1110 System Board - Lenovo V110 Hardware Maintenance Manual

Lenovo V110-14IAP/V110-14AST/V110-15ISK/V110-15IAP/
V110-15AST
Hardware Maintenance Manual

1110 System board

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.
52
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.
Step Screw (quantity)
M2 × 3 mm, Phillips head, nylok-coated (2)
3
MB TO UPPER & MB TO KB BRK
e
h
h
d
f
g
a
b
c
Color Torque
Black 1.85+/-0.15 kgf/cm