Lenovo B50-80 Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebo - Page 54

System board, 1060 PCI Express Mini Card for wireless LAN/WAN

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Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Hardware Maintenance Manual 1130 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: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 DIMM" on page 39 • "1060 PCI Express Mini Card for wireless LAN/WAN" on page 40 • "1070 Keyboard" on page 41 • "1080 Keyboard bezel" on page 43 • "1110 Led board" on page 48 Figure 13. Removal steps of system board Disconnect the speaker connector in the direction by arrow a . 1 50

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Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80
Hardware Maintenance Manual
50
1130 System board
For access, remove these FRUs:
•
“1010 Battery pack” on page 33
•
“1020 Optical drive” on page 34
•
“1030 Bottom slot cover” on page 36
•
“1040 Hard disk drive” on page 37
•
“1050 DIMM” on page 39
•
“1060 PCI Express Mini Card for wireless LAN/WAN” on page 40
•
“1070 Keyboard” on page 41
•
“1080 Keyboard bezel” on page 43
•
“1110 Led board” on page 48
Figure 13. Removal steps of system board
Disconnect the speaker connector in the direction by arrow
.
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.
a
1