HP Dragonfly 13.5 Maintenance and Service Guide - Page 69

Transfer board D302 ZIF cable, Fingerprint reader CN320 ZIF cable

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Remove the system board: 1. Release the ZIF connector (1) the webcam cable is connected to, and then disconnect the webcam cable from the system board. 2. Carefully disconnect the WLAN module antenna cables (2) from the WLAN module. NOTE: Computer models have either one or two WLAN module antennas. On models with two antennas, the #1 white WLAN module antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN module antenna cable connects to the WLAN module #1 Aux terminal. 3. Disconnect the rear speaker cables (3) from the system board. 4. Carefully disconnect the WWAN module antenna cables (4) from the WWAN module. NOTE: Computer models have one to four WWAN module antenna cables. The antenna cables have tags that identify them with a number that corresponds to a terminal on the WWAN module. Connect the antenna cable to the corresponding WWAN module terminal. 5. Release the ZIF connector (5) the display panel cable is connected to, and then disconnect the display panel cable from the system board. 6. Disconnect the following cables from the system board: ● Transfer board CN320 ZIF cable (6) ● Transfer board D302 ZIF cable (7) ● Fingerprint reader CN320 ZIF cable (8) ● Front speaker cable (9) System board 63

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Remove the system board:
1.
Release the ZIF connector
(1)
the webcam cable is connected to, and then disconnect the webcam
cable from the system board.
2.
Carefully disconnect the WLAN module antenna cables
(2)
from the WLAN module.
NOTE:
Computer models have either one or two WLAN module antennas. On models with two
antennas, the #1 white WLAN module antenna cable connects to the WLAN module #1 Main
terminal. The #2 black WLAN module antenna cable connects to the WLAN module #1 Aux terminal.
3.
Disconnect the rear speaker cables
(3)
from the system board.
4.
Carefully disconnect the WWAN module antenna cables
(4)
from the WWAN module.
NOTE:
Computer models have one to four WWAN module antenna cables. The antenna cables
have tags that identify them with a number that corresponds to a terminal on the WWAN module.
Connect the antenna cable to the corresponding WWAN module terminal.
5.
Release the ZIF connector
(5)
the display panel cable is connected to, and then disconnect the
display panel cable from the system board.
6.
Disconnect the following cables from the system board:
●
Transfer board CN320 ZIF cable
(6)
●
Transfer board D302 ZIF cable
(7)
●
Fingerprint reader CN320 ZIF cable
(8)
●
Front speaker cable
(9)
System board
63