From an electronics repair website: Projection TVs: set looks out of focus or cloudy:This is usually a problem with contaminated coolant liquid in the picture tube reservoirs. Unfortunately there isn't much an untrained person can do in this situation. This is a big job to perform. The picture tube/s with the contamination will have to be removed and the contaminated fluid drained, the reservoir cleaned and refilled with coolant fluid. There is most likely going to be a convergence realignment requirement with special test equipment. Also the lenses will need cleaning and an inspection of all three tubes to check for any fluid leakage, which can short out the electronics and create a hazard as well.
I wonder what it will cost after you try the repair on your own?
I wonder what it will cost after you try the repair on your own?