BenQ V37X Product Service Manual page 46

4.1.2. LCD Module Inspection
(a) Electrical Inspection
Bright dot
Dark dots
Distance
Total bright and dark dots
Display failure (V-line/H-line/Cross line etc.)
(b) Appearance Inspection
Item
Foreign Black / White / Bright Spot
Foreign Black / White / Bright Lint
Polarizer Scratches
Dent / Air Bubble
Item
Random
2 dots adjacent
3 dots adjacent or more
Random
2 dots adjacent
3 dots adjacent or more
Minimum Distance between Dark dots
Standards
0.5<D<1.0mm , N ≦ 10
0.15<W≦0.25mm , 0.3<L≦10.0mm , N ≦ 4
0.15<W≦0.25mm , 0.3<L≦10.0mm , N ≦ 4
0.3<D<1.0mm , N ≦ 10
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Acceptable count
N ≦ 0 dots
N ≦ 0 dots
N ≦ 0 dots
N ≦ 7 dots
N ≦ 2 dots
N ≦ 0 dots
L ≦ 5mm
N ≦ 7 dots
Not allowable