52
Lenovo YOGA 510-14ISK/YOGA 510-14AST/YOGA 510-14IKB/
YOGA 510-15ISK/YOGA 510-15IKB Hardware Maintenance Manual
1090 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:
• “1010 Base cover” on page 33
• “1020 Battery pack” on page 36
• “1030 PCI Express Mini Card for wireless LAN” on page 38
• “1040 DIMM” on page 41
• “1050 Speakers” on page 43
• “1060 Hard disk drive” on page 44
• “1070 Fan assembly and Heat Sink assembly” on page 46
• “1080 IO board, DC-in cable” on page 50
Figure 9. Removal steps of system board
Disconnect the connectors in the directions shown by arrows
1
,
2
. Then
remove the screws
3
.
b
c
c
c
a
Step Screw (quantity)
Color Torque
3
M2 × 3.5 mm, Phillips-head, nylok-coated (3)
M/B---log up
Silver 1.85+/-0.15kgf-cm