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Color spots on 61" LCD Panasonic rear projection tv

Hi - I've researched the color spots appearing on our Panasonic 61" LCD tv, right now there a three in consistent areas - 2 blue and 1 green, approx 4 - 5 inches in diameter. Based on the solutions offered to other persons, it sounds like an eprom upgrade may do the trikc. My question is how do I contact Panasonic or a Panasonic technician to fix the problem? Thanks very much for your help!

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  • 4 more comments 
  • abinney Apr 21, 2008

    colored spots all over the 44 LCD rear projection TV

  • Anonymous Jun 13, 2008

    I hav ethe same problem a 52 lcd the question is how can you fix it

  • atckid Jan 04, 2009

    I have the same problem on a 52" LCD Projection. Two blue and one red spot.

  • txmedic03 Mar 07, 2009

    My 61" LCD Projection has the color spots of a smaller dimension and some colors displayed on screen will have a waverying discoloration.

  • Anonymous Mar 30, 2009

    52" LCD Panasonic rear projection tv. Currently one Blue and one Red spot (not looking forward to there being more). Does anyone know how to fix this problem?

  • MrWizard1946 Apr 07, 2009

    several color spots on screen either TV or DVD mode



    Fade in and out depending on the Background or picture color

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Rowdie1 is correct. You just need to call panasonic (number on website). Have your model and serial number handy. You have to go through several holds but you will eventually get scheduled for a service call with local authorized dealer. Tech takes the back cover off and plugs in a eprom reader/writer. Turns on TV. I sit and watch the dot go away after about 4 minutes. He lets it run for about two more minutes then all done. On service ticket is says "installed corrections". And best of all, no charge!

Posted on Jul 22, 2010

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Had the same problem on my 52" LCD rear-projection Panasonic,
contacted Panasonic support (number is on their website) and after
several transferred calls, they set up a service call with an area
service rep, who callled the house that evening to confirm appointment.
He came to the house, removed the set back cover, and installed an
EEPROM upgrade, problem is fixed and was told problem will not re-occur.
No cost due to Panasonic extending the warranty to fix known issue with
sets. (Mine was over 3 years old).

Posted on Apr 17, 2009

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Howdy,
The problem is with the EEPROM in the TV that needs to be reprogrammed. But you need to have the proper Correction Tool (LSUQ0100).
I don't think it's available to the public. Call a Service Company, but make sure they have the “Correction Tool”.


Thanks for using FIXYA, big IRISH.

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The problem is with the EEPROM in the TV that needs to be reprogrammed. But you need to have the proper Correction Tool (LSUQ0100).
I don't think it's available to the public. Call a Service Company, but make sure they have the “Correction Tool”.


Thanks for using FIXYA, thanks big IRISH.

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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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