Node Power Distribution Board - Dell PowerEdge C8220 Hardware Owner's Manual

Node Power Distribution Board

Removing the Node Power Distribution Board
CAUTION:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized is not covered by
warranty. Read and follow the safety instructions that came with the product.
1 Remove the sled from the enclosure. See "Removing a Sled" on page 143.
2 Remove the back cover. See "Removing the Back Cover" on page 150.
3 Remove the internal hard-drives. See "Removing a Hard-Drive Carrier" on
page 188.
4 Remove the hard-drive tray. See "Removing the Hard-Drive Tray" on
page 191.
5 Remove the interposer extender. See "Removing the Interposer Extender"
on page 192.
6 Disconnect all cables from the node power distribution board (NPDB).
See Figure 3-39. When you disconnect the power cable, press down the
cable-locking tab and disconnect the power cable from the NPDB.
Note the routing of the cables on the sled as you remove them from the
sled tray. You must route these cables properly when you replace them to
prevent the cables from being pinched or crimped.
7 Remove the four screws securing the NPDB to the sled tray.
See Figure 3-39.
8 Lift the NPDB out of the sled tray. See Figure 3-39.
Installing System Components
197