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Lenovo IdeaTab A2109A-F Hardware Maintenance Manual
1030
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 Rear cover” on page 27
• “1020 Battery pack” on page 30
Figure 3. Removal steps of system board
Remove two screws
1
and three screws
2
.
2
2
1
1
Step Screw (quantity) Color Torque
1
M3.0 x 3.0 mm, at-head, nylon-coated (2) Silver 1.2-1.7 kg/cm
2
M5.3 x 1.75 mm, at-head, nylon-coated (3) Silver 1.2-1.7 kg/cm