NEC LCD1550X Service Manual page 73

Note 2: + 3 dots
Note 3: 3-defect combination
Combination patterns to be counted as NG / Combination of all bright or all black dots
Not counted as NG / Combination of bright and black dots
ex)
Note 4: The dots for composing 2-horizontal combinations of R + G shall be excluded from counting.
Note 5: Adjacent same colored bright dot defects
To be counted as NG
R R
6.5mm
Note 6: Approach of adjacent defects
R R
6.5mm
and so on.
Not to be counted as NG
R R
6.5mm
Approach of bright
and black dots
R R
15mm
6.5mm
R
6.5mm
Approach of different
colored dots
The distance betw een adjacent defects
should be longer than 15mm.
2-18
and so on.
G