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Lenovo YOGA 900S-12ISK Hardware Maintenance Manual
1080 Power assembly, USB board, power button board and
touch pad
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 36
• “1050 System board” on page 39
• “1060 Heat sink assembly” on page 42
Figure 8. Removal steps of power assembly, USB board, power button board
and touch pad
Remove screws
1
. Remove the power assembly in the direction shown by
arrow
2
.
a
b
a
Step Screw (quantity)
Color
Torque
P/N
2
M2 × 3 mm, flat-head,
nylok-coated (1) power assembly
to Upper
Black
1.5-2.0 kgf.cm
5S10K93801
Remove screws
1
. Remove the USB board in the direction shown by arrow
2
.
a
a
a
b
Step Screw (quantity)
Color
Torque
P/N
2
M2 × 2 mm, flat-head, nylok-coated
(3) USB board to upper
Black
1.5-2.0 kgf.cm
5S10K93857
