Some years ago I made this video on how to fix a Neo Geo CD controller with bad directional stick. Please forgive its shitty-ness, but it should get the point across.
You can use iso alcohol and stuff to clean up the contacts as well. I used basically nothing to show just how simple it is to fix one of these.
You can use iso alcohol and stuff to clean up the contacts as well. I used basically nothing to show just how simple it is to fix one of these.