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      Display (LCD) Replacement For Defective Pixels - idea/Lenovo laptops

      Device

      Symptom

      Result

      LCD Panel

      1. If there is flickering, vibration, bright / dark line
      2. Check the defective pixels according the following criteria

      LCD Size17.0"/ 16.0"/ 15.6"/ 15.4"/ 15.1"/ 14.1"/ 14.0"/ 13.3"/ 12.1"/ 11.6"/ 11.1"/ 10.2"/ 10.1"/ 8.9"

      Bright Dot

      (Dark Pattern)

      R,G or B 1 dot ≤4

      Adjacent 2 dots – Horizontal  ≤1

      Adjacent 2 dots – Vertical ≤1

      Adjacent 3 dots and more 0

      Distance between adjacent 2 dots ≥15mm

      Total amounts of bright dot ≤4

      Dark Dot

      (Bright Pattern)

      R,G or B 1 dot ≤4

      Adjacent 2 dots – Horizontal ≤2

      Adjacent 2 dots –Vertical ≤2

      Adjacent 3 dots and more 0

      Distance between adjacent 2 dots ≥5mm

      Total amounts of dark dot ≤4

      Total amounts of dot defects ≤6

      If the number of the defective pixels is more than that is defined in the above criterion, the LCD panel is defective.

      LCD defection

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      • Alias ID: 1234249094913
      • Document ID: HT035306
      • Last Updated :27 May 2016
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