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Lenovo ThinkBook 14p Gen 2 Hardware Maintenance Manual
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Lenovo ThinkBook 14p Gen 2 Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo ThinkBook 14p Gen 2

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Summary of Contents for Lenovo ThinkBook 14p Gen 2

  • Page 1 Hardware Maintenance Manual Lenovo ThinkBook 14p Gen 2...
  • Page 2 First Edition (May 2021) © Copyright Lenovo 2021.

  • Page 3: Table Of Contents

    Trademarks ....lvii Removal procedure for ThinkBook 14p G2 ACH . . Remove the lower case ..© Copyright Lenovo 2021...
  • Page 4 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 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

    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 2021...

  • Page 28: Cru List

    • Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card • Improper disc insertion or use of an external optical drive • Fuses blown by attachment of a non-supported device •...

  • 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. © Copyright Lenovo 2021...
  • Page 30 Figure 1. ThinkBook 14p G2 ACH exploded view Hardware Maintenance Manual...
  • Page 31 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Strip cover Upper case (with keyboard and touchpad) Fingerprint board Power board Power board cable Fingerprint board cable Heat sink Fans Wi-Fi card I/O bracket System board Battery pack Speakers Main and auxiliary antenna Lower case Type-C bracket...
  • Page 32 Note: The LCD unit (hinge up assembly) as a whole of OLED model is an FRU, not disassemble it. Figure 2. ThinkBook 14p G2 ACH LCD unit - exploded view Table 3. FRU categories for the LCD unit FRU (CRU) category LCD bezel Hinge cover LCD panel...
  • Page 33 Table 3. FRU categories for the LCD unit (continued) Removable tape Microphone rubbers Camera privacy shutter Camera Hinges LCD cover Sensor board Sensor rubber EDP cable Chapter 3 Identifying FRUs (CRUs)
  • Page 34 Hardware Maintenance Manual...

  • Page 35: 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 36: Removal Procedure For Thinkbook 14P G2 Ach

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

  • Page 37: Remove The Battery Pack

    Pry up the latches and then remove the lower case. Figure 4. Pry up the latches and remove the lower case Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed.

  • Page 38: Remove The Solid-State Drive (Ssd) Module

    Figure 6. Remove the battery pack Screw specifications Number of screws M2.0 x L4.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed.

  • Page 39: Remove The Wi-Fi Card

    Figure 8. Remove the SSD Screw specifications Number of screws M2.0 x L3.0 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive (SSD) Solid-state drive (SSD) Thermalpad Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 40: Remove The Cmos Battery

    Figure 9. Remove the Wi-Fi card Screw specifications Number of screws M2.0 x L3.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the CMOS battery Make sure the following FRU (or CRU) has been removed.

  • Page 41: Remove The Speakers

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: CMOS battery Remove the speakers Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 30 Step 1. Disconnect the battery pack cable from the system board.

  • Page 42: Remove The I/O Bracket

    Screw specifications Number of screws M2.0 x L2.0 M2.0 x L4.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Type-C bracket Remove the I/O bracket Make sure the following FRU (or CRU) has been removed.

  • Page 43: Remove The Sponge

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O bracket Remove the sponge Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 30 Step 1. Disconnect the battery pack cable from the system board.

  • Page 44: Remove The Heat Sink

    Figure 15. Remove the touchpad board cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad board cable Remove the heat sink Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 30 Step 1.

  • Page 45: Remove The Power Board Module

    Figure 17. Disconnect the fan cables and remove the fans Screw specifications Number of screws M2.0 x L4.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Fans Remove the power board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 46: Remove The Fingerprint Board Module

    Step 2. Separate the power board cable from the power board. Figure 19. Separate the power board cable from the power board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Power board Power board cable Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 47: Remove The System Board

    Figure 21. Separate the fingerprint board cable from the fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board Fingerprint board cable Remove the system board Make sure the following FRUs (or CRUs) have been removed.
  • Page 48 Number of screws M2.0 x L3.0 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: System board Use a Golden Key U1 tool to flash-write key id information After replacing the system board and re-assembling the computer, use a pre-made Golden Key U1 tool to start the computer and flash-write the serial number (SN), machine type (MT), product name (PN), and UUID to the new system board.

  • Page 49: Remove The Main And Auxiliary Antenna

    Release the main and auxiliary antenna cables from the cable guide and then remove the main and auxiliary antenna. Figure 24. Remove the main and auxiliary antenna Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Main and auxiliary antenna Remove the strip cover Make sure the following FRUs (CRUs) have been removed.

  • Page 50: Remove The Lcd Module

    Figure 25. Remove the strip cover Screw specifications Number of screws M2.0 x L4.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Strip cover Remove the LCD module Make sure the following FRUs (CRUs) have been removed.

  • Page 51: Remove The Upper Case (With Keyboard And Touchpad)

    Figure 26. Rotate the LCD module and remove the LCD module Screw specifications Number of screws M2.5 x L4.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD module Remove the upper case (with keyboard and touchpad) Make sure the following FRUs (CRUs) have been removed.

  • Page 52: Disassemble The Lcd Module

    “Remove the strip cover” on page 43 “Remove the LCD module” on page 44 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case (with keyboard and touchpad) Disassemble the LCD module Before disassembling the LCD module, make sure it has been detached from the upper case.

  • Page 53: Step 1. Remove The Hinge Cover

    Remove the LCD bezel carefully. Note: The LCD bezel is fragile and should be replaced if damaged. Figure 28. Remove the LCD bezel Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.

  • Page 54: Make Sure The Following Frus (Crus) Have Been Removed

    Lift the LCD panel slightly. Peel off the tape. Disconnect the EDP cable from the LCD panel and then remove the LCD panel. Figure 30. Disconnect the EDP cable and remove the LCD panel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD panel...

  • Page 55: Remove The Edp Cable

    Figure 31. Remove the hinges Screw specifications Number of screws M2.0 x L2.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the EDP cable Make sure the following FRUs (CRUs) have been removed.

  • Page 56: Remove The Camera Privacy Shutter

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: EDP cable Remove the camera privacy shutter Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 44 “Remove the hinge cover” on page 46 “Remove the LCD bezel”...

  • Page 57: Remove The Sensor Board

    Figure 34. Remove the sensor rubber Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Sensor rubber Remove the sensor board Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 44 “Remove the hinge cover”...

  • Page 58: Remove The Camera

    Remove the microphone rubbers. Note: The microphone rubbers are not reusable. Replace them when replacing related FRUs. Figure 36. Remove the microphone rubbers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Microphone rubbers Remove the camera Make sure the following FRUs (CRUs) have been removed.
  • Page 59 Figure 37. 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 LCD cover Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 44 “Remove the hinge cover”...
  • Page 60 Hardware Maintenance Manual...

  • Page 61: Appendix A. Label Locations

    10 mm x 9 mm Brazil 16.5 mm x 15 mm 43 mm x 24 mm Korea KCC label 8 mm x 8 mm Malaysia MCMC label South Africa W/L label 20 mm x 10 mm © Copyright Lenovo 2021...
  • Page 62 Table 5. All base cover labels (continued) BELARUS Common 40 mm x 8 mm China 中国节能标 30 mm x 30 mm 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. © 2021 Lenovo.

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