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Hello Everyone!

Back with another technical question regarding NO sound!

MTH Railking Proto 3.0 BCA Commodore Hudson
Model number: 30-1741-1
Loco has 12hrs, and about 40 miles on it.

Everything works but the sound.  (Lights, electro coupler, smoke, motor all good)

I tried so far: (all in DCS app)
-engine features reset
-factory reset via TIU twice
-Turned volume pot back/forth slowly multiple times
-Plug going to tender board fully seated
-Checked speaker wires, speaker ohmed out at 4.3ohms.
-Tried another 4ohm speaker just to make sure.

I'm guessing maybe the audio amp got whacked prior, or possibly no sound file installed??

This was a "New" loco purchase from York, the fiancé found and had to have lol. The sellers happy to work with us on the repair, I'd love to possibly repair the board/issue if possible.

Any thoughts or idea's I'd love to hear! Thank you for all the help this forum and group of guys offer!

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