Replacing The Internal Speaker - Lenovo Think station 4223 User Manual

5. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on
the system board" on page 10.
Note: Make sure you note the locations of the cables when you disconnect the cables from the system
board.
6. Remove the two screws that secure the front audio and USB assembly bracket, and then remove
the bracket from the chassis.
Figure 39. Removing the two screws that secure the front audio and USB assembly to the chassis
7. Position the front audio and USB assembly bracket into the chassis, and then align the two screw holes
in the bracket with the corresponding holes in the chassis. Install the two screws to secure the front
audio and USB bracket to the chassis.
8. Reconnect the front audio and USB assembly cables to the front audio connector and the front USB
connector on the system board. See "Locating parts on the system board" on page 10.
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 56.

Replacing the internal speaker

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important
safety information" on page v.
This section provides instructions on how to replace the internal speaker.
54
ThinkStation User Guide