I think Caty had [maybe still has] a 1200 with a pin missing from the USB socket. I replaced a socket on a 1450 because it was u/s and although pins looked ok reflowing the connections didn't help, from memory that replacement socket was scavenged from a dead 12x0 board. I've fixed a few of them by simply reflowing the connections which is an easier job that replacing the socket.

If you can find a working matching socket preferably from a junked garmin get a micro soldering kit and a stand magnifier with built-in light. With the right gear the job's not too hard even with my senile palsy and crap eyesight.