Red Lines Across the screen?!

I did a search but didn't find anything similar to what I'm experiencing. I watch DVDs and movies on my iBook and noticed lately that the screen will have a reddish hue. I can adjust the screen and it will go away, but I've noticed it's happening more and more, and also getting harder to adjust the screen where the red lines are not showing up. I'm trying to figure out if it is a connection cable or the LCD. I can still get a clear picture with the LCD, but if I move it just a little, they come back.

You can follow the directions here:
http://www.keepandshare.com/doc/view.php?id=1132604&da=y
(You will need to download the PDF.)
Choose the links for the number of "Things to do first" from iFixit's website here:
http://www.ifixit.com/Guide/Device/iBookG312%22

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