Question about JVC AV-56P575 56" Rear Projection HDTV-Ready Television

1 Answer

Liquid in screen

Hi There,

My daughter doused the front of the screen with windex in an attempt to clean it. The windex pooled at the bottom of the screen, and it appears the liquid was then drawn up inside the screen. I am guessing the screen has layers or something, with little air spaces, so the windex got drawn right up in there. Looks like some of it evaporated, but there is still an area at the bottom right with some discoloration. Any way to clean these screens? Do they come apart?

Thanks,
-Houston

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The screen is two separate pieces of plastic. One is a fresnel screen and the other is a lenticular panel. They act together to disperse the light evenly. Yes the front bezel will come off and the screen will come out. But they are taped together with just a slight air gap between them. The windex was wicked up between the two panels by capillary action of the fluid and space between the panels. Trying to take the screens apart would be easy. The problem is the grooves in the two panels are almost microscopic so any attempt to rub them will leave a mark. Plus unless you have some kind of clean room the slight dust particle or hair that gets left in there will stick out like a sign when it is reassembled and turned on. The only hope to try to correct this is to removed the bezel and then the screens but do not separate them. Then wedge some tooth picks in the very bottom of the edge where the stain is being careful not to push the picks up into the viewing range. Then with a spray bottle of just water try to rinse the windex and wick up the water with a wedge of paper towel just inside the edge. The same action that got the water up there will wick it down.Repeat this several times to delute the windex as mush as you can. It may not get it all away completely but it should make it livable. After the last rinse leave the picks in and left the panels air dry before putting everything back together. The most IMPORTANT thing not to do is to lay the panels flat and flex them, this will allow the two grooved panels to chaff one another and they will be destroyed.

Posted on May 17, 2008

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