Read Sony KV-32HS20 Service Manual online
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KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
TABLE OF CONTENTS
Specifi
cations ................................................................................. 3
Warnings and Cautions .................................................................. 4
Safety
Check-out ............................................................................ 5
Self-Diagnostic
Function................................................................. 6
1. Disassembly
1-1. Rear Cover Removal .............................................................. 8
1-2.
Chassis
Assembly
Removal................................................... 8
1-3.
Service
Position ..................................................................... 8
1-4.
Picture
Tube
Removal ............................................................ 9
Anode Cap Removal Procedure ..................................................... 9
2. Set-up Adjustments
2-1.
Beam
Landing ...................................................................... 10
2-2.
V-Pin
and
V-Cen
Adjustment ................................................ 11
2-3.
Convergence ........................................................................ 11
2-3.1. Vertical and Horizontal Static Convergence ............. 11
2-3.2. Operation of BMC (Hexapole) Magnet ..................... 11
2-3.3.
TLH
Plate
Adjustment .............................................. 11
2-3.4. Screen Corner Convergence ................................... 12
2-3.5.
Dynamic
Convergence
Adjustment .......................... 12
2-4.
Focus
Adjustment................................................................. 12
2-5.
Screen
(G2).......................................................................... 12
2-6.
Picture
Quality
Adjustments ................................................. 13
2-6.1. Video Input - Two Picture Sub Contrast
Adjustment ............................................................... 13
2-6.2. Video Input - Sub Hue/Sub Color Adjustment.......... 13
2-6.3. RF Input - Two Picture Sub Contrast Adjustment ..... 14
2-6.4. RF Input - Sub Hue/Sub Color Adjustment .............. 14
2-7. White Balance (CRT) and Sub Bright Adjustment ............... 15
2-8.
Raster
Center
Adjustment.................................................... 15
2-9.
Picture
Distortion
Adjustments............................................. 15
2-9.1. NTSC (DRC) Full Mode Adjustment ........................ 15
2-9.2. 1080i HD Mode Adjustment ..................................... 16
2-9.3. Vertical Compresses Mode Check and
Confi rmation............................................................. 16
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3. Safety Related Adjustments
3-1. RV8001, 8002, 8003 Confi rmation Method and
HV
Service
Adjustments ...................................................... 17
3-2. B+ Max Confi rmation ........................................................... 17
3-3. HV Service Flowchart .......................................................... 17
4. Circuit Adjustments
4-1. Setting the Service Adjustment Mode .................................. 18
4-1.1 Resetting the Data ................................................... 18
4-2.
Memory
Write
Confi rmation Method .................................... 18
4-3.
Remote
Adjustment
Buttons
and
Indicators......................... 18
5. Diagrams
5-1.
Circuit
Board
Location.......................................................... 48
5-2. Printed Wiring Boards and Schematic Diagrams ................. 48
5-3.
Diagrams
Block
Diagram ...................................................................... 49
A
Board ................................................................................ 53
B
Board ................................................................................ 61
BC
Board.............................................................................. 71
C
Board ................................................................................ 73
D
Board ................................................................................ 75
HA
Board.............................................................................. 83
HB
Board.............................................................................. 84
S
Board ................................................................................ 85
U
Board ................................................................................ 86
W
Board ............................................................................... 88
5-4.
Semiconductors ................................................................... 90
6. Exploded Views
6-1.
Chassis
................................................................................. 92
6-2.
Picture
Tube
(KV-32HS20/32XBR450
ONLY) ........................ 93
6-3. Picture Tube (ALL EXCEPT KV-32HS20/32XBR450) .......... 94
7. Electrical Parts List ......................................................................... 95
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