Question about Pioneer PureVision PDP-503CMX 50 in. HD-Ready Plasma Television

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Pink pixels across plasma screen.

I have recently started seeing pink pixels across the screen, sometimes more noticable than others. There are times when I have a beautiful HD picture with out a trace of a problem, then the scene will switch, and I can see thousands of them across the screen about 1/3rd down from the top. I can see them whether if it's HD I'm watching or standard. Sometimes they are barely noticable, sometimes I can even see what I'm watching. Dark scene, bright scene, doesn't make a difference.

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  • DaSnotty1 Jun 19, 2008

    I have this exact problem. Mine has been doing this for about three years. It seems that the problem arises (gets warmed up) when a bright solid color is on the screen for a while. The monitor used to have a high-pitched whine as well when there was a lot of white on the screen, but that seems to have gone away.

    Nothing I have tried adjustment-wise has helped.

    Have you had any success dealing with this issue?

  • Rick Gartner Aug 24, 2008

    I have the same problem. Once the screen warms up pink pixels across the top of the screen. This has been going on for about 1 year and seems to be getting worse. Anyone have any ideas?

  • DaSnotty1 Feb 19, 2009

    Everything I have fund out through researching this is that the problem is due to not enough pressure in the plasma.... My problem started during a hurricane. Supposedly, the only fix for this is a new panel. Might as well buy a new TV, it's cheaper. I just bought a 65" Panasonic.... Very nice.

  • azstrider Apr 11, 2009

    I have the same problem. My unit is 7 years old and I just spent $100 for zero help since the problem was not observed in the service center. The problem has been increasingly noticeable for about 3 years.

    It takes about an hour for it to appear and then it slowly increases across the top 1/3 of the screen. This looks to be a heat related problem since it was running a DVD at the service center for over 2 hours and the problem did not show up. The center is kept fairly cool so this may be why the problem was not observed. I went to the center to verify that the problem was not observed after they told me the unit had been running for about 2 hours.

    Do others with this problem have their small top corner fans working correctly? Is there a way to set these to run continuously since this may be related to a heat related problem with the display due to heat build up.



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I have the something going on w/mine!!! Are your fans turning on?Mine are not.I think that's my problem...Get back w/me..thanks,jon.

Posted on Feb 19, 2009

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Usually it has to do with overheating. I started seeing a small amount on mine after watching a DVD and then a blu-ray for about an hour. It was a small amount but on the right side of the screen toward the top.
Not sure what the solution is though. Most of the heat on mine is right at the top of the screen.


Posted on Mar 21, 2009

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Had the same problem. Called the TV repair person and they turned up the voltage on the green pixels and it fixed it right away. Took about 20 min to do. Luck I bought extended coverage for an in home visit. But he said it's a common problem on plasma screens and most TV repair people are familiar with it and can do the repairs. Just make sure the person you take it to is an authorized repair person for your brand.

Posted on Oct 29, 2013

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Do others with this problem have their small top corner fans working correctly? Is there a way to set these to run continuously since this may be related to a heat related problem with the display due to heat build up.

Posted on Apr 11, 2009

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