Section Title
Page
Warnings and Cautions .................................................................................................................................................. 4
Self-Diagnostic Function ................................................................................................................................................. 4
Safety Check Out Instructions ........................................................................................................................................ 7
1. GENERAL ............................................................................................................................................................
8
2. DISASSEMBLY
2-1. Rear Cover Removal .................................................................................................................................................... 12
2-2. A Board Removal .......................................................................................................................................................... 12
2-3. Service Position ............................................................................................................................................................ 12
2-4. Picture Tube Removal .................................................................................................................................................. 13
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ............................................................................................................................................................... 14
3-2. Convergence ................................................................................................................................................................. 15
3-3. Focus ............................................................................................................................................................................ 16
3-4. Screen (G2) ................................................................................................................................................................... 16
3-5. Method of Setting the Service Adjustment Mode .............................................................................. ........................... 16
3-6. White Balance Adjustments .......................................................................................................................................... 16
4. SAFETY RELATED ADJUSTMENTS
4-1.
R582 Confirmation Method (HV Hold-Down Confirmation and Readjustments) .................................................... 17
4-2. B+ Voltage Confirmation and Adjustment .................................................................................................................... 17
5. CIRCUIT ADJUSTMENTS
5-1. Setting the Service Adjustment Mode .......................................................................................................................... 19
5-2. Memory Write Confirmation Method ............................................................................................................................. 19
5-3. Adjust Buttons and Indicators ....................................................................................................................................... 19
5-4. A Board Adjustments .................................................................................................................................................... 22
6. DIAGRAMS
6-1. Block Diagram ............................................................................................................................................................... 27
6-2. Circuit Board Location .................................................................................................................................................. 30
6-3. Printed Wiring Boards and Schematic Diagrams ......................................................................................................... 33
• A Board ..................................................................................................................................................................... 33
• C Board .................................................................................................................................................................... 42
6-4. Semiconductors ............................................................................................................................................................ 43
7. EXPLODED VIEWS
7-1. Chassis (KV-20S43/21SE42/42C/82/82C/ME42/42C) ................................................................................................. 44
7-2. Chassis (KV-20M42/S42/21MB42C/42M/42P/SB42C/42M) ........................................................................................ 45
8. ELECTRICAL PARTS LIST
...........................................................................................................................47
Table of Contents for Parts List ...........................................................................................................................................47
A Board Common Parts Listing............................................................................................................................................48
C Board Parts List................................................................................................................................................................56
A Board Variant Parts Lists...................................................................................................................................................57
Packaging List and Accessories....................................................................................................................................................65
TABLE OF CONTENTS
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KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
