When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:
●SIM (see SIM on page 39)
●WWAN module (see WWAN module on page 45)
●WLAN module (see WLAN module on page 47)
●Memory module (see Memory module on page 49)
●RTC battery (see RTC battery on page 51)
●Fan/heat sink assembly (see Fan/heat sink assembly on page 67) Remove the system board:
1.Disconnect the display panel cable (1) from the system board.
2.Disconnect the power connector cable (2) from the system board.
3.Remove the Phillips PM2.0×4.0 screw (1) that secures the system board to the base enclosure.
4.Lift the right side of the system board (2) until it rests at an angle.
Component replacement procedures | 65 |
