– 2 –
TABLE OF CONTENTS
1.
GENERAL
...................................................................
3
2.
DISASSEMBLY
.........................................................
4
3.
TEST MODE
..............................................................
6
4.
DIAGRAMS
4-1. Block Diagram – MAIN Section (1/2) – .......................
7
4-2. Block Diagram – MAIN Section (2/2) – .......................
9
4-3. Block Diagram
– DISPLAY/POWER SUPPLY Section – ...................... 11
4-4. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 13
4-5. Printed Wiring Board – MAIN Board – ........................ 15
4-6. Printed Wiring Boards
– SP SW Board/SECONDARY Board/
STANDBY Board/PRIMARY Board – .......................... 17
4-7. Schematic Diagram – Main Board (1/4) – .................... 19
4-8. Schematic Diagram
– Main Board (2/4)/SP SW Board – ............................... 21
4-9. Schematic Diagram – Main Board (3/4) – .................... 23
4-10. Schematic Diagram – Main Board (4/4)/
SECONDARY Board/STANDBY Board/
PRIMARY Board – ......................................................... 25
4-11. Printed Wiring Boards – PANEL Section – .................. 27
4-12. Schematic Diagram – PANEL Section – ....................... 29
4-13. Printed Wiring Boards
– VOLUME Board/TONE Board – ................................ 31
4-14. Schematic Diagram
– VOLUME Board/TONE Board – ................................ 32
4-15. IC Pin Function Description ........................................... 36
5.
EXPLODED VIEWS
................................................ 38
6.
ELECTRICAL PARTS LIST
............................... 41
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 PUB-
LISHED BY SONY.