HP (Hewlett-Packard) D3K33UT#ABA ユーザーズマニュアル

The WWAN module and the WLAN module are not interchangeable.

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:

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.

Disconnect the power from the computer by unplugging the power cord from the computer.

Disconnect all external devices from the computer.

Remove the battery (see 

Remove the hard drive cover (see 

Remove the service cover (see 

Remove the WWAN module:

Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.

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.

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