[Boatanchors] backwards tuning

[Glen Zook]

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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