Dell Latitude 7230 Service Manual page 78

Steps
1. Place the tablet on a flat and clean surface.
2. For models shipped with a Mini-serial RS232 port, replace the four hexagonal Mini-serial RS232 FPC standoff nuts on the
display-panel assembly.
NOTE: The four hexagonal Mini-serial RS232 FPC standoff nuts that are removed from the faulty display-panel
assembly must be replaced in the replacement display-panel assembly.
3. For models shipped with a Mini-serial RS232 port or RJ45 port, align the screw hole on the Mini-serial RS232/RJ45 bezel
with the screw on the display-panel assembly.
4. Replace the single screw (M2x2) to secure the Mini-serial RS232/RJ45 bezel to the display-panel assembly.
Next steps
1. Install the system board.
2. Install the fan with SSD heat-sink
3. Install the front camera and microphone
4. Install the scanner assembly.
5. Install the heat sink.
6. Install the world-facing
7. Install the USB daughter-board,
8. Install the USB-port assembly,
9. Install the USB/HDMI
10. Install the I/O daughter-board.
11. Install the WWAN card
12. Install the wireless card.
13. Install the M.2 2230 solid-state
14. Install the back-cover
15. Install the SIM card (for models shipped with WWAN antennas).
16. Install the batteries.
17. Install the handle (for the models shipped with a handle).
18. Install the stylus.
19. Follow the procedure in
78 Removing and installing components
assembly.
assembly.
camera.
Mini-serial RS232
Mini-serial RS232 port
port.
(for models shipped WWAN card).
drive.
assembly.
after working inside your
daughter-board, RJ45 daughter-board, and
assembly, RJ45-port
tablet.
decoder
assembly, or blank top-cover.
daughter-board.