Lenovo 3699, Руководство по техническому обслуживанию аппаратной части

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Figure 66. Installing the new internal speaker
10. Reconnect the internal speaker cable and the thermal sensor cable to the system board. See “Locating
parts on the system board” on page 100.
11. To reinstall the front bezel, align the three tabs on the front bezel with the corresponding holes in the
chassis and pivot the front bezel inwards until it snaps into position.
12. Go to “Completing the parts replacement” on page 123.
Replacing the front audio and USB assembly
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy
of the ThinkCentre Safety and Warranty Guide , go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the front audio and USB assembly.
To replace the front audio and USB assembly, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 98.
3. Pivot the optical drive bay assembly upward to gain access to the front audio and USB assembly.
4. Locate the front audio and USB assembly.
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ThinkCentre Hardware Maintenance Manual