Acer DV650C, Руководство по обслуживанию

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Screen Uniformity
Fig 7.1 Optical measurement point
(1). Timing VESA-800x600 (37.9K, 60Hz), PC source
(2). DEFAULT the unit and select the ANSI BRIGHTNESS GRID pattern .
(3). Change the unit to MAX/MAX for Contrast/ Brightness, Color temperature default setting
9300°K.
(4). Surface luminance is luminance value at point 1 across the LCD surface 50cm from thesurface
with all pixels displaying white. From more information see Fig. 7.1 . When VDDB =24V,
IDDB = 14.6A. LWH=Lon1, Where Lon1 is the luminance with all pixels displaying white at
center 1 location. just for reference , no spec.
(5). Position the CA-210 at the locations indicated on the grid , there are 5 points see Fig 7.1 .
Measure and Record the values when the GRID is OFF.
(6). Panel spec brightness minimum 425 nits , typical 500 nits , Luminance Variation 1.33
(Max).The variation in surface luminance, WHITE is defined under 100% brightness
as:
δ WHITE(9P)=Maximum(Lon1, Lon2,…,Lon9)/Minimum(Lon1, Lon2,…Lon9)