Question about Sylvania 6842PF 42 in. EDTV-Ready Plasma Television

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Plasma 6842PF This sylvania plasma edtv makes a ringing noise when there is a bright background. Close to the noise you would hear when a flouresent bulb is faulty. It's 2 yrs old but has basically made the noise the entire time ive owned it. Any solutions?

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Re: Plasma 6842PF

Guess what you may have hit the nail on the head. Plasma TV used a balast type power system for the backlighting and that is what you are hearing. I would suggest getting this set looked at to see if the plasma excitor needs to be replaced (it may have another name in this brand of set).

Posted on Sep 21, 2007

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