Lenovo ThinkCentre E93z, Руководство по техническому обслуживанию аппаратной части

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This section provides instructions on how to replace the internal speakers.
To replace the internal speakers, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and
gently lay it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 80.
4. Locate the internal speakers in the computer. See “Locating major FRUs and CRUs” on page 70.
5. Remove the rear I/O assembly. See “Replacing the rear I/O assembly” on page 90.
6. Note the internal speaker cable connection and cable routing. Disconnect the internal speaker cable
from the system board.
7. Remove the two screws that secure each internal speaker to the front bezel, and then remove the
internal speakers from the computer.
Figure 52. Removing the internal speakers
Chapter 9
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Replacing FRUs
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