Service manual

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2. COSMETIC INSPECTION
1.1 DOT DEFECT
This criteria is based on ISO-13406-2 Pixel Faults Class II
Note 1. Horizontally adjacent 2 dots (R+G, G+B)
Items Criteria Remarks
1) Bright Dots Horizontally adjacent 2 dots (R+G, G+B) Max. 3 Note 1
2) Dark Dots Max. 3 Note 2
3) Bright Dots
Horizontally, vertically or combined adjacent 3 dots
(separately bright dots and dark dots)
Not Allowed
4) Dark Dots Not Allowed
Dot Defect 5) Dot defect except 1), 2) R or G or B (Bright Dot + Dark Dot) Max. 7 Note 4
6)
Distance between bright dots Distance between bright dots (R - R): less than 6.5mm
Max. 2 for each
color
Note 5
7) Distance between 6) s Distance between 6) s : less than 10mm Not Allowed Note 6
Two or more pixels or sub-pixels with more than one fault of 5) Max. 3 Note 7
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)
Max. 15 -
Max. 6 -
Adjacent Dots
Note 3
Fault cluster
Not Allowed Note 8
8)
Min. Distance
between bright dots
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.
Total amount of Dot
Defects
Total amount of Bright Dot (R,G,B) and Dark Dot (R,G,B)
: Bright
Dot
: Dark
Dot
RG GB RG GB
RG RG RG RG RG RG
etc.
Count as horizontally adjacent 2 dots
Do not count as adjacent 2 dots
Combination
with Bright
& Dark Dot
Combination except horizontally
adjacent 2 dots.