[R-390] Oldham Connector piece needed plus deaf band question

Flowertime01 at wmconnect.com Flowertime01 at wmconnect.com
Sat Sep 27 23:41:09 EDT 2008


Gary,

Sorry this one should be to Andy.

Andy,
> 
> Did you get some help with the Oldham coupler parts? 
> 
> 
> And my question for the group is this:  The receiver is slightly hard of 
> hearing on the bands between 7 - 16 mHz.  Crystal oscillator is strong as 
> measured at the diode load jack and other bands perform well.  I figure the 
> common genealogy between the 390 and 392 should share some common problems 
> and fixes as well.    
> 
> Is this a sign of an alignment issue in the RF deck or something else? 
> 
> Actually, two Octaves of the RF deck need some adjustment. 
> 
> One is the 4.0 to 7.999 it needs some peaking to get the top end back up to 
> par. 
> Second is the 8.00 to 15.999 it needs some adjustment to get that whole 
> octave back up to par. 
> 
> Time for the signal generator, power meter, or AC voltmeter and resistor on 
> the audio output. 
> 
> Roger AI4NI 
> 

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