I know you can't "turn off" tv but its getting hot in standby..

Hi
I know you can't "turn off" tv but its getting hot in standby, I havent used it all day, and the top is still really warm. I know this is the heat sink, but why is it getting so hot when in standby and doing nothing, for many hours?
To turn off I realise will have to switch off at mains. Is this recommended? when should I do it? when not syncing and in standby?
I'm a little worried by how hot it is, when never used for about 48 hours and in standby
cheers

........ leaving it on 24/7 doesnt cost that mch though does it?
All depends on how much your electricity costs, at 10 p/c per kilowatt/hour, your tv using around 18 W in stand-by will cost you about 30 1/4 p/c a week.
If cost is a factor for you then consider switching it off overnight, don't however worry too much about the heat. It may appear to run hot because of its unusual heat dissipation, however if you were to place your hand on the heat sync surrounding your cpu on your mac/pc, you'd likely realise comparatively the tv isn't excessively warm. (The CPU's in my mac are currently running at 44-56 C for example)
I don't particularly see much wrong in turning the unit off from time to time, (although I'm not sure I like the idea of not knowing if the HDD is writing at the time) assuming it isn't excessive. Excessive switching is not good for most devices since strain on mechanical parts and stress caused to electrical components due to large temperature variations can lead to early failure.

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