Tim,
First off is the answer to Reed's question.? That will tell us if the SSB filter and the rest of the rig is aligned, as it is common for both transmit and receive.?
Another test would be to verify that the electret element is getting the bias voltage to work.? You should have somewhere between 7 and 12 volts on the positive side of the mic element (usually the tip of the 3.5 mm Mic and PPT plug).
Last that I can think of would be to verify that you are getting audio at TP20 when transmitting and speaking a loud HEEELOOOOOOOW or whistle into the mic.
So first verify that the rig BFO is aligned with the SSB filter when receiving.? Then check that the electret element is getting a bias voltage.? The last would be to verify that the mic preamp is working on TP20.
Let us know the results.
73
Evan
AC9TU
