Acer Extensa 4120 Service Manual page 139

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location 6
Intermittent Problems
inverter board
part number 89, 98
removing 59
IR port
compatibility test 114
location 6
K
Kensington lock hatch
119
Keyboard
keyboard
cable connector 84
cable, disconnecting 43
features 2
location 5
part number 92, 101
removing 42
troubleshooting 66
L
launch board
part number 89, 98
launch button
configuring 25
Launch Manager
LCD bezel
removing 58
LCD brackets
part number 94, 103
removing 62
LCD hinges
part number 94, 103
removing 60
LCD module
disassembling 57
removing 43
LCD module disassembly
CCD board 63
flowchart 57
inverter board 59
LCD bezel 58
LCD brackets 62
LCD hinges 60
Index
80
7
25
LCD panel 60
LCD-CCD cable 61
microphone 63
WLAN antennas 64
LCD panel
part number 93, 102
removing 60
LCD-CCD cable
part number 90, 99
removing 61
system board connector 84
LED board
removing 49
6
line-in jack
lower case
part number 95, 104
lower case cover
part number 95, 104
removing 32
M
main unit disassembly
Bluetooth board 53
card reader board 52
DIMM 32
fingerprint board 50
flowchart 41
keyboard 42
LCD module 43
LED board 49
middle cover 42
modem board 55
speakers 55
system board 54
touchpad board 50
upper case 47
memory
check size 17
DIMM slots 85
part number 95, 104
removing DIMM 32
troubleshooting 67
microphone
cable connector 84
line-in jack 6
location 5
129

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