Lenovo 14M868 Hardware Maintenance Manual
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Lenovo 14M868 Hardware Maintenance Manual

Lenovo 14M868 Hardware Maintenance Manual

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IdeaPad Slim 3 Chromebook (14", 8) and
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Hardware Maintenance Manual

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Summary of Contents for Lenovo 14M868

  • Page 1 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 2 First Edition (February 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Service tools ....General guidelines ....Trademarks ....xlix © Copyright Lenovo 2023...
  • Page 4 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ 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 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ 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

    • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ 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

    CRU list Table 1. Model: IP Slim 3 Chrome 14M868 (Machine type: 82XJ) Type ac power adapter self-service power cord self-service IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • 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. Exploded view - system Table 2. FRU (CRU) categories...
  • Page 30 Wi-Fi antennas Lower case Wi-Fi card Speakers Battery pack Thermal pad Touchpad cable Power cord ac power adapter Screw kit Figure 2. Exploded view - LCD IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 31 Table 3. FRU (CRU) categories FRU (CRU) category LCD bezel LCD panel LCD cover EDP cable Camera board Removable tapes Hinges Hinge cover Microphone rubbers Chapter 3 Identifying FRUs (CRUs)
  • Page 32 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ 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

    Place the computer upside down on a flat surface. Step 2. Remove nine screws. Pry up the latches and then remove the lower case. Figure 3. Remove the lower case IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 35: Remove The Battery Pack

    Screw specifications Number of screws M2 × L5.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 36: Remove The Speakers

    Disconnect the battery pack cable and the speaker cable from the system board. Then, carefully remove the speakers. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 37: Remove The I/O Bracket

    Figure 6. Remove the speakers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Speakers Remove the I/O bracket Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 38: Remove The Wi-Fi Card

    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. IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 39: Remove The Wi-Fi Antennas

    Figure 10. Remove the Wi-Fi card Screw specifications Number of screws M1.6 × L1.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Wi-Fi card Remove the Wi-Fi antennas Make sure the following FRUs (or CRUs) have been removed.
  • Page 40 Figure 12. Peel off the foil and remove the Wi-Fi antennas Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Wi-Fi antennas IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 41: Remove The Touchpad Cable

    Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack” on page 29 Step 1. Turn over the keyboard cable. Figure 13. Turn over the keyboard cable Step 2.

  • Page 42: Remove The System Board

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 15. Disconnect cables Step 2. Remove two screws and then remove the system board. IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...
  • Page 43 Number of screws M2 × L3.5 Step 3. Remove the thermal pad. Figure 17. Remove the thermal pad Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board Thermal pad Chapter 4 Removing a FRU or CRU...

  • Page 44: Remove The Lcd Unit

    Disconnect the EDP cable. Then, remove six screws and open the hinges. Figure 19. Disconnect the EDP cable, remove six screws and open the hinges IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 45: Remove The Upper Case (With Keyboard)

    Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface as shown. Then, remove the LCD unit. Figure 20. Remove the LCD unit Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD unit Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 46: Disassemble The Lcd Unit

    “Remove the lower case” on page 28 “Remove the LCD unit” on page 38 “Remove the hinge cover” on page 40 Step 1. Remove the LCD bezel. IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 47: Remove The Lcd Panel

    Figure 22. Remove the LCD bezel Note: The LCD bezel is fragile and should be replaced if damaged. Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD bezel Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.

  • Page 48: Remove The Hinges

    Remove the hinges Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the LCD unit” on page 38 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 49: Remove The Edp Cable

    Figure 25. Remove the hinges Number of screws Screw specifications M2 × L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinges Remove the EDP cable Make sure the following FRUs (CRUs) have been removed.

  • Page 50: Remove The Microphone Rubbers

    “Remove the hinge cover” on page 40 “Remove the LCD bezel” on page 40 “Remove the LCD panel” on page 41 Step 1. Remove the microphone rubbers from the camera board. IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 51: Remove The Camera Board

    Figure 27. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Microphone rubbers Remove the camera board Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the LCD unit”...

  • Page 52: Remove The Lcd Cover

    “Remove the microphone rubbers” on page 44 “Remove the camera board” on page 45 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD cover IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 53: Chapter 5. Label Locations

    Labels attached to the base cover are country/region specific. Make sure to apply the appropriate labels to the replacement base cover. Table 5. All base cover labels Label Label description Applied country/region Label dimensions Rating print label 100 mm x 30 mm CO2 offset label 18 mm x 18 mm © Copyright Lenovo 2023...
  • Page 54 IdeaPad Slim 3 Chromebook (14″, 8) and Lenovo Slim 3 Chromebook 14″ Hardware Maintenance Manual...

  • Page 55: Trademarks

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

This manual is also suitable for:

Slim 3 chromebookIdeapad slim 3 chromebook

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