Datasheet

g. Base enclosure (see Base enclosure on page 91)
h. USB board (see
USB board on page 94)
NOTE: 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:
WWAN module (see
WWAN module (select models only) on page 74)
Solid-state drive (see
Solid-state drive on page 79)
WLAN module (see
WLAN module on page 75)
Expansion memory (see
Primary memory module on page 69)
Primary memory (see
Expansion memory module on page 72)
Smart card reader (see
Smart card reader on page 100)
Processor (see
Processor on page 109)
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Card reader cable
(2) Power connector cable
Left (3) and right (4)speaker cables
(5) Display panel cable (if display panel is still attached)
System board 103