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Error diffusion on Samsung 50" PLASMA TV

We own a Samsung 50" Plasma...purchased in March 2006 and are noticing "silvery" looking static on the screen whether viewing Blue-Ray or television programming. I have been reading about "error diffusion" on plasma tv's and it looks like the same problem we're having. How is this resolved?

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Yes the diffusion problem on your tv is due to the pdp panel aging. What you can try is readjusting the VSCAN voltage, there is a test point marked VSCAN using a DVM you can first check the voltage, should be around -- 190 turn the adjustment counter clockwise this should reduce the voltage, watcthing the picture turn control untill the sparkling pixels stop. That should do it. The panel is starting to age this may occur again until you can't adjust it out meaning a bad panel.

Posted on Nov 08, 2010

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Trying to fix this issue... which board is the 'PDP panel', and where is this 'VSCAN' adjustment knob?
thanks,
chris

Posted on Jun 05, 2013

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