[1000mp] FT-1000MP problem (Maybe with bandpass filter relays?)

[Joel Richey]

I would very much suspect a sticking relay, and man there hard to change,
goodluck..

Joe W2DBO
----- Original Message -----
From: <KB9GKC at aol.com>
To: <1000mp at mailman.qth.net>
Sent: Tuesday, February 27, 2007 8:21 PM
Subject: [1000mp] FT-1000MP problem (Maybe with bandpass filter relays?)


> Hello 1000mp users,
>
> Here's the symptoms and settings:
> on  160, 80 and 40 meters
> SWR meter, both external and internal SWR meter  occasionally jumps to 3
or
> 4:1 on resonant antenna
> When this occurs I can  keep mike keyed and let the power output drop to
zero
> and then talk and SWR is  still shows high.   A Quick un key and re key of
> transceiver and the  SWR is normal.  At first I thought it was a problem
with
> either the tuner  or amp or dipole, all possibilities for problems in
these
> areas have been  systematically eliminated.  And the symptom of Hi SWR is
always
> cured by  unkeying and rekeying the transceiver.
>
> My thoughts are that the  problem lies in the bandpass filter network,
> possibly with a relay that is  utilized on the three bands.  I have not
yet looked
> at the schematic and  any input would be appreciated.
>
> 73 all,
> Douglas  KB9GKC
>
> <BR><BR><BR>**************************************<BR> AOL now offers free
> email to everyone.  Find out more about what's free from AOL at
> http://www.aol.com.
> ______________________________________________________________
> 1000mp mailing list
> Home: http://mailman.qth.net/mailman/listinfo/1000mp
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:1000mp at mailman.qth.net