Remove the system board:
1.Release the tape securing the WWAN antennas (1).
2.Disconnect the following cables from the system board:
(2)Display panel cable
(3)Microphone cable
(4)Speaker cable
(5)WLAN cables
(6)WWAN cables (select models only)
3.Remove the 2 Phillips PM1.5×2.0 screws (1) that secure the actuators for the power switch and wireless on/off switch to the system board.
4.Remove the actuators (2).
Component replacement procedures 73
