Read Sony KV-21FS140 (serv.man4) Service Manual online
KV-21FS140
KV-21FS140
3
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION TITLE
PAGE
Specifi cations ........................................................................... 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. Confi rming 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
4-5. Semiconductors .............................................................. 46
SECTION 5: EXPLODED VIEWS ........................................................ 47
5-1. Chassis ........................................................................... 47
5-2. Picture Tube ................................................................... 48
SECTION 6: ELECTRICAL PARTS LIST ............................................ 49
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