NEC PX-50XM4, Руководство по обслуживанию

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(3) Pixel defect
[Pixel defect standard for reference]
Pixel defect standard
Displayed image
Non-continuous Continuous Continuous
Black all over the screen (Fig. 1)
Zone A:
F
dots or less in all for each color
Zone B:
F
dots or less in all for each color
Continuous
F
dots or less
Red level 100% over the screen
Green level 100% over the screen
Bright defect
Blue level 100% over the screen
Zone A:
F
dots or less in all for each color
Zone B:
F
dots or less in all for each color
Each zone:
F
dots or less for each uni-color
Defective when
F
dots or less are
continuously horizontal and seen white.
Red level 100% over the screen
Green level 100% over the screen
Blue level 100% over the screen
Zone A:
F
dots or less in all for each color
Zone B:
F
dots or less in all for each color
Zone A:
F
dots or less vertically
continuous
Zone B:
F
dots or less continuous
Except for the continuous portions,
however, the distance between dark dots
shall be
F
cm or more.
Dark defect
White all over the screen (Fig. 2) –
Zone A:
F
dots continuous in one portion
or less (
F
dots for vertical continuity)
Zone B:
F
dots or less continuous
Except for the continuous portions,
however, the distance between dark dots
shall be
F
cm or more.
(Fig. 1) All-Black Signal
(Fig. 2) All-White Signal
Pixel defect
The PDP is fault.
YES
NO
This is not a problem.
Bright defect
Dark defect
(Caution) In regard to the full information, refer to the PDP quality updating report (Japan) or the PDP quality
report (other than Japan).
(To the separate PDP service manual)
Are there many defective pixel sexceeding
the pixel defect standard?
CONFIDENTIAL
5-9