Service manual

1.4.2 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
p
osition 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)
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