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

Lenovo ThinkBook 14s Gen 2 Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo ThinkBook 13s Gen 2 and Lenovo ThinkBook 14s Gen 2

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  • Page 1 Hardware Maintenance Manual Lenovo ThinkBook 13s Gen 2 and Lenovo ThinkBook 14s Gen 2...
  • Page 2 First Edition (September 2020) © Copyright Lenovo 2020.

  • Page 3: Table Of Contents

    Trademarks ....lxxxvii Remove the I/O bracket (right) ..Remove the I/O bracket (left) ..© Copyright Lenovo 2020...
  • 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 2020...
  • 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 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

    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 2020...

  • 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 2020...
  • Page 30 Figure 1. ThinkBook 13s G2 ARE and ThinkBook 14s G2 ARE exploded view Hardware Maintenance Manual...
  • Page 31 Table 5. FRU (CRU) categories FRU (CRU) category Upper case (with keyboard) Switch cover Fingerprint board Fingerprint board cable Solid-state drive (SSD) System board I/O board with cable I/O bracket (right) Fans Heat sink Battery pack Speakers Lower case I/O bracket (left) Touchpad with cable Power cord ac power adapter...
  • Page 32 Figure 2. ThinkBook 13s G2 ARE and ThinkBook 14s G2 ARE LCD unit - exploded view Hardware Maintenance Manual...
  • Page 33 Table 6. FRU categories for the LCD unit FRU (CRU) category LCD cover Hinges Hinge rubbers Trans board with cable Removable tape Hinge cover LCD bezel LCD module Camera privacy shutter Camera Microphone rubbers Microphone module with cables EDP cable Chapter 3 Identifying FRUs (CRUs)
  • Page 34 Figure 3. ThinkBook 13s G2 ITL and ThinkBook 14s G2 ITL exploded view Hardware Maintenance Manual...
  • Page 35 Table 7. FRU (CRU) categories FRU (CRU) category Upper case (with keyboard) Switch cover Fingerprint board Fingerprint board cable Touchpad with cable Solid-state drive (SSD) Solid-state drive (SSD) bracket Note: The SSD bracket is used to lock the screw for the 2242 SSD. System board I/O board with cable Fans...
  • Page 36 Figure 4. ThinkBook 13s G2 ITL and ThinkBook 14s G2 ITL LCD unit — exploded view Hardware Maintenance Manual...
  • Page 37 Table 8. FRU categories for the LCD unit FRU (CRU) category LCD cover Hinges Hinge rubbers Trans board with cable Microphone module with cables Removable tape Hinge cover LCD module Hinge cover (left and right) LCD bezel Camera privacy shutter Camera Microphone rubbers EDP cable...
  • Page 38 Hardware Maintenance Manual...

  • Page 39: 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 40 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 41: Removal Procedure For Thinkbook 13S G2 Are And Thinkbook 14S G2 Are

    Pry up the latches and then remove the lower case. Figure 6. 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: Chapter 4 Removing a FRU or CRU...

  • Page 42: Remove The Battery Pack

    Figure 7. Remove five screws and remove the battery pack Number of screws Screw specifications M2 x L3 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) Make sure the following FRU (or CRU) has been removed.

  • Page 43: Remove The Heat Sink

    Figure 9. Remove the SSD module by pulling it away from the slot Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Remove the heat sink Make sure the following FRU (or CRU) has been removed.

  • Page 44: Remove The Fans

    Figure 11. Remove three screws and then remove the heat sink Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed.

  • Page 45: Remove The I/O Bracket (Right)

    Figure 13. Remove four screws and then remove the fans Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Fans Remove the I/O bracket (right) Make sure the following FRU (or CRU) has been removed.
  • Page 46 Figure 14. Peel off the pieces of tape Step 3. Release the antenna cable from the cable guide. Figure 15. Release the antenna cable from the cable guide Step 4. Remove three screws and then open the hinge. Figure 16. Remove three screws and then open the hinge Screw specifications Number of screws M2.5 x L5...

  • Page 47: Remove The I/O Bracket (Left)

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

  • Page 48: Remove The I/O Board

    Figure 20. Remove two screws and remove the I/O bracket (left) Screw specifications Number of screws M2 x L4 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O bracket (left) Remove the I/O board Make sure the following FRUs (or CRUs) have been removed.

