Dell Latitude 7230 Rugged Extreme Tablet Service Manual - Page 78

for models shipped with WWAN antennas., for the models shipped with a handle.

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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 assembly. 3. Install the front camera and microphone assembly. 4. Install the scanner assembly. 5. Install the heat sink. 6. Install the world-facing camera. 7. Install the USB daughter-board, Mini-serial RS232 daughter-board, RJ45 daughter-board, and decoder daughter-board. 8. Install the USB-port assembly, Mini-serial RS232 port assembly, RJ45-port assembly, or blank top-cover. 9. Install the USB/HDMI port. 10. Install the I/O daughter-board. 11. Install the WWAN card (for models shipped WWAN card). 12. Install the wireless card. 13. Install the M.2 2230 solid-state drive. 14. Install the back-cover assembly. 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 after working inside your tablet. 78 Removing and installing components

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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 assembly
.
3.
Install the
front camera and microphone assembly
.
4.
Install the
scanner assembly
.
5.
Install the
heat sink
.
6.
Install the
world-facing camera
.
7.
Install the
USB daughter-board
,
Mini-serial RS232 daughter-board
,
RJ45 daughter-board
, and
decoder daughter-board
.
8.
Install the
USB-port assembly
,
Mini-serial RS232 port assembly
,
RJ45-port assembly
, or
blank top-cover
.
9.
Install the
USB/HDMI port
.
10.
Install the
I/O daughter-board
.
11.
Install the
WWAN card
(for models shipped WWAN card).
12.
Install the
wireless card
.
13.
Install the
M.2 2230 solid-state drive
.
14.
Install the
back-cover assembly
.
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
after working inside your tablet
.
78
Removing and installing components