HP DV4 manual Speaker assembly

Removal and replacement procedures

Speaker assembly

Description	Spare part number
All courtries and regions except India	486837-001
India	486865-D61

Before removing the speaker assembly:

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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer.

4.Remove the battery (see “Battery” on page 4-7).

5.Remove the following components:

a.Hard Drive cover (see “Hard Drive” on page 4-8)

b.Mini Card compartment cover (see “RTC battery” on page 4-12)

c.Optical drive cover (see “Optical drive” on page 4-19)

d.Keyboard (see “Keyboard” on page 4-20)

e.Keyboard cover (see “Keyboard cover” on page 4-23)

Remove the speaker assembly:

1.Disconnect the display lid switch 1 from the system board.

2.Remove the two Phillips PM2.5×3.0 screws 2 that secure the speaker assembly to the computer.

3.Remove the Phillips PM2.5×8.0 screw 3 that secures the speaker assembly to the computer.

4.Disconnect the speaker cable 4 from the system board.

5.Lift the speaker assembly 5 straight up to remove it from the computer.

Reverse this procedure to install the speaker assembly.

4–26 Maintenance and Service Guide