HP ET115AV HP xw4400 Workstation - Service and Technical Reference Guide - Page 78

Power supply,

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3. Remove the four screws (2) securing the speaker to the chassis and lift the speaker out (3) of the chassis. Figure 4-14 Removing the speaker To replace the speaker, reverse the previous steps. Power supply To remove the power supply: 1. Disconnect power from the system (Predisassembly procedures on page 57) and remove the side access panel (Side access panel on page 62). 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. 68 Chapter 4 Removal and replacement procedures ENWW

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3.
Remove the four screws
(2)
securing the speaker to the chassis and lift the speaker out
(3)
of the
chassis.
Figure 4-14
Removing the speaker
To replace the speaker, reverse the previous steps.
Power supply
To remove the power supply:
1.
Disconnect power from the system (
Predisassembly procedures
on page
57
) and remove the side
access panel (
Side access panel
on page
62
).
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.
68
Chapter 4
Removal and replacement procedures
ENWW