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Lenovo 16ACH6H Hardware Maintenance Manual
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Lenovo 16ACH6H Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo Legion 5 Pro (16", 6)

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  • Page 1 Hardware Maintenance Manual Lenovo Legion 5 Pro (16″, 6)
  • Page 2 First Edition (April 2021) © Copyright Lenovo 2021.

  • Page 3: Table Of Contents

    Remove the thermal module ..Trademarks ....lvii Remove the Wi-Fi card ... . © Copyright Lenovo 2021...
  • 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 2021...
  • 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 2021...

  • 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 2021...

  • Page 28: Cru List

    • Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card • Improper disc insertion or use of an external optical drive • Fuses blown by attachment of a non-supported device •...

  • 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 2021...
  • Page 30 Figure 1. Lenovo Legion 5 Pro (16″, 6) exploded view Hardware Maintenance Manual...
  • Page 31 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not a FRU, it contains FRUs as its components. Strip cover Upper case (with touchpad, power button, keyboard, waterproof breath film and antenna cables) DC-in bracket System board I/O board cable...
  • Page 32 Figure 2. Lenovo Legion 5 Pro (16″, 6) LCD module — exploded view Table 3. FRU categories for the LCD module FRU (CRU) category LCD bezel (with removable tape) Hinge cover LCD panel Removable tape Camera bracket Hardware Maintenance Manual...
  • Page 33 Table 3. FRU categories for the LCD module (continued) Camera board Camera cable Microphone rubber Microphone board conductive tape Microphone board LCD cover 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 Battery Pack

    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 to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed.
  • Page 38 Figure 6. Remove three screws then remove the right SSD plate Screw specifications Number of screws M2 x L4.5 Step 3. Remove one screw. Figure 7. Remove one screw Screw specifications Number of screws M2 x L2.0 Step 4. Remove the SSD by pulling it away from the slot. Figure 8.

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

    Figure 9. Remove the battery pack 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: Battery pack Remove the solid-state drive (SSD) plate Make sure the following FRU (or CRU) has been removed.

  • Page 40: Remove The Solid-State Drive (Ssd)

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

  • Page 41: Remove The Solid-State Drive (Ssd) Stand Off

    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 solid-state drive (SSD) stand off Make sure the following FRU (or CRU) has been removed.

  • Page 42: Remove The Wi-Fi Card

    Loosen six screws and then remove the thermal module. Figure 15. Loosen six screws and then remove the thermal module. Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Thermal module Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 43: Remove The Dc-In Bracket

    Figure 16. Remove the Wi-Fi card Screw specifications Number of screws M2 x L2.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the DC-in bracket Make sure the following FRU (or CRU) has been removed.

  • Page 44: Remove The I/O Board

    Screw specifications Number of screws M2 x L6.0 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: DC-in bracket Remove the I/O board Make sure the following FRU (or CRU) have been removed. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate”...

  • Page 45: Remove The Memory Module

    Note: Ensure that the switch button and the shutter button are off at the same time when replacing the I/O board. Otherwise, the I/O board may be damaged. Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: I/O board Remove the memory module Make sure the following FRU (or CRU) has been removed.

  • Page 46: Remove The Cmos Battery

    Figure 20. Open the buckles and then remove the memory Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Memory shielding Memory Remove the CMOS battery Make sure the following FRU (or CRU) has been removed.

  • Page 47: Remove The Speakers

    Figure 21. Remove the CMOS battery Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: CMOS battery Remove the speakers Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the battery pack”...

  • Page 48: Remove The System Board And The I/O Board Cable

    Step 1. Detach the touchpad board cable connectors and then remove the touchpad board cable. Figure 23. Remove the touchpad board cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad board cable Remove the system board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed.
  • Page 49 Figure 24. Disconnect cables connected to the system board Step 2. Remove four screws and then lift the system board. Figure 25. Remove four screws and then lift the system board Screw specifications Number of screws M2 x L4.5 M2 x L2.2 Step 3.

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

    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 https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board I/O board cable...

  • Page 51: Remove The Lcd Module

    Step 2. Turn over the computer and then remove the strip cover. Figure 29. Turn over the computer and then 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 LCD module Make sure the following FRUs (CRUs) have been removed.
  • Page 52 Figure 30. Disconnect the EDP cable from the system board and then remove four screws Screw specifications Number of screws M2.5 x L7 M2 x L3.0 Step 2. Turn over the computer and remove two screws. Lift the LCD module carefully. Figure 31.

  • Page 53: Remove The Upper Case (With Touchpad, Power Button, Keyboard, Waterproof Breath Film And Antenna Cables)

    “Remove the strip cover” on page 44 “Remove the LCD module” on page 45 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case (with touchpad, power button, keyboard, waterproof breath film and antenna cables) Disassemble the LCD module The LCD module as a whole is not an FRU.

  • Page 54: Remove The Lcd Bezel (With Removable Tape)

    Remove the LCD bezel. Note: The LCD bezel is fragile and should be replaced if damaged. Figure 33. 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 (with removable tape) Remove the hinge cover Make sure the following FRUs (CRUs) have been removed.

  • Page 55: Remove The Microphone Rubber

    “Remove the hinge cover” on page 48 Step 1. Remove the microphone rubber. Figure 35. Remove the microphone rubber Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Microphone rubber Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.
  • Page 56 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 57: Remove The Microphone

    Step 2. Disconnect cables connected to the microphone board. Remove the microphone board. Figure 39. Remove the microphone board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone board conductive tape Microphone board...

  • Page 58: Remove The Camera Bracket And Camera Cable

    Detach the camera cable connectors and then remove the camera cable. Figure 41. Detach the camera cable connectors and then remove the camera cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hardware Maintenance Manual...

  • Page 59: Remove The Camera Board

    Disconnect cable connected to the camera board and then remove the camera board. Figure 42. Disconnect cable connected to the camera board and then remove the camera board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Camera board Removable tape Remove the EDP cable Make sure the following FRUs (CRUs) have been removed.

  • Page 60: Remove The Lcd Cover

    “Remove the camera bracket and camera cable” on page 52 “Remove the camera board” on page 53 “Remove the EDP cable” on page 53 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD cover Hardware Maintenance Manual...

  • Page 61: Appendix A. Label Locations

    68 mm x 6 mm Brazil 16.5 mm x 15 mm US/CA/TW label 32 mm x 10 mm Israel 32 mm x 10 mm South Africa 20 mm x 10 mm Belarus 40 mm x 8 mm © Copyright Lenovo 2021...
  • Page 62 Hardware Maintenance Manual...

  • Page 63: Trademarks

    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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