[1000mp] 1000MP Clarifier Problem

Sun, 23 Feb 2003 11:13:59 +0100

Jack,
I do not know about control used in the later 1000MP's. His radio is from
1995 or 1996, I guess.

73's
Pawel, SP7PS
http://sp7ps.pl

----- Original Message -----
From: "Jack Richardson" <[email protected]>
To: <[email protected]>
Sent: Sunday, February 23, 2003 4:43 AM
Subject: Re: [1000mp] 1000MP Clarifier Problem

> 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
> > > >
> > > >
> > > >
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> > >
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