[R-390] Z-503

ROSS HOCHSTRASSER bavarianradio at comcast.net
Sun Feb 16 12:56:58 EST 2020


Thanks, Charles!! I'll keep you posted!!  73 Ross W1EKG
> On February 16, 2020 at 12:33 PM Charles Steinmetz <csteinmetz at yandex.com> wrote:
> 
> 
> Ross wrote:
> 
> > Hi Charles, The frustrating thing about the AGC problem is that  it seems OK when the radio is cold for a few minutes to a few hours then fails on strong stations. I used 2 cans of freeze spray  and couldn't isolate  the problem.  I am suspecting  that I may have an alignment issue.
> 
> OK, so you didn't say the problem was warmup-related.
> 
> What, in the symptoms you are seeing, suggests to you that it might be 
> an alignment issue??  Alignment does not change much as the radio warms 
> up (unless there is a temperature-sensitive component that mistunes 
> something -- but then it isn't really an *alignment* problem, in that 
> realigning the radio won't fix it -- it's a failed component problem).
> 
> > I must have missed your troubleshooting post   *  *  *  How do I find the post??
> 
> At the bottom of every list message are several links.  One is a link to 
> the R390 list home page.  If you follow that link, you will find (among 
> other things) a link to the list archives.  Go to the archive, open the 
> archive for the month when I posted it, and then find the date and you 
> will see the message.
> 
> Best regards,
> 
> Charles
> 
> 
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