lcd panel looks like it has a smudge made in china

I have a DB T20 that is projecting a brown smudge/ spot on the screen. It looks like it’s on the lcd if I look through the front lens. I know can see the lens is fine. What could it be? Is it worth opening it to take a look? Also it makes a buzzing sound like a fan sticking for first minute on power up then works fine.

Ok So there is a SOLUTION. If you want to fix your little projector you need to order the part below or one of the same dimensions. This part is a little bit thicker than the stock one but if you carefully press it in or widen the side guides a little bit it will fit and work perfectly. I ordered two so I would have a back up. It did take over a month for the part to come. I wrote it off because they never sent an email to say it had shipped, but eventually it did show up. That"s ordering Chinese parts for you. Good Luck! Haribol

lcd panel looks like it has a smudge made in china

I have a 27" iMac which I bought at Christmas in 2009, in February 2011 I took it to the Apple store in Greenhithe (UK) with grey marks that looked a bit sort of "wind blown" at the top right and middle and was told that it was out of warranty... So I kicked up a stink in quite a loud voice, so that customers could hear... (I am not easily embarassed about getting looked at)... A "manager" was very quickly in attendance, and after I calmed down a bit