Philips 170T4 User Manual page 69

Philips Pixel Defect Policy
One dark sub pixel
Proximity of Pixel Defects
Because pixel and sub pixels defects of the same type that are near to one another may be more
noticeable, Philips also specifies tolerances for the proximity of pixel defects.
Pixel Defect Tolerances
In order to qualify for repair or replacement due to pixel defects during the warranty period, a TFT
LCD panel in a Philips flat panel monitor must have pixel or sub pixel defects exceeding the
tolerances listed in the following tables.
BRIGHT DOT DEFECTS
MODEL
1 lit sub pixel
2 adjacent lit sub pixels
3 adjacent lit sub pixels
(one white pixel)
Distance between two
bright dot defects*
Total bright dot defects
of all types
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Two or three adjacent dark sub pixels
ACCEPTABLE LEVEL
150T4/170T4
4 or fewer
2 or fewer
0
15 mm or more
4 or fewer