6
.
Remove the system board
(4)
by pulling it away from the top cover at an angle until it clears the top
cover.
7
.
If it is necessary to replace the optical drive connector board, pull the board away from the system
board until it disconnects from the system board.
NOTE:
The optical drive connector board is available using spare part number 443820-001.
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 module (see
SIM module on page 42
)
●
Memory modules (see
Expansion memory module on page 49
and
Internal memory module
on page 58
)
●
WLAN module (see
WLAN module on page 51
)
●
RTC battery (see
RTC battery on page 59
)
●
WWAN module (see
WWAN module on page 60
)
●
Processor (see
Processor on page 66
)
82 Chapter
4
Removal and replacement procedures