[R-1051] diagnosing dead bands

paul swed paulswedb at gmail.com
Thu Mar 27 15:14:57 EDT 2014


No matter what all of the mechanics are tricky.
They also short out the motor when its not running by a relay.
Makes it really hard to turn.
The fact that you have bands above dead also does seem to point to that
region


On Thu, Mar 27, 2014 at 3:04 PM, Mark Richards
<mark.richards at massmicro.com>wrote:

> Paul,
>
> Thanks for confirming.
>
>
> I dug into the archives, reading subject lines.  And honed in on this one:
>
>     mailman.qth.net/pipermail/r-1051/2006-June/000571.html
>
> "The problem is you have a stalled motor in the Mhz synthesizer module of
> the six pack. There are two motorized things in the radio...one the turret
> in the RF deck...easy enough to check...you can watch it go round and
> round. The other is not so easy...it's a motor driven crystal oscillator
> switch. If the motor stops you will only get one band to function. "
>
> In my case, 9MHZ and above is also dead.  So I pulled the module out and
> am now puzzling how to extract the motor.  Looks to be tricky.
>
> Hopefully not dissembled in vain :)
>
> /k1mgy
>
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