Dell OptiPlex 7480 All-In-One Service Manual page 4

Wireless card........................................................................................................................................................................38
Removing the wireless card......................................................................................................................................... 38
Installing the wireless card............................................................................................................................................39
Camera assembly................................................................................................................................................................. 41
Removing the camera assembly...................................................................................................................................41
Installing the camera assembly.................................................................................................................................... 42
Bottom cover....................................................................................................................................................................... 43
Removing the bottom cover........................................................................................................................................ 43
Installing the bottom cover...........................................................................................................................................44
Power-supply unit............................................................................................................................................................... 45
Removing the power-supply unit (PSU).................................................................................................................... 45
Installing the power-supply unit (PSU)....................................................................................................................... 47
Power-supply fan................................................................................................................................................................ 49
Removing the PSU fan................................................................................................................................................. 49
Installing the PSU fan....................................................................................................................................................50
Heat sink................................................................................................................................................................................51
Removing the heat sink-UMA................................................................................................................................... 51
Installing the heat sink-UMA..................................................................................................................................... 52
Removing the heat sink-discrete..............................................................................................................................53
Installing the heat sink-discrete................................................................................................................................ 54
Processor............................................................................................................................................................................. 55
Removing the processor...............................................................................................................................................55
Installing the processor................................................................................................................................................. 56
Rear-I/O bracket.................................................................................................................................................................58
Removing the rear-I/O bracket...................................................................................................................................58
Installing the rear-I/O bracket..................................................................................................................................... 59
System board........................................................................................................................................................................61
Removing the system board......................................................................................................................................... 61
Installing the system board...........................................................................................................................................65
Speakers............................................................................................................................................................................... 68
Removing the speakers................................................................................................................................................ 68
Installing the speakers...................................................................................................................................................69
Power-button board............................................................................................................................................................70
Removing the power-button board.............................................................................................................................70
Installing the power-button board................................................................................................................................ 71
Microphones.........................................................................................................................................................................72
Removing the microphones..........................................................................................................................................72
Installing the microphones............................................................................................................................................ 73
Side I/O-board..................................................................................................................................................................... 74
Removing the side-I/O board.......................................................................................................................................74
Installing the side-I/O board.........................................................................................................................................75
Audio board.......................................................................................................................................................................... 76
Removing the audio board............................................................................................................................................76
Installing the audio board.............................................................................................................................................. 77
Antennas...............................................................................................................................................................................78
Removing the antenna modules.................................................................................................................................. 78
Installing the antenna modules.....................................................................................................................................79
Display panel.........................................................................................................................................................................80
Removing the display panel..........................................................................................................................................80
Installing the display panel............................................................................................................................................ 82
4 Contents