I've had a Go 720 with this problem.
With the socket (or it's previous location...) closest to you, left to right:
1 2 3 4 5
+5V Data- Data+ N/C 0V
For charging, you only need 1 and 5 to be usable. For the Go, that was enough as it has an SD card slot, for a One V3 you're kind of stuck with whatever you've got on the internal memory currently but better than no satnav at all.
If all the solder points on the board are completely ripped off, can't help you I'm afraid. Hopefully someone knows some other points you can patch into.