1240 System Board - Lenovo ThinkPad X12 Detachable Gen 1 Hardware Maintenance Manual

Removal step

1240 System board

Important notices for handling the system board
When handling the system board, read the following:
• The system board has an accelerometer, which can be broken when several thousands of G-forces are
applied.
• 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.
• At every point in the process, be sure not to drop or stack the system board.
• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a
corrugated conductive material.
Attention: The microprocessor
the system board, avoid any kind of rough handling.
For access, remove these FRUs:
• "1010 LCD module" on page 59
• "1110 Thermal fan assembly" on page 69
• "1150 Wireless-WAN card (for selected models)" on page 71
• "1130 M.2 solid-state drive" on page 70
• "1180 NFC module, NFC module cable, and NFC antenna (for selected models)" on page 73
• "1170 I/O bracket" on page 73
a soldered on the system board is extremely sensitive. When you service
.
Chapter 8 Removing or replacing a FRU
77