1160 I/O Card And I/O-Card Cable - Lenovo ThinkPad Helix 20CG Hardware Maintenance Manual

5. Remove the USB-connector bracket. See "1140 USB-connector bracket" on page 67
Removal steps of the speakers
When installing: Ensure that the connectors are attached firmly.
Step Screw (quantity)
3
M2 × 4.5 mm, flat-head, nylon-coated (3)

1160 I/O card and I/O-card cable

The I/O card integrates the connectors of the speakers, dock, and keyboard.
Before you replace the I/O card or I/O-card cable, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 46.
3
3
3
1
2
Torque
Color
Black 0.196 Nm
(2 kgf-cm)
.
Chapter 7 Removing or replacing a FRU
69