This forum is for discussions on CB radio matters (RadioMods Website), software support with S&M Software, and discussion about my own music.
You can test the VCO, by checking the voltage at the junction of R107 and R108 the voltage should go up has you go from channel 1 to 40
if it not check the voltage at the Base of Q100 the voltage should go up has you go from channel 1 to 40.
Also check for volts at each side of R102 it should be about 8 volts, I have had R102 go open circuit.
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