• Dissasembly and Part Identification

    xBeau • 11/08/2018 at 10:12 • 0 comments

    This unit is from part of a larger mixer console. These are known as Harrison Series Twelve and there is more information about them available here http://seriestwelve.org/

    There is one primary board that attaches to the panel cover, it has four fingers that fit around the motorized faders. The PCB and components date to 1990's. The four faders are each separate units with a Escap DC motor with 2 motor leads, 3 potentiometer wires and 1 ground wire.


    The PCB is populate with LED matrix modules, switches and discrete LED's. There are no current limiting resistors. There are discrete diodes paired with the tact switches.