[Johnson] Johnson 500 Meter Shunt

[Jim Brannigan]

Schematic to physical is a real chore with the Johnson radios.
I did a lot of "what the heck is it doing there?" with a Ranger.

Set your VOM or whatever to "bell or buzz" mode and trace out the circuit, 
it has to be there.....

Jim

>I am trying to physically locate the meter shunt resistor for the mod 
>cathode current, R169. I have spent an hour trying to find it and can not. 
>The schematic shows that it is located on the RF exciter deck. I have 
>followed the circuit from pin 7 on the plug on the back of the deck to the 
>meter switch and no resistor. Anyone no where it's located? My measurements 
>show that it is open...maybe because it doesn't exist....
>
> Thanks,
> Harry
> W0PIY