Audio board
Description
Spare part number
Audio board
683475-001
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
Battery on page 40
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door on page 41
).
b.
Keyboard (see
Keyboard on page 52
)
c.
Top cover (see
Top cover on page 54
)
Remove the audio board:
1.
Position the computer upright with the front toward you.
2.
Disconnect the smaller touchpad button cable
(1)
.
3.
Remove the Phillips PM2.0×3.0 screw
(2)
that secures the audio board to the computer.
4.
Rotate the top of the board upward, pull the board away from the connectors (to remove them
from top cover holes), and then lift the board off the top cover
(3)
.
Component replacement procedures
67
Содержание ProBook 4740s
Страница 1: ...HP ProBook 4740s Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ...
Страница 20: ...Buttons and fingerprint reader select models only 12 Chapter 2 External component identification ...
Страница 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
