Lenovo IdeaPad Flex 3 Chromebook Hardware Maintenance Manual
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Lenovo IdeaPad Flex 3 Chromebook Hardware Maintenance Manual

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IdeaPad Flex 3 Chromebook (11", 6)
Hardware Maintenance Manual

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Summary of Contents for Lenovo IdeaPad Flex 3 Chromebook

  • Page 1 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 2 First Edition (April 2021) © Copyright Lenovo 2021.

  • Page 3: Table Of Contents

    Trademarks ....xlvii Chapter 4. Idetifying FRUs (CRUs) . . 25 Locate FRUs and CRUs ... © Copyright Lenovo 2021...
  • Page 4 IdeaPad Flex 3 Chromebook (11″, 6) 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 IdeaPad Flex 3 Chromebook (11″, 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

    The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 IdeaPad Flex 3 Chromebook (11″, 6) 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

    CRU list Table 1. Model: IP Flex 3 Chrome 11M836 (Machine type: 82KM) Type ac power adapter self-service power cord self-service IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 29: Chapter 3. Create And Use A Usb Repair Shim

    Step 2. Download the image file of the repair shim from . A Lenovo service https://support.lenovo.com credential is required to download the image file. Note: Make sure to download the latest version of the image file. A shim created with an earlier version of the image file might cause the repair process to fail.

  • Page 30: Use The Usb Repair Shim

    The Chromebook system cannot be finalized until the write-protect function is malfunction turned on. Note: You can terminate the GRT when the tests have to be bypassed because they cannot be performed. To end the process, press f. IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 31: Chapter 4. Idetifying Frus (Crus)

    Chapter 4. Idetifying 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 Table 3. FRU (CRU) categories...
  • Page 32 Table 3. FRU (CRU) categories (continued) System board Thermal pad IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...
  • Page 33 Figure 2. LCD module exploded view Table 4. FRU (CRU) categories FRU (CRU) category LCD cover Hinge Hinge rubber Strip cover EDP cable LCD panel Camera module G-sensor Foil Chapter 4 Idetifying FRUs (CRUs)
  • Page 34 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 35: Chapter 5. Removing A Fru Or Cru

    Chapter 5. 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

    Make sure the computer has been shut down before servicing the computer. Step 1. Place the computer upside down on a flat surface. Step 2. Remove nine screws, and then remove the lower case. Figure 3. Remove nine screws IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 37: Remove The Battery Pack

    Screw specifications Number of screws M2 x L2.5 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 30 Step 1.
  • Page 38 Figure 5. Remove the battery pack Screw specifications Number of screws M2 x L3.8 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Battery pack IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 39: Remove The Speaker

    Figure 6. Disconnect the speaker cable from the system board Step 2. Remove the speaker. Figure 7. Remove the speaker Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Chapter 5 Removing a FRU or CRU...

  • Page 40: Remove The Type-C Bracket

    “Remove the lower case” on page 30 Step 1. Disconnect the battery pack cable, and then remove two screws. Figure 8. Remove the left I/O board bracket Number of screws Screw specifications M2 x L3.25 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 41: Remove The Power Board With Cable

    Remove the type-c bracket. Figure 9. Remove the type-c bracket Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Type-c bracket Remove the power board with cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The System Board

    Figure 11. Remove three screws and remove the power board Screw specifications Number of screws M2 x L3.8 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Power board with cable Remove the system board Make sure the following FRUs (or CRUs) have been removed.
  • Page 43 “Remove the lower case” on page 30 “Remove the type-c bracket” on page 34 Step 1. Disconnect all cables connected to the system board. Figure 12. Disconnect all cables Step 2. Remove seven screws. Figure 13. Remove seven screws Screw specifications Number of screws M2 x L3.8 Chapter 5...

  • Page 44: Remove The Thermal Pad

    Remove the system board. Figure 14. Remove the system board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: System board Remove the thermal pad Make sure the following FRUs (or CRUs) have been removed.

  • Page 45: Remove The Touch Pad Cable

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Thermal pad Remove the touch pad cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 30 “Remove the battery pack” on page 31 Step 1.

  • Page 46: Number Of Screws

    Figure 17. Disconnect cables Step 2. Remove six screws. Figure 18. Remove six screws Screw specifications Number of screws M2.5 x L4.7 M2.5 x L4 IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 47: Remove The Strip Cover

    Step 3. Remove the upper case. Figure 19. Remove the upper case Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case Remove the strip cover Make sure the following FRUs (CRUs) have been removed.

  • Page 48: Remove The Lcd Panel

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Strip cover Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the upper case” on page 39 Step 1. Remove three screws. Then, push the LCD panel downward a bit and remove the LCD panel.

  • Page 49: Remove The Hinge

    Pull out the EDP cable and the camera cable to remove the hinge rubbers. Figure 22. Remove the hinge rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Hinge rubber Remove the hinge Make sure the following FRUs (CRUs) have been removed.
  • Page 50 Number of screws M2 x L2.5 Step 2. Remove the hinges. Figure 24. Remove the hinges Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Hinge IdeaPad Flex 3 Chromebook (11″, 6) Hardware Maintenance Manual...

  • Page 51: Remove The G-Sensor

    Disconnect the G-sensor cable, and then remove the G-sensor. Figure 25. Disconnect the G-sensor cable and remove the G-sensor Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: G-sensor Remove the camera with cable Make sure the following FRUs (or CRUs) have been removed.
  • Page 52 Disconnect the camera cable, and then remove the camera with cable. Figure 27. Disconnect the camera cable and remove the camera with cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Camera with cable...

  • Page 53: 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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