Usb/Audio Board - HP Envy Maintenance And Service Manual

USB/audio board

Description
USB/audio board for use in models without WWAN
USB/audio board for use in models with WWAN
Before removing the USB/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 service cover (see
5.
Disconnect the battery cable (see
6.
Remove the RJ-45 module cover (see
Remove the USB/audio board:
1. Disconnect the flat ribbon cable from the system board ZIF connector (1).
2. Disconnect the cable from the USB/audio board (2).
3. Move the antenna cables from atop the board (3).
4. Disconnect the left speaker/subwoofer cable (4).
5. Lift the USB/audio board upward (5).
6. Pull the USB/audio board to the right to remove it (6).
Reverse this procedure to install the USB/audio board.
52 Chapter 4 Removal and replacement procedures
Service cover on page 37).
Battery on page 39).
RJ-45 module cover on page
Spare part number
729607-001
727507-001
49).