Owners Manual
Table Of Contents
- Latitude 7220 Rugged Extreme Tablet 5G Service Manual
- Contents
- Working on your tablet
- Removing and installing components
- Recommended tools
- Screw list
- Major components of your system
- Batteries
- Subscriber Identification Module (SIM) card
- Stylus
- Display assembly
- Function keys
- SSD Heat-sink
- System fan
- Solid-state drive
- WLAN card
- WWAN card
- Microphone
- Front camera
- Coin-cell battery
- System board
- Rear Camera
- Micro serial port and power connector port
- Docking Board
- Smart card reader and wireless passthrough daughterboard
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
2. Coin-cell battery
3. WLAN card
4. WWAN card
5. Heat-sink
6. USB Type-C bracket
7. Mini-serial bracket
8. Power adapter port
9. Mini-serial port
10. System board
11. NFC antenna
12. Left battery (as viewed from the back)
13. Right battery (as viewed from the back)
14. Microphone assembly circuit board
15. System fan
16. Solid-state drive
17. Front camera cable
18. Front camera cover
NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These
parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for
purchase options.
Batteries
Lithium-ion battery precautions
CAUTION:
● Exercise caution when handling Lithium-ion batteries.
● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
● Do not expose the battery to high temperatures, or disassemble battery packs and cells.
● Do not apply pressure to the surface of the battery.
● Do not bend the battery.
● Do not use tools of any kind to pry on or against the battery.
● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental
puncture or damage to the battery and other system components.
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing,
bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical
support for assistance. See www.dell.com/contactdell.
● Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers.
Removing the batteries
Prerequisites
1. Follow the procedure in before working inside your tablet.
NOTE:
This tablet can accommodate two hot-swap capable batteries (Primary and optional). The removal procedure of the
primary and optional battery are identical.
Removing and installing components 13