Dell Latitude 7220 Rugged Extreme Tablet Service Manual - Page 3

Contents 1 Working on your tablet...6 Safety instructions...6 Before working inside your tablet...6 Safety precautions...7 Electrostatic discharge-ESD protection...7 ESD field service kit ...8 Transporting sensitive components...8 After working inside your tablet...9 2 Major components of your system 10 3 Removing and installing components 13 Recommended tools...13 Screw list...13 Batteries...14 Lithium-ion battery precautions...14 Removing the batteries...14 Installing the batteries...15 Subscriber Identification Module (SIM) card...16 Removing the uSIM...16 Inserting the uSIM...17 Stylus...18 Removing the stylus...18 Installing the stylus...19 Display assembly...20 Removing the display assembly...20 Installing the display assembly...23 Function keys...26 Removing the function keys...27 Installing the function keys...28 Heat sink...29 Removing the heat-sink...29 Installing the heat-sink...30 System fan...31 Removing the system fan...31 Installing the system fan...32 Solid-state drive...33 Removing the M.2 2230 solid-state drive...33 Removing the M.2 2280 solid-state drive...33 Installing M.2 2230 solid-state drive...34 Installing the M.2 2280 solid-state drive...34 WLAN card...35 Removing the WLAN card...35 Installing the WLAN card...36 Contents 3