Lenovo B430 Laptop Hardware Maintenance Manual - Lenovo B430 - Page 88

Power button sub card, 1170 I/O sub card with USB connector and audio jack

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1160 Power button sub card For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1020 Large bottom cover" on page 59 • "1040 Optical drive or blank bezel" on page 60 • "1060 Hard disk drive assembly" on page 62 • "1110 Keyboard" on page 69 • "1120 Keyboard bezel assembly, card reader, touch pad, and dummy cap" on page 72 Removal steps of power button sub card 2 1 2 Step 1 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (1) Color Black 1170 I/O sub card with USB connector and audio jack For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1020 Large bottom cover" on page 59 • "1040 Optical drive or blank bezel" on page 60 • "1060 Hard disk drive assembly" on page 62 • "1110 Keyboard" on page 69 Torque 0.181 Nm (1.85 kgf-cm) 82 Hardware Maintenance Manual

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1160 Power button sub card
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 58
•
“1020 Large bottom cover” on page 59
•
“1040 Optical drive or blank bezel” on page 60
•
“1060 Hard disk drive assembly” on page 62
•
“1110 Keyboard” on page 69
•
“1120 Keyboard bezel assembly, card reader, touch pad, and dummy cap” on page 72
Removal steps of power button sub card
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, wafer-head, nylon-coated (1)
Black
0.181 Nm
(1.85 kgf-cm)
1170 I/O sub card with USB connector and audio jack
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 58
•
“1020 Large bottom cover” on page 59
•
“1040 Optical drive or blank bezel” on page 60
•
“1060 Hard disk drive assembly” on page 62
•
“1110 Keyboard” on page 69
82
Hardware Maintenance Manual