[R-390] (no subject)

Patrick Nelson aaptmf at onepost.net
Tue May 4 15:50:25 EDT 2010


Hello Roger,
Thank you for the response.  I had pulled the crystal oscillator sub-chassis because the 1st crystal oscillator wasn't oscillating (bad resistor).  While I had it taken apart I decided to look at the waveforms for all positions of the band switch and erroneously assumed this was the cause of the spurious signal I was hearing earlier.  I hear the duplicate on WWV, so I can eliminate the calibration oscillator for now.  This leaves the VFO or BFO.  The radio has lots of issues, so I have yet to delve into the VFO or IF sub-chassis, but doubtlessly they will need other work also when I get to them.
-Patrick

 

(Sorry if this is a duplicate message .... mailman.qth seems to be having SMTP issues)
 		 	   		  
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