HP EliteBook 9470m Maintenance And Service Manual page 78

d.
Fan (see
e.
Keyboard (see
f.
Base enclosure (see
NOTE: 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
●
Memory module (see
●
WWAN module (see
●
WLAN module (see
●
Heat sink (see
●
Remove the system board:
1.
Disconnect the following cables:
(1): Right speaker cable
●
(2): Display panel
●
(3): Left speaker cable
●
(4): Touchpad
●
(5): Smart card reader
●
70 Chapter 4 Removal and replacement procedures
Fan on page 68)
Keyboard on page
Base enclosure on page
SIM on page 42, if applicable)
Memory module on page
WWAN module on page
WLAN module on page
Heat sink on page
60)
63)
54)
56)
58)
72)