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