eli5: How does smacking a TV make it work again?

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Sometimes when TVs show nothing but fuzzy static, in the correct channel, people can hit them and it ‘fixes’ it and displays the correct image, how does that work? What’s initially wrong and then what gets fixed?

I’m not sure if it happens with new TVs though.

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8 Answers

Anonymous 0 Comments

A television used to be made with tubes in them. Now everything is on a motherboard.

So smacking a television would even make the tube connect or start up.

You could take a tube out of the television yourself and go to the store and there was tube testers you could put them in to tell if they still worked.

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