Acer PD525 PD525 Service Guide - Page 60

Function Test Display Pattern Item Test Content Pattern Specification Remark 1 Frequency & Tracking Fine Line Moire Eliminate visual wavy noise by Rsync, Frequency or Tracking selection. Figure 1 2 Contrast/Brightness 16 Gray Scale / 64 RGBW scale Gray level should be distinguishable and without color abnormal. Figure 2,3 3 R, G, B and White Color Performance R, G, B and White Color Each R, G, B color should be normal without color abnormal issue. Figure 4~7 4 Screen Uniformity Full White Should be compliant with 60%.(Minimum) Figure 7 Dead Pixel (Bright pixel) Full Black 5 Dead Pixel (Dark pixel) Full White Cannot accept any bright pixel Figure 8 The numbers of dead pixel should be smaller or amount to 6 pixel. Figure 7 6 Blemish (Dark) Full white / Blue 60 The dark blemish cannot be accept if the problem appear with Blue 60 pattern. Figure 7,10 55 Chapter 4