Lenovo V580 Hardware Maintenance Manual page 84

Removal steps of speaker assembly and base cover
1
Remove the screws . Then remove the speaker assembly
Step Screw (quantity)
1
M2.5 × 5.7 mm, flat-head, nylon-coated (4)
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Hardware Maintenance Manual
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1
1
2
2
1
1
Color Torque
Black
4.0 kgf-cm