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5–24 Maintenance and Service Guide
Removal and Replacement Procedures
8. Release the zero insertion force (ZIF) connector 1 to which
the LED board cable is connected and disconnect the cable 2
from the LED board.
9. If it is necessary to replace the num lock board, disconnect
the num lock board cable 3 from the LED board.
10. Remove the Phillips PM2.0×3.0 screw 4 that secures the
num lock board to the switch cover and remove the num lock
board 5.
11. Remove the switch cover.
Removing the Num Lock Board
Reverse the above procedure to install the switch cover and num
lock board.