[Hallicrafters] S-120 Tuning Questions

[Philip Atchley]

Joe,

A wild guess on my part, but are you aligning it with the bandspread set 
to 100 (plates open)?  If not, that could be the root of your problem.

73 de Phil,  KO6BB
>
> Ed.  Actually running out of both.  Trimmer screw is backed all  the 
> way out,
> and the coil reaches a point where it starts to stick, and I don't 
> want to
> force it.  When I worked for a Motorola 2-way shop MANY years ago,  I 
> used a
> white powder that had a silicon feel to it.  This stuff freed up  the 
> stubborn
> ones.
>
> What has me concerned is that ALL of the bands are off, which would 
> point  to
> a common frequency determining component or voltage.  That limits it 
> to  the
> main tuning cap, the band-spread cap or possibly the 82 pf N 750 cap 
> running
> up to the mixer.  Haven't looked real close at the voltage,  yet. 
> Heck, maybe
> the tube is a little flaky?
>
> I'll get it back on the bench this week...
>
> Joe
> ______________________________________________________________