Do you hear the sidetone or just the pops and clicks?
If you don't hear the sidetone, those pops are the sidetone. If that's the
case, a capacitor on the board that holds the af/rf pots needs pulled.
Mike
Sent from my iPhone
On Jun 13, 2011, at 4:34 PM, Paul <hglent@frii.com> wrote:
> I just got the old C21 out of the box and fired it up. The rig has not
> been on the air in more than 10 years. I worked through all the
> micro-phonics and dirty contact problems. Receive and transmit are now
> clean and close to the original specs.
>
> This question has probably been talked about previously on this group.
> So a little direction to its solution is appreciated.
>
> When keying I hear a loud crack or thump sound from the speaker. Any
> suggestions or direction to previous info will be appreciated.
>
> Paul K.
> WA0BAG
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