Read Sony STR-WX7 Service Manual online
2
TABLE OF CONTENTS
1. GENERAL
........................................................................... 3
2. DISASSEMBLY
2-1.
Slideng Panel Assembly ····················································· 4
2-2.
Level Slider ········································································ 4
3. SERVICE MODE
.............................................................. 5
4. DIAGRAMS
4-1.
Circuit Boards Location ·················································· 9
4-2.
Block Diagrams
• Main Section ································································ 10
• Power Section ······························································ 11
• Main Section ································································ 10
• Power Section ······························································ 11
4-3.
Printed Wiring Board Main Section ························· 12
4-4.
Schematic Diagram Main (1/2) Section ···················· 13
4-5.
Schematic Diagram Main (2/2) Section ························· 14
4-6.
Schematic Diagram AV/Mic Section ······························ 15
4-7.
Printed Wiring Board AV/Mic Section ··························· 15
4-8.
Schematic Diagram Power Amp Section ······················· 16
4-9.
Printed Wiring Board Power Amp Section ····················· 17
4-10. Schematic Diagram Display Section ······························ 18
4-11. Printed Wiring Board Display Section ··························· 19
4-12. Schematic Diagram Sliding Panel Section ····················· 20
4-13. Printed Wiring Board Sliding Panel Section ·················· 21
4-14. Schematic Diagram Surround Section ··························· 22
4-15. Printed Wiring Board Surround Section ························· 23
4-16. Printed Wiring Board Trans Section ······························· 24
4-17. Schematic Diagram Trans Section ································· 25
4-18. IC Block Diagrams ··························································· 26
4-19. IC Pin Function ································································ 28
4-11. Printed Wiring Board Display Section ··························· 19
4-12. Schematic Diagram Sliding Panel Section ····················· 20
4-13. Printed Wiring Board Sliding Panel Section ·················· 21
4-14. Schematic Diagram Surround Section ··························· 22
4-15. Printed Wiring Board Surround Section ························· 23
4-16. Printed Wiring Board Trans Section ······························· 24
4-17. Schematic Diagram Trans Section ································· 25
4-18. IC Block Diagrams ··························································· 26
4-19. IC Pin Function ································································ 28
5. EXPLODED VIEWS
6-1.
Case and Sliding Panel Section ........................................ 31
6-2.
Front Panel Section .......................................................... 32
6-3.
Slide Mechanism Section ................................................. 33
6-4.
Circuit Boards and Back Panel Section ............................ 34
7. ELECTRICAL PARTS LIST
........................................ 35
LABEL MODEL NUMBER
No.
MODEL IDENTIFICATION
— BACK PANEL —
— BACK PANEL —
Saudi Arabia, Singapore,
Malaysia, Australian model
Malaysia, Australian model
4-900-848-2
π
Thai model
4-900-848-3
π
MODEL
PART No.
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
Australian model:
Australian model:
240V AC, 50/60Hz
Thailand model:
220V AC, 50/60Hz
Other models:
120V or 220V or 230 – 240, 50/60Hz
Adjustable with voltage selector
Adjustable with voltage selector
Power consumption
340W
Dimensions (w/h/d)
Approx. 288
×
205
×
375mm
Mass
Approx. 8.8kg
Design and specifications are subject to change without notice.
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