HELP HD 3333- RF Blank Screen

utsc

Newbie
My Videocon HD 3333-RF works fine and I suddenly get a blank screen (it appears that there is no output signal from the STB to the TV).

The STB becomes unresponsive (frozen). I can not do anything with the remote.

However when I unplug the STB for 5 minutes and plug it back my STB works perfectly fine. However my STB gets frozen again after about 1 to 2 and I have unplug again.

I manually updated the STB Software to DID 14 two months ago and I did not have any problems for two months until now.

Anyone having similar issues?
 
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