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Lenovo Legion 7 16ACHg6 Hardware Maintenance Manual Download Page 44

Figure 20. Remove the speakers

Go to 

https://support.lenovo.com/partslookup

to look up the Lenovo part number of the following replacement 

part:

Speakers

Remove the thermal module

Make sure the following FRUs (or CRUs) have been removed.  

“Remove the lower case” on page 28

“Remove the solid-state drive (SSD) plate L” on page 29

“Remove the solid-state drive (SSD) plate R” on page 30

Step 1.  Disconnect the thermal module cable from the system board. Remove four screws. 

Figure 21. Disconnect the thermal module cable and remove four screws

38

Hardware Maintenance Manual

Summary of Contents for Legion 7 16ACHg6

Page 1: ...Hardware Maintenance Manual Lenovo Legion 7 16 6 ...

Page 2: ...First Edition March 2021 Copyright Lenovo 2021 ...

Page 3: ... the memory module 33 Remove the DC in bracket 34 Remove the Wi Fi card 34 Remove the CMOS battery 35 Remove the touchpad board cable 36 Remove the C cover shield mylar 36 Remove the speakers 37 Remove the thermal module 38 Remove the I O board 39 Remove the system board and IO board cable 40 Use a Golden Key U1 tool to flash write key id information 42 Remove the strip cover 42 Remove the LCD mod...

Page 4: ...ii Hardware Maintenance Manual ...

Page 5: ...vo Legion 7 16ACHg6 82N6 Lenovo Legion 7 16ACHg6 1 82N6 Legion 7 16ITHg6 82K6 Lenovo Legion 7 16ITHg6 D1 82K6 Important This manual is intended only for trained service technicians who are familiar with Lenovo products Before servicing a Lenovo product be sure to read all the information under Chapter 1 Safety information on page 1 Copyright Lenovo 2021 iii ...

Page 6: ...iv Hardware Maintenance Manual ...

Page 7: ...e clothing or fasten it with a non conductive clip about 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that might be hazardou...

Page 8: ...efully for possible hazards in your work area Examples of these hazards are moist floors non grounded power extension cables power surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when...

Page 9: ...d sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here 2 Make sure that the ESD protective devi...

Page 10: ...g of the electrical outlet can be verified by a certified electrician Safety notices multilingual translations The safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual ...

Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...

Page 12: ...6 Hardware Maintenance Manual ...

Page 13: ...PERIGO PERIGO PERIGO Chapter 1 Safety information 7 ...

Page 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardware Maintenance Manual ...

Page 15: ...DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...

Page 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 Hardware Maintenance Manual ...

Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...

Page 18: ...VORSICHT VORSICHT VORSICHT 12 Hardware Maintenance Manual ...

Page 19: ...Chapter 1 Safety information 13 ...

Page 20: ...14 Hardware Maintenance Manual ...

Page 21: ...Chapter 1 Safety information 15 ...

Page 22: ...16 Hardware Maintenance Manual ...

Page 23: ...Chapter 1 Safety information 17 ...

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Page 25: ...Chapter 1 Safety information 19 ...

Page 26: ...20 Hardware Maintenance Manual ...

Page 27: ...hen you return a FRU you must include the following information in the parts exchange form or parts return form that you attach to it 1 Name and phone number of service technician 2 Date of service 3 Date on which the machine failed 4 Date of purchase 5 Failure symptoms error codes appearing on the display and beep symptoms 6 Procedure index and page number in which the failing FRU was detected 7 ...

Page 28: ...ate 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 CRU list Table 1 Models Legion 7 16ACHg6 Lenovo Legion 7 16ACHg6 and Lenovo Legion 7 16ACHg6 1 Machine type 82N...

Page 29: ...entifying 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 Copyright Lenovo 2021 23 ...

Page 30: ...Figure 1 Lenovo Legion 7 16 6 exploded view Table 3 FRU CRU categories No FRU CRU category 1 Strip cover 2 Upper case 24 Hardware Maintenance Manual ...

Page 31: ...ad board cable 9 Solid state drive SSD 10 Thermal module 11 Solid state drive SSD plate L 12 Battery 13 Speakers 14 Lower case 15 Solid state drive SSD plate R 16 Memory shielding 17 Memory 18 Wi Fi card 19 DC in bracket 20 C cover EDP conductive tape a Power cord b ac power adapter c Screw kit Chapter 3 Identifying FRUs CRUs 25 ...

