21 pin adapter boards in Roundhouse (Athearn) new releases

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tootnkumin

Well-Known Member
Staff member
#1
Here is a pic of one of these boards that a questioner on a FB group posted up
1551081178151.png

An interesting thing to note is that it appears to be sound capable. At the top right of the board are wiring tabs marked S+ and S-. F7 and F8 tabs on the other side (rear ditch lights etc?). It is also, going by the rivet in the center, made to clip onto Athearn's open frame motor. Someone else said they were now in the latest RTR versions too.
 

Greg@mnrr

Section Hand
#6
At first glance, the CB on the mid-lower section resembled like several of the small NCE plug in decoders in my stock. Totally my mistake, the first mistake that I made this year!

I'll take the shell of one of my Atheran RTR and check it out and install a decoder while the loomotive is apart.

Greg
 
Last edited:

tootnkumin

Well-Known Member
Staff member
#7
At first glance, the CB on the mid-lower section resembled like several of the small NCE plug in decoders in my stock. Totally my mistake, the first mistake that I made this year!

I'll take the shell of one of my Atheran RTR and check it out and install a decoder while the loomotive is apart.

Greg
I would say that CB is like the small one you had to remove from the 9 pin tail on the previous DCC ready board, when installing a silent decoder. This time it's to fit a 21 pin in it's place. Intrigued by the output tabs for speaker and extra functions on the motherboard. The rivet on that motherboard indicates that the motor is still the usual RTR version.
 





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