Lenovo ThinkPad T420 Hardware Maintenance Manual - Page 146

Lenovo ThinkPad T420 Manual

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Table 9. Parts list-Overall (continued) No. FRU (Overall) FRU no. 8 Travel Bezel • 4177-CTO • 4178-CTO • 4179-CTO • 4180-CTO, LPx, LQx • 4236-CTO, NEx, NDx • 4237-CTO • 4238-CTO 60Y5512 9 Audio sub card • 4177-CTO • 4178-CTO • 4179-CTO • 4180-CTO • 4236-CTO • 4237-CTO • 4238-CTO 04W1623 10 Audio sub card cable • 4177-CTO • 4178-CTO • 4179-CTO • 4180-CTO • 4236-CTO • 4237-CTO • 4238-CTO 04W1624 11 DC-in cable 04W1635 12 I/O sub card (USB only) 04W1630 • 4177-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Jx, 2Xx, 32x, 33x, 34x, 36x, 37x, GFx, GKx, GLx, GMx, Q2x, Q4x, Q5x, QGx, QJx, QKx, QLx, QPx, QQx, QRx, QSx, QTx, QUx, QVx, QWx, QXx, QYx, QZx, R2x, R3x, R5x, R6x, R7x, R9x, RBx, RCx, RFx, RGx, RHx, RJx, RNx, RPx, RVx, RYx, RZx • 4178-CTO, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Fx, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5Sx, 5Tx, 5Ux, 5Vx, 5Wx, 5Xx, 5Yx, 5Zx, 66x, 67x, 68x, 69x, 6Ax, 6Hx, 6Jx, 6Kx, 6Lx, 6Qx, 6Rx, 6Sx, 6Tx, 6Xx, 6Yx, 6Zx, 82x, 83x, 84x, 92x, 93x, 94x, 95x, 96x, 97x, 98x, 99x, 9Ax, 9Bx, 9Cx, 9Dx, 9Ex, 9Px, 9Qx, 9Rx, A5x, A6x, A7x, AAx, ABx, ACx, AGx, AHx, AJx, AKx, ALx, AMx, ANx, APx, AQx, ARx, ASx, AUx, AVx, B5x, B6x, B7x, B8x, B9x, BAx, BBx, BCx, BDx, BEx, BFx, BHx, BJx, BMx, BNx, BPx, BQx, BRx, BUx, BVx, BWx, BXx, BYx, BZx, C2x, C3x, C4x, CBx, CCx, CDx, CHx, CJx, CRx, CSx, CUx, CZx, D2x, D3x, D4x, D5x, D6x, D8x, D9x, DAx, DBx, DCx, DDx, DEx, DFx, DGx, DHx, DKx, DMx, DNx, DPx, DQx • 4179-CTO, G2x, G3x, G4x, G5x, G6x, G7x, G8x, G9x, GCx, GDx, GGx, GHx, GJx, GMx, GNx, GPx, GQx, GRx, GSx, GTx, GUx, GVx, GWx, GXx • 4180-CTO, J2x, J3x, J4x, K2x, K3x, K4x, K5x, K6x, K7x, K8x, K9x, KAx, KBx, KCx, KDx, KEx, KFx, KGx, KHx, KJx, KKx, KLx, KMx, KNx, KPx, KQx, KRx, KSx, KTx, KUx, KVx, KWx, KXx, KYx, KZx, L2x, L3x, L4x, L5x, L6x, L7x, L8x, L9x, LAx, LBx, LCx, LDx, LEx, LFx, LGx, LHx, LJx, LKx, LLx, LMx, LNx, LPx, LQx, LRx, LSx, LTx, LUx, LVx, LWx, LXx, LYx, LZx, M2x, M3x, M4x, M5x, M6x, M7x, M8x, M9x, MAx, MBx, MCx, MDx, MEx, MFx, MGx, MLx, MPx, MQx, MRx, MSx, MTx, MUx, MVx, MWx, MXx, MYx, MZx, N2x, N3x, N4x, N5x, N6x, N7x, N8x, N9x, NAx, NBx, NCx, NFx, PAx, PDx, PEx, PFx, PGx, PHx, PJx, PKx, PLx, PMx, PNx, PPx, PQx, PSx, PTx, PXx, Q2x, Q3x, Q4x, Q5x, Q6x, Q7x, Q8x, Q9x, QAx, QCx, QFx • 4236-CTO, MBx, N2x, N3x, N4x, N5x, N6x, N7x, N8x, N9x, NAx, NBx, NCx, NDx, NEx, NFx, NGx, NHx, NKx, NLx, NMx, NNx, NPx, NQx, NRx, NSx, NTx, CRU ID * N N N N 140 ThinkPad T420 and T420i Hardware Maintenance Manual

