User Manual

1336-5.39 – August, 1999
I-45
1. Disconnect the following from the Main Control Board:
– J1 connector
– J2 ribbon cable connector
– J8 connector
– 8-pin connector from the HIM Mounting Plate on the Main
Control Board
– Ground wires from terminal block TE
– Chassis ground wire at the top-right corner of the Main
Control Board Mounting Plate
2. Slide the LEM harness out of the clip located at the top-left of the
Main Control Board Mounting Plate.
3. Remove the two screws fastening the bottom of the Main Control
Board Mounting Plate to the standoffs.
4. Remove the nuts fastening the top of the Main Control Board
Mounting Plate to the Gate Driver Board Mounting Plate.
5. Lift the Main Control Board Mounting Plate out of the drive.
6. Continue with “Gate Driver Board and Precharge Board
Mounting Plates” on page I-50.