Read Sony KV-XA29M20A Service Manual online
– 2 –
KV-XA29M20A
RM-952
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. Replacement of Parts ................................................ 6
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal .............................................. 6
1-4. Service Position ........................................................ 6
1-5. Replacement of Parts ................................................ 6
1-5-1. Replacement of Multi Button ........................ 6
1-5-2. Replacement of Light Guide .......................... 6
1-5-2. Replacement of Light Guide .......................... 6
1-6. J Board and Terminal Bracket Removal ................... 7
1-7. D3 Board Removal .................................................... 7
1-8. H Board Removal ...................................................... 7
1-9. A and B9 Boards Removal ....................................... 7
1-10. Picture Tube Removal ............................................... 8
1-7. D3 Board Removal .................................................... 7
1-8. H Board Removal ...................................................... 7
1-9. A and B9 Boards 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) and White Balance Adjustments ........ 12
2-2. Convergence ............................................................ 10
2-3. Focus Adjustment .................................................... 12
2-4. G2 (Screen) and White Balance Adjustments ........ 12
3. CIRCUIT ADJUSTMENTS
3-1. Adjustment With Commander ................................ 13
3-2. Adjustment Method ................................................ 13
3-3. Picture Quality Adjustments ................................... 18
3-4. Deflection Adjustment ............................................ 18
3-5. H-Trapezoid Adjustment ......................................... 18
3-6. A Board Ajustment After IC003 (Memory)
3-2. Adjustment Method ................................................ 13
3-3. Picture Quality Adjustments ................................... 18
3-4. Deflection Adjustment ............................................ 18
3-5. H-Trapezoid Adjustment ......................................... 18
3-6. A Board Ajustment After IC003 (Memory)
Replacement ............................................................ 18
3-7. Picture Distortion Adjustment ................................ 19
Section
Title
Page
Section
Title
Page
4. DIAGRAMS
4-1. Block Diagram ........................................................ 20
4-2. Circuit Boards Location .......................................... 22
4-3. Schematic Diagrams ............................................... 23
4-2. Circuit Boards Location .......................................... 22
4-3. Schematic Diagrams ............................................... 23
(1) A Board Schematic Diagram ............................ 24
(2) B9 Board Schematic Diagram .......................... 28
(3) C6 Board Schematic Diagram .......................... 30
(4) H Board Schematic Diagram ............................ 32
(5) J Board Schematic Diagram ............................. 34
(6) D3 Board Schematic Diagram .......................... 35
(7) VM1 Board Schematic Diagram ....................... 36
(2) B9 Board Schematic Diagram .......................... 28
(3) C6 Board Schematic Diagram .......................... 30
(4) H Board Schematic Diagram ............................ 32
(5) J Board Schematic Diagram ............................. 34
(6) D3 Board Schematic Diagram .......................... 35
(7) VM1 Board Schematic Diagram ....................... 36
4-4. Voltage Measurements ............................................ 37
4-5. Waveforms .............................................................. 40
4-6. Printed Wiring Boards and Parts Location ............. 41
4-7. Semiconductors ....................................................... 46
4-5. Waveforms .............................................................. 40
4-6. Printed Wiring Boards and Parts Location ............. 41
4-7. Semiconductors ....................................................... 46
5. EXPLODED VIEWS
5-1. Picture Tube ............................................................ 48
5-2. Chassis ..................................................................... 50
5-2. Chassis ..................................................................... 50
6. ELECTRICAL PARTS LIST .................................... 51
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.
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.
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.
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD,
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
Click on the first or last page to see other KV-XA29M20A service manuals if exist.