Power Supply - HP xw4550 Service And Technical Reference Manual

3. Remove the four screws (2) securing the speaker to the chassis and lift the speaker out (3) of the
chassis.
Figure 4-13
To replace the speaker, reverse the previous steps.

Power supply

To remove the power supply:
1. Disconnect power from the system
access panel
TIP: This next step requires disconnecting several power cables. To speed up reinstalling the
power supply, it is helpful to write down the numbers on the cables so that you can easily reconnect
the cable to the correct devices.
2. Disconnect all cables from the system board, drives, or cards.
ENWW
Removing the speaker
(Predisassembly procedures on page
(Side access panel on page 62).
Steps for removing and replacing components
57) and remove the side
69