Question about LG 42PC3D 42 in. Plasma Television

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Lg plasma t.v. has sound, but no picture

Was watching t.v. and all of a sudden screen went blank, but there was still sound..... t.v. only 4 yrs. old.....took it off wall and disconected cable but still didn't work... Any idea why?

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That usually indicates that the power section driver board (one of them) has failed on you.There are three boards each of which can fail and cause this. Usually it is the Y or Z board.

Bad news is to know which one you need to be able to test inside the tv. Good news is the boards are fairly cheap around $35. So you probably will have to take it to a repair shop to get it fixed. Unless they really try to do a number on you as far as prices it is worth fixing. However be a bit cautious here and get and estimate and find the price of a new tv. If the markup on the parts and the labor gets close to the new tv cost then you will need to decide if it is worth fxing or replacing. Ie used tv or new tv with warrenty.

Posted on May 13, 2010

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  • 4 Answers

Sounds like your backlight went out which if its a lcd it will either consist of floresent tubes or the newer tech which is lcd backlighting

Posted on May 13, 2010

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