2
TA-S7AV
TABLE OF CONTENTS
1. SERVICING NOTES ............................................... 3
2. GENERAL ................................................................... 4
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 5
3-2. Cover ............................................................................... 6
3-3. Front Panel Section ......................................................... 6
3-4. Back Panel (AV) Section ................................................ 7
3-5. FRONT AMP Board ....................................................... 7
4. TEST MODE.............................................................. 8
5. DIAGRAMS
5-1. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 10
5-2. Printed Wiring Boards – FRONT AMP Section – ........ 11
5-3. Schematic Diagram – FRONT AMP Section (1/2) – .... 12
5-4. Schematic Diagram – FRONT AMP Section (2/2) – .... 13
5-5. IC Pin Function Description ........................................... 14
5-6. Printed Wiring Board
– SURROUND AMP Section – ...................................... 14
5-7. Schematic Diagram
– SURROUND AMP Section – ...................................... 15
5-8. Printed Wiring Boards – CONTROL Section – ............ 16
5-9. Schematic Diagram – CONTROL Section –................. 17
5-10. Printed Wiring Boards – POWER Section – ................. 18
5-11. Schematic Diagram – POWER Section – ..................... 19
6. EXPLODED VIEWS
6-1. Cover Section .................................................................. 20
6-2. Front Panel Section ......................................................... 20
6-3. Chassis Section ............................................................... 21
7. ELECTRICAL PARTS LIST ............................... 22
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 PUB-
LISHED BY SONY.
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