If it has been left for a few hours it will stay on for about ten minutes before turning itself off, after that it turns itself off the instant after I turn it back on.
Driving me nuts....
SOURCE: DLP tv trouble shooting
Hi.
Yes it could be a cooling problem, If your tv has any filters remove & clean them ensure fan can turn freely & that nothing can or is snagging it.
http://dysonmanuals.inc.io/
Chris.
SOURCE: TV Turns off and on
How long since the last time the bulb was replaced? It sounds like the bulb is overheating and triggering a safety shutdown.
It's probably in need of nothing more than a good cleaning (open it up, clean off the boards with a can of air) and *may* be time to replace the bulb.
SOURCE: Samsung DLP TV shuts off
sounds like your power supply is going south...check the voltage coming out of the wall first
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Usually answered in minutes!
Same issue as OP, seems rather random, TV will stay on for an indeterminate length of time then shut off to standby! Turning back on results in the TV turning back off within a few seconds.
A temporary fix appears to be to turn the TV back on from standby, immediately turn it off fully via the on-of switch and then turn back on, this takes the TV out of standby and seems to reset the cycle with the TV turning itself off after a random amount of time.
Pain in the arse all round really.
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