Jim Since the problem is the same between two radios built some time apart, I have to ask, are you using the same meter? If so, try borrowing one from a friend and make the measurement. It is possible your meter is a bit off. At least, it's worth a simple test. Good luck and 73 Bob N6Wg
----- Original Message ----- From: "Jim Stoneback" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, October 08, 2007 11:53 AM Subject: [Elecraft] K2 AGC Threshold Adjustment > Hi, > > When I built my K2/100 the threshold adjustment didn't go right, I turn > trimmer R1 full CCW to get 3.74v on pin5 of U2 (full CW pin 5 goes to 2.6v). > This adjustment is supposed to swing U2 pin 5 fom from 4 to 8 v. I checked > diode polarity, resistor values, everything but never did find the problem. > > Now I'm building another K2 and have encountered exactly the same result. > Anybody got a clue? > > 73, > > Jim > Jim Stoneback > K4AXF > Drake SW8 > K2.ssb.100 sn 6194 > K2 sn 6263 (underway) > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
