14. Detach the WLAN auxiliary antenna transceiver (2) from the display panel assembly. (The WLAN
auxiliary antenna transceiver is attached to the display panel assembly with double-sided adhesive.)
15. Remove the WLAN auxiliary antenna cable and transceiver.
Reverse this procedure to install the wireless antennas.
Sensor board
Description Spare part number
Sensor board (includes cable and double-sided adhesive) 802828-001
Before removing the sensor board, follow these steps:
1. Turn o the tablet. If you are unsure whether the tablet is o or in Hibernation, turn the tablet on, and
then shut it down through the operating system.
2. Disconnect the power from the tablet by unplugging the power cord from the tablet.
3. Disconnect all external devices from the tablet.
4. Remove the back cover (see Back cover on page 23).
5. Disconnect the battery cable from the system board (see Battery on page 24).
Remove the sensor board:
32 Chapter 5 Removal and replacement procedures
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