Question about Mitsubishi WS-65809 65" Rear Projection Television
The picture flickers on and off when we watch TV or any movie constantly then will play regular TV for a few minutes can someone tell me whats wrong and how do I repair it. PLEASE HELP!!!!!!!!!!!!!!!!
POSSIBILITY # ONE: Lamp. The gradation of the lamp illumination versus the mirror reflection rate sometimes produces a flicker effect. Replacing the lamp solves this problem. I know they are kind of expensive, but maybe you can return it if it does not solve the problem.
POSSIBILITY # TWO: A result of the progressive scan and 3/2 pulldown seams in the video stream. When film source material is converted to video (24 fps to 30/60 fps) and then progressive scan converted, there are switching holes that will sometimes produce a instant of no frame or two frames that skip each other. These makes a flicker that is not obvious to some but very obvious to other viewers - and is accentuated with DLP. Or, it could even be the video processor inside the Mitsu unit is not fully developed and is not good at smoothing out the flicker. You would normally see this kind of flicker only on material that was produced on film, such as movies. However, some video productions are produced on film, then converted to tv feed. So, it may be difficult for you to tell which program is film based!!
If there are other possibilities, I would like to know about them. (Cleaning the filter seems to me to be just regular maintenance item. Got to keep if clean and keep the lamp as cool as possible for long life, etc.)
Posted on Dec 25, 2008
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