WWAN module
Description
Spare part number
HP lt4226 LTE/HSPA+ 4G Module
736675-005
HP lt4225 LTE/EV-DO 4G Module
793736-005
HP lt4211 LTE/EV-DO/HSPA+ 4G Module
793116-005
HP lt4112 LTE/HSPA+ 4G Module
790198-005
HP hs3110 HSPA+ Mobile Broadband Module
793516-005
CAUTION:
To prevent an unresponsive system, replace the wireless module only with a wireless module
authorized for use in the slate 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.
Shut down the slate. If you are unsure whether the slate is off or in Hibernation, turn the slate on, and
then shut it down through the operating system.
2.
Disconnect all external devices connected to the slate.
3.
Disconnect the power from the slate by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the slate.
4.
Remove the display panel assembly (see
Display panel assembly on page 35
).
5.
Disconnect the battery cable from the system board (see
Battery on page 39
).
Remove the WWAN module:
1.
Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE:
The WWAN antenna cable labeled “5/Main” connects to the WWAN module “5/Main” terminal.
The WWAN antenna cable labeled “6/Aux” connects to the WWAN module “6/Aux” terminal.
2.
Remove the Phillips PM1.9×3.4 screw (2) that secures the WWAN module to the bottom cover. (The
WWAN module tilts up.)
42
Chapter 5 Removal and replacement procedures – slate
