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TRINITRON KV-20FS12
Sony TRINITRON KV-20FS12 User Manual
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SER
VICE MANU
AL
B
A-5
CHASSIS
MODEL
COMMANDER
DEST
CHASSIS NO
.
KV
-20FS12
RM-Y173
US
SCC-S40A-A
KV
-20FS12
RM-Y173
CND
SCC-S41A-A
KV
-20FV12
RM-Y168
US
SCC-S40B-A
KV
-20FV12
RM-Y168
CND
SCC-S41B-A
KV
-21FE12
RM-Y173
E
SCC-S38A-A
KV
-21FE12A
RM-Y173
E
SCC-S38F-A
KV
-21FE12C
RM-Y173
E
SCC-S38B-A
KV
-21FM12
RM-Y172
MX
SCC-S39A-A
KV
-21FV12
RM-Y168
E
SCC-S38C-A
KV
-21FV12C
RM-Y168
E
SCC-S38D-A
TRINITR
ON
®
COLOR
TV
RM-Y168
KV
-21FV12
879 Front.p65
01/31/00, 3:10 PM
1
2
Table of Contents
Default Chapter
1
Service Manual
1
Specifications
2
Table of Contents
3
Warnings and Cautions
4
Self-Diagnostic Function
4
Safety Check-Out Instructions
7
1 General
8
Using the Remote Control and Basic Functions
11
Other Information
12
Troubleshooting
12
2 Disassembly
13
Rear Cover Removal
13
Chassis Assembly Removal
13
Service Position
13
Picture Tube Removal
14
3 Set-Up Adjustments
15
Beam Landing
15
Convergence
16
Focus
17
Screen (G2)
17
Method of Setting the Service Adjustment Mode
18
White Balance Adjustments
18
4 Safety Related Adjustments
19
R562 Confirmation Method (HV Hold-Down Confirmation and Readjustments)
19
B+ Voltage Confirmation and Adjustment
19
5 Circuit Adjustments
21
Setting the Service Adjustment Mode
21
Memory Write Confirmation Method
21
Adjustment Buttons and Indicators
21
Adjustment Items
22
MB Board Adjustments
24
6 Diagrams
27
Printed Wiring Boardsand Schematic Diagrams
27
Circuit Board Location
27
K Board
29
MB Board
30
CB Board
32
Semiconductors
33
7 Exploded View
34
Chassis (KV-21FE12/C ONLY)
34
Chassis (KV-21FE12A MODEL ONLY)
35
Chassis (KV-20FV12/21FV12/C ONLY)
37
Chassis (KV-20FS12/21FM12 ONLY)
37
8 Electrical Parts List
38
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Sony TRINITRON KV-20FS12 Specifications
General
Screen Size
20 inches
Display Type
CRT
Resolution
480i
Aspect Ratio
4:3
Comb Filter
3D Digital Comb Filter
Speakers
2
Inputs
Composite, S-Video
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