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

Chromebook 11″, 05
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IdeaPad Flex 3 Chromebook (11", 05)
Hardware Maintenance Manual

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Summary of Contents for Lenovo IdeaPad Flex 3

  • Page 1 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...
  • Page 2 First Edition (March 2020) © Copyright Lenovo 2020.

  • Page 3: Table Of Contents

    Service tools ....Trademarks ....xliii General guidelines ....© Copyright Lenovo 2020...
  • Page 4 IdeaPad Flex 3 Chromebook (11″, 05) 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 2020...
  • Page 6 IdeaPad Flex 3 Chromebook (11″, 05) 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 2020...

  • 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″, 05) Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO IdeaPad Flex 3 Chromebook (11″, 05) 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″, 05) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 IdeaPad Flex 3 Chromebook (11″, 05) 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 2020...

  • 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. Model: IdeaPad Flex 3 CB 11IGL05 (Machine type: 82BB) Type ac power adapter...

  • Page 29: Chapter 3. Idetifying Frus (Crus)

    Chapter 3. Idetifying FRUs (CRUs) Locate FRU and CRU The exploded illustrations help Lenovo service technicians identify a FRU or CRU that they may need to replace when servicing a customer’s computer. Figure 1. IdeaPad Flex 3 Chromebook (11″, 05) exploded view Table 2.
  • Page 30 Table 2. FRU (CRU) categories (continued) Strip cover Hinge Hinge rubber Upper case (with keyboard and touchpad) Speakers WLAN card I/O board Battery pack Lower case System board LCD panel Thermal pad IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...

  • Page 31: 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. Gather them before you service the product.

  • Page 32: Remove The Lower Case

    Place the computer upside down on a flat surface. Step 2. Remove nine screws. Figure 2. Remove nine screws Screw specifications Number of screws M2 x 6.5 Step 3. Pry up the latches and then remove the lower case. IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...

  • Page 33: Remove The Battery Pack

    Figure 3. 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 battery pack Make sure the following FRU (or CRU) have been removed.

  • Page 34: Remove The I/O Board With Cable

    Figure 5. Remove the battery pack Screw specification Number of screws M2 x 4 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the I/O board with cable Make sure the following FRU (or CRU) have been removed.

  • Page 35: Remove The Wlan Card

    Remove the I/O board. Figure 8. Remove the I/O board Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: I/O board with cable Remove the WLAN card Make sure the following FRU (or CRU) have been removed.

  • Page 36: Remove The System Board

    Figure 10. Remove one screw and remove the WLAN card Screw specification Number of screw M2 x 2.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: WLAN card Remove the system board Make sure the following FRUs (or CRUs) have been removed.
  • Page 37 Figure 11. Disconnect cables connected to the system board Step 2. Remove ten screws. Figure 12. Remove ten screws Screw specification Number of screws M2 x 4 Step 3. Remove the system board. Figure 13. Remove the system board Chapter 4 Removing a FRU or CRU...

  • Page 38: Remove The Speakers

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: System board Remove the speakers Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 26 “Remove the battery pack” on page 27 Step 1.

  • Page 39: Remove The Lcd Unit

    Carefully remove the thermal pad. Figure 16. Remove the thermal pad Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement parts: Thermal pad Remove the LCD unit Make sure the following FRU (or CRU) have been removed.

  • Page 40: Remove The Upper Case (With Keyboard And Touchpad)

    “Remove the speakers” on page 32 “Remove the thermal pad” on page 32 “Remove the LCD unit” on page 33 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case (with keyboard and touchpad) Disassemble the LCD unit The LCD unit as a whole is not an FRU.

  • Page 41: Remove The Hinge Rubber

    Figure 19. 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 hinge rubber Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD unit” on page 33 “Remove the strip cover”...

  • Page 42: Remove The Camera

    Screw specification Number of screws M2 x 2.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD module Remove the camera Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD unit” on page 33 “Remove the strip cover”...

  • Page 43: Remove The Hinge

    Figure 23. Remove the camera Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Camera Remove the hinge Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD unit” on page 33 “Remove the strip cover”...

  • Page 44: Remove The Lvds Cable

    Figure 25. Remove the hinge Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge Remove the LVDS cable Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD unit” on page 33 “Remove the strip cover”...
  • Page 45 “Remove the hinge” on page 37 “Remove the LVDS cable” on page 38 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Chapter 4 Removing a FRU or CRU...
  • Page 46 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...

  • Page 47: Appendix A. 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 4. All base cover labels Label Label name Applied country/ region Label dimensions POD rating label 100 mm x 30 mm © Copyright Lenovo 2020...
  • Page 48 IdeaPad Flex 3 Chromebook (11″, 05) Hardware Maintenance Manual...

  • Page 49: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2019 Lenovo.

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