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ideapad 320S-15ISK/ideapad 320S-15IKB Hardware Maintenance Manual
1080 IO board and backup battery
For access, remove these FRUs in order:
• “1010 Base cover” on page 33
• “1020 Battery pack” on page 35
• “1030 PCI Express Mini Card for wireless LAN” on page 37
• “1040 DIMM” on page 39
• “1050 Hard disk drive” on page 41
• “1060 Speakers” on page 43
• “1070 Fan assembly and Heat Sink assembly” on page 44
Figure 8. Removal steps of IO board and backup battery
Detach the system board connector in the directions shown by arrows
1
and
2
.
Unplug the backup battery connector in the direction shown by arrow
3
.
Remove the screw
4
.
b
a
c
d
d
Step Screw (quantity)
Color Torque
3
M2 × 3.5 mm, Phillips-head, nylok-coated (2)
io board---log up
Black
1.0~1.5 kgf*cm
When installing:
Make sure that the connectors are attached firmly.