Table Of Contents - Sony TRINITRON KV-20FV10 Service Manual

Section
Warnings and Cautions ............................................................................................................................................................... 4
Self-Diagnostic Function ............................................................................................................................................................. 4
Safety Check-Out Instructions .................................................................................................................................................... 7
1. GENERAL ........................................................................................................................................................... 8
2. DISASSEMBLY
2-1. Rear Cover Removal .................................................................................................................................................... 14
2-2. A Board Removal .......................................................................................................................................................... 14
2-3. Service Position ............................................................................................................................................................ 14
2-4. Picture Tube Removal ................................................................................................................................................... 15
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ............................................................................................................................................................... 16
3-2. Convergence ................................................................................................................................................................. 17
3-3. Focus ............................................................................................................................................................................. 18
3-4. Screen (G2) ................................................................................................................................................................... 18
3-5. Method of Setting the Service Adjustment Mode ......................................................................................................... 19
3-6. White Balance Adjustments .......................................................................................................................................... 19
4. SAFETY RELATED ADJUSTMENTS
4-1. R582 and R584 Confirmation Method (HV Hold-Down Confirmation and Readjustments) ................................... 20
4-2. B+ Voltage Confirmation and Adjustment ..................................................................................................................... 20
5. CIRCUIT ADJUSTMENTS
5-1. Setting the Service Adjustment Mode .......................................................................................................................... 22
5-2. Memory Write Confirmation Method ............................................................................................................................. 22
5-3. Adjustment Buttons and Indicators ............................................................................................................................... 22
5-4. A Board Adjustments .................................................................................................................................................... 24
6. DIAGRAMS
6-1. Block Diagram ............................................................................................................................................................... 27
6-2. Circuit Board Location .................................................................................................................................................. 30
6-3. Printed Wiring Boards and Schematic Diagrams ......................................................................................................... 30
• A Board .................................................................................................................................................................... 31
• C Board .................................................................................................................................................................... 38
• G Board .................................................................................................................................................................... 39
• HZ Board .................................................................................................................................................................. 42
• V Board .................................................................................................................................................................... 43
6-4. Semiconductors ............................................................................................................................................................ 49
7. EXPLODED VIEW
7-1. Chassis (KV-20FV10/21FV10/21FV10C) ..................................................................................................................... 50
7-2. Chassis (KV-25FV10A ONLY) ....................................................................................................................................... 51
8. ELECTRICAL PARTS LIST

TABLE OF CONTENTS

Title
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KV-20FV10/21FV10/21FV10C/25FV10A
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