1090 Main Board - Lenovo TB-X304F Hardware Maintenance Manual

Lenovo TAB4 10 Hardware Maintenance Manual

1090 Main Board

For access, remove these FRUs in order:
• "1010 Back Cover" on page 27
• "1020 Battery" on page 28
• "1030 Sub Board" on page 33
• "1040 Antenna Sub Board" on page 37
• "1050 SideKey" on page 39
• "1060 Rear Camera" on page 41
• "1070 Earphone" on page 42
• "1080 Speaker" on page 45
Figure 9. Removal steps of main board
Unscrew the two bolts from the main board.
46
Important notices for handling the main board:
When handling the main board, bear the following in mind.
• Be careful not to drop the main board on a bench top that has a hard
surface, such as metal, wood, or composite.
• Avoid rough handling of any kind.
• Throughout the process, make sure not to drop or stack the main board.
• If you put the main board down, make sure to put it only on a padded
surface such as an ESD mat or conductive corrugated material.
Step Screw (quantity)
M1.4*3.5 (2)
1
Color Torque
Black 0.7N