HP ProBook 430 G2, Руководство по техническому обслуживанию и ремонту

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WWAN module
The WLAN module and WWAN module are not interchangeable.
The WWAN module is available on select models only.
Description Spare part number
HP lt4112 LTE/HSPA+ Gobi 4G Module 740011-001
HP hs3110 HSPA+ Mobile Broadband Module 748599-001
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 30 ).
5. Remove the service door (see Service door on page 31 ).
Remove the WWAN module:
1. Position the computer upside-down.
2. 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.
3. Remove the Phillips PM2.5×3.0 screw (2) that secures the WWAN module to the computer. (The edge of
the module opposite the slot rises away from the computer.)
38 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts