Lenovo IdeaPad Y470 Hardware Maintenance Manual page 58

Lenovo Y470/Y570 Hardware Maintenance Manual
Figure 10. Removal steps of system board
Y470: Loosen the screw
direction shown by arrows
54
Step Screw (quantity)
a
M2.0 × 3 mm, flat-head, nylok-coated (1)
a . Unplug three microphone connectors in the
.
b
1
2
2
2
Color Torque
Black 1.0 ~ 1.5 kgfcm