Question about Vizio XVT423SV 42 in. HDTV-Ready LCD TV

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Vizio TV won't turn on

The logo lights up but the screen remains black when either the remote or jag button are used to turn it on.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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freetek
  • 5568 Answers

SOURCE: Vizio TV (L37) will power up but no picture

The backlight is powered by its own supply (although it may receive input from the main supply) and it sounds like the main supply or one of its outputs has failed disabling the video and sound processing.  

Posted on Dec 24, 2008

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  • 13 Answers

SOURCE: Vizio VW32LF powers up no sound no picture unplug to turn off

I had the same problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE: I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine.I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

Posted on Jan 22, 2010

freetek
  • 5568 Answers

SOURCE: My vizio e420vl turned itself

There are at least two power supplies in any set with remote capabilities; one is on any time the set is plugged into AC and is supplying that indicator and the receiving circuit of the remote, otherwise it wouldn't turn on under normal conditions. The second power supply produces the needed service voltages used when the set is in use. This second supply is a common failure in many sets and it is generally traceable to poor design and the use of low-quality components of a certain type. Vizio may have a repair or exchange program through their service center. I would guess the cost will be between $50-$150 and you might remove the back panel of the set and look for a smaller board with larger-than-average parts on it and is related to the AC cord coming in. It should be fairly easy to remove and replace as these are often outsourced and just plugged into the rest of the set with dissimilar plugs making it simple to install and reinstall.

Posted on May 29, 2011

SOURCE: Upon powering on my xvt47sv

The main board of this Vizio is known to fail after some use.

Its number is CBPF9D1KZ4 and as you will see it is hard to find, unless you want to pay $250 or so, which doesn't make any sense, at least to me.

Another common failure in those is the T-CON board, but from the sound of it the problem you have is in the main board.

Here's what I'd do if I were you: post a local ad on Craigslist, sell it to the highest bidder and use the money towards puchasing a new TV.

Not sure it's what you want to hear, but it's what I tell some customers and thus losing business that I couldn't have had anyway because it's insanely expensive and prone to more failures anyway.

If it helps you please vote for me - it helps me in turn :-)

www.coppelltvrepair.com

Posted on Jun 05, 2011

chesterpendi
  • 195 Answers

SOURCE: Vizio E550VL won't turn on. The vizio logo just flashes orange.

Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Posted on Dec 07, 2011

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Suddenly no picture only a black screen.The tv has power the little vizio turns on white i can hear the audio and change through the cable channels with my comcast remote.The vizio remote will turn the tv...


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Problem with Vizio L32 32 in. HDTV LCD Television
how do i turn off the orange light on the vizio tv, it won't go off after the tv is turned off?

Posted by avatar1.jpgmeg_car on Jul 08, 2009



Vizio TV Repair Power supply troubleshooting Picture problem Sound problem
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Solutions (2) Best Solution That little fella is only turned off by unplugging it. If all those little lights in America could be turned off we could do with one less nuclear power plant. If unplugging it is not an option, my wife's solution is to cover it with a piece of black tape.

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remove all screws on the back of the tv, carefully pull off back cover. you will see two circuit boards one on the left (Power) and one on the right (Video) on the Video board there is a small plug on the right side with a yellow, white and red wire going into a small white connector. the red wire is what controls the orange light on the front. now that the plug is pulled turn it over and you should see a small white plastic piece that holds each metal connector on the end of the wires in. pry this piece of plastic up for the red wire and pull at the same time, the wire will come out of the connector. now tape the metal connector with electrical tape and tuck it behind something or tape it to the chassis. plug your connector back in. put the rear cover back on. now your tv will only show the vizio logo in white when you have the power on. If you wish to disable the logo for both orange and white just disconnect the white plug completely.

May 16, 2011 | Vizio XVT473SV 47 in. LCD HDTV

1 Answer

VIZIO TV Black screen. Cannot turn off TV without unplugging.


I had a similar problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. I didnt hear an arcing sound though. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound. I would check the ceramic fuse first on the board that gets power from the plug.

HOW I FIXED MINE: I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine.I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

Jan 13, 2010 | Vizio VW42LF 42 in. LCD HDTV

3 Answers

Vizio VW32LF powers up no sound no picture unplug to turn off


I had the same problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE: I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine.I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

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2 Answers

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Do you have back light when turning on the TV? if you do then just replace the main board should resolve the problem. if you do not have back light, you will need to replace the inverter board(s) depending on your model. The inverter board(s) is located on the left side of the TV facing back of TV. you may have two inverter boards depending on your model. the other is located on the right side of the TV. Both mount vertically.

Jun 17, 2009 | Vizio L32 32 in. LCD HDTV

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