Lenovo T420 User Manual
Page 144
Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
FRU no.
CRU ID
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, MBx, MCx, MDx, MEx, MGx, MHx, MJx, MKx,
MLx, MNx, MPx, MQx, MRx, MSx, MTx, MUx, MVx, MWx, MXx, MYx, MZx,
N2x, N3x, N4x, N5x, N6x, N7x, N8x, NBx, NCx, NDx, NEx, NFx, PAx, PBx, PCx,
PDx, PEx, PFx, PGx, PHx, PKx, PLx, PMx, PNx, PPx, PQx, PTx, PUx, PVx,
PWx, PXx, PYx, PZx, Q2x, Q3x, Q6x, Q7x, Q8x, Q9x
• 4236-CTO, 62x, 63x, 64x, 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, NUx, NWx, NXx, NYx, P3x, P4x, P5x, P6x, P7x, P8x, P9x, PAx,
PBx, PCx, PDx, PEx, PGx, PHx, PJx, PLx, PMx, PPx, PQx, PSx, PTx, PUx,
PVx, PWx, PXx, PYx
• 4237-CTO
• 4238-CTO
13
Battery pack, Li-ion (6-cell) 26+
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
42T4817
42T4819
*
13
Battery pack, Li-ion (9-cell) 55++
• 4177-CTO, Q3x, Q4x, Q7x, QBx, QFx
• 4178-CTO, 58x, 6Px, 6Vx, 6Wx, A4x, C5x, C6x, CAx
• 4179-CTO
• 4180-CTO, 65x, KZx, MAx, MFx, MMx, N9x, NAx, PRx, PSx, Q4x, Q5x
• 4236-CTO, 65x, NVx, P2x, PFx, PKx, PNx, PRx
• 4237-CTO
• 4238-CTO
42T4799
42T4801
42T4912
*
14
Base cover assembly
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
04W1626
N
14
Base cover assembly (Taiwan 90 W)
• 4177-CTO, RRx, RSx, RTx, RUx
• 4178-CTO, 5Fx, 5Hx, 9Hx, 9Jx, 9Kx, 9Lx, 9Mx, 9Nx, A5x, A6x, A7x, BUx, BVx,
BXx, CKx, CLx, CMx, CNx, CPx, CQx
• 4179-CTO
• 4180-CTO, 64x, 65x, MMx
• 4236-CTO, 64x, 65x, NVx, PRx
• 4237-CTO
• 4238-CTO
04W1627
N
14
Base cover assembly (Taiwan 65 W)
• 4177-CTO, QMx
• 4178-CTO, 5Bx, 5Dx, 5Kx, 66x, 67x, 68x, 9Fx, 9Gx, BWx
• 4179-CTO
• 4180-CTO, 62x, 63x, MBx, MNx, PAx
• 4236-CTO, 62x, 63x, MBx, NHx, NUx, PAx
• 4237-CTO
• 4238-CTO
04W1628
N
138
ThinkPad T420 and T420i Hardware Maintenance Manual