background image

Screw specifications  

Number of screws  

M2 x L7 

Step 3.  Pry up the latches and then remove the lower case. 

Figure 4. Pry up the latches and remove the lower case

Go to 

https://support.lenovo.com/partslookup

to look up the Lenovo part numbers of the following 

replacement part:

Lower case

Remove the 71Wh battery pack and battery frame (for selected models)

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

“Remove the lower case” on page 28

Step 1.  Disconnect the cable from the system board. Then, remove four screws and the 71 Wh battery 

pack and battery frame. 

Attention:

Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Chapter 4

.

Removing a FRU or CRU

29

Содержание Legion S7 16ARHA7

Страница 1: ...Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 2: ...First Edition March 2022 Copyright Lenovo 2022 ...

Страница 3: ...elected models 31 Remove the Wi Fi card 32 Remove the heat sink 34 Remove the fans 35 Remove the solid state drive 37 Remove the memory shield and memory module 39 Remove the DC in bracket 40 Remove the USB board bracket 42 Remove the speakers 43 Remove the coin cell battery 44 Remove the touch pad cable 45 Remove the USB board 46 Remove the hall sensor board and cable 47 Remove the system board 4...

Страница 4: ...ii Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 5: ...n S7 16IAH7 Lenovo Legion S7 16IAH7 82TF Legion S7 16ARHA7 Lenovo Legion S7 16ARHA7 82UG 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 2022 iii ...

Страница 6: ...iv Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 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...

Страница 8: ...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 they are r...

Страница 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...

Страница 10: ...ectrical 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 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 12: ...6 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 18: ...VORSICHT VORSICHT VORSICHT 12 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 20: ...14 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 22: ...16 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 24: ...18 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

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

Страница 26: ...20 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 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 ...

Страница 28: ...ht 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 CRU list Table 1 Model Legion S7 16IAH7 Lenovo Legion S7 16IAH7 Machine type 82TF CRU Type ac power ada...

Страница 29: ...Us 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 Figure 1 Exploded view Copyright Lenovo 2022 23 ...

Страница 30: ...Memory module 15 Memory module mylar 16 Lower case 17 Screw kit 18 Fans 19 Coin cell battery mylar 20 Coin cell battery 21 71 Wh battery pack 22 Battery frame for 71 Wh battery pack 23 Battery cable for 71 Wh battery pack 24 99 99 Wh battery pack 25 Heat sink 26 Speakers 27 System board hook 28 Hall sensor board 29 Hall sensor board cable 30 Upper case with keyboard 31 Touch pad cable 32 Fingerpri...

Страница 31: ...le 4 FRU CRU categories No FRU CRU category 1 LCD bezel 2 Camera and microphone module 3 Microphone rubbers 4 LCD cover hinge EDP cable camera cable 5 Adhesive tapes 6 LCD panel for selected models Chapter 3 Idetifying FRUs CRUs 25 ...

Страница 32: ...26 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 33: ...ctrical 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 a FRU ensure that you observe the following general guidelines 1 Do not t...

Страница 34: ...ving any FRU or CRU shut down the computer and unplug all power cords from electrical outlets Attention After replacing a 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 electri...

Страница 35: ...f the following replacement part Lower case Remove the 71Wh battery pack and battery frame for selected models Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Step 1 Disconnect the cable from the system board Then remove four screws and the 71 Wh battery pack and battery frame Attention Use your fingernail to pull the connector to unplug it Do not pull the c...

Страница 36: ...ns Number of screws M2 5 x L3 5 4 Step 2 Remove four screws Then remove the battery pack from the battery frame Figure 6 Remove the battery pack from the battery frame Screw specifications Number of screws M2 5 x L3 5 4 Step 3 Remove the battery pack cable 30 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 37: ...Wh battery pack Battery frame Battery cable Remove the 99 99 Wh battery pack for selected models Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Step 1 Disconnect the cable from the system board Attention Use your fingernail to pull the connector to unplug it Do not pull the cable Chapter 4 Removing a FRU or CRU 31 ...

