Audio Board - HP PROBOOK 4520S Maintenance And Service Manual

Audio board

NOTE:
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 switch cover and keyboard (see
6. Remove the optical drive (see
7. Remove the power button board cable (see
8. Remove the speakers (see
9. Remove the thermal shield (see
10. Remove the display assembly (see
on page 89
11. Remove the palm rest (see
12. Remove the hard drive (see
13. Remove the top cover (see
Remove the audio board:
1.
Position the computer right-side up with the front toward you.
2. Remove the M2.5×3.0 screw (1) that secures the audio board to the system board.
3. Release the ZIF connector (2) and remove the cable (3).
112 Chapter 4 Removal and replacement procedures
The spare part number for the audio board is 598684-001.
Battery on page
Speakers on page
or Display assembly on computers with 15.6-in displays on page
Palm rest on page
Top cover on page
55).
Switch cover and keyboard on page
Optical drive on page
Power button board on page
65).
Thermal shield on page
Display assembly on computers with 17.3-in displays
84).
Hard drive on page 87).
103).
61).
63).
67).
56).
96).