Lenovo B590 Hardware Maintenance Manual - Page 66

Microphone assembly, Removal steps of power board, Removal steps of touch pad bracket

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Removal steps of power board Remove the screw 1 and then remove the power board 2 . 2 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Removal steps of touch pad bracket Remove the screw 1 and then remove the touch pad bracket 2 . Color Black Torque 1.85 kgf-cm 2 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 1.85 kgf-cm 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 53 • "1100 Keyboard bezel" on page 56 Removal steps of microphone assembly Detach the connector 1 , and then remove the microphone assembly in the direction shown by the arrow 2 . 60 Hardware Maintenance Manual

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Removal steps of power board
Remove the screw
1
and then remove the power board
2
.
2
1
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, flat-head, nylon-coated (1)
Black
1.85 kgf-cm
Removal steps of touch pad bracket
Remove the screw
1
and then remove the touch pad bracket
2
.
1
2
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, flat-head, nylon-coated (1)
Black
1.85 kgf-cm
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 53
•
“1100 Keyboard bezel” on page 56
Removal steps of microphone assembly
Detach the connector
1
, and then remove the microphone assembly in the direction shown by the arrow
2
.
60
Hardware Maintenance Manual