Question about Vizio VP42-20A 42 in. Plasma TV

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Television screen flickers when bathroom fan is turned off?

Well, I bought this television and it would not turn on. Capacitors where blown and I replaced the power board. Works great. When bathroom fan is shutoff the screen turns off for about a second or two. Something tells me this is very bad. Is this why the board blew in the first place? Will this cause it again? Should I get something like a backup battery or something to provide a clean steady current, since the television apparently is not.

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  • Vizio Master
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If the bathroom fan and your TV are on the same circuit, it is likely that the problem will continue

Posted on Jul 16, 2013

  • Jeremiah Dawson Jul 16, 2013

    well I was just shocked by the TV slightly. and the screen flickered. I think there's a grounding problem. would that be accurate?

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Tv comes on as it should, but picture and sound both go out after a few minutes. Then it comes back on after a minute or so. This continually happens and there are no blinking lights. Help


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
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New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.

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1 Answer

Does not Turn On


You will have to remove the back cover, they are a few screws to undo, once undone gently prise the back cover off. You are looking for the power board, if unsure just follow where the cable plugs into the back of the tv. Check for any signs of blown componants on the board, the main culpruts are the capscitors, they are barrel like in shape with silver tops, if you see any dark liquid resadue on or around them they are blown and need to be replaced, also check the tops of the capacitors, if they are slightly domed or pretruding they also need to be changed.

Check the board for any fuses, there should be at least one on the board, if you have or can get hold of a continuity tester, test the the fuse, if it has blown you can get them from your local appliance repair shop or stores like maplins, or online electronic stores, the same with the capacitors. hope this helps and post back if you require further assistance.

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The backlight inverter board may be going bad or the power supply problem. Look for bad capacitors.
http://en.wikipedia.org/wiki/Capacitor_plague

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it costs $2.50 to fix its 2 capacitors in the motherboard need to change them very easy i just fixed mine took me an hour all together and less then 3 bucks .if you open the tv look in the middle motherboard and you will see witch capacitors are blown because the top of them is raised up change them and ure done,all the capacitors have a cross scored in the top ,so they dont blowup ,so if you see 1 raised just a little bit its fried change it while ure in there , they wanted $400 to $500 to fix lmao now .

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There are bad capacitors in the power supplky and or the PIP board. if you have no solid state repair experience, call in a pro to assist you in this repair. Good Luck

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