[Kenwood] TS-830S problem

[Peter Markavage]

With a scope, noisy caps or resistors are easy to find. And your right
Steve; we did provide feedback on this question several weeks ago.
Pete, wa2cwa
 

On Fri, 23 Dec 2005 16:19:29 +0000 Steve Harrison <k0xp at dandy.net>
writes:
> 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