Read Sony MHC-V7700AV / STR-V7700 Service Manual online
— 2 —
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tentalum capacitor may be damaged
• Never reuse a disconnected chip component.
• Notice that the minus side of a tentalum capacitor may be damaged
by heat.
TABLE OF CONTENTS
1.
GENERAL
······································································ 3
2.
TEST MODE
·································································· 5
3.
DIAGRAMS
···································································· 6
3-1.
Circuit Boards Location ····················································· 6
3-2.
Printed Wiring Board — Panel Section — ························· 7
3-3.
Schematic Diagram — Panel Section — ··························· 9
3-4.
Printed Wiring Board — Main Section — ······················· 12
3-5.
Schematic Diagram — Main Section — ·························· 15
3-6.
Printed Wiring Board and Schematic Diagram
— Amp/Key con Section — ············································ 19
— Amp/Key con Section — ············································ 19
3-7.
Printed Wiring Board and Schematic Diagram
— Mic Echo/AV in Section — ········································ 23
— Mic Echo/AV in Section — ········································ 23
3-8.
Printed Wiring Board and Schematic Diagram
— Power Section — ························································ 26
— Power Section — ························································ 26
3-9.
IC Pin Function ································································ 29
3-10. IC Block Diagrams ··························································· 31
4.
EXPLODED VIEWS
4-1.
Main Section ····································································· 33
4-2.
Panel Section ···································································· 34
5.
ELECTRICAL PARTS LIST
··································· 35
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
! OR DOTTED LINE WITH
MARK
! 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.
General
Power requirements
Thai model:
Thai model:
220-240V AC, 50/60 Hz
Other models:
110-120V or 220-240V
AC, 50/60Hz
Adjustable with voltage
selector
AC, 50/60Hz
Adjustable with voltage
selector
Power consumption
230watts
Dimensions (w/h/d)
Approx. 280
×
205
×
336 mm
Mass
Approx. 7.0kg
Design and specifications are subject to change without notice.
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