[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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