Audio board
NOTE: All audio board spare part kits include an audio board cable.
Description Spare part number
Includes infrared transceiver 431444-001
Does not include infrared transceiver 465229-001
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 40)
b.
Optical drive (see
Optical drive on page 48)
c.
Switch cover (see
Switch cover on page 50)
d.
Keyboard (see
Keyboard on page 52)
e.
Display assembly (see
Display assembly on page 56)
f.
Top cover (see
Top cover on page 63)
g.
System board (see
System board on page 65)
Remove the audio board:
1. Remove the audio board cable from the clips built into the base enclosure (1).
2. Remove the two Phillips PM2.5×5.0 screws (2) that secure the audio board to the base enclosure.
68 Chapter 4 Removal and replacement procedures
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