D
Dave
Guest
I was thinking about replacing the DC power plug on something when I noticed
that both the one I am was about to take out and the one I was about to put
in have three solder contacts where they meet the PC board. Why THREE? The
jack and plug both only have two contacts, for + and - so what's the third
solder contact for?
Thanks,
Dave
db5151@hotmail.com
that both the one I am was about to take out and the one I was about to put
in have three solder contacts where they meet the PC board. Why THREE? The
jack and plug both only have two contacts, for + and - so what's the third
solder contact for?
Thanks,
Dave
db5151@hotmail.com