Read Sony TA-VA777ES / VUCD-777A Service Manual online
3
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE WITH
MARK
0
ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
TABLE OF CONTENTS
1.
GENERAL
······································································ 4
2.
ADJUSTMENT
······························································ 6
3.
DIAGRAMS
···································································· 7
3-1.
Circuit Boards Location ····················································· 7
3-2.
Block Diagram Main Section ············································ 8
3-3.
Block Diagram Digital Section ········································· 9
3-4.
Block Diagram Control Section ······································ 10
3-5.
Block Diagram Power Section ········································ 11
3-6.
Printed Wiring Board Audio Section ······························· 12
3-7.
Schematic Diagram Audio Section ·································· 13
3-8.
Printed Wiring Board Video Section ······························· 14
3-9.
Schematic Diagram Video Section ·································· 15
3-10. Printed Wiring Board Volume Section(SIDE A) ············· 16
3-11. Printed Wiring Board Volume Section(SIDE B) ············· 17
3-12. Schematic Diagram Volume Section(1/2) ······················· 18
3-13. Schematic Diagram Volume Section(2/2) ······················· 19
3-14. Printed Wiring Board Digital Section(SIDE A) ·············· 20
3-15. Printed Wiring Board Digital Section(SIDE B) ·············· 21
3-16. Schematic Diagram Digital Section(1/7) ························ 22
3-17. Schematic Diagram Digital Section(2/7) ························ 23
3-18. Schematic Diagram Digital Section(3/7) ························ 24
3-19. Schematic Diagram Digital Section(4/7) ························ 25
3-20. Schematic Diagram Digital Section(5/7) ························ 26
3-21. Schematic Diagram Digital Section(6/7) ························ 27
3-22. Schematic Diagram Digital Section(7/7) ························ 28
3-23. Printed Wiring Board AMP Section ································ 29
3-24. Schematic Diagram AMP Section(1/2) ··························· 30
3-25. Schematic Diagram AMP Section(2/2) ··························· 31
3-26. Printed Wiring Board Display Section(SIDE A) ············· 32
3-27. Printed Wiring Board Display Section(SIDE B) ············· 33
3-28. Schematic Diagram Display Section(1/2) ······················· 34
3-29. Schematic Diagram Display Section(2/2) ······················· 35
3-30. Printed Wiring Board Switch Section ····························· 36
3-31. Printed Wiring Board Control Jack Section ···················· 37
3-32. Schematic Diagram Control Jack Section ······················· 37
3-33. Printed Wiring Board Speaker Terminal Section ············ 38
3-34. Schematic Diagram Speaker Terminal Section ··············· 39
3-35. Printed Wiring Board Power Supply Section ·················· 40
3-36. Printed Wiring Board AC Power Supply Section ············ 41
3-37. Schematic Diagram Power Supply Section ····················· 42
3-38. IC Block Diagrams ··························································· 43
3-39. IC Pin Function Description ············································· 47
3-11. Printed Wiring Board Volume Section(SIDE B) ············· 17
3-12. Schematic Diagram Volume Section(1/2) ······················· 18
3-13. Schematic Diagram Volume Section(2/2) ······················· 19
3-14. Printed Wiring Board Digital Section(SIDE A) ·············· 20
3-15. Printed Wiring Board Digital Section(SIDE B) ·············· 21
3-16. Schematic Diagram Digital Section(1/7) ························ 22
3-17. Schematic Diagram Digital Section(2/7) ························ 23
3-18. Schematic Diagram Digital Section(3/7) ························ 24
3-19. Schematic Diagram Digital Section(4/7) ························ 25
3-20. Schematic Diagram Digital Section(5/7) ························ 26
3-21. Schematic Diagram Digital Section(6/7) ························ 27
3-22. Schematic Diagram Digital Section(7/7) ························ 28
3-23. Printed Wiring Board AMP Section ································ 29
3-24. Schematic Diagram AMP Section(1/2) ··························· 30
3-25. Schematic Diagram AMP Section(2/2) ··························· 31
3-26. Printed Wiring Board Display Section(SIDE A) ············· 32
3-27. Printed Wiring Board Display Section(SIDE B) ············· 33
3-28. Schematic Diagram Display Section(1/2) ······················· 34
3-29. Schematic Diagram Display Section(2/2) ······················· 35
3-30. Printed Wiring Board Switch Section ····························· 36
3-31. Printed Wiring Board Control Jack Section ···················· 37
3-32. Schematic Diagram Control Jack Section ······················· 37
3-33. Printed Wiring Board Speaker Terminal Section ············ 38
3-34. Schematic Diagram Speaker Terminal Section ··············· 39
3-35. Printed Wiring Board Power Supply Section ·················· 40
3-36. Printed Wiring Board AC Power Supply Section ············ 41
3-37. Schematic Diagram Power Supply Section ····················· 42
3-38. IC Block Diagrams ··························································· 43
3-39. IC Pin Function Description ············································· 47
4.
EXPLODED VIEWS
4-1.
Case Section ····································································· 52
4-2.
Chassis Section ································································· 53
4-3.
Front Panel Section ·························································· 54
4-4.
Back Panel Section ··························································· 55
5.
ELECTRICAL PARTS LIST
··································· 56
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