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Audio board
Description Spare part number
Audio board (includes audio connectors, audio board cable, and infrared lens) 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 36).
5.
Remove the following components:
a.
Hard drives (see
Hard drives on page 41)
b.
Optical drive (see
Optical drive on page 47)
c.
Switch cover (see
Switch cover on page 49)
d.
Keyboard (see
Keyboard on page 53)
e.
Speaker assembly (see
Speaker assembly on page 51)
f.
Display assembly (see
Display assembly on page 55)
g.
Top cover (see
Top cover on page 61)
h.
System board (see
System board on page 68)
Remove the audio board:
1. Remove the two Phillips PM2.5×5.0 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.
Component replacement procedures 71