Lenovo T420 User Manual
Page 142
Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
FRU no.
CRU ID
8
Travel Bezel
• 4177-CTO, Q7x, QDx, QFx
• 4178-CTO
• 4179-CTO
• 4180-CTO, LPx, LQx
• 4236-CTO, NDx, NEx
• 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, GFx, GKx, GLx, GMx, Q2x, Q3x, Q4x, Q5x, Q7x,
QAx, QCx, QDx, QFx, 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
• 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
• 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, PAx, PBx, PCx, PDx, PEx,
PFx, PGx, PHx, PJx, PLx, PPx, PQx
• 4237-CTO
• 4238-CTO
04W1630
N
136
ThinkPad T420 and T420i Hardware Maintenance Manual