[Antennas] Versa Tuner 2

Thu, 21 Feb 2002 10:57:34 -0500

Ran into this myself once.

I had an MFJ945 "mobile" tuner.  It started acting "flakey" on a few bands,
so I opened it up to check it out.  I was shocked to discover that about
half the taps on the coil had NO solder at all!  I went through it and
resoldered all of the connections, and soldered the ones without solder, and
it worked great after that.

No complaints about the design, it was affordable and seemed to work well.
But if I ever buy another MFJ tuner, you can bet the first thing I will do
is inspect the solder joints!

73
Dan

Dan Evans N9RLA
Scottsburg, IN 47170
{EM78}
IN-Ham list administrator
QRP-l #1269
1/2 of the N9RLA /R no budget Rover Team
Check out the Rover Resource Page at:
http://www.qsl.net/n9rla

----- Original Message -----
From: "Darryl J. Kelly" <[email protected]>
To: "edyeary" <[email protected]>; <[email protected]>
Sent: Thursday, February 21, 2002 7:12 AM
Subject: Re: [Antennas] Versa Tuner 2

> Ed,
> First thing to check is internal mechanical problems. On several of my MFJ
> tuners, (I have owned eight), I have gone through and resoldered the
> connections that I could get to and that solved most of my problems. Hope
> this is of interest.
> Darryl, KK5IB
>
> ----- Original Message -----
> From: "edyeary" <[email protected]>
> To: <[email protected]>
> Sent: Wednesday, February 20, 2002 11:37 PM
> Subject: [Antennas] Versa Tuner 2
>
>
> > I have never posted to this list and I hope this isn't off topic. I have
> an MFJ-969 versa tuner 2. I am using a B&W folded dipole and an 80 meter
> dipole cut to frequency. The tuner had been working great up until
recently.
> All of a sudden it won't tune 15 meters into it's internal dummy load. I
can
> get the antennas tuned but no where near the recommended manufacturer
> settings on the antenna and transmitter controls. It tunes all other bands
> fine. I am using 70 feet of Flexi-4 for a feed line and about a 3 foot
> jumper from the tuner to the radio. [ Icom 706 mkII-G] I have checked the
> grounds and the swr on the antennas on by-pass and everything is fine. The
> B&W is 1.5 to 1 or less on all bands except 160 meters where it is 2 to 1.
> The 80 meter dipole is fine also with a 1.5 to 1 on most of the band. I
> simply can't understand why the thing won't tune into the dummy load less
> than about 2.5 to 1 or 2 to 1 on 15 meters. It is flat into the dummy load
> on the other bands. Am I being anal retentive or does it sound like
> something is wrong with the dummy load?
> >
> > Thanks in advance.
> > Terry Ed Yeary W4TEY
> > 325 Cumberland Drive
> > Harrogate, TN. 37752
> > 423-869-8197
> >
> >
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