HP DL120 ProLiant DL120 Generation 5 Server Maintenance and Service Guide - Page 70

To replace the power supply unit, Unlatch the drive power cables from the front chassis cable tie

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Page 70 highlights

To replace the power supply unit: 1. Perform the pre-installation procedure. 2. Disconnect the system power cables. a. Disconnect all power cables connected to the system drives (1). b. Unlatch the drive power cables from the front chassis cable tie, and then pull them through the center wall (2). c. Disconnect the system board's (PWR_CN) and processor's (CN4) ATX power cables from their system board connectors (3). d. Unlatch the ATX power cables from their chassis cable tie (4). Removal and replacement procedures 70

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Removal and replacement procedures
70
To replace the power supply unit:
1.
Perform the pre-installation procedure.
2.
Disconnect the system power cables.
a.
Disconnect all power cables connected to the system drives (
1
).
b.
Unlatch the drive power cables from the front chassis cable tie, and then pull them through
the center wall (
2
).
c.
Disconnect the system board’s (PWR_CN) and processor’s (CN4) ATX power cables from
their system board connectors (
3
).
d.
Unlatch the ATX power cables from their chassis cable tie (
4
).