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Table9.Partslist—Overall(continued)
No.
FRU(Overall)
FRUno.
CRUID
17
IntegratedChinaTelecomMobileBroadband(HuaweiEM660)
•4177-CTO
•4178-CTO
•4179-CTO
•4180-CTO
•4236-CTO
•4237-CTO
•4238-CTO
60Y3239**
—
mSATASolidaStateDrive
•4177-CTO,Q3x,QAx,QCx
•4178-CTO,5Ux,67x,68x,6Ax,9Cx,A8x,A9x,AXx
•4179-CTO
•4180-CTO,M6x,PYx
•4236-CTO
•4237-CTO
•4238-CTO
45N8259**
18HDDrubberrails41V9756**
18
HDDrubberrails(7.0mm-highHDDrubberrailsfor9.5mm-highbay)
04W1640**
18
SSDspacers
•4177-CTO
•4178-CTO
•4179-CTO
•4180-CTO
•4236-CTO
•4237-CTO
•4238-CTO
04W1641**
19
SATAharddiskdrive,250GB,5,400rpm
•4177-CTO,26x,GKx,QAx,QCx
•4178-CTO,6Tx,AJx
•4179-CTO
•4180-CTO,K3x,K4x,KQx,MFx,MVx,MWx,PDx
•4236-CTO,N5x,P4x
•4237-CTO
•4238-CTO
45N7217
45N7229
45N7305
45N7285
42T1153
42T1167
**
19
SATAharddiskdrive,320GB,5,400rpm
•4177-CTO,22x,25x,28x,2Dx,2Ex,GLx,GMx,QDx,QNx,QQx,QRx,QSx,
QUx,R7x,RNx
•4178-CTO,5Ax,5Bx,5Cx,5Dx,9Vx,AAx,ABx,AGx,AQx,ARx,CDx
•4179-CTO,G2x,G4x,G5x,G6x,G7x,G8x,G9x
•4180-CTO,KWx,LEx,LNx,LUx,M7x,MAx,PJx,Q2x
•4236-CTO,N2x,N6x,NCx,NXx,NYx,PCx,PDx,PEx
•4237-CTO
•4238-CTO
45N7219
45N7297
45N7315
45N7307
45N7287
42T1155
**
19
SATAharddiskdrive,500GB,5,400rpm
•4177-CTO
•4178-CTO
•4179-CTO
•4180-CTO
•4236-CTO
•4237-CTO
•4238-CTO
45N7221
45N7309
**
140ThinkPadT420andT420iHardwareMaintenanceManual
- ThinkPadT420andT420i 1
- HardwareMaintenanceManual 1
- FourthEdition(November2011) 2
- ©CopyrightLenovo2011 2
- Contents 3
- Chapter9.Locations........125 4
- AppendixA.Notices.........167 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Electricalsafety 8
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- Chapter1.Safetyinformation11 17
- .Safetyinformation13 19
- .Safetyinformation15 21
- Chapter1.Safetyinformation17 23
- .Safetyinformation19 25
- .Safetyinformation21 27
- StrategyforreplacingFRUs 29
- Howtouseerrormessage 30
- Productdenition 31
- Chapter3.Generalcheckout 33
- Whattodorst 34
- Checkoutguide 35
- LenovoThinkVantageT oolbox 37
- FRUtests 39
- Powersystemcheckout 40
- Checkingtheacpoweradapter 40
- Checkingoperationalcharging 40
- Checkingthebatterypack 41
- Checkingthebackupbattery 41
- Voltage(Vdc) 42
- Red+2.5to+3.2 42
- Passwords 44
- Power-onpassword 44
- Hard-diskpassword 44
- Supervisorpassword 45
- Powermanagement 47
- Screenblankmode 47
- Sleep(standby)mode 47
- Hibernationmode 47
- Symptom-to-FRUindex 49
- Numericerrorcodes 49
- Errormessages 51
- Beepsymptoms 52
- No-beepsymptoms 52
- LCD-relatedsymptoms 52
- .Relatedserviceinformation47 53
- Intermittentproblems 54
- Undeterminedproblems 54
- Chapter5.Statusindicators 55
- .Statusindicators51 57
- Chapter6.Fnkeycombinations 59
- .Fnkeycombinations55 61
- Screwnotices 63
- Retainingserialnumbers 64
- RetainingtheUUID 65
- 1010Batterypack 69
- 1020ExpressCardblankbezel 70
- 3tocompletelyremoveit 71
- Capturescrew(1) 72
- 1050DIMMslotcover 75
- 1080Keyboard 79
- Installationstepsofkeyboard 80
- 1.Attachthekeyboardconnector 80
- .RemovingandreplacingaFRU75 81
- 1100Backupbattery 85
- .RemovingandreplacingaFRU85 91
- .RemovingandreplacingaFRU87 93
- 1130SmartCard 94
- 1140Modemdaughtercard(MDC) 96
- 1150Speakerassembly 97
- 1160LCDunit 99
- StepScrew(quantity)Color 100
- Black0.181Nm 100
- (1.85kgfcm) 100
- Black0.392Nm 101
- (4.0kgfcm) 101
- 1170Fanassembly 103
- 3tosecuretheCPU 107
- .RemovingandreplacingaFRU103 109
- 1200Magnesiumstructureframe 112
- .RemovingandreplacingaFRU107 113
- 1220mSATAsolidstatedrive 116
- .RemovingandreplacingaFRU111 117
- 2010LCDbezelassembly 118
- 2020LEDboard 119
- 2030Integratedcamera 121
- 2040LCDpanelandLCDcable 123
- 2050Cameracable 125
- .RemovingandreplacingaFRU121 127
- .RemovingandreplacingaFRU123 129
- Chapter9.Locations 131
- Rearview 133
- Bottomview 134
- Chapter10.Partslist 135
- .Partslist131 137
- .Partslist133 139
- .Partslist135 141
- .Partslist137 143
- .Partslist139 145
- .Partslist141 147
- .Partslist143 149
- .Partslist145 151
- .Partslist147 153
- .Partslist149 155
- .Partslist151 157
- .Partslist153 159
- Keyboard 160
- .Partslist155 161
- Miscellaneousparts 162
- .Partslist157 163
- Powercords 165
- Recoverydiscs 166
- Chapter10.Partslist161 167
- Chapter10.Partslist163 169
- Chapter10.Partslist165 171
- Commonservicetools 172
- AppendixA.Notices 173
- Electronicemissionsnotices 174
- Trademarks 175
- *0A60007_03* 178
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