Prima PH50D8, Руководство по обслуживанию

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- 4 -
H
W/4 W/2
W/4
H/4
H/2
H/4
W
W/4 W/2 W/4
Zone B
Zone A
H
H/4
H/2
H/4
Figure 1 Defective Points
Table 1 Criterion for Three Kinds of Defective Points
Kind Area A Area B Remark
Dark spots No more than 2 No more than 8
Bright spot No more than 1 No more than 2
Flickering spot No more than 1 No more than 2
Total number of
defective points in A
and B shall not
exceed 8. The
distance between
two defective points
shall not be shorter
than 15mm.
2.2. Model PH
－
50D8:
There may appear three kinds of defective points for this model as shown in Fig.2 --
bright spot (remain bright); dark spot (non-illuminating); flickering spot (remain flickering).
However they should not exceed the specification as in table 2. Otherwise the product shall
be deemed as sub-standard.
Figure 2 Defective Points
Table 2 Criterion for Three Kinds of Defective Points
Zone B
Zone A