Question about LG RU-42PX10 42 in. HD-Ready Plasma Television

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LG 42 Plasma has a black Fuzzy Screen when 1st turned on

My 2year old LG 42 Plasma has a black Fuzzy Screen when first turned on from being off, It takes around 45 minuites to get a clear picture Someone said the LG TV'S have Faults with Fuses and this could be the problem, Has anyone else had this problem?

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  • Master
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No, if ANY of the fuses were bad, the television wouldn't operate at all. I suspect that a technician will have to possibly make adjustments to the Y-sus and Z-sus panels to see if that helps. Possibly the y-sus panel is going bad or the plasma panel is going bad itself. Either way you need to have a technician look at the TV for you. Please take a few moments to rate my answer. Thank you.

Posted on Nov 18, 2009

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  • LG Master
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Doesn't sound like a fuse-related symptom but rather the sign of a failing capacitor in the high voltage supply; when weakening, their characteristics can improve slightly with warmth but it is likely going to get worse. I don't know your set so can't say if the HV supply is integrated with the main supply or not.

Your model number is incomplete so you will need to add some characters to get the right part.
This company does offer some warranty on their items which are primarily gathered from disassembled sets but check with them:
Jimmy's Parts
If you replace the failing board, don't throw the other away, it is a repairable item if you find the right technician.

Posted on Nov 18, 2009

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  • Master
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Not likely if a fuse was bad the tv would come on afer warmup your sa or sx power supplies are down which could be a bad cap look around for a puffed up can like device on the two outer boards
goood luck

Posted on Nov 18, 2009

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