Sony Trinitron PVM-2950QM - Default Chapter; Table of Contents

PVM-2950Q/2950QM
RM-854
TABLE OF CONTENTS
1. GENERAL
Features···································································5
Location and Function of Parts and Controls····················· ·6
Power Sources·························································· ·9
Using On-screen Menus ····· ········· ·········· · · · ··· ···· ····· ······ 10
Operating a Specific Monitor with the
Remote Commander·················································· 12
2. DISASSEMBLY
2-1. Rear Cover Removal•·········································· 13
2-2. Chassis Assy Removal········································· l3
2-3. Service Position .. ··············································· 14
2-4. UA Board Removal············································ 14
2-5. B Board Removal··············································· 14
2-6. UJ Board Removal · · · · · · · ·· ·· · · ·· · · · ··· · · · ·· · · · ·· · · · · · · · · · · · · · · 15
2-7. G 1 Board Removal············································· 15
2-8. G Board Removal ······· ·· ·················· ··················· 16
2-9. UT Board Removal············································ 16
2-10.A Board Removal • · · • · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 17
2-11.Extension Cable················································· 17
2-12.Extension Board················································ 18
2-13.Key Board Unit and Blind Panel Removal················ 18
2-14.Degaussing Coil Removal · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 19
2-15.Picture Tube Removal········································· 19
2-16.Hamess Location··············································· 20
3. SET-UP ADJUSTMENTS
3-1. Beam Landing··················································· 22
3-2. Convergence Adjustment · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 23
3-3. Focus Adjustment · · · · · · · · · · · · · · · · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · 26
3-4. Screen (G2) White Balance Adjustment · · · · · · · · · · · · · · · · · · · 26
4. SAFETY RELATED ADJUSTMENT ···· ···· ···· ··· · · ········ 27
5. ELECTRIC ADJUSTMENT IN THE
SERVICE MODE···················································· 29
Title
6. CIRCUIT ADJUSTMENTS
6-1. B Board Adjustments·····································••··· 31
6-2. A Board Adjustment··········································· 36
6-3. UT Board Adjustment········································· 37
6-4. YC Board Adjustment · · · · · · · .. ' · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 37
7. DIAGRAMS
7-1. Block Diagrams (I)············································ 39
Block Diagrams (2) · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 44
7-2. Frame Schematic Diagram····································49
7-3. Circuit Boards Location······································· 52
7-4. Schematic Diagrams and Printed Wiring Boards·········52
• YC Board · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 53
• Gt Board······················································· 53
• G Board·························································54
• H2 Board······················································· 55
• H3 Board · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 55
• A Board·························································65
• B Board·························································70
• DX Board······················································ 81
• V Board·························································83
• M Board ························································83
• UT Board·······················································87
• UJ Board · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 89
• UA Board ··· ········ · ··· ······ ····· ··· · ··· · ·· · ·· ···· ··· ··· ·· · ·· 90
• C Board·························································94
7-5. Semiconductors······································••··••··•·· 97
8. EXPLODED VIEWS
8-1. RearCover·······················································99
8-2. Picture Tube···················································· 100
8-3. Chassis···························································lOl
9. ELECTRICAL PARTS LIST···································· 102
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