iBook Blueberry LCD screen trouble



HI Guys,
Is anybody able to tell me how I could fix this.
Look at this first http://ladaan.webz.cz/mac.html
I'm capable to fix on my own, but I'm not home now and I would appreciate what exactly the problem is
and then just buy tools for that.
The white color becomes like a pink noise while I'm moving the display backward and forward.
The screen has less and less positions without pink noise.
Any ideas?

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