Lenovo ThinkPad L390 Hardware Maintenance Manual page 48

Table 11. System board connector and cable guide (continued)
Item
Connector (location)
19
Audio connector (external)
20
USB 3.1 connector Gen 1
21
Mini Ethernet connector
22
microSD card connector (internal)
23
TrackPoint pointing stick
connector (internal)
24
Keyboard connector (internal)
Sensor board connector and cable
Table 12. Sensor board
Item Connector (location)
1
RGB camera connector (internal)
2
Infrared camera connector
(internal)
3
Sensor board connector (internal)
4
ThinkPad-logo-LED card
connector (internal)
56
L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen Hardware Maintenance Manual
Internal cable required
No
No
No
No
TrackPoint pointing stick cable
Keyboard assembly cable
Internal cable required
RGB camera cable
Infrared camera cable
Sensor board cable
No
Cable connection
Connect headphones or a headset
with 3.5-mm (0.14-inch) 4-pole
plug to this connector.
Connect USB 3.1-compatible
devices to this connector.
Connect your computer to a local
network through the mini Ethernet
connector on your computer with
an Ethernet cable. To attach an
Ethernet cable to your computer,
you need an Ethernet extension
adapter.
Insert the microSD card into this
slot.
The TrackPoint pointing stick
comes with cable. Connect the
cable to this connector.
The keyboard assembly comes
with cable. Connect the cable to
this connector.
Cable connection
Connect one end to the RGB
camera and the other end to this
connector.
Connect one end to the infrared
camera and the other end to this
connector.
Connect one end to the system
board and the other end to this
connector.
The ThinkPad-logo-LED card
comes with cable. Connect the
cable to this connector.