HP Chromebook x360 11MK G3 Education Edition Maintenance and Service Guide 1 - Page 46

Remove the Phillips M2.0 × 3.5 screw, then remove the WLAN module bracket

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Table 5-6 System board descriptions and part numbers (continued) Description Equipped with 8 GB of system memory and 32 GB of eMMC system storage Equipped with 4 GB of system memory and 32 GB of eMMC system storage Spare part number M49310-001 M49308-001 Before removing the system board, follow these steps: 1. Prepare the computer for disassembly (Preparation for disassembly on page 28). 2. Remove the top cover/keyboard (Top cover/keyboard on page 28). 3. Disconnect the battery cable from the system board (Speakers on page 33). Remove the system board: 1. Remove the clear shield (1) that covers the system board connectors. 2. Disconnect the speaker cable (2) from the system board. 3. Release the ZIF connector (3) to which the sensor board cable is connected, and then disconnect the sensor board cable from the system board. 4. Remove the Phillips M2.0 × 3.5 screw (4) that secures the WLAN module bracket to the system board, and then remove the WLAN module bracket (5). The WLAN module bracket is included in the Bracket Kit, spare part number M49319-001. 5. Carefully disconnect the two wireless antenna cables (6) from the WLAN module. NOTE: The #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable connects to the WLAN module #1 Aux terminal. 6. Disconnect the webcam/microphone module cable (7) from the system board. 38 Chapter 5 Removal and replacement procedures for authorized service provider parts ENWW

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Table 5-6
System board descriptions and part numbers (continued)
Description
Spare part
number
Equipped with 8 GB of system memory and 32 GB of eMMC system storage
M49310-001
Equipped with 4 GB of system memory and 32 GB of eMMC system storage
M49308-001
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
28
).
2.
Remove the top cover/keyboard (
Top cover/keyboard
on page
28
).
3.
Disconnect the battery cable from the system board (
Speakers
on page
33
).
Remove the system board:
1.
Remove the clear shield
(1)
that covers the system board connectors.
2.
Disconnect the speaker cable
(2)
from the system board.
3.
Release the ZIF connector
(3)
to which the sensor board cable is connected, and then disconnect the sensor
board cable from the system board.
4.
Remove the Phillips M2.0 × 3.5 screw
(4)
that secures the WLAN module bracket to the system board, and
then remove the WLAN module bracket
(5)
.
The WLAN module bracket is included in the Bracket Kit, spare part number M49319-001.
5.
Carefully disconnect the two wireless antenna cables
(6)
from the WLAN module.
NOTE:
The #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black
WLAN antenna cable connects to the WLAN module #1 Aux terminal.
6.
Disconnect the webcam/microphone module cable
(7)
from the system board.
38
Chapter 5
Removal and replacement procedures for authorized service provider parts
ENWW