Speaker; I/O Bracket Assembly - Compaq AP400 Maintenance And Service Manual

Speaker

To remove the speaker:
1. Perform the service preparations described on page 3-2.
2. Remove the following components:
workstation cover
front bezel
3. Remove the two T-15 screws securing the front of the speaker to the chassis.
4. Unplug the speaker connector from the system board with tray.
5. Remove the speaker from the workstation by sliding it back, then lifting it up and out of
the chassis.
Figure 3-9. Removing the speaker
To replace the speaker and reassemble the workstation, reverse the above steps.

I/O Bracket Assembly

The I/O bracket assembly (expansion board bracket) contains a backplane board (riser card), fan
and card guide, graphics controller, and any expansion boards.
To remove the I/O bracket assembly:
1. Perform the service preparations described on page 3-2.
2. Remove the workstation cover.
CAUTION: The power supply in the Compaq Professional Workstation AP400
contains an auxiliary power section. Be sure the power switch is off and the unit is
unplugged before removing the I/O bracket assembly in the next step.
Compaq Professional Workstation AP400 Maintenance and Service Guide
3-9