M
ANUAL
_
EPT-4220AP
ERAE ELECTRONICS
67
7-3.2 Function Test Display Pattern
Item
Test Content
Pattern
Specification
Remark
1
Frequency &
Tracking
Fine Line Moire
Eliminate visual Wavy noise
Figure1
2
Contrast/Brightness
16 Gray Scale
16 gray level should be
distinguishable
Figure2
3
Boundary
Horizontal &
Vertical
Thickness
Horz. And Vert. Position of
video should be adjustable to
be within the screen frame
Figure3
4
R,G,B Color
Performance
R,G, B Color
Intensities
Contrast of each R,G,B, color
should be normal
Figure 4-6
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 8
Fine Line Moire Pattern (Figure 1) Gray Scale Pattern (Figure 2)
Summary of Contents for EPT4220AP
Page 11: ...MANUAL _ EPT 4220AP ERAE ELECTRONICS 11 2 1 Package Overview...
Page 13: ...MANUAL _ EPT 4220AP ERAE ELECTRONICS 13 2 2 Exploded Overview 2 2 1 PDP SET OVER VIEW...
Page 14: ...SERVICE 14 2 2 2 PDP MODULE OVERVIEW...
Page 19: ...MANUAL _ EPT 4220AP ERAE ELECTRONICS 19 9 VSC BOARD ASSY 10 Tuner B D Assy...
Page 75: ...MANUAL _ EPT 4220AP ERAE ELECTRONICS 75 5 Click Flash to upgrade program...