Major Frus And Crus - Lenovo ThinkPad S431 Hardware Maintenance Manual

Major FRUs and CRUs

No. Description
1
LCD unit
2
Keyboard and Keyboard bezel assembly
3
Thermal sensor
4
Thermal fan assembly
5
System board
6
Hard disk drive with the bracket or solid-state drive
with the bracket (depending on the model)
7
Audio, HDMI, and USB sub card
8
Media card reader sub card
9
SD dummy card
10
Speaker assembly
11
Battery pack
50
Hardware Maintenance Manual
Self-service CRU
No
No
No
No
No
No
No
No
Yes
No
No
Optional-service
CRU
No
No
No
No
No
Yes
No
No
No
No
No