Read Sony KV-20FS100 Service Manual online
— 3 —
KV-20FS100/20FV300/21FM100/21FS100/
21FV300/24FV300/25FV300
TABLE OF CONTENTS
SpeciÞ cations........................................................................................................................................ 4
Warnings and Cautions ........................................................................................................................ 5
Safety
Check-Out.................................................................................................................................. 6
Self-Diagnostic
Function....................................................................................................................... 7
1. Disassembly
1-1. Rear Cover Removal...................................................................................................................... 9
1-2. Chassis Assembly Removal .......................................................................................................... 9
1-3. Service Position ............................................................................................................................. 9
1-4. Picture Tube Removal .................................................................................................................. 10
Anode Cap Removal Procedure.................................................................................................. 10
2. Set-Up Adjustments
2-1.
2-1.
Beam
Landing.............................................................................................................................. 11
2-2.
Convergence................................................................................................................................ 12
2-3.
Focus ........................................................................................................................................... 13
2-4.
Screen
(G2) ................................................................................................................................. 13
2-5. Method of Setting the Service Adjustment Mode......................................................................... 14
2-6. White Balance Adjustments ......................................................................................................... 14
3. Safety Related Adjustments
3-1.
3-1.
X
R565 ConÞ rmation Method (HV Hold Down ConÞ rmation) and Readjustments.................... 15
3-2. B+ Voltage ConÞ rmation and Adjustment .................................................................................... 15
4. Circuit Adjustments
4-1. Setting the Service Adjustment Mode.......................................................................................... 17
4-2. Memory Write ConÞ rmation Method............................................................................................ 17
4-3. Remote Adjustment Buttons and Indicators ................................................................................ 17
Adjustment
Items ........................................................................................................................ 18
4-4. ID Map Table................................................................................................................................ 26
4-5. A Board Adjustments ................................................................................................................... 26
5. Diagrams
5-1. Circuit Boards Location................................................................................................................ 29
5-2. Printed Wiring Board and Schematic Diagram Information ........................................................ 29
5-3. Block Diagram and Schematics ................................................................................................... 30
A Board Schematic Diagram ....................................................................................................... 31
CV Board Schematic Diagram .................................................................................................... 41
HR Board Schematic Diagram .................................................................................................... 43
M3 Board Schematic Diagram .................................................................................................... 44
5-4.
Semiconductors ........................................................................................................................... 46
6. Exploded Views
6-1. Chassis (KV-21FM100 ONLY)..................................................................................................... 47
6-2. Chassis (KV-20FS100/21FS100 ONLY)...................................................................................... 48
6-3. Chassis (KV-20FV300/21FV300 ONLY)...................................................................................... 49
6-4. Chassis (KV-24FV300/25FV300 ONLY)...................................................................................... 50
7. Electrical Parts List ..................................................................................................................................... 51
SECTION TITLE
PAGE
Click on the first or last page to see other KV-20FS100 service manuals if exist.