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Lenovo YOGA 720-12IKB
Hardware Maintenance Manual
1080 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
•
“1040 PCI Express Mini Card for wireless LAN” on page 35
•
•
•
“1070 Fan and heat sink assembly” on page 40
Figure 8. Removal steps of system board
Detach the connectors (keyboard connector, fingerprint connector, LCD connector
and DC-in connector) in the directions shown by arrows
1
,
2
and
3
.
1
2
1
2
1
2
3
When installing:
Make sure that the connectors are attached firmly.