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Lenovo Thinkbook Series Hardware Maintenance Manual

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Lenovo Thinkbook series
Hardware Maintenance Manual

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  • Page 1 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 2 First Edition (September 2019) © Copyright Lenovo 2019.
  • Page 3: Table Of Contents

    Remove the lower case ... . Trademarks ....lxix Remove the battery pack ... © Copyright Lenovo 2019...
  • Page 4 Lenovo Thinkbook series 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 2019...
  • Page 6 Lenovo Thinkbook series 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 2019...
  • 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 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Lenovo Thinkbook series 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 2019...
  • 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: Lenovo ThinkBook 14-IML (Machine type: 20RV) Type ac power adapter self-service Table 2.
  • Page 29: Chapter 3. Idetifying Fru (Cru)

    Chapter 3. Idetifying FRU (CRU) Locate FRU and CRU The exploded illustrations help Lenovo service technicians identify FRU or CRU that they may need to replace when servicing a customer’s computer. Figure 1. Lenovo ThinkBook 14-IML/Lenovo ThinkBook 15-IML/Lenovo ThinkBook 14-IIL/Lenovo ThinkBook 15-IIL system exploded view ©...
  • Page 30 Coin-cell battery Battery pack Speakers Rear rubber foot Rear rubber foot Lower case SSD thermal pad SSD AL foil Memory module HDD cable Heat sink I/O bracket WLAN card System board Touchpad bracket Touchpad Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 31 Figure 2. Lenovo ThinkBook 14-IML, Lenovo ThinkBook 15-IML, Lenovo ThinkBook 14-IIL, and Lenovo ThinkBook 15-IIL LCD exploded view Table 6. FRU (CRU) categories FRU (CRU) category Hinge cap LCD bezel Hinges Camera module LCD module Removable tapes LCD cover Chapter 3...
  • Page 32 Lenovo Thinkbook series 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. Disconnect all power cords, cables, and USB devices from the computer. Step 2. Place the computer upside down on a flat surface. Step 3. Remove ten screws. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 35 Step 4. Pry up the latches and 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 Chapter 4...
  • Page 36: Remove The Battery Pack

    Attention: Do not pull the cable. Use your fingernail to disconnect the cable. Figure 5. Disconnect the battery pack cable Step 2. Remove four screws. Then, remove the battery pack. Note: Remove five screws in 14-inch models. Figure 6. Remove four screws and the battery pack Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 37: Remove The Coin-Cell Battery

    Number of screws M2 x 3.0 mm M2 x 4.0 mm * 2 screws for 14-inch models. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Battery pack Remove the coin-cell battery Make sure the following FRU (or CRU) has been removed.
  • Page 38: Remove The Speakers

    Figure 8. Disconnect the coin-cell battery cable and remove the coin-cell battery Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Coin-cell battery Remove the speakers Make sure the following FRU (CRU) has been removed: “Remove the lower case”...
  • Page 39: Remove The M.2 Solid-State Drive

    Step 2. Disconnect the speaker cable and remove the speakers. Figure 10. Disconnect the speaker cable and remove the speakers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Speakers Remove the M.2 solid-state drive Make sure the following FRU (or CRU) has been removed.
  • Page 40 Figure 12. Remove one screw and slide the M.2 solid-state drive out of the slot Screw specifications Number of screws M2 x 3.0 mm Step 3. Peel the sticker and remove the SSD AL foil from the SSD. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 41: Remove The M.2 Solid-State Drive Thermal Pad

    Figure 13. Peel the sticker and remove the SSD foil from the SSD. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: M.2 solid-state drive SSD 2242 (2280) AL foil Remove the M.2 solid-state drive thermal pad Make sure the following FRU (or CRU) has been removed.
  • Page 42: Remove The Thermal Choke Pad

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: SSD thermal pad Remove the thermal choke pad Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 28 Step 1.
  • Page 43 Figure 16. Disconnect the battery pack cable Step 2. Remove the mylar from the WLAN card. Figure 17. Remove the mylar from the WLAN card Step 3. Disconnect the cables from the WLAN card. Then, remove one screw. Chapter 4 Removing a FRU or CRU...
  • Page 44: Remove The Fan

    Slide the WLAN card out of the slot. Figure 19. Slide the WLAN card out of the slot Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: WLAN card Remove the fan Make sure the following FRU (or CRU) has been removed.
  • Page 45 “Remove the lower case” on page 28 Step 1. Disconnect the battery pack cable from the system board. Attention: Do not pull the cable. Use your fingernail to disconnect the cable. Figure 20. Disconnect the battery pack cable Step 2. Disconnect the fan cable from the system board.
  • Page 46: Remove The Heat Sink

    Figure 22. Remove two screws and remove the fan Screw specifications Number of screws M2 x 5.0 mm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Remove the heat sink Make sure the following FRU (or CRU) has been removed.
  • Page 47 Screw specifications Number of screws M2 x 3 mm Note: Remove six screws to remove the heat sink in the DIS model. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Heat sink Chapter 4...
  • Page 48: Remove The Hdd

