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631 Chair Power Toroid Test and Repair

Supply voltage (115 VAC) is supplied to the Power Toroid thru J9 on the Power Supply PC Board. The Power Toroid then supplies +25 VAC and -25 VAC thru the Red wires at J10 to power the Power Supply PC Board, with the Yellow wire used as the common. The Power Toroid supplies 115 VAC to power the chair receptacles thru the Blue and Brown wires with the Brown wire supplying the circuit breaker.

631 Chair Power Toroid

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