Bob, On second reading of your email - what happens when you select SSB mode, press PTT and talk into the microphone? You should have RF output, but only when talking.
If you have no output, check your microphone and the microphone configuration header. If the microphone requires bias, do you have the proper resistor in place? Do you have the configuration header wired correctly for the microphone pinout that you are using? Particularly the AF line. 73, Don W3FPR Robert Hoey wrote: > K2 SN 6059 no SSB transmit > Folks, I’m trying to get a newly built SSB board working on my K2. K2 works > on CW per Don’s set up and testing last year. I’m working through the SSB > alignment on the SSB manual. Stopped on page 19 at “Fine Carrier Balance > Adjustment” where it asks that I verify K2 is transmitting when PTT is > pushed. K2 is set for 5 watts power, SSB /LSB mode, SSBA is 3, SSBC is 2-1, > FL1 is selected. My wattmeter shows no output when I push PTT. Wattmeter > shows about 5 watts when I push “Tune.” Checking for component orientation, > proper component, cold solder joints, solder bridges, etc. all looked good. > Checking the DC voltage levels on the troubleshooting chart revealed some > discrepancies: > On receive: > U1-U5 all pins looked ok except : > U1-6 was 5.5 v., should be 5.1 v. U1-26 was .24 v., should be 0.0 > v. > On transmit: > U1-U5 all pins looked ok except : > U1-10 was 2.8 v., should be 3.1 v. U1-13 was 5.75 v., should be 5.9 v. > U1-14 was 5.6 V., should be 5.9 v. U1-16 was 3.0 v., should be 5.4 v. > U1-17 was 4.1 v., should be 5.6 v. U1-28 was 5.4 v., should be 2.4 v. > U2-8 was 3.0 v., should be 5.4 v. > All the diode voltages looked to be OK. > I am at a loss as to where to look next and what exactly to look for, and > would greatly appreciate any and all comments and inputs. Thank you for your > attention. > Bob Hoey KI4RSE > > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
