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Table9.Partslist—Overall(continued)
No.
FRU(Overall)
FRUno.
CRUID
22
CPUassembly,i7-2620M(2.70GHz)
•4177-CTO,2Hx,2Jx,Q7x,QAx,QBx,QFx
•4178-CTO,5Xx,5Yx,67x,6Ax,6Gx,6Wx,99x,9Mx,9Sx,A4x,AEx,AFx,AWx,
AXx,AYx
•4179-CTO,GRx
•4180-CTO,J2x,K8x,KCx,KFx,KMx,KRx,L2x,LAx,LBx,PEx,PJx,PQx,
PXx,Q5x,Q6x
•4236-CTO,N4x,NDx,NEx,NFx,NGx,NPx,NQx,NRx,NVx,NWx,P2x,P9x,
PEx,PKx
•4237-CTO
•4238-CTO
04W0494N
22
CPUassembly,i3-2310M(2.10GHz)
•4177-CTO,22x,23x,24x,26x,28x,29x,2Ax,2Bx,2Dx,2Ex,2Qx,2Rx,2Sx,
2Tx,2Ux,2Xx,2Yx,QCx,QDx,QGx,QMx,QTx,QUx
•4178-CTO,5Cx,5Dx,5Gx,5Hx,5Jx,5Kx,5Lx,5Mx,6Bx,6Cx,6Hx,6Jx,6Mx,
6Nx,6Tx,84x,98x,9Fx,9Gx,9Hx,9Nx,9Ux,9Vx,A5x,A6x,A7x,ADx,AGx,
AJx,AKx,AUx,AVx
•4179-CTO,G5x,G6x,G8x,G9x,GCx,GDx
•4180-CTO,LRx,LSx,MAx,MTx,MUx,MVx,MWx,MXx
•4236-CTO,NLx,NXx,NYx
•4237-CTO
•4238-CTO
04W0495N
22
CPUassembly,IntelDualCorei3-2330M(2.20GHz)
•4177-CTO,QVx,QWx,QXx,R9x,RBx,RCx,RDx
•4178-CTO,AZx,B2x,B3x,B4x,BGx,BKx,BPx,BQx,BRx,BWx,BXx,CDx
•4179-CTO,GGx,GHx,GJx,GMx
•4180-CTO
•4236-CTO,PSx,PTx
•4237-CTO
•4238-CTO
04W1891N
22
CPUassembly,i5-2410M(2.30GHz)
•4177-CTO,25x,27x,2Cx,2Kx,2Lx,2Mx,2Vx,2Wx,QEx,QHx,QJx,QKx,QPx
•4178-CTO,53x,5Nx,5Px,5Qx,5Rx,5Sx,5Tx,5Ux,66x,69x,6Dx,6Ex,6Kx,
6Lx,6Sx,82x,83x,92x,93x,94x,95x,96x,97x,9Dx,9Ex,9Jx,9Rx,9Xx,
9Yx,9Zx,A2x,A8x,AHx,AMx
•4179-CTO,G7x
•4180-CTO,J4x,LTx,M3x,N3x,N4x,N5x,NCx
•4236-CTO,NKx,P6x,P7x,P8x
•4237-CTO
•4238-CTO
04W0496N
22
CPUassembly,IntelDualCorei5-2430M(2.40GHz)
•4177-CTO,QYx,QZx,R3x,R4x,R8x,RAx,RFx,RPx,RXx
•4178-CTO,B5x,B6x,B7x,B8x,B9x,BDx,BFx,BHx,BJx,BMx,BSx,BTx,
BUx,BVx,BYx,BZx,C2x,C3x,C4x,CBx,CCx
•4179-CTO
•4180-CTO,PKx,PLx,PMx,PNx,PPx,PQx
•4236-CTO,PHx,PJx,PPx,PQx,PUx,PVx,PWx
•4237-CTO
•4238-CTO
04W1893N
Chapter10.Partslist145
- 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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