Dell XPS 16 9640 Owners Manual - Page 69

Table 27. Antenna-cable connection scheme, Installing the system board

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Figure 48. Installing the system board Steps 1. Align the screw holes on the system board with the screw holes on the palm rest and keyboard assembly. 2. Replace the four screws (M2x4.5) that secure the system board to the palm rest and keyboard assembly. 3. Connect the antenna cables to the wireless module. NOTE: The following table provides the antenna-cable connection scheme for the wireless module on your computer. Table 27. Antenna-cable connection scheme Connectors on the wireless module Antenna cable Marking on the module Main Black with label 'M' MAIN 2 △ (white triangle) Auxiliary Black AUX 1 ▲ (black triangle) 4. Connect the speaker (L) cable to the connector (SPKL1) on the system board. 5. Connect the keyboard-controller cable to the connector (CN6501) on the system board and close the latch. 6. Connect the touchpad cable to the connector (TPAD1) on the system board and close the latch. 7. Connect the speaker (R) cable to the connector (SPKR1) on the system board. 8. Connect the power-button and fingerprint-reader cable to the connector (FP1) on the system board. 9. Align the screw hole on the wireless-module shield with the screw hole on the system board. 10. Replace the screw (M2x3) that secures the wireless-module shield to the system board. 11. Connect the capacitive touch-panel cable to the connector (TF1) on the system board. Next steps 1. Install the Type-C bracket. 2. Install the heat sink. Removing and installing Field Replaceable Units (FRUs) 69

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Figure 48. Installing the system board
Steps
1.
Align the screw holes on the system board with the screw holes on the palm rest and keyboard assembly.
2.
Replace the four screws (M2x4.5) that secure the system board to the palm rest and keyboard assembly.
3.
Connect the antenna cables to the wireless module.
NOTE:
The following table provides the antenna-cable connection scheme for the wireless module on your computer.
Table 27. Antenna-cable connection scheme 
Connectors on the
wireless module
Antenna cable
Marking on the module
Main
Black with label 'M'
MAIN 2
△
(white triangle)
Auxiliary
Black
AUX 1
▲
(black triangle)
4.
Connect the speaker (L) cable to the connector (SPKL1) on the system board.
5.
Connect the keyboard-controller cable to the connector (CN6501) on the system board and close the latch.
6.
Connect the touchpad cable to the connector (TPAD1) on the system board and close the latch.
7.
Connect the speaker (R) cable to the connector (SPKR1) on the system board.
8.
Connect the power-button and fingerprint-reader cable to the connector (FP1) on the system board.
9.
Align the screw hole on the wireless-module shield with the screw hole on the system board.
10.
Replace the screw (M2x3) that secures the wireless-module shield to the system board.
11.
Connect the capacitive touch-panel cable to the connector (TF1) on the system board.
Next steps
1.
Install the
Type-C bracket
.
2.
Install the
heat sink
.
Removing and installing Field Replaceable Units (FRUs)
69