Wwan Module - HP mt41 Maintenance And Service Manual

WWAN module

Description
HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module
HP lt4112 LTE/HSPA+ Mobile Broadband Module
CAUTION:
module authorized for use in the computer by the governmental agency that regulates wireless
devices in your country or region. If you replace the module and then receive a warning message,
remove the module to restore device functionality, and then contact technical support.
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 door (see
Remove the WWAN module:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
3. Remove the Phillips screw (2) that secures the WWAN module to the system board.
NOTE:
angle.
4. Insert a thin, non metallic tool (3) between the WWAN module and connector to release the
WWAN module from the connector.
38 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
To prevent an unresponsive system, replace the wireless module only with a wireless
Battery on page
Service door on page
The WWAN module will not tilt up. Do not attempt to remove the WWAN module at an
32).
33).
Spare part number
704030-001
704031-001