Question about Vizio GV47LF Television

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Vizio E321VL has sound but no picture

My vizio 32" tv lost picture while I was watching it - back light works and so does the sound.

Posted by Anonymous on

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5 Suggested Answers

Anonymous

  • 1 Answer

SOURCE: vizio vx42l hdtv back light

Vizio VX42L has sound but no picture, tried other connections

Posted on Apr 16, 2009

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B52Tony

Tony Nguyen

  • 96 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

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Anonymous

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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

Radames Pagan

  • 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

Anonymous

  • 121 Answers

SOURCE: no sound and no picture

It may well be the power supply. Filter capacitors have a nasty tendency of blowing, as well as voltage control ICs. If the filter blows, you end up with a shaky DC signal that can't be effectively used by digital components (which make up about 80% of modern TV circuits). If you're within warranty/exchange then go for the manufacturer. If not, and you're comfortable with opening these things, then you can carefully (after unplugging and allowing it to discharge) take a glance inside. If any capacitor(s) are visibly blown out, then there's your problem.

Posted on Jun 03, 2010

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The main board is having an issue the AV inputs will eventually fail as well the HDMI are first to fail. Replacing the main board should solve the issue. You can get the replacement main board from www.tvcircuitboards.com

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hello, sounds like a capacitor blew inside possibly your power supply was fualty or the capacitor that blew overheated and cuase the sound its typical noice a capaciotr makes when it blows.. hope this helps

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1 Answer

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.

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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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Sound Problems with 32" Vizio HDTV


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