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THAT IS GOING TO MOST LIKELY BE A PROBLEM WITH THE OPTICAL ENGINE AND PANASONIC HAD SEVERAL MODELS THAT HAD PROBLEMS WITH EEPROM CORRUPTION THERE WAS A RECALL TYPE OF EXTENDED WARRANTY I SUGGEST CALLING PANASONIC THEY WILL SEND SOMEONE OUT TO FIX IT MOST LIKELY FREE OF CHARGE :)
It is a bad optical light engine. At first when the sets were new and
this happened the part cost 1100 and then when so many started having
it they dropped it to 225 for a while.
Now the least expenisive one is about 600 wholesale--not usually worth fixing considering the replacement cost with a new set.
Also: there are several class action lawsuits pending regarding both models for this problem.
The lamp used for a light source shines into the engine through a
series of lens and baffles--heat from the lamp damages the engine
inside--the new replacement ones are not supposed to have this
problem. The engine has a lens on top that puts the picture into the
mirror which puts it on the screen.
I am sorry to give you this news but if you have a fairly large oval "reddish or pink" area it is the engine.
If you do not have the set under extended warranty I would suggest you
try to get involved in the class action lawsuits. Google the full
number with lawsuit or light engine after it and you should be able
to find this information.
I han into this problem myself on my Hitachi Rear projection TV. The part that has gone bad is the "Light Engine", and is a common problem with rear projections. There are 3 mini LCD screens inside your TV. One Green/yellow, one blue and one red. When the heat builds up in the TV over time of usage, these screens will break...causing that color to "bleed" everwhere. My TV was under warranty when it happened, but the part itself would have cost upwards of $200-500 bucks and the labor is another $300-$500.
When the tech fixed my tv, he told me he would see me again within 2 years...and said I'd be better off getting a new TV. That is what the problem is. You can research "Light Engine" here on fixya, and you will find a TON of info on it...and a lot of people with the same problem.
My problem with my projection LCD was the light engine went bad, it manifested itself with a growing blue haze that eventually washed over the entire screen. Luckily I got it fixed under warranty because it was a $2500 fix. The light engine is buried in the TV and needs a professional to align it.
Go to the Samsung website, find your model under the search function, and click on one of the returned links. Once there, you should see a link that says "Featured Accessories". Click on that and you will go to the Authorized Samsung parts site, where you can find the EXACT cost of the parts needed. Hope this helps. Mine went out, and it was only $65.
Does your model end with a "5" as in PTnnLCX65? If so call the Panasonic call center to schedule service or find a servicer, they have a fix for colored spots on the 2005 MMDs ending with the number 5. The fix is being coverd under warranty.
1. Look at the new lamp. make sure it still looks good. not broken with little glass pieaces in it. 2. When you turn on the tv, put your ear to the lower back part of the tv near the middle. Listen for the start up of the color wheel (a low high pitch sound only at the start up of the motor). If this is good you will here a ticking sound only if the lamp dose not light.
Now with all this info. If the lamp lights (as seen from the back of the set) and goes out after a few seconds and you did not here the color wheel spin up, the color wheel is bad.
If you here the color wheel spin up and no ticking sound, the Ballast is bad.
The ballast part no. 939P978010
The color wheel is not avialable from Mits. You will have to replaced the light engine. It cost to much. Just buy a new tv.