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Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
FRU no.
CRU ID
8
Travel Bezel
•
4177-CTO
•
4178-CTO
•
4179-CTO
•
4180-CTO, LPx, LQx
•
4236-CTO, NEx, NDx
•
4237-CTO
•
4238-CTO
60Y5512
*
9
Audio sub card
•
4177-CTO
•
4178-CTO
•
4179-CTO
•
4180-CTO
•
4236-CTO
•
4237-CTO
•
4238-CTO
04W1623
N
10
Audio sub card cable
•
4177-CTO
•
4178-CTO
•
4179-CTO
•
4180-CTO
•
4236-CTO
•
4237-CTO
•
4238-CTO
04W1624
N
11
DC-in cable
04W1635
N
12
I/O sub card (USB only)
•
4177-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex,
2Jx, 2Xx, 32x, 33x, 34x, 36x, 37x, GFx, GKx, GLx, GMx, Q2x, Q4x, Q5x, QGx,
QJx, QKx, QLx, QPx, QQx, QRx, QSx, QTx, QUx, QVx, QWx, QXx, QYx, QZx,
R2x, R3x, R5x, R6x, R7x, R9x, RBx, RCx, RFx, RGx, RHx, RJx, RNx, RPx,
RVx, RYx, RZx
•
4178-CTO, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex,
5Fx, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5Sx, 5Tx, 5Ux, 5Vx,
5Wx, 5Xx, 5Yx, 5Zx, 66x, 67x, 68x, 69x, 6Ax, 6Hx, 6Jx, 6Kx, 6Lx, 6Qx, 6Rx,
6Sx, 6Tx, 6Xx, 6Yx, 6Zx, 82x, 83x, 84x, 92x, 93x, 94x, 95x, 96x, 97x, 98x, 99x,
9Ax, 9Bx, 9Cx, 9Dx, 9Ex, 9Px, 9Qx, 9Rx, A5x, A6x, A7x, AAx, ABx, ACx, AGx,
AHx, AJx, AKx, ALx, AMx, ANx, APx, AQx, ARx, ASx, AUx, AVx, B5x, B6x, B7x,
B8x, B9x, BAx, BBx, BCx, BDx, BEx, BFx, BHx, BJx, BMx, BNx, BPx, BQx,
BRx, BUx, BVx, BWx, BXx, BYx, BZx, C2x, C3x, C4x, CBx, CCx, CDx, CHx,
CJx, CRx, CSx, CUx, CZx, D2x, D3x, D4x, D5x, D6x, D8x, D9x, DAx, DBx, DCx,
DDx, DEx, DFx, DGx, DHx, DKx, DMx, DNx, DPx, DQx
•
4179-CTO, G2x, G3x, G4x, G5x, G6x, G7x, G8x, G9x, GCx, GDx, GGx, GHx,
GJx, GMx, GNx, GPx, GQx, GRx, GSx, GTx, GUx, GVx, GWx, GXx
•
4180-CTO, J2x, J3x, J4x, K2x, K3x, K4x, K5x, K6x, K7x, K8x, K9x, KAx, KBx,
KCx, KDx, KEx, KFx, KGx, KHx, KJx, KKx, KLx, KMx, KNx, KPx, KQx, KRx,
KSx, KTx, KUx, KVx, KWx, KXx, KYx, KZx, L2x, L3x, L4x, L5x, L6x, L7x, L8x,
L9x, LAx, LBx, LCx, LDx, LEx, LFx, LGx, LHx, LJx, LKx, LLx, LMx, LNx, LPx,
LQx, LRx, LSx, LTx, LUx, LVx, LWx, LXx, LYx, LZx, M2x, M3x, M4x, M5x, M6x,
M7x, M8x, M9x, MAx, MBx, MCx, MDx, MEx, MFx, MGx, MLx, MPx, MQx,
MRx, MSx, MTx, MUx, MVx, MWx, MXx, MYx, MZx, N2x, N3x, N4x, N5x, N6x,
N7x, N8x, N9x, NAx, NBx, NCx, NFx, PAx, PDx, PEx, PFx, PGx, PHx, PJx, PKx,
PLx, PMx, PNx, PPx, PQx, PSx, PTx, PXx, Q2x, Q3x, Q4x, Q5x, Q6x, Q7x, Q8x,
Q9x, QAx, QCx, QFx
•
4236-CTO, MBx, N2x, N3x, N4x, N5x, N6x, N7x, N8x, N9x, NAx, NBx, NCx,
NDx, NEx, NFx, NGx, NHx, NKx, NLx, NMx, NNx, NPx, NQx, NRx, NSx, NTx,
04W1630
N
140
ThinkPad T420 and T420i Hardware Maintenance Manual