MLC Head Assembly – Head Transeiver PCB, Motor Driver PCB, Optical Receiver and Infrared Emitter PCBs, Secondary Feedback PCB, Power Distribution PCB, Motor Interconnect PCB, Head DC Power Supply Assembly

Millennium MLC – Understanding the System (Oncology Systems) 1) MLC Head Assembly Power Switch Head Transeiver PCB – Diagram of Head Transeiver PCB, Communicating with the MotComm PCB, Interfacing with the Optical Calibration System, Interfacing with the Service panel, Interpreting the LEDs 2) Motor Driver PCB – Diagram of Motor Driver PCB, Supplying Motor Power to all the Carriage Motors, Motor Driver Chip (Diagram), Leaf Motor Driver Circuits (Diagram), Current Limit according to Leaf Type, Carriage Motor Driver Circuit (Diagram), Braking a Motor Dynamically, Turning On and Off the Carriage Mechanical Brake, Monitoring the Status of “Switched Motor Power”, Nominal Voltage Required for MPSWOK, Switch Motor Power Monitor (Diagram) 3) Optical Receiver and InfraRed Emitter PCBs Initialisation, Leaf-at-Cal, Leaf-in-Field Output 4) Secondary Feedback PCB Test Point of the Secondary Feedback Board, Secondary Feedback PCB (Diagram), Leaf Secondary Feedback, Carriage Secondary Feedback 5) Power Distribution PCB Power Distribution PCB (Diagram), Voltage Supervisor, LEDs, Voltage Regulator, Fuses 6) Motor Interconnect PCB Motor Connectors, Jumper Settings, Flex Cable Connector, Insulator 7) Head DC Power Supply Assembly – Voltages in Head Power Supply