[R-390] R390A- no sigs-4 to 8mc.

Roy Morgan k1lky at earthlink.net
Tue Feb 3 21:38:39 EST 2009


On Feb 3, 2009, at 9:41 AM, <jmiller1706 at cfl.rr.com> <jmiller1706 at cfl.rr.com 
 > wrote:

> I once had one of the RF coil cans go bad in an RF deck..  Knocked  
> the whole band out.  Check continuity of all the coils for that band.

OR: loosen, wiggle and then tighten each of the RF coils.  (The  
mounting screw is down at the bottom of the slug hole, right?)  You  
have to remove the slug rack for that band.  A bit of De-Oxit on the  
contact pins is a good idea if  you are doing an all-out restoration.

>  Check the crystal for that band to be sure it is oscillating (look  
> at the osc output).

OR: slip a bit of wire down beside the crystal oscillator tube and  
hook it up to a bench receiver tuned to the expected frequency.
(I recommend an R-388 for a bench receiver.)

Roy

Roy Morgan
k1lky at earthlink.net
529 Cobb St.
Groton NY, 13073







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