[Kenwood] auto tuner trouble on 850

Thu, 25 Mar 2004 14:56:30 -0500

At this time I have three Kenwood radios two TS-850S and a TM-721, if I ever
buy another Kenwood it will be because of Clif.
WA1WLA
Constantine

----- Original Message ----- 
From: "Clif Holland" <[email protected]>
To: "WW3S" <[email protected]>; <[email protected]>
Sent: Thursday, March 25, 2004 1:48 PM
Subject: Re: [Kenwood] auto tuner trouble on 850

> The problem is most likely the relay. If the coil was bad it wouldn't tune
> on 160 or 80. Move the relay to another spot and see if the problem
moves...
> Or look closely at it, usually the plastic cover will melt a little
> indicating stuck contacts.
>
> Clif Holland, KA5IPF
> AVVid
> Authorized Kenwood and Icom Service Center
> 816 W Shady Grove Rd
> Irving, TX 75060
>
> www.avvid.com
>
> 1-800-214-5779
> 972-870-0630 (Local)
> ----- Original Message ----- 
> From: "WW3S" <[email protected]>
> To: <[email protected]>
> Sent: Thursday, March 25, 2004 11:30 AM
> Subject: [Kenwood] auto tuner trouble on 850
>
>
> > I took the tuner apart today to see why I was having trouble on 40m. To
> > recap: the tuner works fine with any of my antennas on any band except
> 40m.
> > On 40m, no matter what antenna or even a dummy load, it seeks to find a
> > match and finds it when you press the tune button. Trouble is,, when you
> go
> > to transmuit, it must see a mismatch because it trys to tune again. It
> never
> > "latches" the tune.  I took the tuner apart and looks like L110 got very
> > hot....the core is black and most of the enamel seems burnt off the
wire.
> > I'm assuming this is the trouble? Everything else looks ok. Is it
possible
> > to damage a core by heat? Anyone know the core material? It doesn't
appear
> > that it would be difficult to wind my own...or could I just disable the
> > relay that switches that coil in and out?
> >
> >
> > - - -
> >
> > Your moderator for this list is:
> > Larry Wilson KE1HZ [email protected]
> >
> > _______________________________________________
> > Kenwood mailing list
> > [email protected]
> > http://mailman.qth.net/mailman/listinfo/kenwood
> >
> >
>
>
> - - -
>
> Your moderator for this list is:
> Larry Wilson KE1HZ [email protected]
>
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