4.8.12 Power Jumper Board; 4.8.13 Power Supply Unit - NEC EXPRESS5800/120Rd-1 Service Manual

4.8.12 Power Jumper Board

Removal
1) Remove the top cover according to the User's Guide.
2) Remove the FAN assembly while lifting the back of the FAN assembly according to the User's
Guide.
3) Disconnect the FPC cable.
4) Disconnect all the cables from the power jumper board to the connectors.
5) Loosen and remove the screw securing the Power Jumper board.
6) Remove the power jumper board while pulling it toward the front of the server.
Installation
Install the power jumper board in reverse order of the removal steps.

4.8.13 Power Supply Unit

Removal
1) Remove the top cover according to the User's Guide.
2) Disconnect the FAN connector.
3) Remove the FAN assembly while lifting the rear of the FAN assembly according to the User's
Guide.
4) Disconnect the FPC cable.
5) Disconnect all the cables from the power jumper board to the connectors.
6) Loosen and remove the screw securing the Power Jumper board.
7) Remove the power jumper board while pulling it toward the front of the server.
8) Remove the power supply unit while lifting the front of the chassis.
17 Service Guide
Screw
Screw