Lenovo ThinkPad Yoga 14 (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 81

Media card reader, 1150 System board - inch

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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 1 2 3 3 3 3 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 Chapter 9. Removing or replacing a FRU 75

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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
3
1
2
3
3
3
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
Chapter 9
.
Removing or replacing a FRU
75