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Reply to "Swapping sound boards from one Legacy diesel to another?"

Only Lionel knows for sure what changed between Rev. 1 and Rev. 2 of the RS-Lite boards.  However, I can say with about 99.98% certainty that swapping them won't damage them.  You may not get the exact results you seek, but you can always swap them back.  I've swapped various versions of RS-Lite boards around without any issues.

The "sound chip" is actually a FLASH memory, the RS-Lite boards are factory programmed to the application, so all the boards from a specific run are identical hardware wise.  The only issue I see is the possibility the serial data commands for sound have been altered in the intervening two years, but I tend to doubt that.  They guy that could certainly say for sure what the risks are would be Jon Z. @SantaFeFan, he's the authority on these having been the designer of both ends.

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