HP 9470m i7 Win8 D3K33UT#ABA manual WWAN module

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
HP un2430 EV-DO/HSPA Mini Card	702080-001
HP hs2350 hspa+ Mobile Broadband Module	710788-001
HP lt2522 LTE/EV-DO Mobile Broadband Module	710789-001
HP lt2523 LTE/HSPA+ Mobile Broadband Module	710790-001

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.

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 Battery on page 41).

5.Remove the hard drive cover (see Hard drive cover on page 47).

6.Remove the service cover (see Service cover on page 53).

Remove the WWAN module:

1.Disconnect the WWAN antenna cables (1) from the terminals on the WWAN 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 WWAN module to the system board. (The WWAN module tilts up.)

56 Chapter 4 Removal and replacement procedures