Dell Latitude 7230 Service Manual page 70

9. Remove the WWAN card
10. Remove the I/O daughter-board.
11. Remove the USB/HDMI
12. Remove the USB-port
13. Remove the USB daughter-board,
14. Remove the world-facing
15. Remove the heat sink.
16. Remove the scanner assembly.
17. Remove the front camera and microphone
18. Remove the fan with SSD heat-sink
About this task
The following image indicates the connectors on your system board.
Figure 1. System board connectors
1. Speaker cable connector
2. RJ-45/Fischer USB 3.0/Mini-serial RS-232 daughter-board connector
3. 1D-2D barcode scanner daughter-board connector
4. World-facing camera cable connector
5. Front-camera cable connector
6. Fan cable connector
7. Function-button cable connector
8. Solid-state drive connector
9. eDP cable connector
10. Battery cable connector
11. Touch-screen cable connector
12. WWAN connector
13. Dock cable connector
14. Wireless cable connector
15. Coin-cell battery cable connector
16. USB/HDMI cable connector
17. I/O daughter-board cable connector
The figure indicates the location of the system board and provides a visual representation of the removal procedure.
70 Removing and installing components
(for models shipped WWAN card).
port.
assembly, Mini-serial RS232 port
Mini-serial RS232
camera.
assembly.
assembly.
assembly, RJ45-port assembly, or
daughter-board, RJ45 daughter-board, and
blank top-cover.
decoder daughter-board.