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ideapad 320-14IAP/ideapad 320-14AST/ideapad 320-15IAP/ideapad 320-15AST/ideapad
320-15ABR/ideapad 320-15ABR Touch Hardware Maintenance Manual
1110 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 Optical drive” on page 35
• “1020 Base cover” on page 36
• “1030 Battery pack” on page 39
• “1040 PCI Express Mini Card for wireless LAN” on page 41
• “1050 DIMM” on page 43
• “1060 Hard disk drive” on page 45
• “1070 Speakers” on page 47
• “1080 Fan assembly and Heat Sink assembly” on page 48
• “1090 ODD transfer board, backup battery” on page 53
• “1100 Upper case” on page 55
Figure 11. Removal steps of system board
Disconnect the connectors in the directions shown by arrows
1
and
2
.
Then remove the screws
3
.
b
c
c
c
a
Step Screw (quantity)
Color Torque
3
M2 × 3 mm, Phillips-head, nylok-coated (3)
M/B---log up
Silver 1.85+/-0.15 kgf/cm
