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Lenovo ideapad 310S-15ISK/ideapad 310S-15IKB
Hardware Maintenance Manual
1100 System board
For access, remove these FRUs in order:
• "1010 Base cover" on page 32
• "1020 Battery pack" on page 34
• "1030 Hard disk drive" on page 35
• "1050 PCI Express Mini Card for wireless LAN" on page 38
• "1060 RTC battery" on page 41
• "1070 Speaker" on page 42
• "1080 Fan and heat sink assembly" on page 43
• "1090 IO board" on page 45
Figure 10. Removal steps of system board
Detach the three connectors (the KB FPC connector, DC-in cable connector
and EDP cable connector) in the directions shown by arrows 1, 2, 3 and 4.
Remove the screws 5. Then remove the system board in the direction shown
by arrow 6.
When installing: Make sure that the connectors are attached firmly.
46
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.
• In 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.
5
Step
Screw (quantity)
M2 × 3 mm, Phillips head, nylok-coated (3)
5
M/B TO UP
4
5
6
5
1
3
2
Color
Torque
Black
1.85±0.15 kgf*cm
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