Lenovo 82RB Hardware Maintenance Manual
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Lenovo 82RB Hardware Maintenance Manual

Lenovo 82RB Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo Legion 5 (15", 7)

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Summary of Contents for Lenovo 82RB

  • Page 1 Hardware Maintenance Manual Lenovo Legion 5 (15″, 7)
  • Page 2 First Edition (January 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Trademarks ....lvii Remove the battery pack (Legion 5 15ARH7H, Legion 5 15ARH7) ....© 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

    • 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 2022...
  • Page 30 Figure 1. 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 an FRU, it contains FRUs as its components. Strip cover Upper case (with touchpad, keyboard, waterproof breath film and antenna cables) DC-in bracket System board Bracket...
  • Page 32 Figure 2. LCD module - exploded view Hardware Maintenance Manual...
  • Page 33 Table 3. FRU categories for the LCD module FRU (CRU) category LCD bezel Hinge cover LCD panel EDP cable Removable tape Camera bracket Microphone rubber Camera board Camera cable Tape Sensor board LCD cover 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)

    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 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)

    Figure 6. Remove the SSD plate (L) 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 (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)

    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. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate (L)”...

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

    Remove the SSD stand off. Figure 10. Remove the SSD stand off Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: SSD stand off Remove the battery pack (Legion 5 15IAH7H, Legion 5 15IAH7) Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The Battery Pack (Legion 5 15Arh7H, Legion 5 15Arh7)

    Figure 11. Remove six screws and remove the battery pack Screw specifications Number of screws M2 x L4.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Battery pack battery sponge Remove the battery pack (Legion 5 15ARH7H, Legion 5 15ARH7) Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The Touchpad Board Cable

    Figure 13. 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 speakers Make sure the following FRUs (CRUs) have been removed.

  • Page 43: Remove The Wi-Fi Card

    Disconnect the speaker cable from the system board and release the speaker cable from the cable guide. Remove the speakers. Figure 14. 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 Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 44: Remove The Memory Module

    Release the two latches on both edges of the socket at the same time. Then, remove the memory module. Figure 17. Remove the memory module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Memory module...

  • Page 45: Remove The Dc-In Bracket

    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 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 46: Remove The Cmos Battery

    Loosen six screws and then remove the thermal module. Figure 20. Loosen six screws and 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 CMOS battery Make sure the following FRUs (or CRUs) have been removed.

  • Page 47: Remove The I/O Board

    Detach the CMOS battery cable connector and then remove the CMOS battery. 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 I/O board Make sure the following FRUs (or CRUs) have been removed.

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

    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 the I/O 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 (L)”...
  • Page 49 Separate the I/O board cable from the system board. Figure 26. Separate the I/O board cable from the system board 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 50: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to for detailed instructions on how to create http://support.lenovo.com/us/en/solutions/HT506954 and use a Golden Key U1 tool. Remove the strip cover Make sure the following FRUs (or CRUs) have been removed.

  • Page 51: Remove The Lcd Module

    Figure 28. 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. “Remove the lower case” on page 30 “Remove the solid-state drive (SSD) plate (L)”...

  • Page 52: Remove The Upper Case (With Touchpad, Keyboard, Waterproof Breath Film And Antenna Cables)

    Step 2. Remove two screws and then lift the LCD module carefully. Figure 30. Remove two screws and lift the LCD module Screw specifications Number of screws M2.5 x L7 Step 3. Take out the EDP cable and then remove the LCD module. Figure 31.

  • Page 53: Disassemble The Lcd Module

    “Remove the strip cover” on page 44 “Remove the LCD module” on page 45 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case (with touchpad, 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 Panel

    Remove the hinge cover. Figure 33. 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 LCD panel Make sure the following FRUs (CRUs) have been removed.

  • Page 55: Remove The Edp Cable

    Lift the LCD panel slightly. Peel off the tape and then disconnect the EDP cable from the LCD panel and then remove the LCD panel. Figure 36. Disconnect the EDP cable and remove the LCD panel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD panel...

  • Page 56: Remove The Sensor Board

    Figure 37. Remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: EDP cable Removable tape Remove the sensor board Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 45 “Remove the LCD bezel”...

  • Page 57: Remove The Camera Bracket And Camera Cable

    Figure 39. Remove the sensor board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Tape Sensor board Removable tape Remove the camera bracket and camera cable Make sure the following FRUs (CRUs) have been removed.

  • Page 58: Remove The Microphone Rubber

    Figure 41. Remove the camera cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Camera cable Camera bracket Removable tape Remove the microphone rubber Make sure the following FRUs (CRUs) have been removed.

  • Page 59: Remove The Camera Board

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone rubber Removable tape Remove the camera board Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 45 “Remove the LCD bezel” on page 47 “Remove the LCD panel”...
  • Page 60 “Remove the microphone rubber” on page 52 “Remove the camera board” on page 53 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Hardware Maintenance Manual...

  • Page 61: Appendix A. Label Locations

    20 mm x 10 mm Morocco 10 mm x 10 mm Indonesia 15 mm x 10 mm Belarus 40 mm x 8 mm Argentina 32 mm x 10 mm Country label Korea (print) 50 mm x 16 mm © Copyright Lenovo 2022...
  • Page 62 Table 5. All base cover labels (continued) TW vision warning label 70 mm x 10 mm Indonesia label 26 mm x 10 mm Vietnam energy label 10 mm x 9 mm Argentina 68 mm x 6 mm Malaysia MCMC label 8 mm x 8 mm 22 mm x 30 mm 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. © 2022 Lenovo.

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