Lenovo ThinkCentre M92z (English) User Guide - Page 68

Replacing the internal speakers

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What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the replacement, go to "Completing the parts replacement" on page 73. Replacing the internal speakers Attention: Do not open your computer or attempt any repair before reading and understanding "Important safety information" on page v. 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 cover. See "Removing the computer cover" on page 41. 4. Locate the internal speakers. See "Locating components" on page 13. 5. Note the location of the internal speaker cable connection. Note the routing of the internal speaker cables. Disconnect the internal speaker cables from the system board. 6. Remove the two screws that secure each internal speaker to the front bezel, and then remove the internal speakers from the computer. Figure 33. Removing the internal speakers 7. 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 align with those in the front bezel. 8. Reinstall the two screws to secure each of the internal speakers to the front bezel. 9. Reconnect the internal speaker cables to the system board. See "Locating parts on the system board" on page 16. 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 73. 56 ThinkCentre User Guide

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What to do next:
•
To work with another piece of hardware, go to the appropriate section.
•
To complete the replacement, go to “Completing the parts replacement” on page 73.
Replacing the internal speakers
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page v.
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 cover. See “Removing the computer cover” on page 41.
4. Locate the internal speakers. See “Locating components” on page 13.
5. Note the location of the internal speaker cable connection. Note the routing of the internal speaker
cables. Disconnect the internal speaker cables from the system board.
6. Remove the two screws that secure each internal speaker to the front bezel, and then remove the
internal speakers from the computer.
Figure 33. Removing the internal speakers
7. 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 align with those in the front bezel.
8. Reinstall the two screws to secure each of the internal speakers to the front bezel.
9. Reconnect the internal speaker cables to the system board. See “Locating parts on the system board”
on page 16.
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 73.
56
ThinkCentre User Guide