Lenovo ThinkCentre M920z, Руководство пользователя и руководство по техническому обслуживанию аппаратного обеспечения

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Figure 97. Installing the internal speakers
12. Reinstall the removed parts. To complete the replacement, see “Completing the parts replacement” on
page 58.
Replacing the Wi-Fi antennas
Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide .
1. Remove the computer stand. See “Replacing the computer stand” on page 16.
2. Remove the computer cover. See “Removing the computer cover” on page 18.
3. Remove the side I/O bezel. See “Replacing the side I/O bezel” on page 24.
4. Remove the system board shield. See “Replacing the system board shield” on page 25.
5. Remove the VESA mount bracket. See “Replacing the VESA mount bracket” on page 26.
6. Remove the power cord connector. See “Replacing the power supply assembly” on page 27.
7. Remove the heat sink. See “Replacing the heat sink” on page 32.
8. Remove the system board. See “Replacing the system board” on page 48.
9. Remove the integrated camera and microphone module. See “Replacing the integrated camera and
microphone module” on page 49.
10. Remove the back frame. See “Replacing the back frame” on page 52.
11. Remove the internal speakers. See “Replacing the internal speakers” on page 55.
12. Record the routing of the Wi-Fi antenna cables, and then disconnect the cables from the Wi-Fi card. See
“Replacing the Wi-Fi card” on page 38.
13. Replace the Wi-Fi antennas.
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M920z User Guide and Hardware Maintenance Manual