Something that people aren’t mentioning is that older TVs routinely had socketed parts. This ranged from vacuum tubes (for TVs from before the 1970s) then various ICs and cables. These connections would become questionable with thermal cycling and also tarnishing. Causing the parts to shift slightly would often make a better connection.
Realized I’m showing my age the other day when I firmly knocked a broken device on a table a few times to see if it would start working again. My daughter asked why I’m hitting it if it’s broken. Uh. To fix it, duh.
Something about smacking broken electronics around was therapeutic. We should go back to that. Besides, if it’s truly broken then hitting it can’t do any more damage.
Now I wish a car guy would explain how hitting car parts with a wrench can make your car start again. When we were teens my husband had a truck that demanded he get under and whack the starter every morning.
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