WWAN module
Description
Spare part number
HP lt4112 LTE/HSPA+ Mobile Broadband Module
704031-001
HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module
704030-001
HP hs3110 HSPA+ Mobile Broadband Module
723895-001
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 service cover (see
Service cover on page 42
).
5.
Remove the battery (see
Battery on page 44
).
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” 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”.
2.
Remove the Phillips PM2.0×2.5 screw
(2)
that secures the WWAN module to the system board.
(The WWAN module tilts up.)
Component replacement procedures
49
Summary of Contents for EliteBook 820 G1
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Page 26: ...Computer major components 18 Chapter 3 Illustrated parts catalog ...
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