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Display (LCD) Replacement For Defective Pixels-IdeaPad and Lenovo G/B/V/K/E/M series

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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Document ID : HT035306
Legacy Document ID : 1234249094913
Last Updated : 16 May 2014
Copyright © Lenovo 2013, all rights reserved
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