  • Page 49: Remove The Fingerprint Board Module

    Figure 21. Disconnect the I/O board cable and the fingerprint board cable from the I/O board Step 3. Remove the I/O board. Figure 22. Remove the I/O board Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 50: Remove The Speakers

    Step 4. Separate the fingerprint board cable from the fingerprint board. Figure 25. 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: Switch cover Fingerprint board...

  • Page 51: Remove The Touchpad With Cable

    Figure 26. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the touchpad with cable Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 35 “Remove the battery pack”...
  • Page 52 Screw specifications M2 x L2 Step 4. Remove the touchpad with cable. Figure 30. Remove the touchpad with cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad with cable Hardware Maintenance Manual...

  • Page 53: Remove The System Board And The I/O Board Cable

    Remove the system board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 “Remove the battery pack” on page 36 “Remove the solid-state drive (SSD)” on page 36 “Remove the heat sink”...

  • Page 54: Remove The Lcd Unit

    Separate the I/O board cable from the system board. Figure 33. Separate the I/O board cable from the system board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board I/O board cable Remove the LCD unit Make sure the following FRU (CRU) has been removed.
  • Page 55 Figure 34. Peel off the pieces of tape Step 3. Detach the antenna cable connectors. Then, disconnect the trans board cable and the EDP cable from the system board. Figure 35. Detach the antenna cable connectors, disconnect the trans board cable and the EDP cable from the system board Step 4.

  • Page 56: Remove The Upper Case (With Keyboard)

    “Remove the system board and the I/O board cable” on page 47 “Remove the LCD unit” on page 48 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case (with keyboard) Disassemble the LCD unit The LCD unit as a whole is not an FRU.
  • Page 57 “Remove the LCD unit” on page 48 Step 1. Remove the hinge cover. Figure 37. Remove the hinge cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge cover Remove the hinge rubbers Make sure the following FRUs (CRUs) have been removed.
  • Page 58 Remove the LCD bezel. Figure 40. Remove the LCD bezel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD bezel Remove the camera privacy shutter Make sure the following FRUs (CRUs) have been removed.
  • Page 59 Figure 41. Remove the camera privacy shutter Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera privacy shutter Remove the hinges Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 48 “Remove the hinge cover”...
  • Page 60 Peel off the tape and then disconnect the EDP cable from the LCD module. Figure 44. Peel off the tape and then disconnect the EDP cable from the LCD module Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: EDP cable LCD module...
  • Page 61 “Remove the LCD module and the EDP cable” on page 54 Step 1. Remove the microphone rubbers. Figure 45. Remove the microphone rubbers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone rubbers Removable tape Remove the camera Make sure the following FRUs (CRUs) have been removed.
  • Page 62 Peel off the tape and then disconnect the camera cable from the trans board. Remove the microphone board with cables. Figure 47. Remove the microphone board with cables Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Microphone board with cables Removable tape Remove the trans board with cable Make sure the following FRUs (CRUs) have been removed.
  • Page 63 “Remove the camera” on page 55 “Remove the microphone board with cables” on page 56 “Remove the trans board with cable” on page 56 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover...

  • Page 64: Removal Procedure For Thinkbook 13S G2 Itl And Thinkbook 14S G2 Itl

    Pry up the latches and then remove the lower case. Figure 51. 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 Hardware Maintenance Manual...

  • Page 65: Remove The Battery Pack

    Screw specifications Number of screws M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Battery pack Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed.

  • Page 66: Remove The Heat Sink

    Figure 55. Remove one screw and separate the SSD from the SSD bracket Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: SSD bracket Remove the heat sink Make sure the following FRU (or CRU) has been removed.

  • Page 67: Remove The Fans

    Figure 57. Remove three screws and then remove the heat sink Number of screws Screw specifications M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed.
  • Page 68 Release the fan cables from the cable guide. Remove four screws and then remove the fans. Figure 59. Remove four screws and then remove the fans Screw specifications Number of screws M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Fans Hardware Maintenance Manual...

  • Page 69: Remove The I/O Bracket (Right)

    Remove the I/O bracket (right) Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 58 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2.

  • Page 70: Remove The I/O Bracket (Left)

    Figure 62. Remove two screws and remove the I/O bracket (right) Screw specifications Number of screws M2 x L4 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O bracket (right) Remove the I/O bracket (left) Make sure the following FRU (or CRU) has been removed.

