Dot Defect - NEC MultiSync LCD1700NX A Service Manual

2.2 Dot Defect

This criteria is based on ISO-13406-2 Pixel Faults Class II
No. Inspection
1
2
3
4
5 Dot defects
6
7
8
9
10-1
Fault cluster
10-2
10-3
1) Bright dots:
2) Dark dots:
3) 1 dot fault:
: Bright Dot
Note 1. Horizontally adjacent 2 dots (R+G, G+B)
Count as horizontally adjacent 2 dots
R G
R G
Combination
with Bright
& Dark Dot
Criteria
Bright dots
Dark dots
Total 1 dot defects
Total dot defects
Two or more sub-pixels (dots) with fault of
No. 5 within a 5x5 block of pixels
Two or more pixels or sub-pixels (dots) with
fault of No. 3 within a 5x5 block of pixels
Two or more pixels or sub-pixels (dots) with
fault of No. 6 within a 5x5 block of pixels
30% or more brightness of normal brightness of normal brightness
70% or less brightness of normal brightness of normal brightness
not adjacent dot defects
: Dark Dot
G B R G G B
Do not count as adjacent 2 dots
R G R G R G
Combination except horizontally
adjacent 2 dots.
Green
1 dot fault
Total
Adjacent two bright dots
Three or more continuous
1 dot
Adjacent two dark dots
Three or more continuous
R G R G
etc.
5-9
Remark
Max. 4
Max. 7
Max. 3 Note 1
Not Allowed Note 2
Max. 7
Max. 3 Note 1
Not Allowed Note 2
Max. 7
Max. 13
Max. 3 Note 3
Not Allowed Note 4
Not Allowed Note 4