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TABLE OF CONTENTS
1.
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2.
......................................................... 4
3.
.............................................................. 6
4.
4-1. Block Diagram - MAIN Section (1/2) - ....................... 7
4-2. Block Diagram - MAIN Section (2/2) - ....................... 9
- DISPLAY/POWER SUPPLY Section - ...................... 11
4-4. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 13
4-5. Printed Wiring Board - MAIN Board - ........................ 15
4-7. Schematic Diagram - Main Board (1/4) - .................... 19
4-9. Schematic Diagram - Main Board (3/4) - .................... 23
PRIMARY Board - ......................................................... 25
4-11. Printed Wiring Boards - PANEL Section - .................. 27
4-12. Schematic Diagram - PANEL Section - ....................... 29
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4-14. Schematic Diagram
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1 3
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- VOLUME Board/TONE Board - ................................ 32
4-15. IC Pin Function Description ........................................... 36
5.
6.
SAFETY-RELATED COMPONENT WARNING!!
co
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.
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