Dell SE178WFPC Service Manual
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Contents
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17" LCD Color Monitor Dell SE178WFPC194.5 Definition of Pixel Defects4.5.1 Inspection environment conditions:◆ Room temperature: 20 ~ 25 C◆ Humidity: 65 ± 5% RH.◆ Illumination: Fluorescent light (Day-Light Type) display surface illumination to be 300 ~ 700 Lux. (standard500Lux.)◆ To be a distance about 35±5 cm in front of LCD unit, viewing line should be perpendicular to the surface of themodule judge the visual appearance with human’s eyes. (Stand up the panel for judge and ±30° viewing edgewill be allowed)◆ Take off the protection film of polarizer while judging the display area.◆ If there is any question while judging, check the panel again in operating mode.4.5.2. Display Defect Requirements1. Max. 0 red, green or blue bright dots (sub-pixels), max. 0 green dots, max. 0 joined bright dot.2. Max. 4 black dots. Max. 2 joined (2 adjacent) black dots, no defect with 3 adjacent black dots. Min. distancebetween 2 black dots: 10mm.Black dots are tested with full screen white (R.G.B. = 100,100,100)/ red (R.G.B. =100,0,0)/green (R.G.B. = 0,100,0)/blue (R.G.B. = 0,0,100) pattern.3. Total amount of Dot Defects are 5 Max. (Including bright and dark dot defects) |
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