Dell Latitude 5430, Service Handbook

Page: 49 / 110

Steps
NOTE: The system board can be removed and installed with the thermal module attached in order to simplify the procedure
and preserve the thermal bond between the system board and heat-sink. In order to do so, technicians must also remove
the two (M2x5) screws to secure the system fan to the system board.
1. Slide the system board to make the USB Type-C connector to toe-in to the hinge saddle and align the screw holes on the
system board with the screw holes on the palm-rest assembly.
2. Replace the four (M2x3) screws to secure the system board to the palm-rest assembly.
3. Align and place the USB Type-C bracket on the system board.
4. Replace the three (M2x5) screws to secure the USB Type-C bracket to the system board.
5. Connect the USH board cable to the connector on the system board and close the latch to secure the cable to the system
board.
6. Connect the touchpad cable to the connector on the system board and close the latch to secure the cable to the system
board.
7. Route the coin-cell battery cable under the system board and adhere the coin-cell battery to the palm-rest assembly.
8. Route the display and eDP cable through the routing guide on the system board.
9. Connect the eDP cable to the connector on the system board.
10. Connect the display cable to the connector on the system board.
11. Adhere the tape that secures the display cable to the system board.
12. Align the screw holes on the eDP cable bracket with the screw holes on the system board.
13. Replace the two (M2x3) screws to secure the eDP cable bracket to the system board.
Next steps
1. Install the assembly inner frame .
2. Install the heat sink .
3. Install the memory module .
4. Install the WLAN card .
5. Install the WWAN card .
6. Install the M.2 2280 solid-state drive or M.2 2230 solid-state drive .
7. Install the 3-cell battery or 4-cell battery .
8. Install the base cover .
9. Install the microSIM card .
10. Install the microSD card .
11. Follow the procedure in after working inside your computer .
Strömbrytarkortet
Removing the power-button board
Prerequisites
1. Follow the procedure in before working inside your computer .
2. Remove the microSD card .
3. Remove the microSIM card .
4. Remove the base cover .
5. Remove the 3-cell battery or 4-cell battery .
6. Remove the M.2 2280 solid-state drive or M.2 2230 solid-state drive .
7. Remove the WLAN card .
8. Remove the WWAN card .
9. Remove the memory module .
10. Remove the assembly inner frame .
11. Remove the system board .
Ta bort och installera komponenter 49