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MODELS: VS-A50 / WS-A48 / WS-A55 / WS-A65
INTRODUCTION ................................................................................................................................ 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................... 6
WS-A48 (Front View) ............................................................................................................. 7
WS-A48 (Rear View) .............................................................................................................. 8
VS-A50 / WS-A55 / WS-A65 (Front View) ............................................................................. 9
VS-A50 / WS-A55 / WS-A65 (Rear View) ............................................................................ 10
Lenticular Screen and Fresnel Lens Removal ......................................................................... 11
VS-A50 / WS-A55 / WS-A65 ............................................................................................... 11
WS-A48 ............................................................................................................................... 12
Lenticular Screen and Fresnel Lens Installation .................................................................... 13
WS-A65 ............................................................................................................................... 14
Removal & Installation ....................................................................................... 15
Chassis Removal .......................................................................................................................... 16
PCB Locations .............................................................................................................................. 16
Main Components Location........................................................................................................... 16
Second Anode Lead Removal........................................................................................................ 17
CRT Removal ................................................................................................................................ 17
CRT Installation ............................................................................................................................ 18
Test Equipment ............................................................................................................................. 20
Initial Setup ................................................................................................................................... 21
LED Indicator Diagnostics ............................................................................................................. 22
Circuit Adjustment Mode ............................................................................................................... 23
Convergence Adjustment Mode ..................................................................................................... 24
Adjustment Items List ................................................................................................................... 26
Adjustment Test Points ................................................................................................................. 29
High Voltage Regulation ....................................................................................................... 30
Main/Sub Y Level ................................................................................................................. 30
Main/Sub Color Level ........................................................................................................... 31
CRT Cutoff ........................................................................................................................... 31
White Balance (NTSC) ......................................................................................................... 32
White Balance (HD) ............................................................................................................. 32
Black Level .......................................................................................................................... 33
Sub Contrast ....................................................................................................................... 33
Dynamic Focus Preset ........................................................................................................ 34
Lens Focus .......................................................................................................................... 34
Electrostatic Focus & Alignment Magnet Adjustment ........................................................... 35
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