I bought this lcd from a freind about 6 months ago and it worked fine untill now. after about 45 mins it has an on screen display that sayes it needs filter cleaning call a service tech and it will shut off after a min...and does. I called a couple of service shops and they all say the same thing "bring it in then we will grab the service manaul look up the problem, stare at it for a little bit, and write you up a bill."
What I am asking is Has anybody had this problem? what is the cost? is it some thing I can fix myself? Any information at all?