Lenovo E49 Manuale Utente Scaricare il pdf (Pagina 68)

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Removalstepsofsystemboardassembly

Removethescrews1,andthendetachtheconnectorsasshowninthefollowingillustration.

StepScrew(quantity)Color

Torque

M2×3mm,at-head,nylon-coated(3)

Black

1.85kgfcm

Wheninstalling:Makesurethatalltheconnectorsareattachedrmly.

Removethesystemboardinthedirectionshownbythearrow6.ThendetachtheDC-incable7.

1140LCDunit

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Opticaldrive”onpage44

62HardwareMaintenanceManual

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 97 98

HardwareMaintenanceManual 1
SecondEdition(May2012) 2
Contents 3
Aboutthismanual 5
Chapter1.Safetyinformation 7
Electricalsafety 8
Safetyinspectionguide 9
Groundingrequirements 10
Chapter1.Safetyinformation5 11
6HardwareMaintenanceManual 12
.Safetyinformation7 13
Chapter1.Safetyinformation9 15
VORSICHT 17
.Safetyinformation11 17
12HardwareMaintenanceManual 18
.Safetyinformation13 19
14HardwareMaintenanceManual 20
.Safetyinformation15 21
16HardwareMaintenanceManual 22
.Safetyinformation17 23
18HardwareMaintenanceManual 24
Chapter1.Safetyinformation19 25
20HardwareMaintenanceManual 26
.Safetyinformation21 27
22HardwareMaintenanceManual 28
.Safetyinformation23 29
24HardwareMaintenanceManual 30
.Safetyinformation25 31
26HardwareMaintenanceManual 32
StrategyforreplacingFRUs 33
Currentororiginalpart 34
ReplacementFRU 34
MustbeRoHSMustbeRoHS 34
Chapter3.Generalcheckout 35
Powersystemcheckout 36
Checkingtheacpoweradapter 36
Checkingoperationalcharging 37
Checkingthebatterypack 37
32HardwareMaintenanceManual 38
Recoveringthecomputersettings 39
Passwords 39
Power-onpassword 39
Supervisorpassword 39
Powermanagement 40
Screenblankmode 40
Sleepmode 40
Hibernationmode 40
36HardwareMaintenanceManual 42
Specications 43
Statusindicators 44
Fnkeycombinations 45
40HardwareMaintenanceManual 46
Screwnotices 47
Generalguidelines 49
1010Batterypack 50
1020Opticaldrive 50
StepScrew(quantity)Color 51
1.85kgfcm 51
1030Bottomslotcover 52
1040Memorymodules 52
1050Harddiskdriveassembly 53
48HardwareMaintenanceManual 54
4.0kgfcm 55
1070Thermalfanassembly 57
52HardwareMaintenanceManual 58
1080Microprocessor 59
1090Keyboard 60
Removalstepsofkeyboard 61
Removethescrews1 61
.RemovingandreplacingaFRU55 61
56HardwareMaintenanceManual 62
1100Keyboardbezel 63
Removalstepsofkeyboardbezel 64
Removethescrews4 64
58HardwareMaintenanceManual 64
1110Powerboard 65
1120Backupbattery 66
1130Systemboardassembly 67
1140LCDunit 68
1150DC-incableandbasecover 71
2010LCDfrontbezel 73
RemovalstepsofLCDfrontbezel 74
68HardwareMaintenanceManual 74
2020Integratedcamera 75
Chapter8.Locations 79
Right-sideview 80
Rearview 80
Bottomandleft-sideview 81
76HardwareMaintenanceManual 82
Chapter9.Partslist 83
78HardwareMaintenanceManual 84
.Partslist79 85
80HardwareMaintenanceManual 86
.Partslist81 87
82HardwareMaintenanceManual 88
Keyboard 89
Miscellaneousparts 89
Powercords 90
.Partslist85 91
86HardwareMaintenanceManual 92
.Partslist87 93
88HardwareMaintenanceManual 94
AppendixA.Notices 95
Electronicemissionsnotices 96
Trademarks 96
PartNumber: 98
PrintedinChina 98
(1P)P/N: 98

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Lenovo E49 Manuale Utente Pagina 68

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