Lenovo ideacentre All-In-One 520 Hardware Maintenance Manual page 30

Hardware components
Note: Depending on your computer model, some of the following components might not be available.
None touch model
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
The following table lists the major FRUs shown in the illustration above and identifies which FRUs are also
self-service CRUs or optional-service CRUs.
Notes:
• Self-service CRUs: Parts to be installed or replaced by customer themselves.
• Optional-service CRUs: Parts can be installed or replaced by customers or technicians under certain
terms of the applicable warranty service type for your country or region.
• Non-CRUs: Parts must be installed or replaced only by trained service technicians
No. Description
1
Stand holder
24
ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual
Self-service CRU
NO
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Optional-service CRU
NO