Read Sony MHC-W55 / STR-W55 (serv.man2) Service Manual online
– 2 –
Specifications ................................................................................... 1
1.
GENERAL
............................................................................... 3
2.
TEST MODE
........................................................................... 4
3.
ELECTRICAL ADJUSTMENTS
.......................................... 5
4.
EXPLANATION OF IC TERMINALS
.................................. 6
5.
DIAGRAMS
5-1. Printed Wiring Boards – Main Section– .......................... 10
5-2. Schematic Diagram – Main Section– .............................. 13
5-3. Schematic Diagram – Panel Section– ............................. 18
5-4. Printed Wiring Boards – Panel Section– ......................... 21
5-5. Schematic Diagram – TCB Section– ............................... 23
5-6. Printed Wiring Boards – TCB Section– .......................... 25
5-2. Schematic Diagram – Main Section– .............................. 13
5-3. Schematic Diagram – Panel Section– ............................. 18
5-4. Printed Wiring Boards – Panel Section– ......................... 21
5-5. Schematic Diagram – TCB Section– ............................... 23
5-6. Printed Wiring Boards – TCB Section– .......................... 25
6.
EXPLODED VIEWS
6-1. Chassis Section ................................................................ 26
6-2. Front Panel Section ......................................................... 27
6-2. Front Panel Section ......................................................... 27
7.
ELECTRICAL PARTS LIST
............................................... 28
Section
Title
Page
TABLE OF CONTENTS
MODEL INDENTIFICATION
– BACK PANEL –
– BACK PANEL –
Parts No.
Model
4-978-033-6
π
UK
4-978-033-2
π
AEP, German, Italian, AED
r
Abbreviation
AED : Norway, Sweden, Finland, Denmark
AED : Norway, Sweden, Finland, Denmark
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged
• Notice that the minus side of a tantalum capacitor may be damaged
by heat.
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 PUBLISHED BY SONY.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
220-230V AC, 50/60Hz (EXCEPT UK)
220-240V AC, 50/60Hz (UK)
220-240V AC, 50/60Hz (UK)
Click on the first or last page to see other MHC-W55 / STR-W55 (serv.man2) service manuals if exist.