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Function Test Display Pattern
Item Test
Content
Pattern
Specification
Remark
1
Frequency &
Tracking
Fine Line Moire
Eliminate visual wavy noise.
Figure 1
2
Contrast/Brigh
tness
16 Gray Scale
16 gray levels sh 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
23
ViewSonic Corporation
Confidential - Do Not Copy
VA502mb-1
Summary of Contents for VA502mb-1
Page 10: ...7 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 13: ...10 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
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Page 16: ...PIN Descriptions 13 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 18: ...Block Diagram PIN Function 15 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 38: ...5 7 Packing Procedure 35 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 42: ...39 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 6 Troubleshooting Flow Chart...
Page 43: ...7 Block Diagram 40 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 53: ...9 PCB Layout Diagrams MAIN BOARD 50 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 54: ...POWER BOARD 51 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 56: ...53 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 57: ...AUDIO BOARD 54 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 58: ...KEY BOARD 55 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 61: ...58 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 Packing for Shipping...