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Lenovo LOQ 15IRH8 Hardware Maintenance Manual
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Lenovo LOQ 15IRH8 Hardware Maintenance Manual

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Lenovo LOQ Series

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Summary of Contents for Lenovo LOQ 15IRH8

  • Page 1 Hardware Maintenance Manual Lenovo LOQ Series...
  • Page 2 First Edition (March 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Trademarks ....lxi Remove the thermal module ..Remove the DC-in bracket ..© Copyright Lenovo 2023...
  • 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 2023...
  • 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 2023...

  • 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 2023...

  • 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 2023...
  • Page 30 Figure 1. Lenovo LOQ series 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, but it contains FRUs as its components. Deco cover Upper case I/O board cable System board I/O board CMOS battery Thermal module 2242 solid-state drive (SSD)* 2280 solid-state drive (SSD)*...
  • Page 32 Figure 2. Lenovo LOQ series LCD module — exploded view Hardware Maintenance Manual...
  • Page 33 Table 3. FRU categories for the LCD module FRU (CRU) category LCD cover Hinge covers (for 15-inch models) Hinges (for 15-inch models) Hinge covers (for 16-inch models) Hinges (for 16-inch models) Camera board Sensor board Microphone rubber (for 16-inch models) Removable tape LCD panel Strip cover (for 16-inch models only)
  • 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 Deco Cover

    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 Lower Case

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

  • Page 38: Remove The 60W Battery Pack (For Selected Models)

    Figure 5. Pry up the latches and 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 60W battery pack (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The 80W Battery Pack (For Selected Models)

    Number of screws M2 x L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: 60W battery pack Remove the 80W battery pack (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 40: Remove The 2280 Solid-State Drive (Ssd) (For Selected Models)

    Figure 8. Remove the 2242 solid-state drive (for selected models) Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: 2242 solid-state drive (SSD) Remove the 2280 solid-state drive (SSD) (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The Thermal Module

    Screw specifications Number of screws M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: 2280 solid-state drive (SSD) Remove the thermal module Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The Dc-In Bracket

    Screw specifications Number of screws M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Thermal module Remove the DC-in bracket Make sure the following FRUs (or CRUs) have been removed. “Remove the deco cover” on page 30 “Remove the lower case”...

  • Page 43: Remove The Memory Module

    Figure 11. Remove the DC-in bracket Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: DC-in bracket Remove the memory module Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The Touchpad Board Bracket

    Open the buckles and then remove the memory. Figure 13. Open the buckles and then remove the memory Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Memory shielding Memory Remove the touchpad board bracket Make sure the following FRUs (CRUs) have been removed.

  • Page 45: Remove The Wi-Fi Card

    Figure 14. Remove the touchpad board bracket Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad board bracket Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed.
  • Page 46 Wi-Fi card by pulling it away from the slot. Figure 16. Remove the Wi-Fi card Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Mylar Wi-Fi card Hardware Maintenance Manual...

  • Page 47: Remove The Cmos Battery (For 15-Inch Models)

    Disconnect the CMOS battery cable from the I/O board and then remove the CMOS battery. Figure 17. Remove the CMOS battery (for 15–inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: CMOS battery Remove the CMOS battery (for 16–inch models)

  • Page 48: Remove The I/O Board Cable

    Figure 18. Remove the CMOS battery (for 16–inch models) 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 cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 49: Remove The I/O Board

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board cable Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the deco cover” on page 30 “Remove the lower case” on page 31 “Remove the 2280 solid-state drive (SSD) (for selected models)”...

  • Page 50: Remove The Speakers (For 16-Inch Models)

    Disconnect the speaker cable connector from the system board and release the speaker cable from the cable guide. Remove the speakers. Figure 21. Remove the speakers (for 15–inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the speakers (for 16–inch models)

  • Page 51: Remove The System Board

    Figure 22. Remove the speakers (for 16–inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the deco cover” on page 30 “Remove the lower case”...
  • Page 52 Figure 23. Remove the tape Step 2. Disconnect cables connected to the system board. Figure 24. Disconnect cables connected to the system board Step 3. Remove three screws and then remove the system board. Hardware Maintenance Manual...

  • Page 53: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    M2 x L3 M2 x L8 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: System board 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.

  • Page 54: Remove The Upper Case

    “Remove the I/O board cable” on page 42 “Remove the system board” on page 45 Step 1. Release the antenna cable from the cable guide. Figure 26. Release the antenna cable Step 2. Turn over the computer and remove four screws. Lift the LCD module carefully. Figure 27.

  • Page 55: Disassemble The Lcd Module

    “Remove the speakers (for 16–inch models)” on page 44 “Remove the system board” on page 45 “Remove the LCD module” on page 47 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case Disassemble the LCD module The LCD module as a whole is not an FRU.

  • Page 56: Remove The Strip Cover (For 16-Inch Models)

    Figure 28. Remove the LCD bezel (for 15–inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the strip cover (for 16–inch models) Make sure the following unit has been removed.

  • Page 57: Remove The Lcd Panel

    Remove the LCD bezel. Note: The LCD bezel is fragile and should be replaced if damaged. Figure 31. Remove the LCD bezel (for 16–inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.
  • Page 58 Place the LCD panel upside down on a flat surface slightly. Remove the tape. Disconnect the EDP cable from the LCD panel. Figure 33. Disconnect the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement parts: LCD panel Removable tape Hardware Maintenance Manual...

  • Page 59: Remove The Microphone Rubber

    “Remove the LCD panel” on page 51 Step 1. Remove the microphone rubber. Figure 34. 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 sensor board Make sure the following FRUs (CRUs) have been removed.

  • Page 60: Remove The Camera Board

    Figure 35. Remove the sensor board Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Sensor board Remove the camera board Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 47 “Remove the LCD bezel (for 15–inch models)”...

  • Page 61: Remove The Edp Cable

    Remove the tape. Disconnect the sensor board cable connector and the camera board cable connector. Remove the EDP cable. 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 hinges and hinge covers (for 15–inch models) Make sure the following FRUs (CRUs) have been removed.
  • Page 62 Remove four screws then remove the hinge covers. Screw specifications Number of screws M2 x L3 Figure 39. Remove the hinge covers (for 15-inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Hinges Hinge covers Hardware Maintenance Manual...

  • Page 63: Remove The Hinges And Hinge Covers (For 16- Inch Models)

    Remove the hinges and hinge covers (for 16–inch models) Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 47 “Remove the LCD bezel (for 15–inch models)” on page 49 “Remove the strip cover (for 16–inch models)” on page 50 “Remove the LCD bezel (for 16–inch models)”...

  • Page 64: Remove The Lcd Cover

    Screw specifications Number of screws M2 x L3 Figure 41. Remove the hinge covers (for 16-inch models) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Hinges Hinge covers Remove the LCD cover Make sure the following FRUs (CRUs) have been removed.

  • Page 65: Appendix A. Label Locations

    70 mm x 10 mm Adapter label Worldwide 65 mm x 20 mm Rating label Indonesia 26 mm x 10 mm Country/region label 50 mm x 43 mm Brazil 35 mm x 15 mm Israel/US/CA/TW 32 mm x 10 mm © Copyright Lenovo 2023...
  • Page 66 Table 5. All base cover labels (continued) South Africa 20 mm x 10 mm Malaysia/Indonesia 15 mm x 10 mm Japan 35 mm x 10 mm Vietnam 10 mm x 9 mm India 22 mm x 30 mm Hardware Maintenance Manual...

  • Page 67: Trademarks

    Trademarks Lenovo, the Lenovo logo, Lenovo LOQ and the LOQ logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2023 Lenovo.

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