Service manual

Function Test and Alignment Procedure
15” LCD MONITOR MODEL: VG500b
Test Equipment
Color Video Signal & Pattern ( XGA 1024 x 768 @ 60 Hz 5 white
block Pattern )
Hot Key
ssAll Mode Reset
Press “ ” and “ power “ buttons simultaneously and “Power on
“ with signal hold on for 3 seconds. Then the left OSD screen will
show “Software Version “
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Panel adjustment
3-1 Select 1024 x 768@60Hz mode, and Crosshatch pattern
3-2 Press “ Auto image set up” -------Direct access “2” Key
3-3 Brightness set at maximum
3-4 Switch pattern to full screen “pixel on/off” pattern with R, B color off and Green on.
Green color level set at level 255.
3-5 Adjust VR01 until whole screen display stable and flicker free.
l
3. Front Panel Function Control Description
ViewSonic Corporation
3
Confidential – Do Not Copy
VG500b