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Lenovo 14ABR8 Hardware Maintenance Manual

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IdeaPad Slim 5 Light (14", 8)
Hardware Maintenance Manual

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Summary of Contents for Lenovo 14ABR8

  • Page 1 IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 2 First Edition (February 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Trademarks ....lvii Remove the Wi-Fi card ... . Remove the solid-state drive..© Copyright Lenovo 2023...
  • Page 4 IdeaPad Slim 5 Light (14″, 8) 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 IdeaPad Slim 5 Light (14″, 8) 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 IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 IdeaPad Slim 5 Light (14″, 8) 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

    • 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. IdeaPad Slim 5 Light 14ABR8 and IdeaPad Slim 5 Light 14ABR8 1 (Machine type: 82XS) 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. Figure 1. System exploded view © Copyright Lenovo 2023...
  • Page 30 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Upper case (with keyboard) Touchpad cable Fingerprint board* Fingerprint board cable* I/O board cable I/O board Heat sink Battery pack Lower case Speakers Wi-Fi card Solid-state drive (SSD) bracket Solid-state drive (SSD) Solid-state drive (SSD) thermal pad System board Power cord...
  • Page 31 Figure 2. LCD exploded view Table 3. FRU (CRU) categories FRU (CRU) category LCD bezel Microphone rubbers Camera board LCD panel EDP cable Removable tape LCD cover Chapter 3 Identifying FRUs (CRUs)
  • Page 32 Table 3. FRU (CRU) categories (continued) Hinges Hinge cover IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...

  • Page 33: 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 34: Remove The Lower Case

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

  • Page 35: Remove The Battery Pack

    Screw specifications Number of screws M2 × L4 M2 × L6 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.
  • Page 36 Figure 6. Disconnect the wireless antennas and remove the Wi-Fi card Screw specifications Number of screws M2 × L2.8 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Wi-Fi card IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...

  • Page 37: Remove The Solid-State Drive

    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. Figure 7.

  • Page 38: Remove The Solid-State Drive Bracket

    M2 × L2.8 Step 3. Remove the solid-state drive thermal pad. Figure 9. Remove the solid-state drive thermal pad Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive Solid-state drive thermal pad Remove the solid-state drive bracket Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Heat Sink

    Figure 10. Remove one screw and the solid-state drive bracket Screw specifications Number of screws M2 × L2.8 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Solid-state drive bracket Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 40: Remove The Fan

    Step 2. Loosen four screws in alphabetical order and remove the heat sink. Figure 12. Loosen four screws and remove the heat sink Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Heat sink Remove the fan Make sure the following FRUs (or CRUs) have been removed.
  • Page 41 Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 13. Disconnect the battery pack cable Step 2. Disconnect Wi-Fi antennas from the Wi-Fi card and the I/O board cable from the system board. Then, remove them from the cable guide.

  • Page 42: Remove The Speakers

    Figure 15. Disconnect the cable and remove the fan Screw specifications Number of screws M2 × L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Remove the speakers Make sure the following FRUs (CRUs) have been removed.

  • Page 43: Remove The I/O Board Cable

    Step 2. Disconnect the speaker cables from the system board. Then, remove the speakers. Figure 17. Disconnect and remove the speakers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Speaker Remove the I/O board cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The I/O Board

    I/O board cable. Figure 19. Disconnect and remove the I/O board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: I/O board cable Remove the I/O board Make sure the following FRUs (or CRUs) have been removed.
  • Page 45 Figure 21. Disconnect the I/O board cable, remove one screw and remove the I/O board Screw specifications Number of screws M2 × L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: I/O board Chapter 4...

  • Page 46: Remove The Touchpad Cable

    Disconnect the touchpad cable from the system board and the touchpad. Then, remove the touchpad cable. Figure 22. Disconnect and remove the touchpad cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Touchpad cable Remove the fingerprint board and cable (for selected models) Make sure the following FRUs (or CRUs) have been removed.
  • Page 47 Figure 23. Peel off the mylar Step 2. Disconnect the fingerprint board cable from the system board and then remove the fingerprint board and cable. Figure 24. Disconnect and remove the fingerprint board and cable Step 3. Disconnect the fingerprint board cable from the fingerprint board. Then, remove the fingerprint board cable.

  • Page 48: Remove The System Board

    Figure 25. Disconnect and remove the fingerprint board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Fingerprint board Fingerprint board cable Remove the system board Make sure the following FRUs (or CRUs) have been removed.
  • Page 49 Figure 26. Remove two screws and lift the right hinge Screw specifications Number of screws M2 × L4.5 Step 2. Disconnect the fingerprint board cable, fan cable, I/O board cable, keyboard cable, touchpad cable, speaker cables and EDP cable from the system board. Figure 27.

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

    Figure 28. Remove five screws and the system board Screw specifications Number of screws M2 × L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: System board Use a Golden Key U1 tool to flash-write key id information...
  • Page 51 Figure 29. Disconnect the cables Step 2. Remove four screws. Figure 30. Remove four screws Screw specifications Number of screws M2.5 × L4.5 Step 3. Rotate the LCD module to an angle of more than 90 degrees and place the computer on a flat surface as shown.

  • Page 52: Remove The Upper Case (With Keyboard)

    Figure 31. Rotate and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 53: Remove The Hinge Cover

    “Remove the LCD module” on page 44 Step 1. Remove the hinge cover from indicated location. Figure 32. Remove the hinge cover Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinge cover Remove the LCD bezel Make sure the following FRUs (or CRUs) have been removed.

  • Page 54: Remove The Hinges

    Detach with care. Screw specifications Number of screws M2 × L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD bezel Remove the hinges Make sure the following FRUs (or CRUs) have been removed.

  • Page 55: Remove The Microphone Rubbers

    Screw specifications Number of screws M2.0 × L3.5 M2.0 × L2.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinge Remove the microphone rubbers Make sure the following FRUs (or CRUs) have been removed.

  • Page 56: Remove The Lcd Panel

    Figure 35. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Microphone rubber Remove the LCD panel Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the LCD module”...

  • Page 57: Remove The Edp Cable

    Peel back the tape and disconnect the EDP cable from the LCD panel. Then, remove the LCD panel. Figure 37. Disconnect the EDP cable and remove the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape Remove the EDP cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 58: Remove The Camera Board

    Disconnect the EDP cable from the camera board. Then, remove the EDP cable. Figure 38. Disconnect and remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: EDP cable Remove the camera board Make sure the following FRUs (or CRUs) have been removed.

  • Page 59: Remove The Lcd Cover

    Figure 39. Disconnect the EDP cable and remove the camera board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Camera board Remove the LCD cover Make sure the following FRUs (or CRUs) have been removed.
  • Page 60 IdeaPad Slim 5 Light (14″, 8) Hardware Maintenance Manual...

  • Page 61: Appendix A. Label Locations

    Table 5. All base cover labels Label Label description Applied country/region Label dimensions CO2 label 18 mm x 18 mm LNB POD label 100 mm x 30 mm OS label 16 mm x 22.5 mm © Copyright Lenovo 2023...
  • Page 62 IdeaPad Slim 5 Light (14″, 8) 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. © 2023 Lenovo.

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