Usb/Audio Board - HP Chromebook x360 12b Maintenance And Service Manual

USB/audio board

NOTE: The USB/audio board spare part kit does not include the USB/audio board cables. The USB/audio
board high-power cable is available using spare part number L70820-001. The USB/audio board low-power
cable is available using spare part number L70821-001.
Table 5-4 USB/audio board description and spare part number information
Description
USB/audio board (includes 2 USB ports and 1 audio combo jack)
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 bottom cover (see
5. Disconnect the battery cable from the system board (see
Remove the USB/audio board:
1. Disconnect the power cable (1) from the USB/audio board.
2. Release the ZIF connectors (2) to which the USB/audio board cables are connected, and then disconnect
the USB/audio board cables from the system board.
3. Remove the two Phillips M2.0×4.2 screws (3) that secure the USB/audio board to the keyboard/top cover.
4. Remove the two Phillips M2.0×3.8 screws (4) that secure the USB/audio board to the keyboard/top cover.
28 Chapter 5 Removal and replacement procedures
Bottom cover on page 22).
Battery on page 24).
Spare part number
L70818-001