Lenovo ThinkBook Plus Gen 3 Hardware Maintenance Manual
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Lenovo ThinkBook Plus Gen 3 Hardware Maintenance Manual

Lenovo ThinkBook Plus Gen 3 Hardware Maintenance Manual

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ThinkBook Plus Gen 3
Hardware Maintenance Manual

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Summary of Contents for Lenovo ThinkBook Plus Gen 3

  • Page 1 ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 2 First Edition (May 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Trademarks ....lix Remove the rear I/O bracket ..Remove the heat sink ... . © Copyright Lenovo 2022...
  • Page 4 ThinkBook Plus Gen 3 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 2022...
  • Page 6 ThinkBook Plus Gen 3 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 2022...

  • 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 ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 ThinkBook Plus Gen 3 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 2022...

  • Page 28: Cru List

    CRU list Table 1. Model: ThinkBook Plus G3 IAP (Machine type: 21EL) Type ac power adapter self-service Power cord self-service Lenovo Integrated Pen* self-service * for selected models ThinkBook Plus Gen 3 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 © Copyright Lenovo 2022...
  • Page 30 Pen push switch Lower case Battery pack Speakers Antenna module Side I/O bracket Rear I/O bracket Fans Heat sink Upper case (with keyboard) Strip cover Lenovo Integrated Pen Power cord ac power adapter Screw pack ThinkBook Plus Gen 3 Hardware Maintenance Manual...
  • Page 31 Figure 2. LCD exploded view Table 3. FRU (CRU) categories FRU (CRU) category LCD bezel Microphone rubbers Camera privacy shutter Camera Camera cable EDP cable LCD cover Adhesive tapes Chapter 3 Identifying FRUs (CRUs)
  • Page 32 Table 3. FRU (CRU) categories (continued) Hinges Strip cover LCD panel ThinkBook Plus Gen 3 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

    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. Figure 3. Remove nine screws ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 35: Remove The Battery Pack

    Step 3. Pry up the latches and then remove the lower case. Figure 4. Pry up the latches and remove the lower case Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.
  • Page 36 Figure 6. Remove six screws and the battery pack Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Battery pack ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 37: Remove The Solid-State Drive

    Remove the solid-state drive Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1. Disconnect the battery pack cable from the system board and remove one screw. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 7.

  • Page 38: Remove The Side I/O Bracket

    Figure 8. Remove the solid-state drive Step 3. Remove the solid-state drive mylar. Figure 9. Remove the solid-state drive mylar Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive Solid-state drive mylar Remove the side I/O bracket Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Rear I/O Bracket

    Figure 10. Remove the side I/O bracket Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Side I/O bracket Remove the rear I/O bracket Make sure the following FRUs (or CRUs) have been removed.
  • Page 40 Figure 12. Remove three screws and the rear I/O bracket Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Rear I/O bracket ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 41: Remove The Heat Sink

    Remove the heat sink Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1. Disconnect the battery pack cable from the system board. Then, peel off the mylars and retain them for reuse when installing the new heat sink. Attention: Use your fingernail to pull the connector to unplug it.

  • Page 42: Remove The Fans

    Screw specifications Number of screws M1.6 x L1.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.
  • Page 43 Figure 17. Disconnect fan cables, remove six screws and the fans Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Chapter 4 Removing a FRU or CRU...

  • Page 44: Remove The Pen Holder Module

    Figure 18. Disconnect cables and remove the pen holder module Screw specifications Number of screws M2 x L2 M2 x L3.5 Step 2. Remove the pen charger cable from the holder. Figure 19. Remove the pen charger cable ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 45: Remove The Usb Board

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Pen charger cable Pen holder Pen push switch Remove the USB board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the pen holder module”...

  • Page 46: Remove The Antenna Module

    Figure 21. Disconnect cables, remove screws and the speakers Number of screws Screw specifications M1.6 x L1.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Speaker Remove the antenna module Make sure the following FRUs (or CRUs) have been removed.
  • Page 47 Figure 23. Disconnect the antennas, remove two screws and remove the antenna module Screw specifications Number of screws M1.6 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Antenna module Chapter 4 Removing a FRU or CRU...

  • Page 48: Remove The Touchpad Cable For The Main Screen

    Lift the keyboard cable. Figure 24. Lift the keyboard cable Step 2. Disconnect the touchpad cable from the system board and touchpad. Then, remove the cable. Figure 25. Disconnect and remove the touchpad cable ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 49: Remove The Usb Board Cable

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Touchpad cable for the main screen Remove the USB board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack”...

  • Page 50: Remove The Lcd Cable For Secondary Screen

    Figure 27. Disconnect and remove the cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Touchpad cable for the secondary screen Remove the LCD cable for secondary screen Make sure the following FRUs (or CRUs) have been removed.

  • Page 51: Remove The System Board

    Figure 28. Disconnect and remove the cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD cable for the secondary screen Remove the system board Make sure the following FRUs (or CRUs) have been removed.
  • Page 52 Figure 30. Remove three screws and remove the system board Screw specifications Number of screws M2 x L2 M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: System board ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 53: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Figure 31. Remove six screws and remove the thermal cover Screw specifications Number of screws M1.4 x L1.35 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Chapter 4 Removing a FRU or CRU...

  • Page 54: Remove The Lcd Module

    Remove eight screws. Figure 32. Remove eight screws Screw specifications Number of screws M2 x L3.5 Step 2. Rotate the LCD module to an angle of more than 90 degrees and remove the LCD module. ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 55: Remove The Upper Case (With Keyboard)

    Figure 33. Rotate the LCD module and remove the LCD module Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD module Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 56: Secondary Screen Function Test

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard) Secondary screen function test There are two function tests for the second screen: C Touch Panel test and LCM lighting test. Tests shall be run after the replacement of upper case (with keyboard).

  • Page 57: Remove The Camera Privacy Shutter

    Figure 34. Remove the LCD bezel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD bezel Remove the camera privacy shutter Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 48 “Remove the LCD bezel”...

  • Page 58: Remove The Strip Cover

    Screw specifications Number of screws M1.6 × L2.3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Camera privacy shutter Remove the strip cover Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 48 “Remove the LCD bezel”...

  • Page 59: Remove The Lcd Panel And Edp Cable

    Figure 37. Remove the hinges Screw specifications Number of screws M2 x L2 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinge Remove the LCD panel and EDP cable Make sure the following FRUs (CRUs) have been removed.
  • Page 60 LCD functions normally. 3. The test lasts for about 20 seconds and then exits automatically. You also can press the power button to exit the test. ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 61: Remove The Microphone Rubber

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Adhesive tape LCD panel EDP cable Remove the microphone rubber Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 48 “Remove the LCD bezel”...

  • Page 62: Remove The Camera

    Disconnect the camera cable from the LCD cover and remove the camera cable. Figure 41. Disconnect and remove the camera cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Camera cable Remove the camera Make sure the following FRUs (CRUs) have been removed.

  • Page 63: Remove The Lcd Cover

    Figure 42. Disconnect the camera cable and remove the camera Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Camera Remove the LCD cover Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 48 “Remove the LCD bezel”...
  • Page 64 ThinkBook Plus Gen 3 Hardware Maintenance Manual...

  • Page 65: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2022 Lenovo.

This manual is also suitable for:

Thinkbook plus g3 iap 21elThinkbook plus g3 iap 21el000gge

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