how do i check rail sound power supply card 691-pcb1-04d train dead (does nothing) got power coming in from track what pins are output and input ... 691-rspr-a00 is the replacement card from lionel ...another question is if this card is bad will train do any thing this is a tmcc train
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Have you tried pulling and then re-seating the amplifier card + the sound card from the motherboard first? Older TMCC board have a tendency to have oxidation form on the pin connections over time which causes Railsounds issues. I've done many re-seats and fixed my "problems" over the years.
The pinouts for the RailSounds 4 power board can be found in this thread:
https://ogrforum.ogaugerr.com/topic/r2lc-question-1
It looks like this is the third thread you've started about this problem, and after reading the others, I see this is a K-Line locomotive with TMCC.
A bad RS power board will prevent your sounds from working, but everything else -- movement, smoke, lights, etc. should be fine.
If nothing on your locomotive is working, then two possible answers come to mind. 1) Power is not getting to the motherboard, which in turns delivers power to the other boards in the system. 2) All the boards in the loco are bad.
I'd verify that you have power on the motherboard and each of the three boards connected to it.
TRW
thanks,, short on time right now got power to motherboard ,got the pin outs of boards going to make sure got voltage where it should be and go from there
ordered a 691 rspr-aoo again thanks
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