Question about LG 42PX5D 42 in. Plasma HDTV

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Screen problem when light colours change on screen to dark colours pixels remain and flicker about brightly

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Re: screen problem

This is a problem we have seen on this particular unit. There are internal adjustment that must be done to correct this problem. This adjust is done on the power supply. There are VS, VE and VA adjust. Look on the interior of the Panel for voltage chart. Adjust these voltage accordingly.

Best regards

Posted on Dec 09, 2007

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I have a LG 42LB5D 42" 1080 LCD television that

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.
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