Lenovo ThinkPad Edge E431 Hardware Maintenance Manual - Page 101

Power button sub card, 1200 LCD unit, Removal steps of the left speaker assembly

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Removal steps of the left speaker assembly 1 1 2 Step 1 Screw (quantity) M2 × 2.5 mm, wafer-head, nylon-coated, big head (2) Color Black 1190 Power button sub card For access, remove these FRUs in order: • "1020 Battery pack" on page 65 • "1030 Large bottom cover" on page 66 • "1050 Optical drive or blank bezel" on page 68 • "1070 Hard disk drive assembly or solid-state drive assembly" on page 69 • "1120 Keyboard" on page 77 • "1130 Keyboard bezel" on page 83 Removal steps of the power button sub card 1 2 2 2 Torque 0.181 Nm (1.85 kgf-cm) Step 1 Screw (quantity) M2 × 3.5 mm, wafer-head, nylon-coated (1) 1200 LCD unit For access, remove these FRUs in order: • "1010 Lenovo OneLink connector cover" on page 65 • "1020 Battery pack" on page 65 • "1030 Large bottom cover" on page 66 • "1040 Small bottom cover" on page 67 • "1050 Optical drive or blank bezel" on page 68 Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter 9. Removing or replacing a FRU 95

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Removal steps of the left speaker assembly
1
1
2
Step
Screw (quantity)
Color
Torque
1
M2 × 2.5 mm, wafer-head, nylon-coated, big head (2)
Black
0.181 Nm
(1.85 kgf-cm)
1190 Power button sub card
For access, remove these FRUs in order:
•
“1020 Battery pack” on page 65
•
“1030 Large bottom cover” on page 66
•
“1050 Optical drive or blank bezel” on page 68
•
“1070 Hard disk drive assembly or solid-state drive assembly” on page 69
•
“1120 Keyboard” on page 77
•
“1130 Keyboard bezel” on page 83
Removal steps of the power button sub card
1
2
2
2
Step
Screw (quantity)
Color
Torque
1
M2 × 3.5 mm, wafer-head, nylon-coated (1)
Black
0.181 Nm
(1.85 kgf-cm)
1200 LCD unit
For access, remove these FRUs in order:
•
“1010 Lenovo OneLink connector cover” on page 65
•
“1020 Battery pack” on page 65
•
“1030 Large bottom cover” on page 66
•
“1040 Small bottom cover” on page 67
•
“1050 Optical drive or blank bezel” on page 68
Chapter 9
.
Removing or replacing a FRU
95