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. 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. 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

- 3 -

KV-20FS100/20FV300/21FM100/21FS100/

21FV300/24FV300/25FV300

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