j.
Top cover (see
Top cover on page 128
)
k.
ExpressCard assembly (see
ExpressCard assembly on page 133
)
l.
Speaker assembly (see
Speaker assembly on page 137
)
m.
Card reader/USB board (see
Flash media/1394 board on page 141
)
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 80
)
●
Expansion and primary memory modules (see
Primary memory module on page 100
and
Expansion memory module on page 86
)
●
WLAN module (see
WLAN module on page 88
)
●
WWAN module (see
WWAN module on page 92
)
●
RTC battery (see
RTC battery on page 102
)
●
Processor (see
Processor on page 113
)
●
Modem module (see
Modem module on page 135
)
●
Bluetooth module cable (see
Bluetooth module cable on page 139
)
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
●
External monitor cable
(3)
from the system board
Component replacement procedures
145
Summary of Contents for ProBook 6450b
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