Question about Panasonic PT-50LC13 50" Rear Projection HDTV

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Small spot on screen

While tv is on, be it a tv picture or playing a dvd,there is a little spot half the size of a pencil eracer almost looks like a whole in screen(no hole) i cleaned the screen with the special solution and cloth thinhing the little cherub splashed something on the screen did not help

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  • leemoyanld Jan 09, 2009

    the color of the hole is greenish

  • leemoyanld Jan 29, 2009

    thank you tvdave for the help sorry it took so long for reply,yes the hole is the bluish green allthough it is smaller than i indicated little bigger than a pencel lead,if it is burn in the crt tube how did it happen and can i prevent this in the future.



    thank you

    leemoyanld

  • David Friedel May 11, 2010

    When you say "greenish" could it be a mixture of blue and green?

    If so, this would indicate that it is a burn spot in the red crt. The absence of red would make the spot color blue/green

  • David Friedel May 11, 2010

    Is the spot a particular color, or is it black?

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There is really nothing you can do to prevent this. For some reason(unknown to me) the crt apparently arced at some point and burned the phosfor in the tube. This could happen due to carbon build-up inside the tube, but there is nothing you did or can do to prevent it. It could be just a fault in the tube. Sorry, but you are stuck with the spot unless you replace the crt. I have seen this in older Hitachi and Zenith sets. Sometimes all three tubes arc and you end up with 3 different color spots.

Posted on Jan 29, 2009

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You have dust on your projector, you should be able to take the screws out around the screen, lean the screen away from the tv, and wipe dust off the projector

Posted on Jan 09, 2009

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