[1000mp] Audio problem

Mon, 1 Mar 2004 06:46:08 -0500

It affects other models as well - I had similar symptoms with my 990 a few
years back. A trip to Yaesu and they couldn't reproduce the problem, but
they did an alignment and it hasn't happened since.

-Brian n8wrl

----- Original Message ----- 
From: "Garry Shapiro" <[email protected]>
To: <[email protected]>
Sent: Monday, March 01, 2004 1:12 AM
Subject: RE: [1000mp] Audio problem

> This problem is well known to many MP owners, including me. It is also one
> of those problems that Yaesu pretends not to know about.
>
> It is of course possible that something in your system outside the MP is
the
> culprit, e.g. a dirty contact on an antenna relay. It should be possible
to
> eliminate those possibilities. The most likely culprit is a DIP relay in
the
> front end of the MP.
>
> I sent my MP back to Yaesu in mid-1999, still on warranty, after the
problem
> surfaced during the 3B9R DXpedition. Despite detailed instructions to the
> tech, both in writing and by phone, he claimed he could not reproduce the
> problem. Nonetheless, he did replace a handful of components, including a
> relay. The components were returned to me--with no reference designators,
so
> it was impossible to determine what had been replaced. The problem
> reappeared 3 or 4 years later, and still occurs intermittently.
>
> Garry, NI6T
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Karl, KB1DSB
> Sent: Sunday, February 29, 2004 7:23 AM
> To: 1000mp List
> Subject: [1000mp] Audio problem
>
>
> May have missed this topic on the reflector.
>
> Over the last few days, my audio seems to be going "south" intermittently.
> Some times, will be just fine.  Then during a QSO it will just die out to
> near nothing.  Have the AGC set to auto.  And, have the menu 1-7 set to
> "off".  No near signals to over power.
> Using phones and no external speaker. Also, notice that when I jostle the
> phone jack just a little it does seems to come back, but just
> instantaneously then fades again. Hitting the key with a "dit" brings it
> back.  My FT-847 did the same thing and hitting the key brought that one
> back, too. Wondering if others have the same problem or I need to be
looking
> at that board when I do the "click" mod and filter additions.
>
> You can respond to me personally or share with the list.
>
> 73 de Karl
> [email protected]
>
>
> --- StripMime Report -- processed MIME parts ---
> multipart/alternative
>   text/plain (text body -- kept)
>   text/html
> The reason this message is shown is because the post was in HTML
> or had an attachment.  Attachments are not allowed.  To learn how
> to post in Plain-Text go to: http://www.expita.com/nomime.html  ---
> _______________________________________________
> List Moderator: Richard Lubash N1VXW
> 1000mp mailing list
> [email protected]
> To Change Options or Unsubscribe:
> http://mailman.qth.net/mailman/listinfo/1000mp
>
> _______________________________________________
> List Moderator: Richard Lubash N1VXW
> 1000mp mailing list
> [email protected]
> To Change Options or Unsubscribe:
> http://mailman.qth.net/mailman/listinfo/1000mp
>