[ICOM] IC-730

[Randall M. Payne]

Dave, thanks for the reply, esp. the info about tightening screws.  I'll 
check that while the rig is apart.  I know the pot is bad and does need 
replacement.  I've emailed Icom and am awaiting a reply.  Hopefully the 
part is available from them.
73,
Randy K4EZM

dave wrote:

> Randy -
>
> I would bet that it needs to be a linear taper pot, based on my 
> tinkering with CB to 10-meter conversion rigs.  Linear taper means 
> that the resistance change is even across the entire rotation of the 
> pot, as opposed to audio taper, where the resistance change is smaller 
> for the first 1/4  or so of the pots rotation.
>
> Did you check with Icom America for the part?  I've been surprised 
> that they have had parts for my elderly Icoms.  Also snug down all the 
> circuit board mounting screws while you have the rig apart.  Loose PCB 
> screws will cause a 730 to do all manner of strange things, although 
> probably not make the RIT malfunction.
>
> Dave, N2EPV
>