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Why tv shuts off by itself?

When I power it up it clicks some lights come on inside the unit, the vizio light turns white. Then the unit clicks and shuts off. The screen does turn a dark gray color before shutting off>

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  • Ronald Misencik
    Ronald Misencik Nov 13, 2014

    If you mean the power plug from the wall outlet, L just tried that and it did not help! I have no idea as to what the cat5 network cable is could you explain?

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  • Master
  • 483 Answers

Dear User,
People who have faced such problems have tried sticking th epower plug (Going into the TV) a little harder and the thing never went off again.

If this is not the case, then it could be the cat5 network cable. Try keeping it out and observe.
Let us know further
Regards,
Sid

Posted on Nov 13, 2014

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Posted on Jan 02, 2017

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SOURCE: only vizio light on

why should i tell you (fixYa) how i fixed the problem for free? You wanted to charge me for your info so i think it's only fair that i charge you for mines. I did figure out and solved the problem.

Posted on Dec 31, 2008

  • 92 Answers

SOURCE: vizio 47" lcd no picture no sound has power

this could be one of two problem. first, check if you have back light. If you do then the problem is with the M/B. Second, if you don't have back light then the inverter is bad and needs to be replace.

Posted on May 20, 2009

  • 1 Answer

SOURCE: no picture or sound, light comes on in the front and have to unplug tv to turn it off.

I had this exact problem on my Vizio 47" HDTV. I removed the speakers and all the screws on the back cover. Took the cover off and located the fuses on the largest circuit board. The are in the upper right hand corner of the board. There are 3 of them in a row labeled LF 1.5, LF 3.0 and LF 3.0. The are white in color with copper ends. I took a volt meter and measured continuity across all fuses individually and found the LF 1.5 to be blown. The guy at the electronics store sold me a barrel 1.5A fuse and told me to soldier it across the top of the blown fuse. It took an extra set of hands but the TV works perfectly.

Posted on Jun 23, 2009

Raditronic
  • 196 Answers

SOURCE: plugged in orange light turno on vizio light is white no picture

possibly is the main board.

Posted on Apr 30, 2010

  • 1 Answer

SOURCE: Vizio shuts itself off

I have found that turning off the power for awhile will work as a temp fix for a couple of days and then just repeat the process.

Posted on May 28, 2010

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1 Answer

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The reason the tv is turning itself off, because most TVs have a "Protection Mode" that turns the unit off when it detects a failed part inside the tv.
The most likely the tv has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
Being that the TV is under a year old, it should be still under manufacture warranty. Last thing you want do is void the warranty by opening up the TV. Here's some info to get you started on the warranty:
http://www.vizio.com/support.aspx?id=1588

If it not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Jun 28, 2009 | Vizio P2 42 in. HD-Ready Plasma Television

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No picture but sound


do any lights come on with the TV?, like white vizio or orange vizio light. sounds like a problem with the power board. some vizio parts have lifetime warranties so contact vizio support and report your problem. if it is covered the service call is free. there is a green led light on the power board that should come on, if it is not on, you may have a bad power board. to see this light on the power board, turn off the lights in the room and view the tv from the back cover, power board is 3/4 way toward top in the middle of the tv

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