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Reply to "Lionel 28074 TMCC RS Issues"

In that case, also pull the two RS PCB off the mother board, remove the chips from the RS board and reseat (Use PLCC Puller or John will yell at you:-))  Reseat everything and try again.  IF still intermittent go after the IR sensor, and swap RS boards one at a time.

TRW test with and using another IR RS tender also is a good method of trouble shooting.  If you NKP tender works with another Engine, then the NKP engine side is the issue... etc,,,,   G

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