Wwan Module - HP EliteBook 8470w Maintenance And Service Manual

WWAN module

NOTE: The WWAN module and the WLAN module are not interchangeable.
Description
HP lt2523 LTE/HSPA+ Mobile Broadband Module
HP lt2522 LTE/EV-DO Mobile Broadband Module
HP un2430 EV-DO/HSPA Mobile Broadband Module
HP hs2350 HSPA+ Mobile Broadband Module
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.
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 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
system board. (The WLAN module tilts up.)
Battery on page
Service cover on page
The red WWAN antenna cable is connected to the WWAN module "Main" terminal.
57).
59).
Component replacement procedures
Spare part number
675793-001
675791-001
634400-001
668969-001
69