HP Engage Go 13.5 Maintenance and Service Guide - Page 47

Ambient light sensor (ALS

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4. If the WWAN antenna is not connected to the terminal on the WWAN module, a protective sleeve must be installed on the antenna connector, as shown in the following illustration. To install the WWAN module, reverse this procedure. Ambient light sensor (ALS) To remove the ambient light sensor, use this procedure and illustration. Before removing the ambient light sensor, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 31). 2. Remove the display assembly (see Display assembly on page 31). 3. Disconnect the battery cable from the system board (see Battery on page 32). Remove the ambient light sensor: 1. Use tweezers to disconnect the cable from the reverse ZIF connector on the system board (1). 40 Chapter 5 Removal and replacement procedures

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4.
If the WWAN antenna is not connected to the terminal on the WWAN module, a protective sleeve
must be installed on the antenna connector, as shown in the following illustration.
To install the WWAN module, reverse this procedure.
Ambient light sensor (ALS)
To remove the ambient light sensor, use this procedure and illustration.
Before removing the ambient light sensor, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
31
).
2.
Remove the display assembly (see
Display assembly
on page
31
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
32
).
Remove the ambient light sensor:
1.
Use tweezers to disconnect the cable from the reverse ZIF connector on the system board
(1)
.
40
Chapter 5
Removal and replacement procedures