Lenovo ThinkCentre E93z Hardware Maintenance Manual page 113

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 79.
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 89.
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
8. Route the new internal speaker cables, and then position the new internal speakers on the front bezel so
that the two screw holes in each internal speaker are aligned with those in the front bezel. Install the two
screws to secure each of the new internal speakers to the front bezel.
Figure 53. Installing the internal speakers
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Chapter 9 Replacing FRUs
109