Sony st s 261 service manual

Page 2

MODEL IDENTIFICATION

TABLE OF CONTENTS

_ BACK PANEL _ $3.1m LLe Eagg
SECTION 1. GENERAL .................................................. 3
SECTION 2 TEST MODE ............................................. 9
SECTION 3. ELECTRICAL ADJUSTMENTS ................. 10
m SECTION 4. DIAGRAMS
( i t ) 4-1. Schematic Diagram - Tuner Section -..

4-973-843-1EI (AEP modeI)
4'973-843-3EI (UK model)

4-2.
4-3

Primed Wiring Board - Tuner Section --
Schematic Dlagram - Display Secilon -

4-4. Printed Wiring Board - Dismay Section -
4-5. IC Block Diagrams ......................................
4-6. IC Pln Function

- IC7OI System Control IC (uPD78044AGF-094-3B9) .. 20
SECTION 5. EXPLODED VIEW ..................................... 22
SECTION 6. ELECTRICAL PARTS LIST.,.....................23

SAFETY-RELATED COMPONENT WARNING I!

COMPONENTS IDENTIFIED BY MARK A OR DOTTED

LINE WITH MARK A 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 BV SONY.