    Attention: Do not pull the cable. Use your fingernail to disconnect the cable. Figure 25. Disconnect the battery pack cable Step 2. Remove four screws and remove the HDD with bracket. Figure 26. Remove four screws and remove the HDD with bracket Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 49 Screw specifications Number of screws M2 x 3.0 mm Step 3. Remove the HDD AL foil. Figure 27. Remove the HDD AL foil Step 4. Remove four screws and remove the HDD from the HDD bracket. Figure 28. Remove four screws and remove the HDD from the HDD bracket Screw specifications Number of screws M3 x 3.0 mm...
  • Page 50: Remove The Memory Module

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: HDD bracket HDD AL foil Remove the memory module Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 28 Step 1.
  • Page 51: Remove The Dc-In Cable

    Remove the memory module. Figure 31. Remove the memory module Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Memory module Remove the DC-in cable Make sure the following FRU (or CRU) have been removed.
  • Page 52 Figure 33. Remove two screws and open the left hinge Screw specifications Number of screws M2.5 x 5.5 mm Step 3. Disconnect the DC-in cable from the system board. Then, remove the DC-in cable. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 53: Remove The I/O Board Brackets

    Figure 34. Disconnect the DC-in cable from the system board and remove the DC-in cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: DC-in cable Remove the I/O board brackets Make sure the following FRU (or CRU) has been removed.
  • Page 54 Remove two screws and lift the left hinge slightly. Figure 36. Remove two screws and lift the left hinge slightly Screw specifications Number of screws M2.5 x 5.5 mm Step 3. Remove two screws. Then, remove the I/O board brackets. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 55: Remove The I/O Board

    Figure 37. Remove two screws and remove the I/O board brackets Screw specifications Number of screws M2 x 3.0 mm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: I/O board brackets Remove the I/O board Make sure the following FRU (or CRU) has been removed.
  • Page 56 Disconnect the connectors from the I/O board. Then, remove the I/O board. Figure 39. Disconnect the connectors from the I/O board and remove the I/O board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part:...
  • Page 57: Remove The Power Button Board

    Remove the power button board Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 28 Step 1. Disconnect the battery pack cable. Attention: Do not pull the cable. Use your fingernail to disconnect the cable. Figure 40.
  • Page 58 Number of screws M2 x 3.0 mm Step 4. Remove the power button board. Figure 43. Remove the power button board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 59: Remove The Power Button

    Power button board Remove the power button Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 28 “Remove the I/O board” on page 49 “Remove the power button board” on page 51 Step 1. Disconnect the battery pack cable.
  • Page 60 Figure 46. Remove two screws and the power button Screw specifications Number of screws M2 x 3.0 mm Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Power button Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 61: Remove The System Board

    Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack” on page 30 “Remove the M.2 solid-state drive” on page 33 “Remove the M.2 solid-state drive thermal pad” on page 35 “Remove the thermal choke pad”...
  • Page 62 Figure 49. Remove three screws the system board Screw specifications Number of screws M2 x 3.0 mm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: System board Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 63: Remove The Touch Pad

    Remove the touch pad Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack” on page 30 “Remove the system board” on page 55 Step 1. Remove the foil on the screws. Figure 50.
  • Page 64 Figure 53. Remove three screws and remove the touch pad Screw specifications Number of screws M2 x 1.7 mm Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 65: Remove The Upper Case

    Touch pad bracket Touch pad Remove the upper case Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 28 Step 1. Disconnect the battery pack cable from the system board. Attention: Do not pull the cable. Use your fingernail to disconnect the cable. Figure 54.
  • Page 66 Figure 55. Disconnect the WLAN cables and LCD cable Step 3. Remove four screws. Figure 56. Remove four screws Screw specifications Number of screws M2.5 x 5.5 mm Step 4. Open the hinges. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 67: Remove The Lcd Bezel

    Attention: When disassembling the upper case, handle the LCD module and upper case with care. Figure 58. Rotate the upper case to an angle no less than 90 degrees and remove the upper case Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part:...
  • Page 68 Step 2. Use the pry tool to remove the LCD bezel. Figure 60. Use the pry tool to remove the LCD bezel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hinge cap LCD bezel...
  • Page 69: Remove The Lcd Panel

    Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the upper case ” on page 59 “Remove the LCD bezel” on page 61 Step 1. Remove six screws. Figure 61.
  • Page 70 Figure 62. Remove the hinges Step 3. Remove the removable tapes. Figure 63. Remove the removable tapes Step 4. Carefully lift the LCD panel from the LCD cover. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 71: Remove The Camera Module

    Step 5. Open the EDP cable lock and disconnect the EDP cable from the LCD panel. Figure 65. Remove the EDP cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD panel Remove the camera module Make sure the following FRUs (or CRUs) have been removed.
  • Page 72 “Remove the LCD bezel” on page 61 Step 1. Disconnect the camera connector. Figure 66. Disconnect the camera connector Step 2. Remove the camera cable. Figure 67. Remove the camera cable Step 3. Remove the camera module. Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 73 Figure 68. Remove the camera module Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Camera module Chapter 4 Removing a FRU or CRU...
  • Page 74 Lenovo Thinkbook series Hardware Maintenance Manual...
  • Page 75: Trademarks

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