HP EliteBook 2760p HP EliteBook 2760p Tablet PC - Maintenance and Service Gui - Page 59

WWAN module

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WWAN module CAUTION: The WWAN module and the WLAN module are not interchangeable. Description Ericsson 5521 HSPA+ WWAN module Qualcomm Gobi 3000 HSPA/CDMA WWAN module with GPS (not available in China) Spare part number 632155-001 634400-001 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 following components: a. Remove the battery (see Battery on page 41) b. Remove the service access cover (see Service access cover on page 42) Remove the WWAN module: 1. Disconnect the WWAN antenna cables (1) and (2) 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. 2. Remove the two Phillips M2.5×3.0 screws (3) that secure the WWAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) Component replacement procedures 51

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WWAN module
CAUTION:
The WWAN module and the WLAN module are not interchangeable.
Description
Spare part number
Ericsson 5521 HSPA+ WWAN module
632155-001
Qualcomm Gobi 3000 HSPA/CDMA WWAN module with GPS (not available in China)
634400-001
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 following components:
a.
Remove the battery (see
Battery
on page
41
)
b.
Remove the service access cover (see
Service access cover
on page
42
)
Remove the WWAN module:
1.
Disconnect the WWAN antenna cables
(1)
and
(2)
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.
2.
Remove the two Phillips M2.5×3.0 screws
(3)
that secure the WWAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
Component replacement procedures
51