[Kenwood] TS-830S problem

[Steve Harrison]

At 11:33 AM 8/12/2006 EDT, you wrote:
>My TS-830S has an annoying background static popping noise. It is not  real 
>loud and sounds similar to a volume control that needs cleaned. I have used  
>de-oxit on all controls, tightened all screws on circuit boards, checked
all  
>connections. Non of the controls or switches have any effect on the noise
and  
>even when you transmit the noise can be heard from the speaker. Has anyone
had  
>this problem or any suggestions what to check? Also, can the tension on the 
>VFO  knob be tightened? I have checked the service manual and cannot find
any  
>information about this. Any help would be appreciated.

I rember seeing this same set of questions several weeks ago, along with at
least two answers/suggestions.

One was to check/tighten all the PC board mounting screws as the copper
sometimes corrodes where it sits on the steel radio mounting frame. Another
was that either a coupling capacitor in the receive audio chain is breaking
down, or a resistor has gone very noisy. Since there isn't much circuitry
in the audio chain that's still powered up during both receive and
transmit, this should be relatively easy to track down.

Steve, K0XP