Lenovo ThinkPad X390, Hardware Maintenance Manual, Page: 58 / 108

Table 5. Major FRUs
No. FRU descriptions Self-service
CRU Optional-
service CRU
1 LCD unit (See “LCD FRUs ” on page 54.) N N
2 Keyboard bezel assembly N N
3 Nano-SIM card tray
*
Y N
4 Pen charger cable
*
N N
5 ThinkPad Pen Pro
*
Y N
6 Fingerprint-reader cable N N
7 Fingerprint-reader card N N
8 Fingerprint-reader bracket N N
9 Thermal fan assembly N N
10 Short M.2 solid-state drive
*
N Y
11 Short M.2 solid-state drive bracket
*
N Y
12 Long M.2 solid-state drive
*
N Y
13 Wireless-WAN card
*
N Y
14 Base cover assembly N Y
15 Dummy smart card *
N N
16 Smart-card reader
*
N N
17 Smart-card-reader cable
*
N N
18 Coin-cell battery N N
19
Speaker assembly
N N
20 Built-in battery N N
21
I/O bracket N N
22 system board N N
23 NFC card
*
N N
24 NFC cable
*
N N
25 Trackpad N N
26 Trackpad cable N N
27 TrackPoint pointing–stick nonslip cap Y N
a
Lenovo factory recovery USB key
Y N
b Miscellaneous parts (See “Miscellaneous parts” on page 55.) N N
c
Power cord Y N
d ac power adapter Y N
*
For selected models
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X390 Yoga Hardware Maintenance Manual