Lenovo ThinkPad Edge E435 Hardware Maintenance Manual - Page 55

Table 7. Major FRUs and CRUs, FRU description, Self-service CRU, Optional-service CRU

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Table 7. Major FRUs and CRUs No. FRU description 1 LCD unit 2 Power button sub card 3 Keyboard bezel 4 Backup battery 5 Wireless WAN card or mSATA solid state drive 6 Half-size wireless WAN card bracket 7 Wireless LAN card 8 Battery pack 9 RJ45 sub card 10 DC-in connector 11 Optical drive or blank bezel 12 I/O sub card with USB connector and audio jack 13 Small bottom cover 14 Large bottom cover 15 Hard disk drive 16 Speaker assembly 17 Base cover assembly 18 CPU 19 Memory module 20 System board assembly 21 Thermal fan 22 Thermal pipes 23 Keyboard 24 TrackPoint cap Self-service CRU No No No Yes No No No Yes No No Yes No Yes Yes Yes No No No Yes No No No No Yes Optional-service CRU No No No No Yes Yes Yes No No No No No No No No No No No No No Yes No Yes No Chapter 7. Locations 49

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Table 7. Major FRUs and CRUs
No.
FRU description
Self-service CRU
Optional-service CRU
1
LCD unit
No
No
2
Power button sub card
No
No
3
Keyboard bezel
No
No
4
Backup battery
Yes
No
5
Wireless WAN card or mSATA solid state drive
No
Yes
6
Half-size wireless WAN card bracket
No
Yes
7
Wireless LAN card
No
Yes
8
Battery pack
Yes
No
9
RJ45 sub card
No
No
10
DC-in connector
No
No
11
Optical drive or blank bezel
Yes
No
12
I/O sub card with USB connector and audio jack
No
No
13
Small bottom cover
Yes
No
14
Large bottom cover
Yes
No
15
Hard disk drive
Yes
No
16
Speaker assembly
No
No
17
Base cover assembly
No
No
18
CPU
No
No
19
Memory module
Yes
No
20
System board assembly
No
No
21
Thermal fan
No
Yes
22
Thermal pipes
No
No
23
Keyboard
No
Yes
24
TrackPoint cap
Yes
No
Chapter 7
.
Locations
49