[Boatanchors] backwards tuning

Lloyd KK7IZ kk7iz at cox.net
Fri Mar 7 12:24:44 EST 2008


On some radios, the knob turns oposite the dial travel. Try reversing the 
direction of winding string on small shaft.
Thanx
Lloyd  KK7IZ
kk7iz at cox.net


----- Original Message ----- 
From: "John Franke" <jmfranke at cox.net>
To: "Glen Zook" <gzook at yahoo.com>; "Gerry Steffens" <gsteffens at pitel.net>; 
<boatanchors at mailman.qth.net>
Cc: "Randy Anderton" <RAnderton at RPU.ORG>
Sent: Friday, March 07, 2008 10:02 AM
Subject: Re: [Boatanchors] backwards tuning


> How is that? Tuning the oscillator higher will still make the receiver 
> listen to a higher frequency.
>
> John  WA4WDL
>
> ----- Original Message ----- 
> From: "Glen Zook" <gzook at yahoo.com>
> To: "Gerry Steffens" <gsteffens at pitel.net>; <boatanchors at mailman.qth.net>
> Cc: "Randy Anderton" <RAnderton at RPU.ORG>
> Sent: Friday, March 07, 2008 11:38 AM
> Subject: Re: [Boatanchors] backwards tuning
>
>
> Having the oscillator on the "wrong" side will
> DEFINITELY cause reverse tuning!
>
> Glen, K9STH
>
>
> --- Gerry Steffens <gsteffens at pitel.net> wrote:
>
> A Motorola radio (AM & SW) belonging to a friend has
> come my way for repair - fix "Grandpa's radio".
>
> It has sensitivity and a couple of other problems but
> this one documented below is new to me.
>
> As best as can be determined the dial appears strung
> correctly (no data in Riders on dial stringing) but it
> tunes backwards.
>
> The dial pointer moves in what appears to be the
> proper direction - the same direction as the knob is
> turned but the local stations at 1270, 1340 and 1520
> are received in reverse order.  Needless to say the
> dial is way off for all.
>
> Have I had a mental lapse?  At the moment I can think
> of no electrical problem that would cause reverse
> tuning.  Having the oscillator on the wrong side of
> the received station can cause the dial to be way off
> but not reversed.
>
>
>
>
>
>
>
>
>
> Glen, K9STH
>
> Website:  http://k9sth.com
>
>
> 
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