Lenovo ThinkPad T430 Hardware Maintenance Manual - ThinkPad T430, T430i - Page 109

System board assembly, ExpressCard slot, and I/O sub card

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• "1190 Base cover assembly and DC-in connector" on page 99 Removal steps of magnesium structure frame 1 1 2 2 1 3 1 Step 1 2 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (4) M2 × 9.5 mm, wafer-head, nylon-coated (2) Color Black Black Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 1210 System board assembly, ExpressCard slot, and I/O sub card For access, remove these FRUs in order: • "1010 Battery pack" on page 66 • "1020 ExpressCard blank bezel" on page 67 • "1030 Serial Ultrabay Enhanced bay or blank bezel" on page 68 • "1040 Hard disk drive or solid-state drive" on page 69 • "1050 Memory module slot cover" on page 71 • "1080 PCI Express Mini Card for wireless WAN or mSATA solid-state drive" on page 73 • "1090 Keyboard" on page 78 • "1120 PCI Express Mini Card for wireless LAN/WiMAX" on page 83 • "1130 Keyboard bezel assembly, FPC cable, and Bluethooth daughter card" on page 84 • "1150 Speaker assembly" on page 89 • "1160 LCD unit" on page 91 • "1170 Thermal Fan assembly" on page 94 • "1180 Microprocessor" on page 98 • "1190 Base cover assembly and DC-in connector" on page 99 Important notices for handling the system board: When handling the system board, bear the following in mind: • The system board has an accelerometer, which can be broken by applying several thousands of G-forces. Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6,000 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. • If a system board is dropped, be sure to document the drop in a reject report, and replace the system board. • Avoid rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board. Chapter 9. Removing or replacing a FRU 103

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•
“1190 Base cover assembly and DC-in connector” on page 99
Removal steps of magnesium structure frame
1
1
1
1
2
2
3
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, wafer-head, nylon-coated (4)
Black
0.181 Nm
(1.85 kgfcm)
2
M2 × 9.5 mm, wafer-head, nylon-coated (2)
Black
0.181 Nm
(1.85 kgfcm)
1210 System board assembly, ExpressCard slot, and I/O sub card
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 66
•
“1020 ExpressCard blank bezel” on page 67
•
“1030 Serial Ultrabay Enhanced bay or blank bezel” on page 68
•
“1040 Hard disk drive or solid-state drive” on page 69
•
“1050 Memory module slot cover” on page 71
•
“1080 PCI Express Mini Card for wireless WAN or mSATA solid-state drive” on page 73
•
“1090 Keyboard” on page 78
•
“1120 PCI Express Mini Card for wireless LAN/WiMAX” on page 83
•
“1130 Keyboard bezel assembly, FPC cable, and Bluethooth daughter card” on page 84
•
“1150 Speaker assembly” on page 89
•
“1160 LCD unit” on page 91
•
“1170 Thermal Fan assembly” on page 94
•
“1180 Microprocessor” on page 98
•
“1190 Base cover assembly and DC-in connector” on page 99
Important notices for handling the system board:
When handling the system board, bear the following in mind:
•
The system board has an accelerometer, which can be broken by applying several thousands of G-forces.
Note:
Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject
the accelerometer to as much as 6,000 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.
•
If a system board is dropped, be sure to document the drop in a reject report, and replace the system board.
•
Avoid rough handling of any kind.
•
At every point in the process, be sure not to drop or stack the system board.
Chapter 9
.
Removing or replacing a FRU
103