Audio Board - HP Pro Tablet 608 G1 Maintenance And Service Manual

Audio board

IMPORTANT:
you replace the audio board. See
The BIOS on the tablet is injected into the audio board. If you replace the audio board, but not the system
board, you must reflash the Trusted Execution Environment (TXE) region in SPI ROM to avoid a TXE encryption
key mismatch between the audio board and the system board.
Before removing the audio board, follow these steps:
1. Turn off the tablet. If you are unsure whether the tablet is off, turn the tablet on, and then shut it down
through the operating system.
2. Disconnect the power from the tablet by unplugging the power adapter cord from the tablet.
3. Disconnect all external devices from the tablet.
4. Remove the back cover (see
5. Disconnect the battery (see
6. Remove the WWAN module (see
7. Remove the left speaker (see
Remove the audio board:
CAUTION:
IMPORTANT:
1. Release the proximity antenna ZIF connector (1), and then disconnect the proximity sensor antenna
ribbon cable from the audio board.
2. Release the audio board ZIF connector (2), and then disconnect the audio board ribbon cable from the
audio board.
3. Remove the two 3 mm P0 Phillips screws (3) that secure the audio board bracket to the display panel
assembly, and then remove the bracket.
24 Chapter 5 Removal and replacement procedures
The audio board is spared with the system board. You must replace the system board when
System board on page
Back cover on page
Disconnecting the battery on page
Left speaker on page
Use care to prevent damaging the ZIF connectors and ribbon cables.
Make careful note of the placement of the proximity sensor antenna for later replacement.
30.
18).
WWAN module (select models only) on page
23).
19).
21).