OT: Question about Plasma TV Troubleshooting

whoamonga

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I've got a pair of plasmas with some different issues, and was wondering if anyone had any idea of what might be causing it, or what the fix is...

Plasma 1

It's got a couple of "dead pixel" bars vertically down the screen. They're just two solid black bars that are always there, regardless of input selection.

Plasma 2

Sometimes its just fine, and sometimes the image is speckled with a variety of pixel colors. Green, red, white i think, whatever. The image goes back and forth at random, sometimes working for an hour or so.

Anybody have an idea on what I could do to remedy these bad boys? I'm fairly skilled with these arcade monitors, but lost on more modern, non-lcd technology.
 
What Brand are they? And Model#
Misadjusted Power supply can cause Different
Artifacts: Stray pixels and other aberrations that don't belong in an image.
After a few minutes Check/Adjust the voltages From the Label sticker. Vs,voltage
for the X-Y Sustain Boards and Va for Data Drive,And other voltages on Label.
Post any picture, Most vertical lines could be loose Flat ribbons cables, bad Logic buffers
bad Panel?
See Label on the Plasma Panel itself for correct voltages..Let us know.
 
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