Remove the panels covering the key switch printed wiring board (PWB) centerplane cable.
Complete the steps in "Removing the Front and Side Panels".
Disconnect the key switch PWB centerplane cable from the centerplane. See Figure E-8.
Disconnect the key switch PWB centerplane cable from the LED board.
Pull forward on the two locking tabs securing the cable to the LED board.
The key switch PWB centerplane cable is in back of the key switch lock cable assembly. See Figure E-9.
Disconnect the cable.
Cut the cable tie and remove the key switch PWB centerplane cable.