Mitsubishi LCD1855NX-BK Service Manual page 18

2. COSMETIC INSPECTION
1.1 DO T DEFECT
This criteria is based on ISO-13406-2 Pixel Faults Class II
Items
1) Bright Dots
2) Dark Dots
Adjacent Dots
3) Bright Dots
4) Dark Dots
Dot Defect 5) Dot defect except 1), 2)
6) Distance between bright dots Distance between bright dots (R - R): less than 6.5mm
Min. Distance
7) Distance between 6) s
between bright dots
8)
Total amount of Dot Total amount of Bright Dot (R,G,B) and Dark Dot (R,G,B)
Defects
Total amount of Bright Dot (G)
Note 9. Every dot herein means sub-pixel (each Red, Green or Blue color)
Note 10. Bright & Dark Dots are larger than one third of sub-pixel. (Dots smaller than one third of sub-pixel are not counted as a defect dots.)
Note 11. Do not use the [ND] filter in counting a bright dot.
Note 1. Horizontally adjacent 2 dots (R+G, G+B)
Count as horizontally adjacent 2 dots
R G G B
Do not count as adjacent 2 dots
R G R G
Combination
with Bright
& Dark Dot
Criteria
Horizontally adjacent 2 dots (R+G, G+B)
Horizontally, vertically or combined adjacent 3 dots
(separately bright dots and dark dots)
R or G or B (Bright Dot + Dark Dot)
Distance between 6) s : less than 10mm
Two or more pixels or sub-pixels with more than one fault of 5) Max. 3
Fault cluster
Two or more pixels or sub-pixels with more than one fault of 1)
Two or more pixels or sub-pixels with more than one fault of 2)
: Bright : Dark
Dot Dot
R G G B
R G R G R G
Combination except horizontally
adjacent 2 dots.
R G
etc.
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Remarks
Max. 3 Note 1
Max. 3 Note 2
Not Allowed
Note 3
Not Allowed
Max. 7 Note 4
Max. 2 for each
Note 5
color
Not Allowed Note 6
Note 7
Not Allowed Note 8
Max. 15 -
Max. 6 -