KV-21FA240 - Sony TV Service Manual (repair manual). Page 2

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KV-21FA240
KV-21FA240 
3
TABLE OF CONTENTS
SECTION TITLE   
PAGE
SECTION TITLE   
PAGE
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 .............................................................. 10
1-4.  Picture Tube Removal .....................................................11
 
Anode Cap Removal Procedure ......................................11
SECTION 2:  SET-UP ADJUSTMENTS ................................................ 12
2-1.  Beam Landing ................................................................ 12
2-2.  Convergence .................................................................. 13
2-3.  Focus .............................................................................. 14
2-4.  Screen (G2) .................................................................... 15
SECTION 3:  CIRCUIT ADJUSTMENTS .............................................. 16
3-1.  Remote Adjustment Buttons and Indicators ................... 16
3-2.  Accessing the Service Menu Mode ................................ 17
3-3.  Confirming Service Adjustment Changes ....................... 18
3-4.  White Balance Adjustments ............................................ 18
3-5.  Picture Quality Adjustments ........................................... 18
PAL 50Hz Normal Mode ......................................................... 19
SECTION 4:  DIAGRAMS ..................................................................... 35
4-1.  Circuit Boards Location .................................................. 35
4-2.  Printed Wiring Board and 
 
Schematic Diagram Information ..................................... 35
4-3.  Block Diagrams and Schematics .................................... 36
Signal Flow Block Diagram ............................................ 36
4-4.  Schematics and Supporting Information ........................ 37
A Board Schematic Diagram (1 of 6) ............................. 37
A Board Schematic Diagram (2 of 6) ............................. 38
A Board Schematic Diagram (3 of 6) ............................. 39
A Board Schematic Diagram (4 of 6) ............................. 40
A Board Schematic Diagram (5 of 6) ............................. 41
A Board Schematic Diagram (6 of 6) ............................. 42
C Board Schematic Diagram ......................................... 44
J Board Schematic Diagram .......................................... 46
4-5.  Semiconductors .............................................................. 47
SECTION 5:  EXPLODED VIEWS ........................................................ 48
5-1.  Picture Tube ................................................................... 48
5-2.  Chassis ........................................................................... 49
SECTION 6:  ELECTRICAL PARTS LIST ............................................ 50
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