Read Sony KV-38DRC2 Service Manual online
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KV-38DRC2 / 38DRC2C
TABLE OF CONTENTS
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 5
Safety Check-Out ........................................................................... 6
Self-Diagnostic Function................................................................. 7
1. Disassembly
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
2. Set-Up Adjustments
2-1. Beam Landing ...................................................................... 11
2-2. V-PIN and V-CEN Adjustment .............................................. 12
2-3. Convergence ........................................................................ 12
2-3.1. Vertical and Horizontal Static Convergence ............. 12
2-3.2. Operation of BMC (Hexapole) Magnet ..................... 12
2-3.3. TLH Plate Adjustment .............................................. 12
2-3.4. Screen Corner Convergence ................................... 13
2-3.5. Dynamic Convergence Adjustments ........................ 13
2-4. Focus Adjustment................................................................. 13
2-5. Screen (G2).......................................................................... 13
2-6. Picture Quality Adjustments ................................................. 14
2-6.1. Video Input - Two Picture Sub Contrast
Adjustment ............................................................... 14
2-6.2. Video Input - Sub Hue/Sub Color Adjustment.......... 14
2-6.3. RF Input - Two Picture Sub Contrast Adjustment ..... 15
2-6.4. RF Input - Sub Hue/Sub Color Adjustment .............. 15
2-7. White Balance (CRT) and Sub Bright Adjustment ............... 16
2-8. Raster Center Adjustment.................................................... 16
2-9. Picture Distortion Adjustments............................................. 16
2-9.1. NTSC (DRC) Full Mode Adjustment ........................ 16
2-9.2. 1080i HD Mode Adjustment ..................................... 17
2-9.3. Vertical Compresses Mode Check and
Confi rmation............................................................. 17
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3. Safety Related Adjustments
3-1. X RV8001, RV8002 Confi rmation Method and
HV Service Adjustments ...................................................... 18
3-2. B+ Max Confi rmation ........................................................... 18
3-3. HV Service Flowchart .......................................................... 18
4. Circuit Adjustments
4-1. Setting the Service Adjustment Mode .................................. 19
4-1.1. Resetting the Data ................................................... 19
4-2. Memory Write Confi rmation Method .................................... 19
4-3. Remote Adjustment Buttons and Indicators......................... 19
4-4. Service Data Lists ................................................................ 20
5. Diagrams
5-1. Circuit Boards Location ........................................................ 48
5-2. Printed Wiring Board and Schematic Diagram Information.. 48
5-3. Block Diagram and Schematics
Block Diagram ...................................................................... 49
A Board ................................................................................ 54
B Board ................................................................................ 61
BC Board.............................................................................. 75
C Board ................................................................................ 78
D Board ................................................................................ 81
HA Board.............................................................................. 88
HB Board.............................................................................. 90
S Board ................................................................................ 91
U Board ................................................................................ 92
W Board ............................................................................... 94
5-4. Semiconductors ................................................................... 96
6. Exploded Views
6-1. Chassis ................................................................................. 98
6-2. Picture Tube .......................................................................... 99
7. Electrical Parts List ....................................................................... 100
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