Lenovo B490 Laptop Hardware Maintenance Manual - ThinkPad B490 - Page 65

Media card reader slot board, 1100 Keyboard bezel

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1140 Media card reader slot board For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Optical drive" on page 45 • "1090 Keyboard" on page 51 • "1100 Keyboard bezel" on page 54 Removal steps of the media card reader slot board Remove the screws 1 , and then detach the cable. 1 1 2 3 Step 1 Screw (quantity) M2 × 6 mm, flat-head, nylon-coated (2) Color Black When installing: Ensure that the cable is attached firmly to the system board. Torque 1.85 kgf-cm Chapter 7. Removing and replacing a FRU 59

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1140 Media card reader slot board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Optical drive” on page 45
•
“1090 Keyboard” on page 51
•
“1100 Keyboard bezel” on page 54
Removal steps of the media card reader slot board
Remove the screws
1
, and then detach the cable.
1
1
3
2
Step
Screw (quantity)
Color
Torque
1
M2 × 6 mm, flat-head, nylon-coated (2)
Black
1.85 kgf-cm
When installing:
Ensure that the cable is attached firmly to the system board.
Chapter 7
.
Removing and replacing a FRU
59