1130 Microphone Assembly - Lenovo B490 Hardware Maintenance Manual

Removal steps of power board
1
Remove the screw and then remove the power board
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (1)

1130 Microphone assembly

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 microphone assembly
Detach the connector 1
When installing: Ensure that the connector is attached firmly to the system board.
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Hardware Maintenance Manual
, and then remove the microphone assembly in the direction shown by the arrow
2
.
Color
Black
Torque
1.85 kgf-cm
2 .