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

zhublOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

zhubl posted:
gunrunnerjohn posted:
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.
Thank you very much John! I’ll get a little more in-depth with it this weekend. One last question the bottom of my smoke PCB does look a little different and just want to be sure on the correct parts before I go replaceing stuff with the wrong element

Never mind I looked at it closer it is the same board that regulator is just in a different package

2/15/1810:52 PM

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