Question about Vizio SV470XVT 47 in. LCD TV

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Vizio 47" sv470xvt1a 6" wide verticle green bar on screen

Happens after about an hour of play also have that hot plastic smell have had the tv since Jan

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Hello ,

I would suggest checking the driver circuitry for the LCD screen and I would also check the connectors from the driver board to the LCD. Either a component has begun to malfunction (hence the excessive heat) or the component has becom thermally sensitive and is reacting to existing heat and is allowwing excessive current to pass causing more heat to be generated. In any event have a qualified TV technician look at this problem because he will have the proper equipment to troubleshoot the TV in the proper fashion.

Posted on Jun 17, 2009

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Posted on Jan 02, 2017

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http://electronicshelponline.blogspot.com/
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If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
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Jun 10, 2017 | Vizio SV470XVT 47 in. LCD TV

1 Answer

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Hi,

All plasma an lcd TVs have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They can sometimes be fixed, but it is a pain. An yes I have done it, and the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them, but it is very easy to wreck em.


Good luck.


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1 Answer

Green shadows appear on new visio SV470VT. Very


It maybe a circuit control board for the screen. Last thing you want to do is void the warranty by opening up the TV.
Best to use the warranty at this point. Here's info to get you started.
Phone Numbers
Technical Support or To Place an Order
Toll-Free: 877.698.4946
(877 MY V I Z I O)
Technical Assistance Emails:
techsupport@vizio.com
Customer Service
Toll-Free:888.849.4623
(888 VIZIO CE)

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Hello,

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I hope this helps,

Thank you,


Shuttle83

http://www.electron-age-technologies-llc.com

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