Question about LG 47LC7DF 47 in. LCD HDTV

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LCD TV WE HAVE A LG LCD TV THAT HAS A RED STREAK IN THE MIDDLE OF THE SCREEN THAT GOES FROM TOP TO BOTTOM. WE JUST BOUGHT THIS TV IN NOVEMBER, PLEASE HELP!

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This set should still be under warranty. Inquire about warranty service. DO NOT open it up as that would void the warranty. There is a problem with either the logic board or the panel itself. In either case, it will be covered under warranty.
Dan

Posted on May 28, 2008

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Posted on Jan 02, 2017

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hi, usually you can correct this issue with only a few system checks, dark streaks can be caused by damaged pixels on the screen, in which case you need to replace the TV.
  • Inspect where the dark streaks are on the television. If the streaks occur at the same place on the top and bottom of the screen, they are due to the formatting of a movie or television show you are watching. This is normal. Also, if the streaks appear on the left and right of the screen, they are due to the show being filmed in full-screen instead of wide-screen. This also is normal.

  • Change the input setting so you are viewing the contents of a different device. If the dark streaks are gone, you know they are due to the device connected to it. However, if the dark streaks remains no matter what input the TV is connected to, the problem lies with the television.

  • Inspect the cable connection. Oftentimes when connecting a computer to an LCD TV, you can have strange dark streaks across the screen. Use a DVI-to-HDMI cable connection when plugging in your computer, then press the "Menu" button on your TV remote, select "Picture" and chose "Square Pixel." See whether the image adjusts and the dark streak goes away.
  • Contact the manufacturer of your LCD television if the dark streak remains. This streak can be caused by a defect in the television; if the TV is still under warranty, you can have it replaced.
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