Zenith D52WLCD

On a symptom like that I would do further tests. I would like to see ALL inputs, video, Y/C, component and if possible DVI.

I would also take some kind of signal that can display a full white field and a full black field. See if there are splotches or anything, these sets seem to burn up the blue polarizing filter. While this is not the cause of your immediate problem, you might just fix it and see that there are yellow spots in the white and/or blue splotches in the black. If so, don't put any money into it, at least for now.

I have been looking for a method to replace the polarizing filter, not so much how to put it in, but how to determine it's orientation.

It seems that there are some bit errors in the conversion process, but at the cost of any parts for these things, if it works on any input properly, I would simply use that input. It may be relegated to a super computer monitor, but your wallet will be alot happier. Additionally you might try replacing a bunch of SMD caps on the module.

In short, I would make sure I could get a good uniform screen appearance in the black as well as the white before putting a dime into one of these. Generating single color fields would be a good idea as well.

JURB

The optic engine was the fix. Warranty.

David, on the Illinois prairie.