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Figure 33. Removing the front audio and USB assembly
5. Install the new front audio and USB assembly into the chassis and secure it with the screw.
6. Connect the new front audio and USB assembly cables to the system board. See “Locating parts on the
system board” on page 76.
7. Route the cables for the new front audio and USB assembly in the chassis.
8. Reinstall the front bezel.
9. Go to “Completing the FRU replacement” on page 103.
Replacing the internal speaker
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 internal speaker.
To replace the internal speaker:
1. Remove the computer cover. See “Removing the computer cover” on page 73.
2. Locate the internal speaker connector on the system board. See “Locating parts on the system board”
on page 76.
3. Disconnect the internal speaker cable from the system board.
4. Push the metal tab on the top of the internal speaker outward and slide the internal speaker upward to
completely remove it from the chassis.
Chapter 8. Replacing FRUs (Machine Types: 3063, 3231, 3285, 4084, 4085, 4086, 4087, 6138, 6209, 6239, 6302, 7188, 7244,
7347, 7355, 7358, 7373, 7484, 7571, 7628, 7635, 7639, 8494, 8854, 9728, 9960, and 9965.) 101