HP Pavilion dm4, Maintenance And Service Manual

Page: 91 / 135

Speaker assembly
Description Spare part number
Speaker assembly 608232-001
Before removing the speaker assembly, 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 45 ).
5. Remove the following components:
a. Optical drive (see Optical drive on page 60 )
b. Keyboard (see Keyboard on page 62 )
c. Top cover (see Top cover on page 64 )
d. Bluetooth module (see Bluetooth module on page 79 ).
Remove the speaker assembly:
1. Position the computer upright with the front toward you.
2. Disconnect the speaker cable from the system board (1) .
3. Remove the Phillips PM2.0×4.0 screw (2) that secures the speaker assembly to the base
enclosure.
Component replacement procedures 81