HP ProBook 430 HP ProBook 430 G1 Notebook PC Maintenance and Service Guide - Page 56

WWAN module

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WWAN module CAUTION: The WWAN module and the WLAN module are not interchangeable. NOTE: M.2 SSD and WWAN devices share the same connector; therefore, you cannot install both devices at the same time. Description HP lt4112 LTE/HSPA+ Gobi 4G Module HP hs3110 HSPA+ Mobile Broadband Module Spare part number 704031-001 723895-001 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 35). 5. Remove the service door (see Service door on page 43). 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 two Phillips PM2.5×3.0 screws (2) that secure the WWAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) 46 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts

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WWAN module
CAUTION:
The WWAN module and the WLAN module are not interchangeable.
NOTE:
M.2 SSD and WWAN devices share the same connector; therefore, you cannot install both
devices at the same time.
Description
Spare part number
HP lt4112 LTE/HSPA+ Gobi 4G Module
704031-001
HP hs3110 HSPA+ Mobile Broadband Module
723895-001
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
35
).
5.
Remove the service door (see
Service door
on page
43
).
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 two Phillips PM2.5×3.0 screws
(2)
that secure the WWAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
46
Chapter 5
Removal and replacement procedures for Customer Self-Repair parts