52
Lenovo V110-14IAP/V110-14AST/V110-15ISK/V110-15IAP/
V110-15AST
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.
• 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 Optical drive” on page 34
• “1020 Base cover” on page 35
• “1030 Battery pack” on page 38
• “1040 Hard disk drive” on page 40
• “1050 Speaker” on page 43
• “1060 IO board” on page 45
• “1070 PCI Express Mini Card for wireless LAN” on page 46
• “1080 ODD board (V110-15ISK)” on page 48
• “1090 DIMM” on page 49
• “1100 Fan assembly and Heat Sink assembly” on page 50
Figure 11. Removal steps of system board
Detach the touch pad connector in the directions shown by arrows
1
,
2
.
Unplug DC-IN connector in the direction shown by arrow
3
, detach LCD
connector in the directions shown by arrows
4
and
5
, detach the power board
in the directions shown by arrows
6
,
7
. Detach keyboard connector under the
system board. Remove the screws
H
.
h
h
c
e
d
b
a
g
f
Step Screw (quantity)
Color Torque
3
M2 × 3 mm, Phillips head, nylok-coated (2)
MB TO UPPER & MB TO KB BRK
Black
1.85+/-0.15 kgf/cm