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The ticking noise is the metal cooling.
NO, when you turn off the TV, the output of the TV will also go off.
Phosphorus
Without the year, make or model of your vehicle it could be a bad compressor and or a bad compressor clutch.............
Less power if turned off then turned back on; however, the shock of turning on a cold TV is what wears it out, so the fewer times you do that, the longer it should last, in theory.
There's many ways to make car make noise when it is turned off I am only going to explain one because I have to write another response about performing proper change of headlight fluid. Depending on how much noise do you want to make there are several options. One easy one is to puncture your tire with a knifeor a nail. The noise will be pretty loud, but short when you use a knife and quiet but longer when you use a nail. The good thing is you can repeat the process three more times, or four if you want to puncture your spare too.
It's a maintenance thing, helps stop ink drying out
Yes, it is a good idea to do so after you have turned it off.
It sounds like your ignition timing timing is too far advanced. It will need resetting.
My Phillips 42 inch Plasma TV wont turn on. It just makes a clicking noise from the back. It wont power off using the remote or the manual turn off i have to unplug it
Probably answered by this service bulletin: TT0404-004 APR 04 Body - Whistle from Engine Area
Don't know what the year, make or model is but it sounds like the temp blend door actuator gears are stripped.