[R-390] Some more R-390A questions

[Tom M.]

Have you checked the alignment of the cams in the RF deck?

I've never acquired one that was set up properly.  This will kill sensitivity
if set up wrong.

Tom
--- windy10605@juno.com wrote:
> More questions for the experts.
> 
> Since this unit has not been worked on by anyone, except me
> replacing the one bad electrolytic, missing jumpers, one bad 
> tube, lubricating the gear train and slug racks, etc, some 
> improvement has been seen .....but it's not nearly enough.
> 
> So far, the unit receives the Broadcast band but the other
> bands are very weak. Last night the GFI tripped ....the AC filter
> on the unit has a problem so it will be replaced. I assume that, 
> as with any 35 year old radio, all the tubular capacitors need
> to be replaced, maybe high value resistors checked, etc. What
> other things do I need to go through ? Or should I just replace 
> the "definitely bad parts". I seen several pieces of military/
> commercial (HP) gear with the sealed tubulars which were just 
> fine after 40 years but not so for the rectangular paper capacitors 
> in URM/25s or any other tubular capacitor which has a broken 
> seal around the leads.  
> 
> What a marvel of Mechanical Engineering expertise.
>   
> 73  Kees K5BCQ
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