Hello,
I have a 3 year old TV bought from Sears and it will not power on. All of the other units that are plugged in the same extension outlet have power but the TV does not. Is this a power supply issue; Can i buy a new power supply to replace the old one? PLEASE H E L P.....
Thank you for your quick response, i will have someone come and look at it. Do you know where the reset button would be, i did not see one behind the TV? I am not sure if i will ne to open the back of it.Thank you for your quick response, i will have someone come and look at it. Do you know where the reset button would be, i did not see one behind the TV? I am not sure if i will ne to open the back of it.
AnonymousFeb 22, 2009
tvshuts off after 20 seconds
tvshuts off after 20 seconds
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432 Answers
Re: TV will not power on
I guess you already tried different outlets and plugging the TV straight to the wall outlet.
DO NOT ATTEMPT TO WORK ON THIS YOURSELF!! Have a qualified tech come out and look at it. First, call around, found out where the reset button is. Get price quotes.
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The problem is 4 capacitors on the power supply board. Just had mine done under warranty. They (Sears) replaced the whole power board but you can get larger capacitors and just replace those for alot cheaper if not under warranty.
If you can hear sound and the sound coems from your TV, try changing the volume with teh TV remote control. Your TV isn't off it is still on. Just the video board or portion is cutting out. this could be a ton of things, I would try changing out the power strip or plugging the tv into the wall directly to make sure it has enough power. other then that you can try a home brew solution like putting a fan next to your tv to cool the component that seems to be overheating and shutting down your picture.
Have you tried a different cycle? The thermostat that controls heat has failed. There are more than one for the different heat settings. Try a different setting, then go from there.
My 47" Vizio wouldnt turn on this morning.....had a similair problem 3 yrs ago.....this is what i did and fixed the problem myself.....apparently you have to reset TV. Here is what has worked for me. So unplug tv power cord from the tv. Hold the power button and imput button together ( located on side panel ) for approx 45 sec......plug cord back into tv. Press power button on tv and voila !!!!! Tv came back on!!! I have had my Vizio almost 5 yrs. But have to call the unhelpful customer service atleast once a year.... I hope this works for you :)
Thank you for your quick response, i will have someone come and look at it. Do you know where the reset button would be, i did not see one behind the TV? I am not sure if i will ne to open the back of it.
tvshuts off after 20 seconds
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