4–38
Maintenance and Service Guide
Removal and replacement procedures
Audio board
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 6
).
5. Remove the following components:
a. Hard drive (see
“Hard drive” on page 8
)
b. Optical drive (see
“Optical drive” on page 16
)
c. Keyboard (see
“Keyboard” on page 18
)
d. Keyboard cover (see
“Keyboard cover” on page 20
)
e. Right speaker (see
“Right speaker” on page 22
)
f. Top cover (see
“Top cover” on page 23
).
Remove the audio board and cable:
1. Disconnect the audio board cable
1
from the system board.
2. Remove the Phillips PM2.0×4.0 screw
2
that secures the audio board to the system board.
3. Lift the rear edge of the audio board
3
so that the audio connectors slide out of the openings in the base
enclosure and remove the audio board and cable.
Reverse this procedure to install the audio board.
Description
Spare part number
Audio board (includes cable)
531812-001
Содержание Presario CQ35
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