Since it's dead anyway you could try to fix it.
Open it up and remove the board. Look under a good light and maybe a magnifying glass for bad solder connections.
Check the largest components very carefully.
Look for hairline cracks where the parts are soldered to the print.
Sometimes slightly moving a componant makes the bad connection obvious.
Mostly I have found the xtal has a bad connection. But this was on remotes 20 years ago :-)
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