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NovaJet 500/630/700 Series Service Manual
5.Disconnect the Stepper Motor connection at the J1 location by grasping the Stepper Motor connector with thumb and forefinger and pulling straight out.
6.Disconnect the Servo Motor connection (red and blue wires) at the
J2 location by grasping the Servo Motor connector with thumb and forefinger and pulling straight out.
7.Disconnect the Leg Harness connection at the J3 location by grasping the Leg Harness connector with thumb and forefinger and pulling straight out.
8.Disconnect the Load Sensor connection at the J4 location by grasping the Load Sensor connector with thumb and forefinger and pulling straight out.
9.Disconnect the Vacuum Fan 1 connection at the J5 location by grasping the Vacuum Fan 1 connector with thumb and forefinger and pulling straight out.
10.Disconnect the Vacuum Fan 2 connection at the J6 location (60 inch model only) by grasping the Vacuum Fan 2 connector with thumb and forefinger and pulling straight out.
11.Disconnect the Trailing cable connection at the J7 location. Use the thumb and forefinger to pull up on the connector lock and remove the Trailing Cable from the connector.
12.Disconnect the Power Supply Cooling Fan connection at the J8 location by grasping the Power Supply Cooling Fan connector with the thumb and forefinger and pulling straight out.
13.With a #2 Phillips screwdriver, disconnect the ground straps going to the side plate and baseplate by removing the screw located near the parallel port on the MPCB.
14.Using care, remove the MPCB by unscrewing the remaining screws securing the MPCB to the bracket using a #2 Phillips screwdriver. See Figure