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Lenovo T420 User Manual

Page 140

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Table 9. Parts list—Overall (continued)

No.

FRU (Overall)

FRU no.

CRU ID

N9x, NAx, NBx, NFx, PAx, PBx, PCx, PFx, PGx, PHx, PKx, PLx, PMx, PNx,
PPx, PQx, PRx, PSx, PTx, PUx, PVx, PWx, PXx, PYx, PZx, Q3x, Q4x, Q5x,
Q6x, Q7x, Q8x, Q9x

• 4236-CTO, 63x, MBx, N2x, N3x, N4x, N5x, N8x, N9x, NAx, NBx, NCx, NDx,

NEx, NFx, NGx, NHx, NKx, NLx, NMx, NNx, NPx, NQx, NRx, NSx, NTx, NUx,
NVx, NWx, NXx, NYx, P2x, P3x, P4x, P5x, P6x, P7x, P8x, P9x, PAx, PBx, PCx,
PDx, PEx, PFx, PGx, PHx, PJx, PKx, PLx, PMx, PNx, PPx, PQx, PRx, PSx,
PTx, PUx, PVx, PWx, PXx, PYx

• 4237-CTO
• 4238-CTO

4

Keyboard bezel assembly without fingerprint reader
• 4177-CTO, 25x, 26x, 28x, Q5x, QDx, QFx, QGx, QJx, QKx, QLx, QMx, QSx,

R2x, R3x, RVx

• 4178-CTO, 56x, 57x, 58x, 59x, 9Fx, 9Gx, 9Hx, 9Nx, 9Rx, A5x, A6x, A7x, AAx,

ACx, AQx, ARx, BVx, BWx, BXx

• 4179-CTO, G2x, GEx
• 4180-CTO, 62x, 64x, LEx, LFx, LGx, LHx, LJx, LKx, LLx, LMx, M9x, MLx, NCx,

NDx, NEx, PDx, PEx, PJx, Q2x

• 4236-CTO, 62x, 64x, 65x, N6x, N7x
• 4237-CTO
• 4238-CTO

04W1372

N

5

Modem daughter card (MDC)
• 4177-CTO, 22x, 23x, 24x, 25x, 29x, 2Ax, 2Bx, 2Cx, 2Ex, 2Jx, 2Xx, 36x, GFx,

GKx, GLx, GMx, Q4x, Q7x, QAx, QCx, QPx, QQx, QRx, QSx, R9x, RBx, RCx,
RFx

• 4178-CTO, 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, A5x, A6x, A7x, AJx,
AKx, AQx, ARx, BDx, BEx, BFx, BHx, BJx, BMx, BNx, BPx, BQx, BRx, BUx,
BVx, BWx, BXx, BYx, BZx, C2x, C3x, C4x, CBx

• 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, LYx, LZx, M2x, M3x, M4x, M5x, M6x, M9x, MAx, MBx,
MCx, MDx, MEx, MFx, MGx, MQx, MRx, MSx, MTx, MUx, MVx, MWx, MXx,
MZx, N2x, N3x, N4x, N5x, N6x, N7x, N8x, N9x, NAx, NCx, NFx, PDx, PKx, PLx,
PMx, PNx, PPx, PQx, PSx, PXx, Q3x, Q6x, Q7x, Q8x, Q9x

• 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,
NWx, NXx, NYx, P2x, P3x, P4x, P5x, P6x, P8x, P9x, PBx, PCx, PDx, PEx,
PHx, PJx

• 4237-CTO
• 4238-CTO

60Y3207

N

6

Speaker assembly

04W1633
04W1634

N

7

Magnesium structure frame assembly

04W1629

N

134

ThinkPad T420 and T420i Hardware Maintenance Manual

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