[1000mp] 1000MP Clarifier Problem

Jack Richardson [email protected]
Sat, 22 Feb 2003 22:43:52 -0500


I couldn't agree more, Pawel.  I wonder if the same unreliable control is
used in the later 1000MP's?

Jack/KV1E

----- Original Message -----
From: "Pawel SP7PS" <[email protected]>
To: <[email protected]>
Sent: Saturday, February 22, 2003 5:37 PM
Subject: Re: [1000mp] 1000MP Clarifier Problem


> Hi All,
> One of my friend resoldered the wires from RIT to XIT. Of course, his XIT
> worked right with no problems. After that he has properly working RIT in
XIT
> knob and no XIT at all. It is strange, that in so good radio you have to
> make that kind of "tricks".
>
> 73's
> Pawel, SP7PS
> http://sp7ps.pl
>
>
> ----- Original Message -----
> From: "Tom Horton" <[email protected]>
> To: <[email protected]>
> Sent: Saturday, February 22, 2003 11:25 PM
> Subject: Re: [1000mp] 1000MP Clarifier Problem
>
>
> > I think most everyone experiences this from one time to another.
> > I have tried several things short of replacing the control itself.
> >   At times if I just thump the control on the front of the knob, it
> > will work for long enough to do what I am doing right then. Super
> Technical
> > Fix, huh?
> >   Another thing I have heard is to put th eradio on it's back then
dribble
> > a GOOD control cleaner
> > on th einside of the shaft and let it run through to the control.
> > I have not tried this.
> >    But, I think th ebest temporary fix is just to turn slowly.
> > If you do replace th econtrol, please came back here and tell
> > us how it went.
> > 73, Tom K5IID
> >
> >
> >
> >
> > At 16:52 2/22/03 -0500, you wrote:
> > >At 03:25 PM 2/22/03 -0500, you wrote:
> > >>I have a problem with my RIT and XIT on the 1000MP and suspect the
> > >>clarifier may be faulty.  I'm wondering if anyone else has had this
> > >>problem and/or could offer some suggestions as to what the signal
looks
> > >>like coming out of the clarifier control in case I need to trouble
> shoot.
> > >>The problem is frequency jumps while turning the clarifier knob.  It
> > >>happens in both RIT and XIT and happens more frequently when tuning
down
> > >>frequency.  The rx frequency will suddenly jump positive by as much as
> > >>250Hz.  It happens less frequently if I turn the knob very slowly.
This
> > >>sounds like it could be an optical control used for the clarifier, but
I
> > >>don't know.  It does not appear to be heat-related.  Also, does anyone
> > >>know a replacement part for the clarifier?  I don't have the tech
> service
> > >>manual.
> > >
> > >This is a standard problem -- typically more in one direction than the
> > >other and speed sensitive.  It's a mechanical encoder of some sort,
> > >according to Yaesu.  Probably a bear to get at, but simple to fix once
> > >you're there.  Why not call Yaesu for the part?
> > >
> > >
> > >73, Pete N4ZR
> > >The World HF Contest Station Database was updated 1 Feb 03.
> > >Are you current? www.pvrc.org/wcsd/wcsdsearch.htm
> > >
> > >
> > >
> > >_______________________________________________
> > >List Moderator: Richard Lubash N1VXW
> > >1000mp mailing list
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> >
> > "E"  Sorter for the ARRL W5 QSL Bureau
> > Williamstown, WV
> >
> >
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>
>
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