Lenovo 21DK0047IX Hardware Maintenance Manual page 31

Table 5. FRU (CRU) categories
No.
FRU (CRU) category
1
LCD module
Note: The LCD module as a whole is not an FRU, it contains FRUs as its components.
2
Upper case (with keyboard and touchpad)
3
Lens light guide
4
Power board with cable
5
Power sponge
6
Fingerprint board with cable
7
I/O board with cable
8
I/O bracket (right)
9
Heat sink
10
Fan
11
Wi-Fi card
12
Wi-Fi card mylar
13
CMOS battery
14
Memory module
15
Memory module shielding
16
Battery pack
17
Speakers
18
Lower case
19
Solid-state drive (SSD) bracket
20
Solid-state drive (SSD)
21
Solid-state drive (SSD) bracket
Note: The SSD bracket is used to lock the screw for the 2242 SSD.
22
Solid-state drive (SSD) thermalpad
23
Solid-state drive (SSD) bracket
Note: The SSD bracket is used to lock the screw for the 2280 SSD.
24
I/O bracket (left)
25
System board
a
Power cord *
b
ac power adapter
c
Screw kit
* for selected models
.
Chapter 3 Identifying FRUs (CRUs)
25