Looking Inside a Dirty ICOM 706

Few days ago my ICOM 706 was getting bad reports on audio. I quickly checked all connections and double checked them again just to make sure. I changed out microphones and checked settings on RF power and microphone levels and still was get no good reports back. RF power is getting out to the meter. SWR is good. Changed coax cables. Checked all coax connections twice. Power supply is stable voltage. Changed microphones. Checked microphone Read More …