Personal Computer Hardware Maintenance Manual
Table Of Contents
- Contents
- Chapter 1. About this manual
- Chapter 2. Safety information
- Chapter 3. General information
- Chapter 4. General checkout
- Chapter 5. Diagnostics
- Chapter 6. Using the Setup Utility
- Chapter 7. Symptom-to-FRU index
- Chapter 8. Replacing FRUs
- Locations
- Opening the computer cover
- Replacing the battery
- Replacing a memory module
- Replacing the adapter card
- Replacing the front audio and USB assembly
- Replacing the heat sink
- Replacing the microprocessor
- Replacing the system board
- Replacing the system fan
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing the internal speaker
- Completing the FRU replacement
- Chapter 9. FRU lists
- Chapter 10. Additional service information
- Appendix. Notices

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. Open the computer cover. See “Opening the computer cover” on page 84.
2. Locate the internal speaker. See “Locating components” on page 82.
3. Disconnect the internal speaker cable from the system board. See “Locating
parts on the system board” on page 83.
4. Press the internal speaker lock latch 1, slide the internal speaker downwards
and remove it from the chassis.
5. Position the new internal speaker into the metal clips 2 and push the internal
speaker upwards until it is secured by the lock latch 1.
6. Connect the new internal speaker cable to the system board.
7. Go to “Completing the FRU replacement” on page 106.
;
Figure
29. Removing the internal speaker
Chapter 8. Replacing FRUs 105










