Lenovo 100w Gen 4 Hardware Maintenance Manual page 38

Table 2. Major FRUs and CRUs
No. FRU description
1
LCD unit
2
Keyboard
3
Keyboard bezel assembly
4
Pen dummy *
5
Trackpad cable
6
Thermal pad for M.2 solid-state drive *
7
M.2 solid-state drive *
8
M.2 solid-state drive AI foil * (for wireless WAN models only)
9
System board
10
USB-C bracket
11
Speaker assembly
12
Lenovo Integrated Pen *
13
Lenovo Integrated Pen board cable
14
Lenovo Integrated Pen board
15
Base cover assembly
16
Camera *
17
Camera cable *
18
Coin-cell battery
19
Daughter board bracket
20
Heat sink
21
Wireless LAN card *
22
Wireless WAN card (for wireless WAN models only)
23
Daughter board
(might look slightly different between wireless LAN model and
wireless WAN model)
24
Daughter board cable
25
Built-in battery
26
Main wireless WAN antenna (for wireless WAN model only)
a
Miscellaneous parts kits (see "Miscellaneous parts" on page 43)
b
ac power adapter
c
Power cord
d
Lenovo factory recovery USB key*
* for selected models
32
Lenovo 100w Gen 4/300w Yoga Gen 4/500w Yoga Gen 4 Hardware Maintenance Manual
Self-service Optional-service
CRU CRU
No No
No Yes
No No
Yes No
No No
No No
No Yes
No Yes
No No
No No
No No
Yes No
No No
No No
No Yes
No No
No No
No No
No No
No No
No No
No Yes
No No
No No
No No
No No
No No
Yes No
Yes No
Yes No