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Lenovo 16IAX7 Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo Legion 7 (16", 7)

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  • Page 1 Hardware Maintenance Manual Lenovo Legion 7 (16″, 7)
  • Page 2 First Edition (May 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Trademarks ....lxiii Remove the DC-in bracket ..Remove the Wi-Fi card ... . © Copyright Lenovo 2022...
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    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...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. • Disconnect all power before: – Performing a mechanical inspection – Working near power supplies © Copyright Lenovo 2022...

  • Page 8: Safety Inspection Guide

    This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.

  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Grounding Requirements

    Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding 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: •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Hardware Maintenance Manual...

  • Page 27: Chapter 2. General Checkout

    • Scratched (cosmetic) parts • Distortion, deformation, or discoloration of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force • Damage caused by liquid spilled into the system © Copyright Lenovo 2022...

  • Page 28: Cru List

    • 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 16IAX7 and Lenovo Legion 7 16IAX7 (Machine type: 82TD) Type ac power adapter...

  • Page 29: 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. © Copyright Lenovo 2022...
  • Page 30 Figure 1. Lenovo Legion 7 (16″, 7) exploded view Hardware Maintenance Manual...
  • Page 31 Table 3. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not an FRU. It contains FRUs as its components. Hinge cap Strip cover Upper case C cover EDP conductive tape Fingerprint module Fingerprint board cable Fingerprint sponge System board...
  • Page 32 Figure 2. Lenovo Legion 7 (16″, 7) LCD module — exploded view Table 4. FRU categories for the LCD module FRU (CRU) category LCD cover Camera cable Removable tape LCD panel Hinge cover LCD bezel Camera bracket Microphone rubber Hardware Maintenance Manual...
  • Page 33 Table 4. FRU categories for the LCD module (continued) Camera LCD connect tape EDP cable Chapter 3 Identifying FRUs (CRUs)
  • Page 34 Hardware Maintenance Manual...

  • Page 35: Chapter 4. Removing A Fru Or Cru

    Chapter 4. Removing a FRU or CRU Service tools 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.

  • Page 36: Remove The Lower Case

    3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing an FRU, move it in the direction as shown by the arrow in the illustration. 5.

  • Page 37: Remove The Solid-State Drive (Ssd) Plate L

    Pry up the latches and then remove the lower case. Figure 4. Pry up the latches and then remove the lower case Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Lower case Remove the solid-state drive (SSD) plate L Make sure the following FRU (or CRU) has been removed.

  • Page 38: Remove The Solid-State Drive (Ssd) Plate R

    Number of screws M2 x L4.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Solid-state drive (SSD) plate L Remove the solid-state drive (SSD) plate R Make sure the following FRU (or CRU) has been removed.

  • Page 39: Remove The Solid-State Drive (Ssd)

    Figure 8. Remove the right SSD plate Screw specifications Number of screws M2 x L4.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Solid-state drive (SSD) plate R Remove the solid-state drive (SSD) Make sure the following FRUs (or CRUs) have been removed.

  • Page 40: Remove The Battery Pack

    Double-click the EXE file and follow the on-screen instructions to finish the installation. 2. X-RiteColorAssistant.exe will auto run. Click Restore Profile button from prompted window to restore the profile from Lenovo cloud. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Solid-state drive (SSD) Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The Memory Module

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the memory module Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 30 Step 1.

  • Page 42: Remove The Dc-In Bracket

    Figure 14. Remove the two screws then remove the DC-in bracket Screw specifications Number of screws M2 x L6 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: DC-in bracket Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed.

  • Page 43: Remove The Cmos Battery

    Figure 15. Remove the Wi-Fi card Number of screws Screw specifications M2 x L2 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the CMOS battery Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The Touchpad Board Cable

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: CMOS battery Remove the touchpad board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate R” on page 32 “Remove the battery pack”...

  • Page 45: Remove The Speakers

    Figure 18. Remove the C cover shield mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: C cover shield mylar Remove the speakers Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate L”...

  • Page 46: Remove The Thermal Module

    Screw specifications Number of screws M2 x L2 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 30 “Remove the solid-state drive (SSD) plate L”...

  • Page 47: Remove The I/O Board

    Step 2. Loosen six screws and then remove the thermal module. Figure 22. Loosen six screws and then remove the thermal module Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Thermal module Remove the I/O board Make sure the following FRUs (or CRUs) have been removed.

  • Page 48: Remove The System Board And Io Board Cable

    Figure 24. Remove the I/O board Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board Remove the system board and IO board cable Make sure the following FRUs (or CRUs) have been removed.
  • Page 49 “Remove the battery pack” on page 34 “Remove the memory module” on page 35 “Remove the DC-in bracket” on page 36 “Remove the Wi-Fi card” on page 36 “Remove the thermal module” on page 40 Step 1. Disconnect cables connected to the system board. Figure 25.

