● WLAN module (see WLAN module on page 45).
● WWAN module (see WWAN module on page 47).
● Solid-state drive (see Solid-state drive on page 48).
● Heat sink (see Heat sink on page 59).
Remove the system board:
1. Disconnect the following cables from the system board:
NOTE: You should never disconnect the RTC battery cable from the system board.
● Antenna cables from the WLAN module (select products only) (1)
● Power connector cable (2)
● Speaker cable (3)
● Display cable (4)
● USB cable (ZIF) from USB board (5)
● USB cable (ZIF) from system board (6)
● Touchpad cable (ZIF) (7)
● Keyboard backlight cable (ZIF) (select products only) (8)
● Keyboard cable (ZIF) (9)
● Fingerprint reader cable (ZIF) (select products only) (10)
● Important: Do not disconnect the RTC battery cable (11)
● Antenna cables from the WWAN module (select products only) (12)
62 Chapter 6 Removal and replacement procedures for authorized service provider parts
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