[Kenwood] TS-940 Tuning Problem

[Clif Holland]

You need to align the optical encoder AKA main VFO.

Clif Holland KA5IPF
www.avvid.com




----- Original Message ----- 
From: "Dennis Younker NE6I" <ne6i at cox.net>
To: <kenwood at mailman.qth.net>
Sent: Thursday, September 05, 2013 5:25 PM
Subject: [Kenwood] TS-940 Tuning Problem


> Hello all,
>
> I have a TS-940S with a 9 mil serial number. This particular radio usually 
> sits to the side unused/unpowered as it is a back up radio. It was 
> previously working satisfactorily but today I noticed that the VFO tuning 
> is no longer working properly.
>
> Regardless of band or mode, the tuning is pretty much stuck on the same 
> frequency. Spinning the tuning knob changes frequency maybe a couple of 
> kHz at most.
>
> I opened the radio, tapped on the boards, wiggled some harnesses and 
> connectors but nothing helped. F.LOCK is not activated. Depressing that 
> definitely locks down the frequency. Depressing it again puts the radio 
> back in this sort of unstable tuning state where the frequency can barely 
> be changed.
>
> The radio seems to be receiving fine when I can get the VFO to a signal.
>
> Can someone point me toward some things to check please? Thanks very much.
>
> --Dennis NE6I
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