Lenovo YOGA BOOK YB1-X90L Hardware Maintenance Manual page 56

Lenovo YOGA BOOK Hardware Maintenance Manual
Figure 12. Removal steps of main board (continued)
Use a screwdriver to remove the 2 silver screws on the main board and the black
screw on the silver sheeting. Remove the metallic silver sheeting covering the
cables.
Remove the main board from the assembly.
Note: A soldering iron can be used to detach the vibration motors from the main board.
52
Step Screw (quantity)
D4.0*M1.4*1.60 (2)
1
M1.4*2.5 (1)
2
Disconnect the cable connecter on the main board to remove the cables.
Color Torque
Silver 0.7N
Black 0.7N