HP EliteBook 8470w Maintenance And Service Manual page 106

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
●
Processor (see
Remove the system board:
1. Release the wireless antenna cables (1) from the routing clips (2) attached to the system board.
2.
Disconnect the following cables from the system board:
(3) Display lid switch board cable
(4) Display panel cable
(5) Webcam/microphone module cable
(6) Fingerprint reader cable
(7) RTC battery cable
98 Chapter 4 Removal and replacement procedures
SIM on page 58, if applicable)
Memory module on page
WWAN module on page
WLAN module on page
Heat sink on page
Processor on page
67)
69)
71)
100)
104)