Dell Chromebook 3100 Service Manual

Installing the system board

About this task

The following image indicates the connectors on your system board.

1. 30-pin FFC Input Output board cable ( 30-pin FPC Input Output board cable for systems enabled with 4G LTE)
2. LTE signal cable (For systems enabled with 4G LTE)
3. Display cable
4. 40-pin FFC Input Output board cable
5. Type-C power cable
6. Touchpad cable
7. Keyboard cable
8. Battery cable
9. Speaker cable

The following images indicate the location of the system board and provide a visual representation of the installation procedure.

NOTE The following image is from 4G LTE enabled systems. For WiFi enabled systems, the system board has a different configuration.

1. Align and place the system board into the chassis.
2. Replace the four screws (M2x4) to secure the system board in place.
3. Replace the Type-C bracket on the chassis.
4. Connect the display cable to the connector on the system board and close the latch.
5. Replace the screw (M2x4) to secure the display cable bracket to the system board.
6. Connect the speaker cable to the connector on the system board.
7. Connect the keyboard FPC cable to the connector on the system board and close the latch.
8. Connect the Type-C power cable to the connector on the system board.
9. Connect the touch pad FPC cable to the connector on the system board and close the latch.
10. Connect the 30-pin FFC and 40-pin FFC Input Output board cables and close the latch to secure them to the system board. Adhere the 30-pin FFC and the 40-pin FFC cables.
11. For systems enabled with 4G LTE, connect the 30-pin FPC and 40-pin FFC system board cables and close the latch to secure them to the system board. Adhere the 30-pin FPC cable with conductive tape and the 40-pin FFC cable.
12. For systems enabled with 4G LTE, connect the LTE signal cable to the connector on the system board.
13. Connect the two antenna cables to the WLAN module.
14. Align and place the WLAN bracket to secure the antenna cables on the WLAN module.
15. Replace the screw (M2x3) to secure the WLAN bracket on the system board.