1160 Power Button Sub Card; 1170 I/O Sub Card With Usb Connector And Audio Jack - Lenovo B430 Hardware Maintenance Manual

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)
1
M2 × 3 mm, wafer-head, nylon-coated (1)

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
2
1
2
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)