  • Page 50: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Turn over the system board. Disconnect the I/O board cable from the system board and then remove the I/O board cable. Figure 27. Remove the I/O board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board...
  • Page 51 “Remove the solid-state drive (SSD) plate R” on page 32 “Remove the solid-state drive (SSD)” on page 33 “Remove the battery pack” on page 34 “Remove the memory module” on page 35 “Remove the DC-in bracket” on page 36 “Remove the Wi-Fi card” on page 36 “Remove the thermal module”...

  • Page 52: Remove The Strip Cover

    Figure 30. Remove the I/O board cable Screw specifications Number of screws M1.6 x L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint module Fingerprint board cable Fingerprint sponge Remove the strip cover Make sure the following FRUs (or CRUs) have been removed.
  • Page 53 Figure 31. Peel off the tape Step 2. Remove eight screws. Figure 32. Remove two screws Screw specifications Number of screws M2 x L3.5 Step 3. Turn over the computer and then remove the strip cover with tweezers. Chapter 4 Removing a FRU or CRU...

  • Page 54: Remove The Hinge Cap

    Figure 33. Remove the strip cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Strip cover Remove the hinge cap Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate L”...

  • Page 55: Remove The Lcd Module

    Screw specifications Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Hinge cap Remove the LCD module Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate L”...

  • Page 56: Remove Ceramic Keycaps From The Replaced Upper Case(If Installed By Customers)

    Screw specifications Number of screws M2 x L2.3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Remove ceramic keycaps from the replaced upper case(if installed by customers) This computer model came with a factory-supplied keycap kit in the product package. The kit contains 4 ceramic keycaps, along with scissors and a detachment tool, that users can use to swap keys of the same shape and size.

  • Page 57: The Keycap Kit As A Fru

    The keycap kit as a FRU The keycap kit supplied with the computer is not covered by any warranty. If its items are damaged, customer can get the kit replaced by paying a service fee. The kit is available as a FRU and contains the following items: Ceramic keycaps ×...
  • Page 58 Figure 38. Install a new keycap Step 2. Push down the upper edge of the keycap until it fits into place. Note: Make sure the keycap is firmly installed and does not move easily. Remove scissors The scissors supplied in the keycap kit can only be used to replace those underneath keys W, A, S, and D. Step 1.

  • Page 59: Disassemble The Lcd Module

    Figure 40. Install new scissors Step 2. Align the replacement scissors with the installation position. Step 3. Install the upper edge of the scissors by pushing it down and then a little inward. Step 4. Push down the lower part of the scissors until it fits into place. Disassemble the LCD module The LCD module as a whole is not an FRU.

  • Page 60: Remove The Hinge Cover

    Figure 41. Remove the LCD bezel Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the hinge cover Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 49 “Remove the LCD bezel”...

  • Page 61: Remove The Lcd Panel

    LCD part. When the new color profiles are installed successfully, a prompted window will be displayed. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts:...

  • Page 62: Remove The Edp Cable

    “Remove the LCD panel” on page 55 Step 1. Disconnect the EDP cable and then remove the EDP cable. Figure 44. Remove the EDP cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: EDP cable Removable tape Remove the camera bracket Make sure the following FRUs (CRUs) have been removed.

  • Page 63: Remove The Microphone Rubbers

    Figure 45. Remove two screws and then remove the camera bracket Screw specifications Number of screws M1.6 x L2.4 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Camera bracket Removable tape Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.

  • Page 64: Remove The Camera

    Figure 46. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Microphone rubbers Removable tape Remove the camera Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 49 “Remove the LCD bezel”...

  • Page 65: Remove The Camera Cable

    Figure 47. Remove the camera Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera Removable tape Remove the camera cable Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 49 “Remove the LCD bezel”...

  • Page 66: Remove The Lcd Cover

    “Remove the microphone rubbers” on page 57 “Remove the camera” on page 58 “Remove the camera cable” on page 59 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD cover Removable tape Hardware Maintenance Manual...

  • Page 67: Appendix A. Label Locations

    68 mm x 6 mm Vietnam 10 mm x 9 mm 70 mm x 10 mm Brazil 16.5 mm x 15 mm WL/BT label South Africa 20 mm x 10 mm Argentina 32 mm x 10 mm © Copyright Lenovo 2022...
  • Page 68 Hardware Maintenance Manual...

  • Page 69: Trademarks

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

This manual is also suitable for:

Legion 716arha7

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