Lenovo 100e Chromebook Hardware Maintenance Manual
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Lenovo 100e Chromebook Hardware Maintenance Manual

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Summary of Contents for Lenovo 100e Chromebook

  • Page 1 Hardware Maintenance Manual Lenovo 100e Chromebook...
  • Page 3 Hardware Maintenance Manual Lenovo 100e Chromebook...
  • Page 4 First Edition (March 2018) © Copyright Lenovo 2018.

  • Page 5: Table Of Contents

    Remove the USB board... . Lenovo 100e Chromebook — CRU list ..Remove the system board...
  • 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 2018...

  • 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 2018...

  • Page 28: Lenovo 100E Chromebook - 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. Lenovo 100e Chromebook — CRU list Model: Lenovo 100e Chromebook...

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

    Before replacing any FRUs, use the repair shim to diagnose and identify problems. Note: You do not need to use the repair shim to diagnose problems before replacing CRUs. For the list of CRUs for your computer, refer to “Lenovo 100e Chromebook — CRU list” on page 22. Create a repair shim Step 1.

  • Page 30: Disable Rom-Write Protection

    Disable ROM-write protection You need to disable the ROM-write protection function before you can use a repair shim to diagnose and fix problems. Step 1. Disconnect and the re-connect the battery cable.Refer to “” on page for how to locate and disconnect the battery cable.

  • Page 31: Factory Test Items

    Step 6. If the factory test items reveal a defective component, turn off the computer, disconnect the ac power adapter, and then replace the defective component. Step 7. Turn on the computer.The computer should starts to the factory-test-image environment again. It is recommended that you run Final Function Test (FFT) to ensure that new components function correctly.
  • Page 32 Common issues leading to GoogleRequiredTests fail Issue Description HWID mismatch Each Chromebook has a known hardware configuration. Each configuration is assigned an HWID. HWID mismatch can be caused by using unauthorized parts, or missing parts. If the write-protect function is not turned off before recovering the computer with the repair shim, it will also cause HWID mismatch.

  • Page 33: Chapter 4. Idetifying Frus (Crus)

    The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer’s computer. Refer to Appendix A “Lenovo part numbers for replacement FRUs” on page 43 if you need to look up Lenovo part numbers for a particular FRU or CRU.
  • Page 34 Figure 1. Lenovo 100e Chromebook exploded view Table 3. FRU (CRU) categories FRU (CRU) category LCD module Upper case (with keyboard) System board WLAN & Bluetooth combo module USB board Hardware Maintenance Manual...
  • Page 35 Table 3. FRU (CRU) categories (continued) USB brackets Battery Speakers Base cover Screw pack Figure 2. LCD module — exploded view Chapter 4 Idetifying FRUs (CRUs)
  • Page 36 Table 4. FRU categories for the LCD module FRU (CRU) category LCD bezel Camera board LCD panel Hinges eDP cable LCD base cover Hardware Maintenance Manual...

  • Page 37: Chapter 5. Removing A Fru Or Cru

    5. To install a new FRU in place, perform the removal procedure in reverse and follow any notes that pertain to replacement. 6. When replacing a FRU, carefully retain and reuse all screws. If screws are missing, look up the Lenovo parts numbers in Appendix B “Lenovo part numbers for CRUs and miscellaneous parts” on page 45 for replacement screws and order them through the Lenovo CRM system.

  • Page 38: Remove The Back Cover

    three things: #1) Respect the privacy of others #2) Think before you type #3) With great power comes great responsibility Type ectool batterycutoff and press Enter. Step 5. When the message SUCCESS. The battery has arranged a cut-off and the system should be Step 6.

  • Page 39: Remove The Lcd Module

    Refer to Table 14 “Part numbers for FRUs (CRUs)” on page 43 to look up the Lenovo part number for the replacement back cover. Remove the LCD module Make sure the following FRUs (CRUs) have been removed and the battery connector has been detached.

  • Page 40: Remove The Battery Pack

    Battery pack M2 × 4 mm Silver to upper case Refer to Table 14 “Part numbers for FRUs (CRUs)” on page 43 to look up the Lenovo part numbers for the following replacement parts: Battery pack Hardware Maintenance Manual...

  • Page 41: Remove The Speakers

    Step 3. Carefully take the cable out of guiders and remove the speakers. Refer to Table 14 “Part numbers for FRUs (CRUs)” on page 43 to look up the Lenovo part numbers for the replacement speakers. Remove the WLAN & Bluetooth combo module Make sure the following FRUs (CRUs) have been removed and the battery connector has been detached.

