[R-390] RF Deck

[chuck.rippel at cox.net]

Remember, the slugs used in the tracking IF are DIFFERENT that those 
used in the RF section !  I had one that was deaf and it took a couple 
hours to figure that one out.

Wearing grooves into stainless steel by brass is a pretty good 
trick......


Chuck Rippel



> BTW I am just about to start rebuilding my RF deck and it's in a 
> pretty sorry state...the grease has gone hard causing most of the 
> roller bearings to freeze and consequentially grooves have been worn 
> into them. In the back of my mind I'm a little concerned this may have 
> mis-shapen the cams as I have no idea how long it's been like this. 
> Also I am in need of the three slugs for the 2.0 to 4.0 MC 
> transformers (Z203, Z203 & T203).
> Also, I already know there is a problem in the Xtal oscillator 
> deck...voltage at E-402 is only -1.8v as opposed to the -4 to -11 as 
> stated in the Y2K-R2 manual.
>
> The radio is in working condition but performance is very poor, so far 
> I've rebuilt the Audio and the IF decks. Next is the RF deck (and to 
> find that problem in the Xtal Osc deck) and I will be starting this in 
> a couple of weeks as soon as time allows. So you'll probably see me 
> put a call out for a small number of parts here and there if that is 
> OK.
>
> Kind regards,
> Ken