4.
Remove the battery (see
Battery on page 72).
5.
Remove the following components:
a.
Bluetooth module (see
Bluetooth module on page 74)
b.
Mass storage device (see
Mass storage device on page 75)
c.
Optical drive (see
Optical drive on page 86)
d.
Keyboard (see
Keyboard on page 88)
e.
Switch cover (see
Switch cover on page 94)
f.
Fan (see
Fan on page 102)
g.
Heat sink (see
Heat sink on page 104)
h.
Palm rest (see
Palm rest on page 98)
i.
TouchPad (see
TouchPad on page 100)
j.
Display assembly (see
Display assembly on page 109)
k.
Top cover (see
Top cover on page 121)
l.
ExpressCard assembly (see
ExpressCard assembly on page 126)
m.
Speaker assembly (see
Speakers on page 130)
n.
Card reader/USB board (see
Card reader/USB board on page 134)
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 73)
●
Expansion and primary memory modules (see
Expansion memory module on page 78)
●
WLAN module (see
WLAN module on page 80)
●
WWAN module (see
WWAN module on page 84)
●
RTC battery (see
RTC battery on page 93)
●
Processor (see
Processor on page 107)
●
Modem module (see
Modem module on page 128)
●
Bluetooth module cable (see
Bluetooth module cable on page 132)
Remove the system board:
1.
Disconnect the following cables:
●
Bluetooth module cable (1) from the system board
●
Modem module cable (2) from the modem module
Component replacement procedures
137
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