Why do TVs make that cracking/popping sound when they're turned off? (1 Viewer)

[DanN]

I've noticed that every TV i've owned always makes a "cracking" sound or a "snap" after it's been on for a while. Usually, I notice it after I turn the TV off and it's cooling down. Is this normal for TVs? somebody mentioned to me that it might have something to do with the transisitors or static electricity(?)

 

[Nicole P]

Expansion and contraction from changes in temperature.
Computer monitors do it as well.
Cheers,
Nicole P
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