HP 684332-071 User Manual
WWAN module
NOTE:
The WWAN module and the WLAN module are not interchangeable.
Description
Spare part number
HP lt2523 LTE/HSPA+ Mobile Broadband Module
675793-001
HP lt2522 LTE/EV-DO Mobile Broadband Module
675791-001
HP un2430 EV-DO/HSPA Mobile Broadband Module
634400-001
HP hs2350 HSPA+ Mobile Broadband Module
668969-001
Before removing the WWAN module, follow these steps:
1.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
5.
Remove the service cover (see
Remove the WWAN module:
1.
Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:
The red WWAN antenna cable is connected to the WWAN module “Main” terminal.
The blue WWAN antenna cable is connected to the WWAN module “Aux” terminal.
2.
Remove the two Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the
base enclosure. (The WLAN module tilts up.)
base enclosure. (The WLAN module tilts up.)
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Chapter 4 Removal and replacement procedures