Страница 38: ...battery pack Screw specifications Number of screws M2 5 x L3 5 4 Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part Battery pack Remove the Wi Fi card Make sure the following FRUs or CRUs have been removed 32 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 39: ...ttention Use your fingernail to pull the connector to unplug it Do not pull the cable Figure 10 Disconnect the battery pack cable remove one screw and disconnect the antennas Screw specifications Number of screws M2 5 x L3 5 1 Step 2 Remove the Wi Fi card by pulling it away from the slot Figure 11 Remove the Wi Fi card Chapter 4 Removing a FRU or CRU 33 ...

Страница 40: ...een removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernail to pull the connector to unplug it Do not pull the cable Figure 12 Disconnect the battery pack cable Step 2 Peel off the two thermal mylar and retain them for reuse when installing the new heat sink 34 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 41: ...five screws and remove the heat sink Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part Heat sink Remove the fans Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the heat sink on page 34 Chapter 4 Removing a FRU or CRU 35 ...

Страница 42: ...l to pull the connector to unplug it Do not pull the cable Figure 15 Disconnect the battery pack cable Step 2 Disconnect the fan cables from the system board Figure 16 Disconnect the fan cables Step 3 Remove six screws Then remove the fans 36 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 43: ...vo part numbers of the following replacement parts Fan Remove the solid state drive Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernail to pull the connector to unplug it Do not pull the cable Chapter 4 Removing a FRU or CRU 37 ...

Страница 44: ...tate drive and the CU foil mylar Screw specifications Number of screws M2 5 x L3 5 1 Note For LCD panel with the factory color calibration feature do the following to install new color profiles 1 Go to https pcsupport lenovo com us en downloads DS54395 to download the installation software Double click the EXE file and follow the on screen instructions to finish the installation 38 Lenovo Legion S...

Страница 45: ...ove the memory shield and memory module Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Then remove the thermal mylar Attention Use your fingernail to pull the connector to unplug it Do not pull the cable Figure 20 Disconnect the battery pack cable and remove the thermal mylar Step 2 Remove the m...

Страница 46: ...t Memory shield Memory module Memory module mylar Remove the DC in bracket Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernail to pull the connector to unplug it Do not pull the cable 40 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 47: ...Figure 22 Disconnect the battery pack cable Step 2 Remove the thermal mylar Figure 23 Remove the thermal mylar Step 3 Remove two screws and the DC in bracket Chapter 4 Removing a FRU or CRU 41 ...

Страница 48: ...the following replacement part DC in bracket DC in bracket mylar Remove the USB board bracket Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernail to pull the connector to unplug it Do not pull the cable 42 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 49: ...rews and the USB board bracket Screw specifications Number of screws M1 6 x L2 0 2 Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part USB board bracket Remove the speakers Make sure the following FRUs CRUs have been removed Chapter 4 Removing a FRU or CRU 43 ...

Страница 50: ... com partslookup to look up the Lenovo part numbers of the following replacement parts Speaker Remove the coin cell battery Make sure the following FRUs CRUs have been removed Remove the lower case on page 28 Remove the 71Wh battery pack and battery frame for selected models on page 29 Remove the 99 99 Wh battery pack for selected models on page 31 Step 1 Remove the coin cell battery mylar Then di...

Страница 51: ...ove the touch pad cable Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the 71Wh battery pack and battery frame for selected models on page 29 Remove the 99 99 Wh battery pack for selected models on page 31 Step 1 Disconnect the touch pad cable from the system board and the touch pad Then remove the touch pad cable Chapter 4 Removing a FRU or CRU 45 ...

Страница 52: ... following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the 71Wh battery pack and battery frame for selected models on page 29 Remove the 99 99 Wh battery pack for selected models on page 31 Remove the heat sink on page 34 Remove the fans on page 35 Step 1 Disconnect the USB board cable connector from the USB board Then remove one screw and the USB board 46 Lenovo Legion ...

Страница 53: ...d Remove the hall sensor board and cable Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the 71Wh battery pack and battery frame for selected models on page 29 Remove the 99 99 Wh battery pack for selected models on page 31 Remove the solid state drive on page 37 Step 1 Disconnect and remove the hall sensor board cable Chapter 4 Removing a FRU or CRU ...

