Sony pvm 20M2MDU wrong colors

Joined
May 1, 2010
Posts
32
I recently got this very dirty pvm for free (was sitting outside). Before turning it on I cleaned out the inside a little bit. At first it had the correct back background with the white menu. Now the background is white with green letters for the menu. Sometime if I blow air in the back the color of the picture would change. Anyone have a idea how to fix this?
 
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