Removal and replacement procedures
4–50
Audio/infrared board
Before removing the audio/infrared 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 4-8
).
5. Remove the following components:
a. Optical drive (see
“Optical drive” on page 4-9
)
b. Hard drive (see
“Hard drive” on page 4-11
)
c. TV tuner module (see
“TV tuner module” on page 4-13
)
d. Memory module (see
“Memory module” on page 4-15
)
e. WLAN module (see
“WLAN module” on page 4-16
)
f. Switch cover (see
“Switch cover” on page 4-18
)
g. Keyboard cover (see
“Keyboard cover” on page 4-20
)
h. Keyboard (see
“Keyboard” on page 4-24
)
i. Speaker assembly (see
“Speaker assembly” on page 4-30
)
j. Display assembly (see
“Display assembly” on page 4-31
)
k. Top cover (see
“Top cover” on page 4-38
)
Remove the audio/infrared board and cable:
1. Release the ZIF connector
1
to which the audio/infrared board cable is attached and disconnect the
audio/infrared board cable from the system board.
2. Remove the Phillips PM2.0×4.0 screw
2
that secures the audio/infrared board to the base enclosure.
3. Remove the audio/infrared board
3
by lifting it straight up.
Reverse this procedure to install the audio/infrared board.
Description
Spare part number
Audio/infrared board (includes cable)
496892-001