WWAN module
CAUTION: The WLAN module and the WWAN module are not interchangeable.
Description Spare part number
Cingular HSDPA WWAN module 448673-002
Qualcomm EV-DO WWAN module 441866-001
Sprint EV-DO WWAN module 451132-001
Verizon EV-DO WWAN module 451131-001
Vodafone HSDPA WWAN module 448672-002
Before removing the WWAN module, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 37).
5.
Remove the hard drive compartment cover (see
Hard drive on page 39).
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 PM2.5×4.0 screws (2) that secure the WWAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
Component replacement procedures 45