I was wondering if the screen on the Samsung is similar to the screen on a Phospor based RPTV. I had a 47 inch Panny RPTV and it didnt have a screen protector. The projection screen had ridges that go all the way down. The manual mentioned to clean gently up to down to avoid damaging these ridges. But looking at my Samsung, it doesnt appear to have that type of screen on the inside (not talking about the plastic protection screen. I would like to know because I am contemplating cleaning some dirt off the back of the screen (using the access port above the component inputs. I called Samsung and they say it will be 2 weeks before they can get a Tech to me. I read about someone cleaning the TV screen this way. Looking through the opening, I believe I can rig something up with a small stick (pencil or somthing else non sharp) and my microfiber clothe tied to the end. However, if this thing is groove based (the screen) I would be scared of damaging it. It will be impossible to control the direction of the nudging (although I know I can do it with minimal pressure) to remove the dirt (I know its dirt because you can see it illuminated on the back of the screen when the TV is on). Any knowledge would be appreciated.