Repairing my old PlayStation Controller

The start button felt fine, but wasn't registering in game. Turned out to be a really simple fix; just some gamer gunk on the main board.
The music is from Pizza Hotline's "Low Poly Breaks [Disc 7]" video. Not trying to steal content. I just love listening to their music!
/ @pizzahotline_
• Low Poly Breaks [DISC....