  • Page 71: Remove The I/O Board

    Screw specifications Number of screws M2 x L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: I/O bracket (left) Remove the I/O board Make sure the following FRUs (or CRUs) have been removed.

  • Page 72: Remove The Fingerprint Board Module

    Remove the I/O board. Figure 67. 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 Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 73: Remove The Speakers

    Separate the fingerprint board cable from the fingerprint board. Figure 70. Separate the fingerprint board cable from the fingerprint board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Switch cover Fingerprint board Fingerprint board cable Remove the speakers Make sure the following FRU (CRU) has been removed.

  • Page 74: Remove The Touchpad With Cable

    Figure 71. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the touchpad with cable Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 58 “Remove the battery pack”...

  • Page 75: Remove The System Board And The I/O Board Cable

    Step 3. Remove the touchpad with cable. Figure 74. Remove the touchpad with cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad with cable Remove the system board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed.
  • Page 76 Figure 75. Disconnect cables connected to the system board Step 2. Remove the system board and the I/O board cable. Figure 76. Remove the system board and the I/O board cable Step 3. Separate the I/O board cable from the system board. Hardware Maintenance Manual...

  • Page 77: Remove The Lcd Unit

    Figure 77. Separate the I/O board cable from the system board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board I/O board cable Remove the LCD unit Make sure the following FRU (CRU) has been removed.

  • Page 78: Remove The Upper Case (With Keyboard)

    “Remove the touchpad with cable” on page 68 “Remove the system board and the I/O board cable” on page 69 “Remove the LCD unit” on page 71 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case (with keyboard) Disassemble the LCD unit The LCD unit as a whole is not an FRU.
  • Page 79 Remove the hinge cover. Figure 80. Remove the hinge cover Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Hinge cover Removal procedure for LCD module (touch) Remove the hinge cover (left and right) Make sure the following FRUs (CRUs) has been removed.
  • Page 80 Remove the hinge rubbers. Figure 82. Remove the hinge rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Hinge rubbers Remove the LCD module Make sure the following FRUs (CRUs) have been removed.
  • Page 81 Figure 83. Peel off the tape and then disconnect cables connected to the LCD module Step 2. Remove four screws. Figure 84. Remove four screws Screw specifications Number of screws M2 x L3.5 Step 3. Remove the two pieces of removable tape with tweezers and then turn over the LCD module. Figure 85.
  • Page 82 Figure 86. Remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD module Removable tape Remove the EDP cable Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 71 “Remove the hinge cover”...
  • Page 83 Figure 88. Remove the EDP cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: EDP cable Removable tape Remove the hinges Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 71 “Remove the hinge cover”...
  • Page 84 Remove the LCD bezel. Figure 91. Remove the LCD bezel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD bezel Remove the camera privacy shutter Make sure the following FRUs (CRUs) have been removed.
  • Page 85 Figure 92. Remove the camera privacy shutter Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Camera privacy shutter Remove the hinges Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 71 “Remove the hinge cover”...
  • Page 86 Peel off the tape and then disconnect the EDP cable from the LCD module. Figure 95. Peel off the tape and then disconnect the EDP cable from the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts:...
  • Page 87 Step 1. Remove the microphone rubbers. Figure 96. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Microphone rubbers Removable tape Remove the camera Make sure the following FRUs (CRUs) have been removed.
  • Page 88 Peel off the tape and then disconnect the camera cable from the trans board. Remove the microphone board with cables. Figure 98. Remove the microphone board with cables Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone board with cables...
  • Page 89 “Remove the microphone board with cables” on page 82 “Remove the trans board with cable” on page 82 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD cover Chapter 4 Removing a FRU or CRU...
  • Page 90 Hardware Maintenance Manual...

  • Page 91: Appendix A. Label Locations

    26 mm x 10 mm BIS label 18 mm x 18 mm 32 mm x 10 mm WL/BT label US/CA/TW Isarel 32 mm x 10 mm Brazil 35 mm x 15 mm South Africa 20 mm x 10 mm © Copyright Lenovo 2020...
  • Page 92 Hardware Maintenance Manual...

  • Page 93: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2020 Lenovo.

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Thinkbook 13s gen 2

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