Lenovo 70A0, Руководство по обслуживанию

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• To complete the replacement, go to “Completing the parts replacement” on page 82.
Replacing the front audio and USB assembly
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 35.
This topic provides instructions on how to replace the front audio and USB assembly.
To replace the front audio and USB assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Removing the server cover” on page 37.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38.
4. Disconnect the front audio and USB assembly cable from the system board. See “Locations” on
page 11.
5. Note the front audio and USB assembly cable routing and remove the screw that secures the front audio
and USB assembly. Then, remove the front audio and USB assembly from the chassis.
Figure 54. Removing the front audio and USB assembly
6. Route the new front audio and USB assembly through the hole in the chassis.
7. Position the new front audio and USB assembly to the chassis so that the screw hole in the new front
audio and USB assembly is aligned with the corresponding hole in the chassis.
8. Install the screw to secure the new front audio and USB assembly in place.
9. Connect the new front audio and USB assembly cables to the system board. See “Locations” on
page 11.
10. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 38.
Chapter 6
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Installing, removing, or replacing hardware
71