Question about RCA HD50LPW175 50" HDTV

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52" LG LCD rear projection screen blue discoloration

I have a 52" LG LCD Rear Projection tv and the bottom of the screen has some blue discoloration. Does anyone know what that means?

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Bonsoir!ce que vous avez ici c'est un probleme de light engine ;c'est surement un le filtre bleu qui est brule et cette tache va remplir tout l'ecran apres,il faut contacter lg et manifester parceque le light engine coute tres cher 900 us

Posted on Oct 18, 2008

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Posted on Jan 02, 2017

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Hello, I have an LG lcd rear projection tv and parts of the screen are turning blue, do you think it's just the bulb or the light engine?


Hey there first of all your tv is a lcd rear projection set, this tv's don't have a light engine system, they use a optical block

whats happpening is that one of your lcd chips is burning out and this problem will start to get worst, to be honest with you it's very hard to purchase just the LCD chips, you need to buy the optical block to fix your set, also the bulb has nothing to do with the color the bulb just shoots out light.

please rate this solution!!!!!

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Replace the stk convergence ics and also the 3.9 0hm fusible resistors.

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