Read Sony KDL-20G3000 / KDL-20G3030 Service Manual online
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SE2
RM-ED005
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
1. GENERAL ...................................................................
3
Caution ................................................................
3
Specifications ......................................................
4
Connectors ..........................................................
5
Self Diagnosis .....................................................
7
2. DISASSEMBLY
2-1.
Rear Cover Removal ...........................................
8
2-2.
Stand Removal ....................................................
8
2-3.
B2 Board Removal ..............................................
9
2-4.
GS1 Board Removal ...........................................
9
2-5.
H1G Board Removal ..........................................
10
2-6.
H3G Board Removal ..........................................
10
2-7.
Loudspeaker Removal ........................................
11
2-8.
LCD Panel Removal ...........................................
11
3. CIRCUIT ADJUSTMENTS
3-1.
Electrical Adjustments .......................................
12
3-2.
TT Mode ............................................................
14
3-3.
TT OSD Labels ..................................................
15
4. DIAGRAMS
4-1.
Block Diagram ....................................................
16
4-2.
Circuit Board Location ........................................
17
4-3.
Schematic Diagrams and Printed Wiring
Boards .................................................................
17
B2 Board Schematic Diagram .............................
18
GS1 Board Schematic Diagram ..........................
50
H1G Board Schematic Diagram .........................
55
H3G Board Schematic Diagram .........................
56
B2 Printed Wiring Board ....................................
57
H1G Printed Wiring Board .................................
57
H3G Printed Wiring Board .................................
58
GS1 Printed Wiring Board .................................
59
5. EXPLODED VIEWS
5-1.
Chassis ................................................................
60
5-2.
Rear Cover, Stand & Bezel .................................
61
6. ELECTRICAL PARTS LIST .................................. 62
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED
ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
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