05-26-2018, 05:58 PM
A slight clarification:
The 38-116 Code 125 RF unit has no connection at contact C10 of the multiple wafer band switch assembly, but the terminal is there. The 38-116 does not have a separate bass amplifier circuit, so there is no bass amp to short out in the four SW positions.
The 38-690 Code 125 RF unit has a wire connected from contact C10 to the bass control and one of the control grids of the 6N7G 2nd audio tube. This permits the bass amp to only operate in the AM position - the bass amp is shorted out in the four SW positions.
Otherwise both RF units are indeed identical in every aspect.
One more thing. For any of you who are inclined to follow the bouncing resistor symbol, I previously posted the entire package of 38-690 service info here.
The 38-116 Code 125 RF unit has no connection at contact C10 of the multiple wafer band switch assembly, but the terminal is there. The 38-116 does not have a separate bass amplifier circuit, so there is no bass amp to short out in the four SW positions.
The 38-690 Code 125 RF unit has a wire connected from contact C10 to the bass control and one of the control grids of the 6N7G 2nd audio tube. This permits the bass amp to only operate in the AM position - the bass amp is shorted out in the four SW positions.
Otherwise both RF units are indeed identical in every aspect.
One more thing. For any of you who are inclined to follow the bouncing resistor symbol, I previously posted the entire package of 38-690 service info here.
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Ron Ramirez
Ferdinand IN
