HP (Hewlett-Packard) KN998UA Laptop User Manual


 
Audio board
Description Spare part number
Audio board for use in dv2500 models (includes audio connectors, infrared lens, and audio board
cable)
448626-001
Audio board for use in dv2700 computer models with Intel or AMD processors 463972-001
Audio board for use in dv2700 computer models with an Intel processor and equipped with a WWAN
module
463973-001
Audio board for use in dv2500 computer models with an Intel processor and equipped with a WWAN
module
459765-001
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 56).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 61)
b.
WLAN cover (see
WLAN module on page 65)
c.
Optical drive (see
Optical drive on page 73)
d.
Keyboard (see
Keyboard on page 74)
e.
Switch cover (see
Switch cover on page 79)
f.
Display assembly (see
Display assembly on page 82)
g.
Top cover (see
Top cover on page 87)
Remove the audio board:
1.
Release the ZIF connector to which the audio board cable is connected and disconnect the cable
(1) from the system board.
2. Remove the two Phillips PM2.5×5.0 screws (2) that secure the audio board to the computer.
3. Release the audio board (3) by sliding it back until the audio connectors disengage from the base
enclosure.
Component replacement procedures 97