Audio board
Description Spare part number
Audio board (includes audio board cable) 446523-001
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 37).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 42)
b.
Optical drive (see
Optical drive on page 49)
c.
Switch cover (see
Switch cover on page 51)
d.
Keyboard (see
Keyboard on page 55)
e.
Speaker assembly (see
Speaker assembly on page 53)
f.
Display assembly (see
Display assembly on page 58)
g.
Top cover (see
Top cover on page 63)
h.
System board (see
System board on page 71)
Remove the audio board:
1. Remove the two Phillips PM2.5×4.0 screws (1) that secure the audio board to the computer.
2. Release the audio board (2) by sliding it back to disengage the audio connectors from the openings
in the base enclosure.
74 Chapter 4 Removal and replacement procedures
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