Read Sony KV-21FA350 Service Manual online
KV-21FA350/21FA550
KV-21FA350/21FA550
3
TABLE OF CONTENTS
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 ............................................................................................................................................................................................ 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
SECTION 3: CIRCUIT ADJUSTMENTS .......................................................................................................................................................................... 15
3-1. Remote Adjustment Buttons and Indicators ............................................................................................................................................... 15
3-2. Accessing the Service Menu Mode ............................................................................................................................................................ 16
3-3. Confi rming Service Adjustment Changes ................................................................................................................................................... 17
3-4. White Balance Adjustments ........................................................................................................................................................................ 17
3-5. Picture Quality Adjustments ....................................................................................................................................................................... 17
3-6. Service Data ............................................................................................................................................................................................... 19
SECTION 4: DIAGRAMS ................................................................................................................................................................................................. 28
4-1. Circuit Boards Location .............................................................................................................................................................................. 28
4-2. Printed Wiring Board and Schematic Diagram Information ........................................................................................................................ 28
4-3. Block Diagram ............................................................................................................................................................................................ 29
Signal Flow Block Diagram ........................................................................................................................................................................ 29
4-4. Schematics and Supporting Information .................................................................................................................................................... 30
A Board Schematic Diagram (1 of 6) ......................................................................................................................................................... 30
A Board Schematic Diagram (2 of 6) ......................................................................................................................................................... 31
A Board Schematic Diagram (3 of 6) ......................................................................................................................................................... 32
A Board Schematic Diagram (4 of 6) ......................................................................................................................................................... 33
A Board Schematic Diagram (5 of 6) ......................................................................................................................................................... 34
A Board Schematic Diagram (6 of 6) ......................................................................................................................................................... 35
CV Board Schematic Diagram ................................................................................................................................................................... 37
H2 Board Schematic Diagram ................................................................................................................................................................... 38
J4 Board Schematic Diagram .................................................................................................................................................................... 39
W Board Schematic Diagram ..................................................................................................................................................................... 40
4-5. Semiconductors .......................................................................................................................................................................................... 41
SECTION 5: EXPLODED VIEWS .................................................................................................................................................................................... 42
5-1. Chassis and Speakers ............................................................................................................................................................................... 42
5-2. Picture Tube ............................................................................................................................................................................................... 43
SECTION 6: ELECTRICAL PARTS LIST ........................................................................................................................................................................ 44
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