47
Lenovo ideapad 330S-15IKB GTX1050
1100 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.
• 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.
For access, remove these FRUs in order:
• “1010 Base cover” on page 32
• “1020 Battery pack” on page 34
• “1030 Speaker” on page 35
• “1040 PCI Express Mini Card for wireless LAN” on page 36
• “1050 Hard disk drive” on page 38
• “1060 IO board and RTC battery” on page 40
• “1070 Fan and heat sink assembly” on page 42
Figure 10. Removal steps of system board
Detach the five connectors (touchpad connector, KB FPC connector, KB back
light connector, EDP cable connectors and DC in cable connector) in the
directions shown by arrows
1
,
2
,
3
and
4
. Remove the screws
5
.
5
5
2
1
2
1
2
1
3
4
Step Screw (quantity)
Color Torque
3
M2.0 × 3.0 mm, Phillips head, nylok-coated (2)
MB
Black
1.0~1.5 kgf*cm
When installing:
Make sure that the connectors are attached firmly.