Page 32: ...gories for the LCD module No FRU CRU category 1 LCD bezel 2 Hinge cover 3 LCD panel 4 Camera bracket 5 Camera 6 Camera cable 7 Microphone rubber 8 Microphone board conductive tape 9 Microphone board 10 Removable tape 11 LCD cover 12 EDP cable 26 Hardware Maintenance Manual ...

Page 33: ...trical tape Double sided tape Conductive tape Eraser Heat gun Brown brush Notes T30 screw drivers are used to service the new Intel Xeon CPUs Hexagonal sockets are used to remove antenna connectors Silicone grease is applied to the CPU and heatsink surfaces to eliminate air gaps General guidelines When removing or replacing an FRU ensure that you observe the following general guidelines 1 Do not t...

Page 34: ...CRU shut down the computer and unplug all power cords from electrical outlets Attention After replacing an FRU do not turn on the computer until you have ensured that all screws springs and other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circu...

Page 35: ...r case Remove the solid state drive SSD plate L Make sure the following FRU or CRU has been removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Figure 5 Disconnect the battery pack cable Step 2 Remove three screws and then remove the left SSD plate carefully C...

Page 36: ...L Remove the solid state drive SSD plate R Make sure the following FRU or CRU has been removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Figure 7 Disconnect the battery pack cable Step 2 Remove three screws and then remove the right SSD plate carefully 30 Ha...

Page 37: ...tate drive SSD Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD plate L on page 29 Remove the solid state drive SSD plate R on page 30 Note For selected models there is only one SSD Step 1 Remove two screws Figure 9 Remove two screws Screw specifications Number of screws M2 x L3 5 2 Step 2 Remove two SSDs by pulling it away fr...

Page 38: ...window to restore the profile from Lenovo cloud Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Solid state drive SSD Remove the battery pack Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD plate R on page 30 Step 1 Remove the right SSD Note For details see Remove...

Page 39: ...he battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Remove the memory shielding Figure 12 Remove the memory shielding Step 3 Open the buckles and then remove the memory Figure 13 Remove the memory Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement parts Mem...

Page 40: ... screws then remove the DC in bracket Screw specifications Number of screws M2 x L6 2 Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part DC in bracket Remove the Wi Fi card Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD plate R on page 30 Step 1 Detach the main and ...

Page 41: ...the CMOS battery Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD plate L on page 29 Step 1 Remove the left SSD Note For details see Remove the solid state drive SSD on page 31 Step 2 Disconnect the CMOS battery cable from the system board and then remove the CMOS battery Figure 16 Remove the CMOS battery Chapter 4 Removing a ...

Page 42: ...32 Step 1 Detach the touchpad board cable connectors and then remove the cable Figure 17 Remove the touchpad board cable Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Touchpad board cable Remove the C cover shield mylar Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state driv...

Page 43: ... case on page 28 Remove the solid state drive SSD plate L on page 29 Remove the solid state drive SSD plate R on page 30 Remove the solid state drive SSD on page 31 Remove the battery pack on page 32 Step 1 Disconnect the keyboard cable from the system board Figure 19 Disconnect the keyboard cable Step 2 Disconnect the speaker cables from the system board and release the speaker cable from the cab...

Page 44: ... Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD plate L on page 29 Remove the solid state drive SSD plate R on page 30 Step 1 Disconnect the thermal module cable from the system board Remove four screws Figure 21 Disconnect the thermal module cable and remove four screws 38 Hardware Maintenance Manual ...

Page 45: ...tslookup to look up the Lenovo part number of the following replacement part Thermal module Remove the I O board Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the thermal module on page 38 Step 1 Remove the left SSD Note For details see Remove the solid state drive SSD on page 31 Step 2 Disconnect the cables connected to the IO board Chapter 4 Remov...

Page 46: ...ok up the Lenovo part number of the following replacement part I O board Remove the system board and IO board cable Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD plate L on page 29 Remove the solid state drive SSD plate R on page 30 Remove the solid state drive SSD on page 31 Remove the battery pack on page 32 40 Hardware M...

Page 47: ...Remove the Wi Fi card on page 34 Remove the thermal module on page 38 Step 1 Disconnect cables connected to the system board Figure 25 Disconnect cables connected to the system board Step 2 Remove seven screws and then lift the system board Chapter 4 Removing a FRU or CRU 41 ...

Page 48: ...d cable Use a Golden Key U1 tool to flash write key id information After replacing the system board and re assembling the computer use a pre made Golden Key U1 tool to start the computer and flash write the serial number SN machine type MT product name PN and UUID to the new system board The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32 formatted USB thumb drive Go to...

