Service manual

Dell
™
Latitude™ E6420 XFR Service Manual
Page 17
8. Gently lift the lower-left corner of the RF Passthru board, and remove the RF Passthru board by sliding it out
of the chassis socket.
6.2 Replacing the RF Passthru Board
1. Slide the RF Passthru into the chassis socket as shown.
2. Replace and tighten the M2 x 3-mm screw highlighted in the figure above.
3. Connect the antenna connections to the RF Passthru board.
4. Connect the antenna connections from the RF Passthru board to the GPS module (if present), WWAN card (if
present), and WLAN card (if present). Refer to figure above for connection locations.
5. Replace the bottom access panel (see Replacing the Bottom Access Panel).
6. Follow the procedures in
After Working on Your Computer.
Close up reference of WLAN/WWAN/RF-Passthrough