Technical data

5-72 FRU Removal and Replacement
5.5.31 LED Board Removal and Replacement (Model 400s)
Refer to Figure 5-49 and follow these steps to remove the LED board. Reverse these
steps to replace the LED board.
1. Remove the top and side covers.
2. Insert a flat-tipped screwdriver behind the LED ribbon cable protector. Pry its
dips from the chassis. Remove the ribbon cable shield.
3. Remove the two screws that hold the LED board and its RFI cover to the chassis.
Remove the LED board and its RFI cover.
4. Disconnect the LED ribbon cable from the LED board.