Sony str w 55 service manual

Page 2

Power consumption
730 warts
Dimensions
Amplifier/Tuner section:
Approx 280 x 205 x 345 mm
(w/h/d)
Mass
Amplifier/Tuner section:
Approx, 6.4 kg

Design and specifications are subject to
dnange without notice.

Notes on chip component replacement

0 Never reuse a disconnected chip component
0 Notice that the minus side of a tantalum capacitor
may be damaged by heat.

SAFETY-RELATED COMPONENT WARNING-II

COMPONENTS IDENTIFIED BY MARK A OR DOT'I'ED
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 PUB-
LISHED BY SONY.

MODEL IDENTIFICATION
- BACK PANEL -

TABLE OF CONTENTS
Section Title Page
Specifications ............................................................... 1
1_ GENERAL ............................................................. 3
2. TEST MODE .......................................................... 4
3. ELECTRICAL ADJUSTMENTS ................................ 5
4. EXPLANATION OF IC TERMINALS ~~~~~~~~~~~~~~~~~~~~~~~~~~ 7
5. DIAGRAMS
5-1. Printed Wiring Boards ~ Main Section - ~
S»2l Schematic Diagram -- Main Section -
5-3, Schematic Diagram - Panel Section -
54 Printed Wiring Boards - Panel Section -
S-Sl Schematic Diagram - TCB Section -
5-6l Printed Wiring Boards - TCB Section -
6. EXPLODED VIEWS
6-1, Chassis Section
6-2, Front Panel Sectio 27
7_ ELECTRICAL PARTS LIST ................................... 28
Parts No. Model
4-978-033-1 [I E, Saudi Arabia, Argentine, Tourist
4-978-033~3 I] Australian
4-978»033-4 1:] Hong Kong
4-978-033-5 El Malaysia, Singapore, Mexican
4-980v482-0 I:I Thailand