Lenovo ThinkPad Tablet - Manual (Page 52)

Removal steps of microphone assembly
Detach the wireless WAN antenna assembly in the direction as shown by the arrow 2 .
1
2
When installing: Make sure that the connector 1 is attached firmly to the system board.
3
1090 System board, GPS antenna assembly, P-sensor antenna assembly,
base cover, and LCD cable
For access, remove these FRUs in order:
46 Hardware Maintenance Manual