d.
Keyboard (see
e.
Top cover (see
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:
●
Memory module (see
●
WLAN module (see
●
WWAN module (see
●
RTC battery (see
●
Fan/heat sink assembly (see
●
Processor (see
Remove the system board:
1.
Disconnect the following cables from the system board:
(1) Speaker cable
(2) Bluetooth module cable
(3) Display panel cable
2.
Release the display panel cable from the routing clip (4) built into the fan/heat sink assembly.
74
Chapter 4 Removal and replacement procedures
Keyboard on page
Top cover on page
Memory module on page
WLAN module on page
WWAN module on page
RTC battery on page
Fan/heat sink assembly on page
Processor on page
79)
61)
64)
47)
50)
53)
59)
76)
ENWW