Dell P138G Service Manual page 4

Speakers.............................................................................................................................................................................. 42
Removing the speakers..............................................................................................................................................42
Installing the speakers................................................................................................................................................ 44
Fan........................................................................................................................................................................................ 45
Removing the fan........................................................................................................................................................ 45
Installing the fan...........................................................................................................................................................47
Heat sink..............................................................................................................................................................................48
Removing the heat sink............................................................................................................................................. 48
Installing the heat sink................................................................................................................................................49
System board..................................................................................................................................................................... 50
Removing the system board.....................................................................................................................................50
Installing the system board....................................................................................................................................... 53
Power-button board......................................................................................................................................................... 57
Removing the power button..................................................................................................................................... 57
Installing the power button....................................................................................................................................... 58
Power button with fingerprint reader (optional).......................................................................................................59
Removing the power button with optional fingerprint reader..........................................................................59
Installing the power button with optional fingerprint reader............................................................................60
Coin-cell battery................................................................................................................................................................ 62
Removing the coin-cell battery................................................................................................................................62
Installing the coin-cell battery.................................................................................................................................. 63
Keyboard assembly........................................................................................................................................................... 64
Removing the keyboard assembly........................................................................................................................... 64
Installing the keyboard assembly............................................................................................................................. 66
Display assembly................................................................................................................................................................69
Removing the display assembly (laptop)............................................................................................................... 69
Installing the display assembly (laptop)..................................................................................................................73
Removing the display assembly (2-in-1).................................................................................................................77
Installing the display assembly (2-in-1).................................................................................................................. 80
Display bezel....................................................................................................................................................................... 84
Removing the display bezel.......................................................................................................................................84
Installing the display bezel.........................................................................................................................................85
Display hinges.....................................................................................................................................................................86
Removing the display hinges.................................................................................................................................... 86
Installing the display hinges.......................................................................................................................................88
Display panel.......................................................................................................................................................................90
Removing the display panel...................................................................................................................................... 90
Installing the display panel.........................................................................................................................................93
eDP cable............................................................................................................................................................................ 96
Removing the eDP cable........................................................................................................................................... 96
Installing the eDP cable..............................................................................................................................................98
Camera.................................................................................................................................................................................99
Removing the camera................................................................................................................................................ 99
Installing the camera................................................................................................................................................. 100
Removing the infrared camera............................................................................................................................... 100
Installing the infrared camera.................................................................................................................................. 101
Display back cover...........................................................................................................................................................102
Removing the display back-cover..........................................................................................................................102
Installing the display back-cover............................................................................................................................ 103
Sensor board.....................................................................................................................................................................104
4 Contents