![background image](http://html1.mh-extra.com/html/viewsonic/va1703w-1/va1703w-1_service-manual_1020652023.webp)
20
ViewSonic Corporation
Confidential - Do Not Copy
VA1703w-1_VA1703wb-1
●
Function Test Display Pattern
Item Test
Content
Pattern
Specification
Remark
1
Frequency & Tracking
Fine Line Moire
Eliminate visual wavy
noise.
Figure 1
2
Contrast/Brightness
16 Gray Scale
16 gray levels should be
distinguishable.
Figure 2
3 Boundary
Horizontal
&
Vertical Thickness
Horizontal and Vertical position of video
should be adjustable to be within the
screen frame.
Figure 3
4 RGB
Color
Performance
RGB Color
Intensities
Contrast of each R, G, B, color should
be normal.
Figure 4, 5,
6
5
Screen Uniformity &
Flicker
Full White
Should be compliant with the spec.
Figure 7
6
Dead Pixel/Line
White Screen &
Dark Screen
The numbers of dead pixels should be
compliant with the spec.
Figure 7, 8
7
White Balance
White & Black
Pattern
The screen must have the pure white
and black pattern, no other color.
Figure 9
Fine Line Morie Pattern (Figure1)
Gray Scale Pattern (Figure2)
Horizontal & Vertical Thickness Pattern (Figure 3)
R. Color Pattern (Figure 4)