45
Lenovo Y520-15IKBM
1090 IO board
For access, remove these FRUs in order:
•
•
“1020 Battery pack” on page 35
Figure 9. Removal steps of IO board
Disconnect the connector in the directions shown by arrows
1
and
2
, then
remove the screws
3
.
2
1
3
3
Step
Screw (quantity)
Color
Torque
3
M2 × 3.5 mm, Phillips head, nylok-coated (2)
IO board to C cover
Black
1.5 - 2.5 kg_cm
Remove the IO board in the direction shown by arrow
4
.
4
Unplug the RTC battery connector in the direction shown by arrow
5
.
Remove the RTC battery.
5
When installing:
Make sure that the connectors are attached firmly.