ViewSonic PJ755D Service Manual - Page 29

Function Test Display Pattern, PC Signal

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4-4.2 Function Test Display Pattern - PC Signal Item Test Content 1 Frequency & Tracking 2 Contrast/Brightness 3 R, G, B and White Color Performance 4 Screen Uniformity Dead Pixel (Bright pixel) 5 Dead Pixel (Dark pixel) 6 Blemish (Bright) 7 Blemish (Dark) 8 Focus 9 Boundary Pattern Fine Line Moire 16 Gray Scale / 64 RGBW scale R, G, B and White Color Full White Specification Eliminate visual wavy noise by Rsync, Frequency or Tracking selection. Gray level should be distinguishable and without color abnormal. Each R, G, B color should be normal without color abnormal issue. Should be compliant with 65%.(Minimum) Remark Figure 1 Figure 2,3 Figure 4~7 Figure 7 Full Black Cannot accept any bright pixel Figure 8 Full White The numbers of dead pixel should be smaller or amount to 6 pixel. Figure 7 Full Black / Gray 30 The bright blemish cannot be accept if the problem appear with Gary 30 pattern. Figure 8, 9 Full white / Blue 60 The dark blemish cannot be accept if the problem appear with Blue 60 pattern. Figure 7,10 Text Pattern The text in the corner should be clear after adjust the focus ring. Figure 11 Horz. And Vert. position of video Boundary Frame should be adjustable to be the screen frame. Figure 12 ViewSonic Corporation 4-4 PJ755D

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PJ755D
4-4
ViewSonic
Corporation
4-4.2
Function Test Display Pattern
-
PC Signal
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