Reply to "Protosound by QSI (Proto-1) (PS1) board missing giant CAP"

GGGOGR Forum Member

Coupler firing circuit. Engines that did not have couplers like some of the trolleys and vehicle trains had that section of board cut off to fit. QSI had a separate add on board for couplers for their 3 stack. Made it 4 boards to have couplers and PS. G

2/21/207:36 AM

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