Sony str gx 79 es service manual

Page 2

STR-GX79ES

General TABLE OF CONTENTS
System
Tuner section: PLL quartz-locked digital synthesizer system

Preamplilier section: low-noise NF type equalizer amp m M BEE
Power amplifier section: pure complementary SEPP
Power requirements 1. GENERAL
- V AC, 50 60 H . r .
Ac 5536530 I Z Parts Identification .................................. 3
One switched (100 W Max.) Hooking Up the System ............................. 4
Dimensions
Approx. 430 x 150 x 375 mm (w/h/d)
(17 x57,a x 14% inches) 2. ELECTRICAL ADJUSTMENTS ................... 5
including projecting parts and controls
welim rox 11k (24 |b502) 3 DIAGRAMS
Acceggories supined 3-1 Circuit Boards Location .......................... 8
FM wire antenna (1) (Except German model) 3-2. Printed Wiring Boards *Main Section? .
AM loop antennaU) 3-34 Schematic Diagram -Main Section- ............ 13
Remote Commander C . . .
RM-U223 (1) 3-4 Schematic Diagram -Display Sectioni .......... 18
Sony baneries SUM-3W5) (2) 3-5 Printed Wiring Boards -Display Section- ...... 21
Design and specifications are subject to change without notice. 3'6 Semiconductor Lead Layouts """""""""" 24
09 4. EXPLODED VIEWS
This appliance conforms with EEC Directive 87/308/EEC regarding 44 Front Panel Section 2 6
interference suppression. , ............................
4-2. Chassis Section .................................. 27
5. ELECTRICAL PARTS LIST ...................... 28

MODEL IDENTIFICATION
-BACK PANEL-

5@R@ ©©

SAFETY~RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED 3v MARK A OR DOTTED VII/l
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS

AND N THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH

SONY PARTS WHOSE PART NUMBERS APPEAR AS 4v953-1071UAE2: Scandinavian countries, Switzerland. Spain and Portugal
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- 4.9531070 D A51; omr European countries
LISHED BY SONY- 4953-107-2 I] G: Germany model