KV-21FA210 (serv.man2) - Sony TV Service Manual (repair manual). Page 2

Specifications ............................................................................................................................................................................. 4

Warnings and Cautions .............................................................................................................................................................. 5

Safety Check-Out ....................................................................................................................................................................... 6

Self-Diagnostic Function............................................................................................................................................................. 7

SECTION 1:  DISASSEMBLY............................................................................................................................................................. 9

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

SECTION 2:  SET-UP ADJUSTMENTS.............................................................................................................................................11

2-1.  Beam Landing...................................................................................................................................................................11

2-2.  Convergence.................................................................................................................................................................... 12

2-3.  Focus ............................................................................................................................................................................... 13

2-4.  Screen (G2)...................................................................................................................................................................... 14

2-5.  Method of Setting the Service Adjustment Mode ............................................................................................................. 14

2-6.  White Balance Adjustments ............................................................................................................................................. 14

SECTION 3:  SAFETY RELATED ADJUSTMENTS......................................................................................................................... 15

3-1.  X R565 Confirmation Method (HV Hold-Down Confirmation) and Readjustments ........................................................ 15

3-2.  B+ Voltage Confirmation and Adjustment ........................................................................................................................ 15

SECTION 4:  CIRCUIT ADJUSTMENTS.......................................................................................................................................... 17

4-1.  Setting the Service Adjustment Mode .............................................................................................................................. 17

4-2.  Memory Write Confirmation Method ................................................................................................................................ 17

4-3.  Remote Adjustment Buttons and IndicatorS .................................................................................................................... 17

4-4.  ID Map Table.................................................................................................................................................................... 26

4-5.  A Board Adjustments........................................................................................................................................................ 26

SECTION 5:  DIAGRAMS................................................................................................................................................................. 29

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

M3 Board Schematic Diagram ......................................................................................................................................... 36

HR Board Schematic Diagram......................................................................................................................................... 38

CV Board Schematic Diagram ......................................................................................................................................... 39

K Board Schematic Diagram............................................................................................................................................ 41

KB Board Schematic Diagram ......................................................................................................................................... 41

5-4.  Semiconductors ............................................................................................................................................................... 42

SECTION 6:  EXPLODED VIEWS.................................................................................................................................................... 43

6-1.  Picture Tube..................................................................................................................................................................... 43

6-2.  Chassis ............................................................................................................................................................................ 44

SECTION 7:  ELECTRICAL PARTS LIST........................................................................................................................................ 45