[TenTec] Corsair I refurb project

Bill Acito w1pa at hotmail.com
Sat Oct 24 10:27:19 EDT 2015


Must be Corsair week.  :-)

I have  a new-to-me Corsair I -- my winter refurb project. Good receive (mostly), good condition,  two primary issues:

1.
 No RX 160 and 80: freq counter bounces around on  0.180 to 0.190 Mhz on
 these bands. I assume I should be looking at the wafer switches and 
oscillators? All other bands are fine on RX.

2. No power out on 
TX -- zero.  Scope says I have good output from the low-level driver. Do
 the finals fail open? Do they both go together? Any easy way to check 
if it's the drivers or the actual finals in the PA module?  I also read 
that there was a common T/R diode fail that impacted ALC? What were the 
symptoms of this fail?

Bill W1PA 		 	   		  


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