I have a Mitsubishi rear projection TV 45" and when I turn it on there is a click sound then a whining sound then it shuts off. There is no sound and no pic. It was working great and I have never had a prob. with it before this. it is about 8 years old. I checked the boards and did not see any burn marks or any other signs of anything wrong. It has 3 fuses and the one furthest from the power suply surges. the power to it goes on and off really fast about twice a second. The fuse is by a horizonal circuit board to the rear right of the tv.
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It just click ON and OFF, right? If you hear the hight voltage noise tring start, may be the Tv has bad vartical IC or regulator IC. If you have no experience with electronic you will need a technician to halp you.