NEC MultiSync FE700 Serviceanleitung Seite 107

(c) Limit
･ Dark spot, Blocked aperture
Average diameter(mm)
0.51 ~
0.31 ~ 0.50
0.15 ~ 0.30
･ Discoloration, stain, Missing phosphor, etc.
Average diameter(mm)
0.51 ~ 0.75
0.15 ~ 0.50
Note 1 : No missing spot larger than specified are allowed in Zone A.
Note 2 : The spec applies to each color.
(2) Face plate defect
(a) Blisters, opaque spots and elongated closed blisters
Average diameter
(mm) #1
0.76 ~
0.51 ~ 0.75
0.26 ~ 0.50
0.11 ~ 0.25
#1: Mean diameter shall be either one of the following values, which is smaller.
(a+b)/2 or a/20+2b
#2:Maximum 5 pcs. In area of Φ10mm.
(b) Scratch
Width(mm)
0.16 ~
0.11 ~ 0.15
0.06 ~ 0.10
~ 0.05
A B
0 0
0 0
6 (note 1) 6 (note 1) 10 (note 1)
A B
0 1
2 3
Allowable number(pcs)
Zone A Zone B
0 0
0 1
2 3
- -
(a: length , b: width)
Allowable Length(mm)
unlimited
6- 6
A + B minimum distance
0
0
A + B minimum distance
-
-
Minimum Separation
Total (mm)
0
1
5
-
rejected
3
26
-
-
10 mm
20 mm
20 mm
30
#2