Sounds very typical of a component failing after heating up for a bit. Often in the Power Supply or Horizontal Output section, WE find the offending component(s) usually by using a can "Freeze Spray" and spraying suspected compnents when the problem stops thats ya faulty one... replace it/them and usually thats it. But if ya no good at doing it yourself.. then it's off to the shop... Generally because of ther size these beasts cost a bit to fix.. If ya have to take this route, ensure ya get a firm "Quote" AND an explanation of whats what. G L. Oh and offer to take it to the Shop, this will.should save ya some $$'s
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Hi if its a Lcd or Dlp rptv most likely its time to replace the lamp if tv is between 2-4 yrs.If you hear clicking it could be the ballast which is the board that powers the lamp.Make sure fans are running ok ,dust them out if they are dirty.God bless you!
Sounds to me that the DM is the cause. If this model is 7-8 years old, it uses a DM that is no longer available or supported by Mitsubishi. You could confirm this by calling Mitsubishi at 1800-332-2119. This is there Customer Service Line.
Hope this helps,
Yes you will need to replace both of the STK392-570 Convergence ICs and the two 5 amp pico fuses. You can get the parts at the following link and they provide instructions with pictures that show how to do the repair. Heres the link' http://servicemanuals.vstore.ca/