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  • Topic: "Keep alive" for Tsunami decoders

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    • October 27, 2018 2:24 AM EDT
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      "Keep alive" for Tsunami decoders

      Well, I have the Bachmann motor and sound decoder for the Thomas family.


      It looks very similar to the Tsunami LS decoder (and it is clearly made by Soundtraxx)



      It's in an Emily which has lousy power pickup, and on this decoder, if there is a temporary power interruption, the loco stops, and you have to throttle down to 0 to get it to run again, even when power is restored.


      Side by side pictures show where the Soundtraxx "current keeper" connects to the Tsunami, and it appears to be just after the 4 diodes that rectify track power, but I cannot be sure.


      Has anyone experience with the Tsunami itself? Also would like to know if the "current keeper" is a cap bank and a resistor, or also has the diode.


      Also, looks like I will have to use more caps, since I need to make this work on 24 volts.. but the LS one uses the same current keeper..




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