Страница 54: ... partslookup to look up the Lenovo part numbers of the following replacement part Hall sensor board Hall sensor board cable Remove the system board Make sure the following FRUs or CRUs have been removed Remove the lower case on page 28 Remove the 71Wh battery pack and battery frame for selected models on page 29 48 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 55: ...35 Remove the heat sink on page 34 Remove the DC in bracket on page 40 Step 1 Disconnect the fingerprint cable EDP cable hall sensor board cable speaker cables coin cell battery cable keyboard and keybaord backlight cable touchpad cable USB board cable from system board Figure 33 Disconnect all cables Step 2 Remove one screw Then remove the system board hook Chapter 4 Removing a FRU or CRU 49 ...

Страница 56: ...ber of screws M1 6 x L2 1 Step 3 Remove two screws and the system board Figure 35 Remove two screws and the system board Screw specifications Number of screws M1 6 x L2 2 Step 4 Remove the USB board cable from the system board 50 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 57: ... 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 http support lenovo com us en solutions HT506954 for detailed instructions on how to create and use a Goldern Key U1 tool Remove the hinge cover and antenna assembly ...

Страница 58: ...d EDP cable Step 2 Remove five screws Figure 38 Remove five screws Screw specifications Number of screws M2 x L3 3 5 Step 3 Turn over the computer and remove the hinge cover and antenna assembly 52 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 59: ...cover and the antenna assembly Remove the strip cover Make sure the following FRUs or CRUs have been removed Remove the hinge cover and antenna assembly on page 51 Step 1 Remove the strip cover Figure 40 Remove the strip cover Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part Chapter 4 Removing a FRU or CRU 53 ...

Страница 60: ...move the system board on page 48 Step 1 Remove the foil mylar Figure 41 Disconnect and remove the hall sensor board cable Step 2 Remove two screws Then remove the fingerprint reader with cable Figure 42 Remove two screws and the fingerprint reader with cable 54 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 61: ...ment part Fingerprint reader with cable Remove the upper case with keyboard Make sure the following FRUs CRUs have been removed Remove the strip cover on page 53 Step 1 Remove four screws Figure 43 Remove four screws Screw specifications Number of screws M2 5 x L4 4 Step 2 Turn over the computer and remove six screws Chapter 4 Removing a FRU or CRU 55 ...

Страница 62: ...yboard Figure 45 Remove the upper case with keyboard Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part Upper case with keyboard Remove the LCD bezel Make sure the following FRUs CRUs have been removed 56 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 63: ...e LCD bezel otherwise the hooks may be damaged The lower side of the LCD bezel is fixed to the LCD panel with adhesive tape Detach with care Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part LCD bezel Remove the LCD panel Make sure the following FRUs CRUs have been removed Remove the upper case with keyboard on page 55 Remove the LCD be...

Страница 64: ...ose the X Rite Color Assistant program 2 Go to https pcsupport lenovo com us en downloads DS543953 to download the installation software Double click the EXE file and follow the on screen instructions to finish the installation 3 Go to C Program files x86 X Rite Color Assistant and locate the ProfileUpdaterForDisplayReplacement exe file Double click the EXE file Follow the on screen instructions t...

Страница 65: ... lenovo com partslookup to look up the Lenovo part numbers of the following replacement part LCD panel Remove the camera board and microphone rubbers Make sure the following FRUs or CRUs have been removed Remove the LCD panel on page 57 Step 1 Disconnect the camera board cable Figure 49 Disconnect the camera board cable Step 2 Remove the camera board Chapter 4 Removing a FRU or CRU 59 ...

Страница 66: ...he microphone rubbers Figure 51 Remove the microphone rubbers Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement part Camera Microphone rubber 60 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 67: ...te labels to the replacement base cover Table 6 All lower case labels Label Label name Applied country region Label dimensions a Adapter label for 230 W b Adapter label for 170 W c Country label Vietnam energy label 10 mm x 9 mm d TW vision warning label 70 mm x 10 mm e MCMC label f Argentina 68 mm x 6 mm g Belarus h WL BT label Argentina 32 mm x 10 mm Copyright Lenovo 2022 61 ...

Страница 68: ...Table 6 All lower case labels continued I South Africa 20 mm x 10 mm j Brazil 16 5 mm x 15 mm k OS label 16 mm x 22 5 mm 62 Lenovo Legion S7 16 7 Hardware Maintenance Manual ...

Страница 69: ...Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo All other trademarks are the property of their respective owners 2022 Lenovo ...

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