Northstar 9000
Northstar 9000
have a problem.Northstar 9000.If the radio is keyed up and you turn back the RF gain you will loose power.If you remove tr17 it will fix this problem. The receive on AM is not very good either.On SSB it work fine.D15&D16 have been replaced.
Northstar 9000
found problem a transistor in keying circuit was shorted.