Sony STR-K685, Service Manual

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3
STR-K685
TABLE OF CONTENTS
1. GENERAL
................................................................... 4
2. TEST MODE
............................................................... 10
3. ELECTRICAL ADJUSTMENT
............................. 12
4. DIAGRAMS
................................................................. 13
4-1. Block Diagram – MAIN Section – .................................. 14
4-2. Block Diagram – DISPLAY/POWER Section – ............. 15
4-3. Printed Wiring Board – DIGITAL Board (Side A) – ...... 16
4-4. Printed Wiring Board – DIGITAL Board (Side B) – ...... 17
4-5. Schematic Diagram – DIGITAL Board (1/5) – .............. 18
4-6. Schematic Diagram – DIGITAL Board (2/5) – .............. 19
4-7. Schematic Diagram – DIGITAL Board (3/5) – .............. 20
4-8. Schematic Diagram – DIGITAL Board (4/5) – .............. 21
4-9. Schematic Diagram – DIGITAL Board (5/5) – .............. 22
4-10. Printed Wiring Board – MAIN Board – ......................... 23
4-11. Printed Wiring Board – STANDBY Board,
AC SELECT Board (E51 only) – .................................... 24
4-12. Schematic Diagram – MAIN Board (1/4) – ................... 25
4-13. Schematic Diagram – MAIN Board (2/4),
STANDBY Board, AC SELECT Board (E51 only) – ..... 26
4-14. Schematic Diagram – MAIN Board (3/4) – ................... 27
4-15. Schematic Diagram – MAIN Board (4/4) – ................... 28
4-16. Printed Wiring Board – DISPLAY Board – ................... 29
4-17. Schematic Diagram – DISPLAY Board – ...................... 30
4-18. Printed Wiring Boards – POWER Board, DCAC Board,
HEADPHONE Board – ................................................... 31
4-19. Schematic Diagram – POWER Board, DCAC Board,
HEADPHONE Board – ................................................... 32
5. EXPLODED VIEWS
5-1. Front Panel Section ......................................................... 39
5-2. Chassis Section ................................................................ 40
6. ELECTRICAL PARTS LIST
.................................. 41