Reply to "Lionel FEF-3 Smoke Unit (6-11131)"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

On the bottom of that smoke unit PCB there three components that comprise the smoke regulator circuit. They are a TO-92 5V regulator, a diode, and a 220uf filter cap. The regulator circuit is powered from track power through the smoke switch, see attached diagram. I'd be looking at those components first.

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2/15/189:36 AM

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