Replacing The Internal Speakers - Lenovo ThinkCentre M73z Hardware Maintenance Manual

What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 118.

Replacing the internal speakers

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
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 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 stand. See "Removing and installing the computer stand" on page 73.
4. Remove the computer cover. See "Removing the computer cover" on page 76.
5. Remove the system board shield. See "Removing and installing the system board shield" on page 88.
6. Remove the rear I/O assembly. See "Replacing the rear I/O assembly" on page 89.
7. Note the routing of the internal-speaker cables, and then disconnect the internal-speaker cables from
the system board.
8. Lift the internal speakers to remove them from the chassis.
Figure 29. Removing the internal speakers
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ThinkCentre M73z Hardware Maintenance Manual