Hey, I was hoping someone knows more about this 'blue screen' problem that some lcd projectors, particularly Panasonic projectors (eg pt-ax100u) are having, specifically whether the issue is something that can be repaired/replaced relatively cheaply if labor is performed diy as it could save a bundle. I came across this thread on avs (check out the post by 'Huey') where a member states that the optical block is the culprit and it costs $150 to replace (part only). I was wondering if anyone knew how much the part actually costs, and the best way to obtain it. I've seen several projectors from different brands for low prices, perhaps $100 or $200, with the same issue. Some even have low hrs on the unit. BTW, I can handle typical troubleshooting with a multimeter.