Question about Pioneer PRO-510HD 53" Rear Projection Television

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Loose Sound and Picture very now and then, but TV stays ON

My set was installed in mid-2001, though when i talked to pioneer about this model number, I was told that this set was manufactured in 1999!


The set ran nicely and still works well most of the time, but in last four or five months, it has devloped the following problem.


Every few days, my Pioneer Elite PRO-510HD looses picture and sound, but the green light on the bottom stays lit! Neither come back if I just live the set in that condition. But, if I turn it OFF, wait for about 10-15 minutes, the TV operates with picture and sound and acts normal -- until the problem occurs again.


Someone told me that this problem could be due to a bad Deflection Board! Can some one please tell me what a Deflection Board is and what would cause my problem and how I'd go about fixing it.


Thank you so much.

Posted by pkorisa on

  • 4 more comments 
  • Anonymous Nov 08, 2007

    My probelum the same as pkorisa's

  • pciaccio Jan 18, 2008

    I have the exact problem as pkorisa. Did she ever find out about the deflection board? I am having a hard time finding a service provider to work on a projection TV.

  • reloscott Oct 15, 2008

    I am having the same problem. did you ever find the problem?

  • kbsw3 Nov 24, 2008

    this is exactly my problem.... any answers yet?

  • kbsw3 Nov 24, 2008

    have exactly the same problem.. any answers yet?

  • chezprovence Dec 04, 2008

    On occassion, my TV will regain video and sound with the green light on ... but only with a very loud pop as it restores itself.



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Check out There are service manuals available for download. They start at $7.95. That might point you in the right direction.

Posted on Nov 07, 2007


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