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e. Heat sink (see Heat sink on page 62)
f. Switch cover (see
Switch cover on page 71)
g. TouchPad (see
TouchPad on page 67)
h. Display assembly (see
Display assembly on page 75)
i. Top cover (see
Top cover on page 80)
j. Speaker assembly (see
Speaker assembly on page 82)
k. Modem module (see
Modem module on page 84)
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 46)
●
Memory module (see
Memory module on page 55)
●
WLAN module (see
WLAN module on page 69)
●
WWAN module (see
WWAN module on page 59)
●
Processor (see
Processor on page 64)
●
Graphics card (see
Graphics card on page 65)
●
PC Card assembly (see
PC Card assembly on page 89)
Remove the system board:
1. Disconnect the following cables from the system board:
(1) RJ-11 connector cable
(2) USB board cable
(3) Audio board cable
(4) Bluetooth module cable
2. Position the base enclosure with the rear panel toward you.
86 Chapter 4 Removal and replacement procedures