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KV-AR253M50
RM-W104
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION .............................. 3
1. DISASSEMBLY
1-1. Rear Cover Removal ................................................. 6
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal .............................................. 6
1-4. Service Position ........................................................ 6
1-5. Terminal Bracket Removal ...................................... 6
1-6. J1 Board Removal ..................................................... 6
1-7. F Board Removal ...................................................... 7
1-8. H1 and H2 Boards Removal ..................................... 7
1-9. A Board Removal ...................................................... 7
1-10. Picture Tube Removal ............................................... 8
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal .............................................. 6
1-4. Service Position ........................................................ 6
1-5. Terminal Bracket Removal ...................................... 6
1-6. J1 Board Removal ..................................................... 6
1-7. F Board Removal ...................................................... 7
1-8. H1 and H2 Boards Removal ..................................... 7
1-9. A Board Removal ...................................................... 7
1-10. Picture Tube Removal ............................................... 8
2. SET-UP ADJUSTMENTS
2-1. Beam Landing ........................................................... 9
2-2. Convergence ............................................................ 10
2-3. Focus Adjustment .................................................... 12
2-4. G2 (SCREEN) Adjustments ................................... 12
2-5. White Balance Adjustment ..................................... 12
2-6. Sub Bright Adjustment ........................................... 12
2-2. Convergence ............................................................ 10
2-3. Focus Adjustment .................................................... 12
2-4. G2 (SCREEN) Adjustments ................................... 12
2-5. White Balance Adjustment ..................................... 12
2-6. Sub Bright Adjustment ........................................... 12
3. CIRCUIT ADJUSTMENTS
3-1. Adjustment With Commander ................................ 13
3-2. Adjustment Method ................................................ 14
3-3. Picture Quality Adjustment .................................... 30
3-4. Deflection Adjustment ............................................ 31
3-5. Picture Distortion Adjustment ................................ 32
3-2. Adjustment Method ................................................ 14
3-3. Picture Quality Adjustment .................................... 30
3-4. Deflection Adjustment ............................................ 31
3-5. Picture Distortion Adjustment ................................ 32
Section
Title
Page
Section
Title
Page
4. DIAGRAMS
4-1. Block Diagram ........................................................ 34
4-2. Circuit Boards Location .......................................... 35
4-3. Schematic Diagram Information ............................ 35
4-2. Circuit Boards Location .......................................... 35
4-3. Schematic Diagram Information ............................ 35
4-3-1. C Board Schematic Diagram ..................... 36
4-3-2. A Board — Processor, Audio, Tuner, Jack
4-3-2. A Board — Processor, Audio, Tuner, Jack
(Block 001) ................................................. 38
4-3-3. A Board — Power Supply, Deflection
(Block 002) ................................................ 40
4-3-4. A Board — Heat Sink (Block 003) ............ 42
4-3-5. H1 and H2 Boards Schematic Diagram ..... 43
4-3-6. VM and F Boards Schematic Diagram ...... 45
4-3-7. J1 Board Schematic Diagram ..................... 47
4-3-5. H1 and H2 Boards Schematic Diagram ..... 43
4-3-6. VM and F Boards Schematic Diagram ...... 45
4-3-7. J1 Board Schematic Diagram ..................... 47
4-4. Voltage Measurement and Waveforms ................... 48
4-5. Printed Wiring Boards ............................................ 53
4-6. Semiconductors ....................................................... 59
4-5. Printed Wiring Boards ............................................ 53
4-6. Semiconductors ....................................................... 59
5. EXPLODED VIEWS
5-1. Picture Tube and Speaker Bracket .......................... 61
5-2. Chassis ..................................................................... 62
5-2. Chassis ..................................................................... 62
6. ELECTRICAL PARTS LIST .................................... 63
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
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