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8.
Remove the top cover (see
9.
Disconnect the optical drive cable from the system board (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:
●
SIM (see
SIM on page
●
WLAN module (see
●
RTC battery (see
●
Memory module (see
●
Fan/heat sink assembly (see
●
Processor (see
Processor on page
Remove the system board:
1.
Release the ZIF connector to which the audio/USB board cable is attached, and then disconnect
the cable (1) from the system board.
2.
Release the ZIF connector to which the SIM/WWAN board cable is attached, and then
disconnect the cable (2) from the system board.
3.
Disconnect the display panel cable (1) from the system board.
4.
Disconnect the power connector cable (2) from the system board.
5.
Disconnect the power extension cable (3) from the battery connector board.
Top cover on page
35)
WLAN module on page
RTC battery on page
45)
Memory module on page
Fan/heat sink assembly on page
67)
50).
Optical drive on page
41)
46)
65)
Component replacement procedures
59).
63
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