Lenovo ThinkPad L390 Hardware Maintenance Manual page 42

Note: Depending on the computer model, your computer might look different from the illustration above.
Table 7. Major FRUs and CRUs
No. FRU description
1
LCD unit
2
Keyboard
3
Keyboard bezel assembly
4
Thermal fan
5
System board
6
USB 3.1 connector bracket
7
Speaker assembly
8
Wireless LAN antenna assembly
9
Rear camera board*
10
Rear camera board cable*
11
NFC board cable*
12
NFC board*
13
NFC antenna*
14
Base cover assembly
15
Battery
16
ThinkPad Pen Pro charger with cable*
17
ThinkPad Pen Pro holder*
18
ThinkPad Pen Pro*
19
Power button board cable
20
Power button board
21
Fingerprint reader cable*
22
Fingerprint reader*
23
Fingerprint reader bracket*
24
Coin-cell battery
25
Long M.2 solid-state drive*
26
Short M.2 solid-state drive*
27
M.2 solid-state drive bracket*
28
HDMI connector bracket
29
Wireless LAN card
30
Memory module
31
Trackpad
32
Trackpad cable
33
TrackPoint cap
a
Lenovo factory recovery USB key
50
L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen Hardware Maintenance Manual
Self-service CRU
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
1
No
Optional-service CRU
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No