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The screen is showing red and green pixels onley and some picture on the back ground.

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Turned TV on, crackling sound at back, streaks of red (like lightening) across screen, color out of whack. Any ideas of problem?

Posted on Jan 22, 2009


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Posted on Jan 02, 2017


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Purple Panasonic PC>TV Problem:
The VGA cable uses three primary color RGB channels.
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The picture is made up of pixels or dots arranged in a grid along the "X" horizontal axis and "Y" vertical axis.
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All RGB at 100% creates white.
R+G creates yellow.
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What does it mean by dead cells?

I assume this is related to your LCD monitor.
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The screen on my LG tv is not showing a picture. it has red and green pixels in the centre of the screen and has sound only.

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46 toshiba plasma has red tint in back ground

If you can see the red tint with every input source and also in the On-Screen Menu, then this indicates that the Green phosphor is burning off of the screen faster than the Red and Blue. This is typical of plasma screens. Even if you dont watch a lot of golf or football, green is the most dominent color and burns out of the phosphur pits(pixels) faster than the Red and Blue. Take away green, you are left with Reddish looking screen and Pink whites. This is not repairable.
If the Menu looks nice and white, check your source cables.
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My 20 lg powers up, red light turns green, but no picture comes up, the channel id shows then it goes dark. I can wait up to ten minutes still no picture unless I change the channel a few times then it...

You wont want to hear this.....

Green dots on a LCD screen are burnt out pixels and unfortunately are incurable other than having the TV serviced at a high price. One of the reasons it is a good idea to get a warranty on these types of TVs is primarily due to this very problem....burnt out pixels.

Please rate my help++++Thanks for using FIXYA

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Dead Pixels

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The phone should still be under warranty, you need to send it in to be repaired.

Post back for further help (Additional info). Thank you for choosing Fixya!

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Hi Grim159

I've had this once on a Epson Projector and the only way I could this right was by replacing the Mainboard.

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