Icom 7100 rear sockets original configuration
Icom 7100 have 2 antenna sockets,
Ant 1 – HF, 50 and 70 MHz,
Ant 2 – 144 and 430 MHz
John M0UKD made this change and wrote about his experience.
You can download a copy of the Icom 7100 user manual here.
The most difficult part is finding a source for the 2 hole N-Type sockets, I sourced one from Ebay.
Here you can see the chassis socket has been changed to N-Type.
I have included a picture showing the internal layout with the rear panel removed
Very good idea ! I did it and doing it on every transceiver that goes in my hands, using teflon insulated/gold plated “N” socket. I am also changing the HF SO-239 socket with a teflon insulated/gold plated (better quality) socket. As the transceiver is open, I am soldering the central pin of these connectors, as I do not trust these “spring contacts” used by Icom.
73’s
Bruno, F1HDQ
I have yet to change this socket, but I purchased an N type socket direct from Icom UK.
As I understand it the spring type contact is to allow for mechanical movement due to the radio warming up.
Does that sound sensible?
Sorry long way behind web comments. Yes that does sounds sensible due to thermal movement.
73 Dave