I hope someone can help me. I have been trying for some time to perform the alignment and test, Part 1 (Page 36-39) for the receiver.
The difficulty seems to be U1 and U2. I have determined the voltages with and without T1 and T2 installed, they are as follows: With T1 and T2 installed the voltages are: U1 U2 Pin 1 0.55 0 Pin 2 0.55 0 Pin 3 0 0 Pin 4 6.08 6.08 Pin 5 6.08 6.08 Pin 6 6.03 6.03 Pin 7 5.38 5.38 Pin 8 6.08 6.08 With T1 and T2 Removed the voltages are U1 U2 Pin 1 0.55 0 Pin 2 0.55 0 Pin 3 0 0 Pin 4 6.08 6.08 Pin 5 6.08 6.08 Pin 6 6.03 6.03 Pin 7 5.38 5.38 Pin 8 6.08 6.08 I have checked the toriods 3 times. Verified the PCB traces. Also, when I touch pin 4 of U2 I received a very strong AM station in the area. Thanks for any assistance. George Kimbriel K5GNI K2 3448 _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net 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