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Legion 7 16ACHg6 (82N6001LRK)
Инструкция по эксплуатации Страница: 29

Lenovo Legion 7 16ACHg6 (82N6001LRK) [29/66] Chapter 3 identifying frus crus

Chapter 3. Identifying FRUs (CRUs)

Locate FRUs and CRUs

The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to

replace when servicing a customer’s computer.

Содержание

Hardware maintenance manual 1
About this manual iii 3
Appendix a label locations 55 3
Chapter 1 safety information 1 3
Chapter 2 general checkout 21 3
Chapter 3 identifying frus crus 23 3
Chapter 4 removing a fru or cru 27 3
Contents 3
About this manual 5
Before servicing a lenovo product be sure to read all the information under chapter 1 safety information on page 1 5
Important 5
This manual contains service and reference information for the following lenovo products 5
This manual is intended only for trained service technicians who are familiar with lenovo products 5
Chapter 1 safety information 7
Electrical safety 7
General safety 7
Safety inspection guide 8
Handling devices that are sensitive to electrostatic discharge 9
Grounding requirements 10
Safety notices multilingual translations 10
Chapter 2 general checkout 27
What to do first 27
Cru list 28
Damage caused by the improper insertion of a personal computer card pc card or the installation of an incompatible card 28
Improper disc insertion or use of an external optical drive fuses blown by attachment of a non supported device forgotten computer password making the computer unusable sticky keys caused by spilling a liquid onto the keyboard use of an incorrect ac power adapter on laptop products 28
The following symptoms might indicate damage caused by non warranted activities missing parts might be a symptom of unauthorized service or modification check for obvious damage to a hard disk drive if the spindle of a hard disk drive becomes noisy the hard disk drive might have been dropped or subject to excessive force 28
Chapter 3 identifying frus crus 29
Locate frus and crus 29
Ac power adapter 31
Battery 31
C cover edp conductive tape 31
C cover shield mylar 31
Cmos battery 31
Dc in bracket 31
Lower case 31
Memory 31
Memory shielding 31
Power cord 31
Screw kit 31
Solid state drive ssd 31
Solid state drive ssd plate l 31
Solid state drive ssd plate r 31
Speakers 31
System board 31
Table 3 fru cru categories continued 31
Thermal module 31
Touchpad board cable 31
Usb board 31
Usb board cable 31
Wi fi card 31
Begin by removing any frus that have to be removed before replacing the failing fru any such frus are listed at the beginning of each fru replacement procedure remove them in the order in which they are listed 33
Chapter 4 removing a fru or cru 33
Do not try to service any computer unless you have been trained and certified an untrained person runs the risk of damaging parts 33
General guidelines 33
Hexagonal sockets are used to remove antenna connectors 33
Service tools 33
Silicone grease is applied to the cpu and heatsink surfaces to eliminate air gaps 33
T30 screw drivers are used to service the new intel xeon cpus 33
The following table lists tools for servicing lenovo computers tools with a cross mark are needed for serving the product models as described by this publication prepare them before you service the product 33
When removing or replacing an fru ensure that you observe the following general guidelines 33
Remove the lower case 34
Remove the solid state drive ssd plate l 35
Remove the solid state drive ssd plate r 36
Remove the solid state drive ssd 37
Remove the battery pack 38
Remove the memory module 39
Remove the dc in bracket 40
Remove the wi fi card 40
Remove the cmos battery 41
Remove the c cover shield mylar 42
Remove the touchpad board cable 42
Remove the speakers 43
Remove the thermal module 44
Remove the i o board 45
Remove the system board and io board cable 46
Remove the strip cover 48
Use a golden key u1 tool to flash write key id information 48
Remove the lcd module 50
Remove the c cover edp conductive tape 52
Remove the upper case 52
Disassemble the lcd module 53
Remove the lcd bezel 53
Remove the hinge cover 54
Remove the microphone rubbers 54
Remove the lcd panel 55
Remove the microphone board 56
Remove the edp cable 57
Remove the camera bracket 58
Remove the camera 59
Remove the camera cable 59
Remove the lcd cover 60
Appendix a label locations 61
Labels attached to the base cover are country region specific make sure to apply the appropriate labels to the replacement base cover 61
Trademarks 63

Lenovo Legion 7 16ACHg6 (82N6001LRK) [29/66] Chapter 3 identifying frus crus

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