1140 Media Card Reader; 1150 System Board - ThinkPad Yoga 14 Hardware Maintenance Manual

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1140 Media card reader

For access, remove this FRU in order:
"1030 Base cover assembly" on page 63
"1040 Battery pack" on page 65
• "1050 Internal storage drive and the storage drive connector" on page 66
Removal steps of the media card reader
When installing: Ensure that the connector is attached firmly.

1150 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.
Note: Dropping a system board from a height of as little as 0.15 m (6 inches) so that it falls flat on a hard
bench can subject the accelerometer to as much as 6000 G's of shock.
• 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.
For access, remove these FRUs in order:
"1010 Lenovo-OneLink-connector cover" on page 60
"1030 Base cover assembly" on page 63
"1060 Memory module" on page 67
"1070 Wireless LAN card" on page 68
"1080 Coin-cell battery" on page 69
Attention: The following components soldered on the top side of the system board is extremely sensitive.
When you service the system board, avoid any kind of rough handling.
a
Microprocessor
1
2
3
3
3
.
Chapter 9
Removing or replacing a FRU
75

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