Table Of Contents - Sony TRINITRON KV-AR25M90B Service Manual

KV-AR25M90B
RM-W104
Section
SELF DIAGNOSIS 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 and J1 Board Removal ................. 6
1-6. F Board Removal ...................................................... 6
1-7. H1 and H2 Boards Removal ..................................... 7
1-8. A Board Removal ...................................................... 7
1-9. Picture Tube Removal ............................................... 7
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
3. CIRCUIT ADJUSTMENTS
3-1. Adjustment With Commander ................................ 13
3-2. Adjustment Method ................................................ 14
3-3. Picture Quality Adjustment .................................... 29
3-4. Deflection Adjustment ............................................ 30
3-5. Picture Distortion Adjustment ................................ 31
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.

TABLE OF CONTENTS

Title
CAUTION
Page Section
4. DIAGRAMS
4-1. Block Diagram ........................................................ 33
4-2. Circuit Boards Location .......................................... 34
4-3. Schematic Diagram ................................................. 34
4-3-1. C Board Schematic Diagram ....................... 35
4-3-2. A Board - Processor (Block A) ................. 37
4-3-3. A Board - Audio (Block B) ....................... 39
4-3-4. A Board - Power Supply (Block C) .......... 41
4-3-5. A Board - Tuner (Block D) ....................... 43
4-3-6. A Board - Jack (Block E) .......................... 45
4-3-7. A Board - Heat Sink (Block F) ................. 47
4-3-8. F and H2 Boards Schematic Diagrams ........ 48
4-3-9. H1 Board Schematic Diagram ..................... 49
4-3-10. J1 and VM Boards Schematic Diagrams ... 51
4-4. Voltage Measurement and Waveforms ................... 53
4-5. Printed Wiring Boards and Parts Location ............. 57
4-6. Semiconductors ....................................................... 62
5. EXPLODED VIEWS
5-1. Speaker Block and Picture Tube ............................. 64
5-2. Chassis ..................................................................... 65
6. ELECTRICAL PARTS LIST .................................... 66
INSTRUCTION MANUAL
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.
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