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Lenovo ideapad 520S/320S Hardware Maintenance Manual
1080 IO board
For access, remove these FRUs in order:
• “1010 Base cover” on page 32
• “1020 Battery pack” on page 35
• “1070 Fan and heat sink assembly” on page 43
Figure 8. Removal steps of IO board
Peel off the adhesive tape
1
. Detach the IO board connector in the directions
shown by arrows
2
and
3
. Remove the screws
4
.
4
4
3
2
1
Step Screw (quantity)
Color Torque
4
M2 × 3.5 mm, Phillips head, nylok-coated (2)
IO/B---log up
Silver
1.0~1.5 kgf*cm
Remove the IO board
5
.
5