Question about Samsung PN50A450 50 in. Plasma HDTV
I would suspect a problem with x main board or circuit. I would start with checking the connections on the x main board?
Posted on May 26, 2014
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Posted on Jan 02, 2017
SOURCE: Black Vertical Lines in screen
All I can tell you is that you maybe have left your T.V. on a channel that didn't move for so long, or maybe someone else did and it burnt the screen. Plasma's run off of plasma gas to create the great picture and they collect on the screen and stick. What you need to do is go to your menu and look for "screen burn protection" and put it on white and let it sit for 20 minutes. All of one color such as white doesn't harm your T.V. The only way anything burns is like a bright white line in front of a black background.
Posted on Jan 30, 2009
SOURCE: Red Dots on My Plasma.
Did you get this problem resoslved? I had the same issue a few months ago. I tech came by and took my TV to the shop, a few days later he said it was fixed as they needed to make some adjustments.....The TV has been fine up until a week or so ago and now the red dots have appeared again. Was wondering what happened to yours.
Posted on Dec 28, 2006
SOURCE: Samsung TV Power Supply Board
I doubt that moisture damaged the SMPS bd.
There are many circuit boards in your set and it will take a trained samsung tech to find the problem.
Posted on Jul 17, 2009
There are at least two issues here. First you have bad buffer boards. Second Very possibly a bad X-Main bd and P-Logic bds. Have a trained Samsung tech troubleshoot the set.
Posted on Jul 17, 2009
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