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Lenovo ideapad FLEX 4-1130 Hardware Maintenance Manual
1070 System board
Important notices for handling the system board:
When handling the system board, bear the following in mind.
• Be careful not to drop the system board on a bench top that has a hard surface,
such as metal, wood, or composite.
• Avoid rough handling of any kind.
• During the whole process, make sure not to drop or stack the system board.
• If you put a system board down, make sure to put it only on a padded surface, such
as an ESD mat or conductive corrugated material.
For access, remove these FRUs in order:
•
•
“1020 Battery pack” on page 33
•
“1030 Hard disk drive” on page 34
•
“1040 PCI Express Mini Card for wireless LAN” on page 35
•
“1050 Touchpad module” on page 37
•
Figure 7. Removal steps of system board
Detach the three connectors in the directions shown by arrows
1
,
2
and
3
.
Then remove the screws
4
and
5
.
4
4
4
4
4
4
5
5
5
5
5
1
3
1
2
2
Step Screw (quantity)
Color Torque
4
M2 x 4 mm, Phillips-head, nylok-coated (6)
MB to C Cover
Black
1.8-2.0 kg_cm
5
M2.5 x 4 mm, Phillips-head, nylok-coated (5)
HINGE to C cover
Black
1.8-2.0 kg_cm
When installing:
Make sure that the connectors are attached firmly.
