Acer AL1717 AL1717 Service Guide - Page 15
Are G22,G32,and G45
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Notes 5) Definition of Luminance of White : measure the luminance of white at center point. Notes 6)Definition of 5 points brightness uniformity (Measuring points: Refer to the Note 5) BUNI= Bmax Bmin Bmax: Maximum brightness Bmin: Minimum brightness Notes 7) Definition of Flicker level Flicker Voltage pp F x 100 % LMD Voltage dc ♦ One maximum value of three estimated values. ♦ For this test ,an LMD(Light Measurement Device)is needed with adequate response time to track any visible rate flicker component and with a voltage level output proportional To luminance intensity. ♦ Test Pattern: For dot inversion Driving(Gray levels of foreground dots on the test panel Are G22,G32,and G45) ♦ Test Point :Center point of the display area - 15 -