Lenovo T420i manual Parts list-Overall continued, FRU Overall, FRU no, Cru Id

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		04W1372	N
	• 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
5	Modem daughter card (MDC)		60Y3207	N
	• 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
6	Speaker assembly		04W1633	N
			04W1634
7	Magnesium structure frame assembly		04W1629	N

134ThinkPad T420 and T420i Hardware Maintenance Manual