Lenovo 20TH Hardware Maintenance Manual page 61

Table of Contents

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No.
Connector/feature
1 13
Thermal fan connectors (internal)
2
LCD cable connector (internal)
3
dc-in connector (internal)
4
Thunderbolt 3 connector (USB-C)
(external)
5
HDMI connector (external)
6
Audio connector (external)
7
Speaker connector (internal)
8
Proximity sensor cable connector
(internal)
9
Keyboard subcard cable
connector (internal)
10
M.2 solid-state drive slots (internal)
11
Memory module slots (internal)
12
Built-in battery connector (internal)
14
Trackpad connector (internal)
15
Coin-cell battery connector
(internal)
16
Wireless WAN card slot (internal)
17
Fingerprint connector (internal)
18
Built-in Wireless-LAN device
(internal)
19
LED cable connector (internal)
20
Media-card slot (external)
Internal cable required
Thermal fan assembly cable
LCD cable
dc-in cable
No
No
No
Speaker assembly cable
Proximity sensor cable connector
Keyboard subcard cable
No
No
No
Trackpad cable
Coin-cell battery cable
No
Fingerprint cable
Wireless-LAN antenna kit
LED cable
No
Cable connection
The thermal fan assembly comes
with two cables. Connect the
cables to these connectors.
Connect one end to the LCD panel
and the other end to this
connector.
Connect the dc-in cable to this
connector.
Connect USB-C compatible
devices or a USB-C power adapter
to this connector.
Connect a compatible digital audio
device or video monitor to this
connector.
Connect headphones or a headset
to this connector.
Connect the speaker assembly
cable to this connector.
Connect the proximity sensor
cable to this connector.
Connect one end of the keyboard
subcard cable to the keyboard
22
subcard connector
and the
other end to this connector.
Insert M.2 solid-state drives
directly into these slots.
Insert the memory modules into
these slots.
Connect the built-in battery
directly to this connector.
Connect one end of the trackpad
cable to the trackpad and the other
end to this connector.
The coin-cell battery comes with a
cable. Connect the cable to this
connector.
Insert the wireless WAN card into
this slot.
Connect one end of the fingerprint
cable to the fingerprint reader and
the other end to this connector.
Connect the connectors of
Wireless-LAN antenna kit.
Connect one end to the camera
connector and the other end to this
connector.
Insert a supported media card into
this slot.
.
Chapter 6
Locations
55

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