Dell 2707WFP Service Manual page 26

27" LCD Color Monitor
4.5.3
Mechanical Inspection
Defect Type
Dark / bright spot *1
(foreign material,Stain,Dust)
Bright line (light lint), or
dark line (dark lint / hair)
L
Polarizer scratch
L
Polarizer dent/bubble
Maximum allowable number of defects N ≤ 8
[ D : diameter,
*1 : Translucent edge is ignored in measuring the diameter of spot.
Accept (mm)
0.3 < D ≤ 0.7
N ≤ 5
D
0.01 < W ≤ 0.1
0.3 < L ≤ 7.0
W
N ≤ 3
0.01 < W ≤ 0.1
W 0.3 < L ≤ 7.0
N ≤ 3
0.3 < D ≤ 0.7
D N ≤ 5
W : width, L : length,
Reject (mm)
D > 0.7
N > 5
W> 0.1
L >7.0
N > 3
W > 0.1
L > 7.0
N > 3
D > 0.7
N > 5
N > 8
N : count ]
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Dell 2707WFP