Справочник Пользователя для Lenovo 10BL
The following table lists the major FRUs shown in Figure 3 “Locating major FRUs and CRUs” on page 67 and
identifies which FRUs are also self-service CRUs or optional-service CRUs.
identifies which FRUs are also self-service CRUs or optional-service CRUs.
Notes:
• Self-service CRUs: These CRUs unplug or are secured by no more than two screws. Examples of
these types of CRUs include the keyboard, the mouse, any USB device, and the power cord. Other
self-service CRUs depending on product design might include memory modules, adapter cards, hard
disk drives, and optical drives.
self-service CRUs depending on product design might include memory modules, adapter cards, hard
disk drives, and optical drives.
• Optional-service CRUs: These CRUs are isolated parts within the computer and 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.
specific CRU is visible.
Number
FRU description
Self-service CRU
Optional-service CRU
1
Frame stand
No
Yes
2
Computer cover
No
Yes
3
System board shield
No
No
4
Microprocessor fan
No
No
5
Handle bar
No
No
6
Heat sink assembly (with Microprocessor
underneath)
underneath)
No
No
7
Memory module
No
No
8
Battery
No
No
9
System board
No
No
10
LCD bracket
No
No
11
LCD panel
No
No
12
Card reader
No
No
13
Wi-Fi
No
No
14
Foot stand
No
Yes
15
Rear I/O assembly
No
No
16
Internal speaker
No
No
17
Power supply
No
No
18
Internal speaker
No
No
19
Foot stand
No
No
20
Control button board
No
No
21
Hard disk drive
No
Yes
22
Hard-disk-drive EMI shield
No
No
23
LCD converter board
No
No
24
Optical drive
No
No
25
VESA mount bracket
No
No
26
Integrated camera
No
No
27
Keyboard
Yes
No
28
Mouse
Yes
No
68
ThinkCentre E73z Hardware Maintenance Manual