Reply to "MTH PS 1 Smoke Unit Question"

harmonyardsOGR Forum Member

Ralph, R3 & R4 appear to be the resistor ports. You’d have to disassemble to confirm. You can get 27 ohm resistors for smoke from Lionel, or the various parts vendors…..just don’t go lower then 20 IMO, ……you’ll need to cut the traces to the rest of that board to isolate the resistor from the rest of that board……I’m guessing it does more than just the smoke unit??…

Pat

12/19/224:38 PM

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