Dell Latitude 7389 - Page 4

Installing the smart card cage.................................................................................................................................. 22
Heat Sink...........................................................................................................................................................................22
Removing heat sink assembly...................................................................................................................................22
Installing heat sink assembly.....................................................................................................................................23
Display Assembly..............................................................................................................................................................23
Removing the display assembly................................................................................................................................23
Installing the display assembly..................................................................................................................................26
System Board................................................................................................................................................................... 26
Removing system board............................................................................................................................................ 27
Installing system board..............................................................................................................................................29
Real time clock (RTC)..................................................................................................................................................... 29
Removing the real time clock (RTC)....................................................................................................................... 30
Installing real time clock (RTC)................................................................................................................................ 30
Keyboard............................................................................................................................................................................31
Removing keyboard assembly...................................................................................................................................31
Removing keyboard from the keyboard tray.......................................................................................................... 32
Installing keyboard to the keyboard tray................................................................................................................. 33
Installing keyboard assembly.....................................................................................................................................33
Palmrest............................................................................................................................................................................ 34
Replacing palm rest .................................................................................................................................................. 34
3 Technology and components........................................................................................................................36
USB features.................................................................................................................................................................... 36
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)...........................................................................................................36
Speed.......................................................................................................................................................................... 36
Applications.................................................................................................................................................................37
Compatibility...............................................................................................................................................................38
HDMI 1.4............................................................................................................................................................................38
HDMI 1.4 Features......................................................................................................................................................38
Advantages of HDMI................................................................................................................................................. 38
4 System specications..................................................................................................................................40
System specications......................................................................................................................................................40
Processor specications................................................................................................................................................. 40
Display specications....................................................................................................................................................... 41
Memory .............................................................................................................................................................................41
Video specications..........................................................................................................................................................41
Audio specications..........................................................................................................................................................41
Storage options................................................................................................................................................................ 42
Communication specications........................................................................................................................................42
Near eld communication (NFC) specications.......................................................................................................... 42
Fingerprint reader specications....................................................................................................................................42
Ports and connector specications............................................................................................................................... 43
Touchpad specications.................................................................................................................................................. 43
Camera specications..................................................................................................................................................... 43
IR camera specications................................................................................................................................................. 44
AC adapter specications............................................................................................................................................... 44
4
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