  • Page 42: Remove The Usb Board

    M2 x 3 mm combo card to upper case Refer to Table 14 “Part numbers for FRUs (CRUs)” on page 43 to look up the Lenovo part numbers for the replacement WLAN & Bluetooth combo modules. Remove the USB board Make sure the following FRUs (CRUs) have been removed: “Remove the back cover”...

  • Page 43: Remove The System Board

    Step 3. Remove the USB bracket and the USB board. Refer to Table 14 “Part numbers for FRUs (CRUs)” on page 43 to look up the Lenovo part numbers for the following replacement parts: USB board USB brackets Note: The replacement USB board includes two cables for connecting with the system board;...

  • Page 44: Disassemble The Lcd Module

    M2 ×4 mm board to upper case Refer to Table 14 “Part numbers for FRUs (CRUs)” on page 43 to look up the Lenovo part numbers of the following replacement parts: System board USB brackets Upper case Note: Replacement USB brackets come in left and right pairs..
  • Page 45 Note: Open the metal bracket and then disconnect the eDP cable. Step 4. Remove the LCD panel. Refer to Table 15 “Part numbers for LCD FRUs” on page 44 to look up the Lenovo part numbers for the following replacement parts. LCD panel...

  • Page 46: Remove The Hinges

    LCD base cover Step 2. Remove the hinges. Refer to Appendix A “Lenovo part numbers for replacement FRUs” on page 43 to look up the Lenovo part numbers for the following replacement parts. Hinges Remove the camera board and eDP cable Make sure the following FRUs (or CRUs) have been removed.
  • Page 47 Step 3. Remove the camera board. Refer to Appendix A “Lenovo part numbers for replacement FRUs” on page 43 to look up the Lenovo part numbers for the following replacement parts. eDP cable Camera board LCD base cover Chapter 5...
  • Page 48 Hardware Maintenance Manual...

  • Page 49: Appendix A. Lenovo Part Numbers For Replacement Frus

    Appendix A. Lenovo part numbers for replacement FRUs When servicing a customer’s computer, Lenovo service technicians may use part numbers listed in the following tables to order replacement parts through Lenovo CRM (customer relationship management) system. Table 14. Part numbers for FRUs (CRUs) No.
  • Page 50 SCREW PACK B 81ER 5S10R07024 Note: Refer to Appendix B “Lenovo part numbers for CRUs and miscellaneous parts” on page 45 to look up the Lenovo part numbers of ac power adapters and power cords. Table 15. Part numbers for LCD FRUs No.

  • Page 51: Appendix B. Lenovo Part Numbers For Crus And Miscellaneous Parts

    Appendix B. Lenovo part numbers for CRUs and miscellaneous parts Part numbers for power cords, ac adapters, screw pack and rubber pack are listed in the following table. Note: The power cords and ac adapters are CRUs. Table 16. Part numbers for FRUs (CRUs)
  • Page 52 Table 16. Part numbers for FRUs (CRUs) (continued) Longwell LP-41+H03VV-F+LS-18 1米电源线 145000563 Longwell LP-30B+SPT-2 18AWG+LS-18 1米电源线 145000562 Longwell LP-61L+H03VV-F+LS-18 1米电源线 145000561 145000560 Longwell LP-67+BIS+LS-18 1米电源线 Longwell LP-22+H03VV-F+LS-18 1米电源线 145000559 Longwell LP-486+KTLH03VV-F+LS-5 1米电源线 145000558 145000557 Longwell LP-23A+LFC-3R+LS-18 1米电源线 145000556 Longwell LP-71+VCTF+LS-33 1米电源线 Longwell LP-54+VCTF+LS-18 1米电源线...
  • Page 53 Longwell LP-57+H03VVH2-F+LS-7KS 1米电源线 Longwell LP-15A+LFC-2F+LS-7 1米电源线 145500077 Longwell LP-70+VCTFK+LS-31 1米电源线 145500078 145500079 Longwell LP-51A+VCTFK+LS-7C/7J 1米电源线 145500080 Longwell LP-39+H03VVH2-F+LS-7 1米电源线 Longwell LP-21+ H03VVH2-F+LS-7 1米电源线 145500081 Lux 2pin 1M C7 cord Thailand type 5L60J39488 Appendix B. Lenovo part numbers for CRUs and miscellaneous parts...
  • Page 54 Hardware Maintenance Manual...

  • Page 55: Appendix C. Label Locations

    Indonesia radio label Indonesia 15 mm x 10 mm Note: Radio certification labels are country/region specific. Only the certification label for the country/region that the product is shipped is attached. Not all countries/regions include certification labels. © Copyright Lenovo 2018...
  • Page 56 Hardware Maintenance Manual...

  • Page 57: Trademarks

    Trademarks Lenovo and the “lenovo” logo are trademarks of Lenovo in the United States, other countries or both: Other company, product, or service names may be trademarks or service marks of others.

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