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

3 Answers

Color spots on panasonic projection screen

My parent's panasonic rear projection tv, is starting to have pink and blue spots apear on the screen. Is there anyway to get those to go away, and to prevent them from coming back?

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  • jennasbib Jun 07, 2008

    i have a few blue spots as well

  • Anonymous Jul 07, 2008

    I have many different color spots on the panasonic tv. I have heard about taking a drill and running it backwards by the tv to fix the polarity. I have not tried this yet, just wanted to get some other opinions first.

  • bbsixty Jul 07, 2008

    same problem big green spots and several purple or blue spots

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  • 19 Answers

The light engine may be dirty with dust, the polarizer filter burned, or the LCD elements burned.

As a last-ditch effort, the light engine can be taken apart and carefully cleaned using compressed air.

Posted on Jul 29, 2008

Move anything magnetic or any sound producing electronics away from you television. This includes stereo speakers or alarm clocks. Give your TV 30min. to 1hr. to cooldown completely and see if that fixes your problem.

Posted on Jul 31, 2008

Remove anything magnetic or any sound producing electronics away from your television. This includes stereo speakers or alarm clocks. Give your TV about 30min. to 1hr. to completely cooldown and see if that fixes your probolem.

Posted on Jul 31, 2008

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If the spots are faint blue, green or pink shadows, then it can be a problem with the anti polarization panel placed on top of the LCD.

Similar spots (colored shadows) may be caused by a problem with the light engine, in that case the fix will be expensive.

If the spots are bright lights, like an aura, that is a problem with the color wheel.

Problems on the light tunnel can cause static gray shadows.

If the spots are static dark stains than that is lcd liquid, the LCD panel must be replaced.


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