Lenovo 7D8JA02GNA Maintenance Manual page 125

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About this task
Attention:
• Read
"Safety inspection checklist" on page iv
work safely.
• Turn off the server and peripheral devices, and disconnect the power cords and all external cables, see
"Power off the server" on page
• If the server is in a rack, remove it from the rack. See
• Remove any locking device that secures the server, such as a Kensington lock or a padlock.
• Place the server on its side with the cover up.
Watch the procedure
A video of this procedure is available at YouTube:
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Procedure
Step 1.
Make preparation for this task.
a.
Remove the server cover, see
Note: The heat sink and processor could be very hot. To avoid burning yourself, wait for a few
minutes after turning off the server before you remove the server cover.
Step 2.
Disconnect the mono amplifier cable from the system board.
and
9.
.
"Remove the server cover" on page
"Installation guidelines" on page 41
"Remove the server from the rails" on page
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
.
Chapter 3
Hardware replacement procedures
to ensure that you
138.
144.
117

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