1170 Power-Button Card; 1180 Fingerprint-Reader Card - Lenovo ThinkPad T470 Hardware Maintenance Manual

1170 Power-button card

Note: Before you start the servicing, disable the built-in battery. See "Disabling the built-in battery"
on page 66.
For access, remove these FRUs in order:
• "1010 Removable battery" on page 66
• "1020 Micro SIM card" on page 67
• "1030 Base cover assembly" on page 68
• "1040 Memory module" on page 70
• "1050 Internal storage drive" on page 71
• "1060 Wireless-WAN card" on page 75 or "1080 M.2 solid-state drive in the Wireless-WAN-card slot"
on page 78
• "1070 Wireless-LAN module or WiGig module" on page 76
• "1090 Keyboard" on page 79
• "1100 Coin-cell battery" on page 81
• "1110 Speaker assembly" on page 82
• "1120 Built-in battery" on page 83
• "1130 Smart-card reader assembly" on page 84
• "1140 I/O bracket and RJ45 bracket" on page 85
• "1150 Thermal fan assembly" on page 86
• "1160 System board" on page 88
Removal steps of the power-button card
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (2)
When installing:
Ensure that the connector of the power-button card is attached firmly.

1180 Fingerprint-reader card

Note: Before you start the servicing, disable the built-in battery. See "Disabling the built-in battery"
on page 66.
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
91