Does the Williams reverse unit also have a rectifier on it's board, that changes the A/C to D/C, for the can motor? If not, where does the A/C to D/C change take place? Somewhere between the pickups and the can motor this has to take place.
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Yes, the Williams reverse unit converts the voltage to DC for the motor. No additional bridge is required.
Thanks John, and for the response to the other post...much appreciated.
As with the Lionel boards too, the first components encountered by AC current on the Williams boards are either a matrix of four diodes arranged as a full wave bridge, or a full wave rectifier. The entire circuit, and the motor(s), runs on DC.
Which is why, exclusive of issues with sound systems, they all run equally well on AC or DC transformers/power packs.
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