1090 System Board, Gps Antenna Assembly, P-Sensor Antenna Assembly, Base Cover, And Lcd Cable - Lenovo ThinkPad Hardware Maintenance Manual

Removal steps of microphone assembly
2
Detach the wireless WAN antenna assembly in the direction as shown by the arrow .
1
When installing: Make sure that the connector is attached firmly to the system board.
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