Page 49: ... off the adhesive tape securing the antenna boards Figure 28 Peel off the antenna tape Step 2 Remove two screws Figure 29 Remove two screws Screw specifications Number of screws M2 x L6 2 Step 3 Turn over the computer and then remove the strip cover Chapter 4 Removing a FRU or CRU 43 ...

Page 50: ...ove the LCD module Make sure the following FRUs CRUs have been removed Remove the lower case on page 28 Remove the thermal module on page 38 Remove the strip cover on page 42 Step 1 Peel off the tape securing the EDP cable Disconnect the EDP cable from the system board Figure 31 Disconnect the EDP cable Step 2 Remove two screws 44 Hardware Maintenance Manual ...

Page 51: ...p 3 Turn over the computer and remove four screws Lift the LCD module slightly Figure 33 Remove four screws and then lift the LCD module Screw specifications Number of screws M2 x L3 4 Step 4 Take out the EDP cable and then remove the LCD module Chapter 4 Removing a FRU or CRU 45 ...

Page 52: ...le from the system board Step 2 Remove the C cover EDP conductive tape Figure 35 Remove the C cover EDP conductive tape Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part C cover EDP conductive tape Remove the upper case Make sure the following FRUs CRUs have been removed Remove the lower case on page 28 Remove the solid state drive SSD p...

Page 53: ...cover on page 42 Remove the LCD module on page 44 Remove the C cover EDP conductive tape on page 46 Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Upper case Disassemble the LCD module The LCD module as a whole is not an FRU Instead it contains FRUs as its components Before disassembling the LCD module make sure it has been detached f...

Page 54: ...el on page 47 Step 1 Remove the hinge cover Figure 37 Remove the hinge cover Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Hinge cover Remove the microphone rubbers Make sure the following FRUs CRUs have been removed Remove the LCD module on page 44 Remove the LCD bezel on page 47 Remove the hinge cover on page 48 Step 1 Remove the m...

Page 55: ...e the LCD panel Make sure the following FRUs CRUs have been removed Remove the LCD module on page 44 Remove the LCD bezel on page 47 Remove the hinge cover on page 48 Step 1 Remove the two pieces of removable tape with tweezers Note The removable tape is not reusable Replace it when replacing related FRUs Figure 39 Remove the removable tape Chapter 4 Removing a FRU or CRU 49 ...

Page 56: ...ofileUpdaterForDisplayReplacement exe file Double click the EXE file Follow the on screen instructions to input the display serial number and click Submit You can find the display serial number and instructions on a sticker fixed to the front of the new LCD part When the new color profiles are installed successfully a prompted window will be displayed Go to https support lenovo com partslookup to ...

Page 57: ...numbers of the following replacement parts Microphone board conductive tape Microphone board Removable tape Remove the EDP cable Make sure the following FRUs CRUs have been removed Remove the LCD module on page 44 Remove the LCD bezel on page 47 Remove the hinge cover on page 48 Remove the LCD panel on page 49 Step 1 Disconnect the EDP cable and then release the EDP cable from the cable guide Remo...

Page 58: ...e LCD module on page 44 Remove the LCD bezel on page 47 Remove the hinge cover on page 48 Remove the LCD panel on page 49 Step 1 Remove two screws and then remove the camera bracket Figure 44 Remove two screws and then remove the camera bracket Screw specifications Number of screws M1 6 x L2 4 2 Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacem...

Page 59: ... cable Figure 45 Remove the camera cable Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement parts Camera cable Removable tape Remove the camera Make sure the following FRUs CRUs have been removed Remove the LCD module on page 44 Remove the LCD bezel on page 47 Remove the hinge cover on page 48 Remove the LCD panel on page 49 Remove the camera...

Page 60: ...44 Remove the LCD bezel on page 47 Remove the hinge cover on page 48 Remove the microphone rubbers on page 48 Remove the LCD panel on page 49 Remove the microphone board on page 50 Remove the EDP cable on page 51 Remove the camera bracket on page 52 Remove the camera cable on page 53 Remove the camera on page 53 Go to https support lenovo com partslookup to look up the Lenovo part number of the fo...

Page 61: ...ke sure to apply the appropriate labels to the replacement base cover Table 6 All base cover labels Label Label name Applied country region a OS label All b Adapter label All c Country label KCC label d TW label e Argentina label f Malaysia label g WL BT label Argentina Brazil TW Israel South Africa Indonesia Morocco Belarus Copyright Lenovo 2021 55 ...

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Page 63: ...Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo All other trademarks are the property of their respective owners 2021 Lenovo ...

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