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Your locomotive does not have RailSounds from the factory. It has SignalSounds -- there's a difference. With SignalSounds, the only sounds you'll have are bell and whistle as activated from your transformer.

 

The motherboards in those early locomotives rarely fail. Is there a burned trace on it to indicate a problem? If not, the motherboard is not likely the cause of whatever system you have not working.

 

Have you checked-out the sound board itself, speaker, volume control pot, and the tether from the locomotive? Those are more likely to be the point of failure.

 

I hope this helps.

TRW

Thanks for the update concerning the RailSounds and SignalSounds. When the locomotive is running choo choo sound sounds for a while then the whistle gives a short burst and then the bell starts ringing.  If I turn turn the volume all the off it naturally runs okay.  Is there some sort of short somewhere.  As you can tell I am not familiar with electronics in these newer locomotives.

Originally Posted by AFL O&S Gauger:

Thanks for the update concerning the RailSounds and SignalSounds. When the locomotive is running choo choo sound sounds for a while then the whistle gives a short burst and then the bell starts ringing.  If I turn turn the volume all the off it naturally runs okay.  Is there some sort of short somewhere.  As you can tell I am not familiar with electronics in these newer locomotives.

 

If you're getting a "choo choo" sound, then your locomotive has been modified. SignalSounds has whistle and bell only -- no background sounds. It would help if you could remove the tender shell and take a photo of what's in there.

 

Originally Posted by gunrunnerjohn:

Your symptoms suggest a problem with the actual sound board.

 

My first step is to reseat the boards and check all the connections.  If that doesn't help, I reseat the two PLCC chips in the sockets on the RS board.  Don't try to do that job with anything but a PLCC extractor.

 

A SignalSounds board doesn't have any PLCC chips, although they do have a standard IC that can be removed. I'd still suggest we wait for photos to see what's really inside the tender.

 

TRW

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