Dell Latitude 9440 2-in-1 Servicehandbuch Seite 49

There are seven screws in two sizes securing the system board in place.
4. Align and place the USB Type-C bracket on the system board.
5. Replace the three (1.6x3) screws to secure the USB Type-C bracket to the system board.
6. For systems shipped with WWAN, route the WWAN antenna cables through their routing guides on the system board.
7. Connect the display cable, camera cable, Proximity sensor cable, WWAN Darwin antenna cables (for systems shipped with
WWAN), left and right speaker cable, touchpad FPC, power button FPC (for systems shipped without a fingerprint reader)
or USH I/O board FPC (for models shipped with a fingerprint reader) cable to the connectors on the system board.
NOTE: The connector for the display cable features a latch that locks it in place on the system board which technicians
must flip open in order to connect the display cable to the system board..
8. Align and place the WWAN Darwin cable bracket on the system board.
9. Tighten the (M1.6x2.3) screw to secure the WWAN Darwin cable bracket to the system board.
10. Align and place the display cable/Type-C bracket on the system board.
11. Replace the two (M1.6x3) screws to secure the display cable/Type-C bracket in place.
12. Adhere the left and right mylar stickers on the system board.
Next steps
1. Install the battery.
2. Install the heat sink.
3. Install the left fan.
4. Install the right fan.
5. Install the WWAN card
6. Install the solid-state
7. Install the base cover.
8. Install the SIM card tray
9. Follow the procedure in
if applicable.
drive.
if applicable.
After working inside your computer.
Entfernen und Einbauen von Komponenten 49