Reverse this procedure to install the WWAN antennas.
Infrared camera LED board
Description Spare part number
Infrared camera LED board (includes sponge and Mylar screw/POGO cover) L14756-001
Infrared camera LED board cable (includes Mylar screw/POGO cover) L14757-001
Before removing the infrared camera LED board, follow these steps:
1. Shut down 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 all external devices connected to the tablet.
3. Disconnect the power from the tablet by rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the tablet.
4. Remove the display panel assembly (see Display assembly on page 32), and then remove the following
components:
a. Mylar shield (see Mylar shield (WWAN models only) on page 37)
b. Battery (see Battery on page 40)
c. WLAN antennas (see WLAN antennas on page 65)
d. Speakers (see Speakers on page 68)
Remove the infrared camera LED board:
1. Disconnect the cable from the system board ZIF connector (1).
Component replacement procedures 71
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