HP ProLiant SL390s G7 2U Half-width Server Maintenance and Service Guide

Removal and replacement procedures 57
Power supply unit
Located on the rear panel of the server power supply is a standard ranging 750 W or 1200 W
power supply unit (PSU) with PFC (power factor correction) function.
Figure 40 Power supply unit
WARNING: Take note of the following reminders to reduce the risk of personal injury from electric
shock hazards and/or damage to the equipment.
•
Installation of power supply units should be referred to individuals who are qualified to service server
systems and are trained to deal with equipment capable of generating hazardous energy levels.
•
DO NOT open the power supply unit. There are no serviceable parts inside it.
To remove the PSU backplane:
1. Remove the top cover from the power supply cage.
2. Remove the PSU backplane.
3. Reinstall the top cover to the power supply cage.
Figure 41 Removing the PSU backplane