Lenovo V4400u Hardware Maintenance Manual - Lenovo V4400u - Page 41

Major FRUs and CRUs, Table 3. Major FRUs and CRUs

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- Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an access panel that is typically secured by more than two screws. Once the access panel is removed, the specific CRU is visible. Major FRUs and CRUs 20 19 18 17 16 15 14 13 12 11 Table 3. Major FRUs and CRUs No. FRU description 1 LCD unit 2 Keyboard bezel assembly with keyboard 3 Fingerprint reader assembly 49 Hall sensors 5 Thermal Module assembly 6 I/O board 7 Media card reader board 8 Hard disk drive or solid-state drive 10 Battery pack 11 Base cover 1 2 3 4 5 6 7 8 9 10 CRU ID N N N N N N N N N N Chapter 6. Locations 35

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–
Optional-service CRUs:
These CRUs are isolated parts within the computer that are concealed by an access
panel that is typically secured by more than two screws. Once the access panel is removed, the specific
CRU is visible.
Major FRUs and CRUs
13
14
15
16
17
18
19
20
12
11
1
2
3
4
5
6
7
8
9
10
Table 3. Major FRUs and CRUs
No.
FRU description
CRU ID
1
LCD unit
N
2
Keyboard bezel assembly with keyboard
N
3
Fingerprint reader assembly
N
4
9
Hall sensors
N
5
Thermal Module assembly
N
6
I/O board
N
7
Media card reader board
N
8
Hard disk drive or solid-state drive
N
10
Battery pack
N
11
Base cover
N
Chapter 6
.
Locations
35