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No, pin 8 looks great, there's not a sign of anything looking bad on the board, but I've inspected this area closely and it looks untouched. I'll keep looking in other areas.
I'm not seeing anything else off yet. After it shuts down it looks like a board that was turned off. There's no looping attempt to restart. I can then hit the power button and it will turn on. Something is telling/causing it to turn off.