Lenovo B41-35/B41-30
Hardware Maintenance Manual
48
1110 System board
For access, remove these FRUs:
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“1010 Battery pack” on page 33
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“1020 Optical drive” on page 34
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“1030 Bottom slot cover” on page 36
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“1040 Hard disk drive” on page 37
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“1060 PCI Express Mini Card for wireless LAN/WAN” on page 40
•
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“1080 Keyboard bezel” on page 43
Figure 11. 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.
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Be careful not to drop the system board on a bench top that has a hard
surface, such as metal, wood, or composite.
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Avoid rough handling of any kind.
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In the whole process, make sure not to drop or stack the system board.
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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.
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