Question about Vizio SV470XVT 47 in. LCD TV

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Vizio LCD TV SV470XVT1A displays horizontal or vertical lines. On Power up the screen alternates between many fine vertical lines, and many fine horizontal lines, then stabilizes with either horizontal or vertical lines but no picture. Audio is just noise. Cannot select menu from tv or remote. Cannot get cable channel input. Unplugging from wall for several minutes does not correct the problem. Powering off for several hours, then back on does not fix the problem. At least 2 of 8 TV's have developed this problem. One was corrected by powering off and back on. The other still will not power up correctly. What may be wrong? What can be done to correct the problem?

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  • bbarco Mar 30, 2009

    I have the same problem and can't get warranty work since I bought it from a liquidator.

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5 Suggested Answers

  • 356 Answers

SOURCE: I just purchased a vizio lcd model sv470xvt1a

Hi martnezlizz, I will be glad to help you with your problem,

  1. You must have 2 video sources connected to the tv.
  2. Connect your main source, cable, antenna or satillite.
  3. Connect your second source, dvd player or game console.
  4. Press the PIP button on the remote.
  5. Press the Pinput button on the remote.
  6. Choose which input you want to use as second source.
Detailed instructions can be found on page 55 of the manual and here is a link to download it. http://www.vizio.com/assets/0/92/94/118/de070116-91ba-4d18-b436-f3c168e03b53.pdf    Let me know if I can assist further and please rate this solution. lone99star

Posted on Jan 12, 2009

  • 36 Answers

SOURCE: Sony Bravia 46Z4100 has a thin vertical red line on the screen

I assume that when you get the line you lose the picture, if so, you have vertical collapse, either a dry joint in the vertical section or capacitors or vertical I.C., I would doubt that the scan coil would be O/C as that is rare. if you can't do it yourself I suggest taking it to a repairer, as it should be an easy fix...Hope that helps...Phil

Posted on May 19, 2009

  • 1 Answer

SOURCE: I lose Audio from internal speakers Vizio

This issue is actually caused by my cable box. Access the audio SETTINGS on Hand held Cable Remote, and turn on the HDMI and or "Digital Audio Out" option. found on 'more' settings list. This should fix the issue. I had assumed the Cable companeis 'Boot' would have installed this feature during its initialization.

Posted on Dec 20, 2009

toolkits
  • 1099 Answers

SOURCE: My Vizio SV470XVT1A, when turned

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.


Posted on Aug 03, 2010

welcomejee
  • 10594 Answers

SOURCE: I have a Vizio SV470XVT1A

Let me know do you get on-screen display or Menu in screen?
Thanks.

Posted on Sep 28, 2010

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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.


Aug 03, 2010 | Vizio SV470XVT 47 in. LCD TV

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