPLODED VIEWS
7-1.
MAIN Section ·································································· 61
7-2.
Front PANEL Section ······················································· 62
7-3.
Chassis Section ································································· 63
7-4.
Tape Mechanism Section-1 (TCM-230MWR41) ············· 64
7-5.
Tape Mechanism Section-2 (TCM-230AWR41) ·············· 65
7-6.
CD Mechanism Deck Section (CDM58E-30BD61A) ····· 66
7-7.
Base Unit Section (BU-30BD61A) ·································· 67
8. ELECTRICAL PARTS LIST
······································· 68
General
Power requirements
Australian models:
Australian models:
230 — 240 V AC,
50/60 Hz
50/60 Hz
Mexican models:
120 V AC, 60 Hz
Thailand models:
220 V AC, 50/60 Hz
Other models:
120 V, 220 V or
230 — 240 V AC,
50/60 Hz
Adjustable with voltage
selector
230 — 240 V AC,
50/60 Hz
Adjustable with voltage
selector
Power consumption
HCD-VX777
HCD-VX777
250 watts
Dimensions (w/h/d)
HCD-VX777
HCD-VX777
Approx. 280 x 360 x 425 mm
Mass :
HCD-VX777
HCD-VX777
Approx. 11 kg
Supplied accessories:
AM loop antenna (1)
Remote commander (1)
Batteries (2)
Video cable (1)
FM lead antenna (1)
Front speaker pads (8)
(MHC-VX777 only)
Remote commander (1)
Batteries (2)
Video cable (1)
FM lead antenna (1)
Front speaker pads (8)
(MHC-VX777 only)
Design and specifications are subject to change without notice.
Click on the first or last page to see other HCD-VX777 service manuals if exist.