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5-5
5.7 Visual Inspection
Defect Type
Count (mm)
Reject (mm)
Dark / bright spot *1
(foreign material, Stain, Dust)
D
D
≤
0.5
N
≤
4
*Viewing distance: 30 cm
D > 0.5
N > 4
Bright line (light lint), or
dark line (dark line / hair)
W
L
W
≤
0.08
L
≤
2.0
N
≤
4
W > 0.08
L > 2.0
N > 4
Polarizer scratch
W
L
W
≤
0.1
L
≤
5.0
N
≤
3
W > 0.1
L > 5.0
N > 3
Polarizer dent / bubble
D
D
≤
0.8
N
≤
3
D > 0.8
N > 3
Maximum allowable
Number of defects
N
≤
5
N > 5
[D: diameter, W: width, L: length, N: count]
*1: Translucent edge is ignored in measuring the diameter of spot.
5.8
Electrical Inspection
Defect Type
Accept
Reject
Bright dot (Fig. 1)
Random
Two Adjacent
Three Adjacent
N <= 2
N <= 1
N <= 0
N > 2
N > 1
N > 0
Dark dot (Fig. 2)
Random
Two Adjacent
Three Adjacent
N <= 5
N <= 1
N <= 0
N > 5
N > 1
N > 0
Maximum allowable number of dot defect
N <= 5
N > 5
Minimum distance between defects, (Fig. 3)
bright dot – to – bright dot
dark dot - to - dark dot
L >= 15mm
L >= 5mm
L < 15mm
L < 5mm
[L: length, N: count]
Summary of Contents for Multi Sync EA221WM
Page 24: ...3 4 3 3 Remove the shield 13 13 14 15 CN602 R L ...
Page 25: ...3 5 Shield_USB 16 Shield for Back Light 16 14 CN709 14 14 ...
Page 27: ...3 7 20 CN801 CN802 CN803 CN804 19 ...
Page 29: ...3 9 CN701 CN402 CN301 25 25 14 ...
Page 30: ...3 10 26 26 CN601 CN604 CN902 14 ...
Page 31: ...3 11 SYMBOL 12 Fix the cable on the position in the above photo with BLACK TAPE 27 50mm 12 ...