Installing The System Board - Dell XPS 14 9440 Owner's Manual

8. Open the latch of the haptic-module cable and use the pull tab to disconnect the haptic-module cable from the haptic-
module cable connector (JTP1) on the system board.
9. Use the pull tab to disconnect the right-speaker cable from the right-speaker cable connector (JSPK1) on the system board.
10. Remove the 11 screws (M1.6x3.5) that secure the system board to the palm-rest assembly.
11. Hold the system board by the short edges, and lift the board off the palm-rest assembly with care.

Installing the system board

CAUTION: The information in this installation section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image indicates the connectors and components on your system board.
Figure 34. System-board connectors
1. Touch function row cable connector (JTF1)
3. Integrated wireless card cable connector
5. Left-speaker cable connector (JSPK2)
7. Battery cable connector (BATT)
9. Keyboard-control board cable connector (JIO1)
11. Right-fan cable connector (JFAN1)
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
2. Display-assembly cable connector (JEDP1)
4. Left-fan cable connector (JFAN2)
6. Haptic-module cable connector (JTP1)
8. M.2 solid-state drive slot
10. Right-speaker cable connector (JSPK1)
12. Power-button and fingerprint-reader cable connector (JFP1)
Removing and installing Field Replaceable Units (FRUs) 67