HP ElitePad Mobile POS G2 Maintenance and Service Guide - Page 44

WWAN module, from the terminals on the WWAN module.

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WWAN module Description HP lt4226 LTE/HSPA+ 4G Module HP lt4225 LTE/EV-DO Gobi 4G Module HP lt4112 LTE/HSPA+ 4G Module HP lt4111 LTE/EV-DO/HSPA+ 4G Mobile Broadband Module HP hs3110 HSPA+ Intel Mobile Broadband Module Spare part number 736675-005 820019-005 740011-005 753080-005 822829-005 Before removing the WWAN module, follow these steps: 1. Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system. 2. Disconnect the power from the tablet by unplugging the power cord from the tablet. 3. Disconnect all external devices from the tablet. 4. Remove the display assembly (see Display assembly on page 28). 5. Remove the NFC antenna (see NFC antenna on page 35). Remove the WWAN module: 1. Release the grounding tape (1) that secures the WWAN module to the system board. 2. Disconnect the WWAN antenna cables (2) from the terminals on the WWAN module. NOTE: The WWAN antenna cable labeled "5" connects to the WWAN module "MAIN" terminal labeled "5". The WWAN antenna cable labeled "6" connects to the WWAN module "AUX/GPS" terminal labeled "6". 3. Remove the Phillips PM1.3×1.5 broad head screw (3) that secures the WWAN module to the bottom cover. 36 Chapter 5 Removal and replacement procedures

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WWAN module
Description
Spare part number
HP lt4226 LTE/HSPA+ 4G Module
736675-005
HP lt4225 LTE/EV-DO Gobi 4G Module
820019-005
HP lt4112 LTE/HSPA+ 4G Module
740011-005
HP lt4111 LTE/EV-DO/HSPA+ 4G Mobile Broadband Module
753080-005
HP hs3110 HSPA+ Intel Mobile Broadband Module
822829-005
Before removing the WWAN module, follow these steps:
1.
Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and
then shut it down through the operating system.
2.
Disconnect the power from the tablet by unplugging the power cord from the tablet.
3.
Disconnect all external devices from the tablet.
4.
Remove the display assembly (see
Display assembly
on page
28
).
5.
Remove the NFC antenna (see
NFC antenna
on page
35
).
Remove the WWAN module:
1.
Release the grounding tape
(1)
that secures the WWAN module to the system board.
2.
Disconnect the WWAN antenna cables
(2)
from the terminals on the WWAN module.
NOTE:
The WWAN antenna cable labeled “5” connects to the WWAN module “MAIN” terminal labeled
“5”. The WWAN antenna cable labeled “6” connects to the WWAN module “AUX/GPS” terminal labeled
“6”.
3.
Remove the Phillips PM1.3×1.5 broad head screw
(3)
that secures the WWAN module to the
bottom cover.
36
Chapter 5
Removal and replacement procedures