HP 17-ap000, Maintenance And Service Manual, Page: 58 / 91

Audio board
Description Spare part number
Audio board 940588-001
Before removing the audio board, follow these steps:
1. Turn off 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 the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Base enclosure (see Base enclosure on page 38 )
b. Battery (see Battery on page 31 )
c. Speakers (see Speakers on page 45 )
Remove the audio board:
1. Disconnect the audio board cables from the computer (1) and the system board (2).
2. Remove the Phillips screw (3) that secures the audio board to the computer.
3. Remove the audio board (4).
Reverse this procedure to install the audio board.
46 Chapter 6 Removal and replacement procedures for authorized service provider parts