Audio
Type
four-channel high definition audio
Controller
IDT 92HD90
Stereo conversion
24-bit (analog-to-digital and digital-to-analog)
Interface:
Internal
high definition audio
External
microphone-in/stereo headphones/external
speakers connector
Speakers
two
Internal speaker amplifier
0.5 W (typical) per channel
Volume controls
keyboard function keys and program menus
Video
Video type
•
integrated on system board
•
discrete
Data bus:
UMA
integrated video
Discrete
•
PCI-E x16 Gen1
•
PCI-E x16 Gen2
Controller:
UMA
Latitude E6420
Intel HD Graphics
Latitude E6420 ATG
Intel HD Graphics 3000
Discrete
NVIDIA NVS 4200M Discrete Graphics (512
MB DDR3)
Communications
Network adapter
10/100/1000 Mbps Ethernet LAN
122
Summary of Contents for Latitude E6420
Page 8: ...8 ...
Page 20: ...20 ...
Page 26: ...26 ...
Page 38: ...9 Slide and remove the WLAN card out from its slot on the system board 38 ...
Page 40: ...40 ...
Page 42: ...9 Slide the WWAN card from its connector and remove it from the computer 42 ...
Page 44: ...44 ...
Page 50: ...50 ...
Page 52: ...10 Disconnect the bluetooth cable 52 ...
Page 54: ...54 ...
Page 59: ...9 Remove the tape securing the keyboard cable from the keyboard 10 Unlock the cable holder 59 ...
Page 64: ...64 ...
Page 70: ...13 Remove the Smart Card Reader from the computer 70 ...
Page 72: ...72 ...
Page 74: ...16 Remove the media board from the computer 74 ...
Page 76: ...76 ...
Page 80: ...22 Remove the screws from the video cable holder 23 Remove the video cable holder 80 ...
Page 83: ...29 Slide to unlock system board from the port connectors 30 Remove the system board 83 ...
Page 86: ...23 Unthread the speaker cable 24 Remove the speaker from the system 86 ...
Page 88: ...88 ...
Page 90: ...24 Unthread the video and wireless antenna cables 25 Unthread the modem cable 90 ...
Page 92: ...29 Remove the whole modem cable assembly by pulling it out from the base 92 ...
Page 94: ...94 ...
Page 96: ...22 Remove the I O board from the computer 96 ...
Page 98: ...98 ...
Page 100: ...23 Remove the DC in bracket 24 Remove the DC in cable from the system 100 ...
Page 101: ...25 Push in the DC in trim and remove it from the system 101 ...
Page 105: ...105 ...
Page 109: ...109 ...
Page 116: ...116 ...
Page 118: ...118 ...
Page 128: ...128 ...
Page 144: ...144 ...