Why does my TV occasionally make a loud "click"?
It sounds like a settling house and it's only occasional. Plus, it makes the sound when it's off! It's done it for years and it's a mystery.
Probably the components or the chasis, warming up after you have turned it on. Alternatively, the components or the chasis, cooling down after you have switched it off.
Your on and off button is hooked up to a relay which supplies voltage to your TV set which makes that sound . You will also notice this sound on your Amplifier it also uses a relay. The power button will not take the current necessary to drive the power that is why they use a relay.
So the same would apply to any screen, right? Like a computer screen? Because that just clicked, too.
Glad clevercat asked this question, funny I have heard this from our TV over the years. Now I know the reason. Thanks, JThomp42.
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