Audio board
Description
Spare part number
Audio board
(includes audio connectors, infrared lens, and audio board cable)
486840-001
Before removing the audio board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 55
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 59
)
b.
WLAN cover (see
WLAN module on page 62
)
c.
Optical drive (see
Optical drive on page 57
)
d.
Keyboard (see
Keyboard on page 72
)
e.
Keyboard cover (see
Keyboard cover on page 76
)
f.
Display assembly (see
Display assembly on page 83
)
g.
Top cover (see
Top cover on page 95
)
Remove the audio board:
1.
Disconnect the audio board cable
(1)
from the system board, and remove the cable from the audio
board
(2)
.
2.
Remove the two Phillips PM2.5×4.0 screws
(3)
that secure the audio board to the computer.
104 Chapter 4 Removal and replacement procedures
