HP ProBook 470 G1, Руководство по техническому обслуживанию и ремонту

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Speaker assembly
Description Spare part number
Speaker assembly 723674-001
NOTE: You must remove the left speaker to remove to function board cable.
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 34 ).
5. Remove the following components:
a.
Service door (see Service door on page 35 ).
b. Keyboard (see Keyboard on page 45 )
c. Optical drive ( Optical drive on page 39 )
d. Top cover (see Top cover on page 47 )
Remove the speaker assembly:
1. Position the top cover upside-down.
2. Remove the 2 Phillips PM2.5×6.0 shoulder screws (1) that secure the speakers to the computer.
3. Lift the side of each speaker opposite of the screw, and then pull each speaker out from under
the tab on the top cover (2).
4. Remove the speaker cables from the clips built into the top cover (3).
Component replacement procedures 57