Audio Board - HP DV4-2153 Maintenance And Service Manual

Audio board

Description
Audio board (includes audio connectors, infrared lens, and audio board cable)
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
5. Remove the following components:
a. Hard drive (see
b. WLAN cover (see
c. Optical drive (see
d. Keyboard (see
e. Keyboard cover (see
f. Display assembly (see
g. Top cover (see
Remove the audio board:
1. Disconnect the audio board cable (1) from the system board, and remove the cable from the audio
board (2).
2. Remove the two Phillips PM2.5×4.0 screws (3) that secure the audio board to the computer.
Battery on page 55).
Hard drive on page 59)
WLAN module on page
Optical drive on page
Keyboard on page 72)
Keyboard cover on page
Display assembly on page
Top cover on page 92)
62)
57)
74)
80)
Component replacement procedures 101
Spare part number
486840-001