NEC PX-50XM4 series Service Manual page 255

2. Image errors
(Caution) Typical abnormal images are shown below. All errors do not always fall on these error samples.
(1) Image burn and deterioration in brigh tness
Residual images are seen
without signal entry.
This is not a fault.
Deterioration in brightness
This is not a fault.
(2) Failure in writing
Failure in writing
The PDP is fault.
(To the separate PDP service manual)
http://getMANUAL.com
5-8
CONFIDENTIAL
A
No signal
All-whitesignal
All-whitesignal
Dot errors change
with no continuity.
All-whitesignal