3
H
W/4
W/2
W/4
H/4
H/2
H/4
20). Care must be taken to guard against dust during assembling or dismantling, especially
to avoid dirt from falling in between the screen and the glass lest it should harm the
receiving and viewing effect.
21). There is piece of insulator stuck on the rear chassis corresponding to the power supply
board. It is used to isolate the cool part from the hot part. Please take care to keep it intact
lest it should become a potential safety trouble.
22). In addition to plasma screen, the glass is a part of high value. It has such functions as
anti-radiation, adjustment of color temperature etc. Please handle it carefully.
<
2
>
. “Criterion for Identifying the Defects on Screen”
The PDP produced by our Company at present uses the following criterion for
identifying the defective points:
2.1,Model PS
-
42D8:
There may appear three kinds of defective points for this model as shown in Fig.1, i.e.,
bright spot (remain bright); dark spot (non-illuminating); flickering spot (continuously
flickering). However they should not exceed the specification as in table 1. Otherwise the
product shall be deemed as sub-standard.
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.
Zone B
Zone A
Summary of Contents for PS42K8
Page 1: ...COLOR TELEVISION PS42K8...
Page 11: ...10 4 IC BLOCK 1 MSP3420...
Page 12: ...11 2 VPC3230...
Page 13: ...12 3 JAG ASM...
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