Lenovo IdeaPad 3 Series Hardware Maintenance Manual
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Lenovo IdeaPad 3 Series Hardware Maintenance Manual

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  • Page 1 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 2 First Edition (January 2021) © Copyright Lenovo 2021.

  • Page 3: Table Of Contents

    Trademarks ....lxxvii Remove the solid-state drive thermal pad..Remove the heatsink ... . . © Copyright Lenovo 2021...
  • Page 4 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i 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 2021...
  • Page 6 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i 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 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 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i 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 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. Idetifying Frus (Crus)

    Chapter 3. Idetifying 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. IdeaPad 3 14ALC6/IdeaPad 3 14ITL6 exploded view Table 4.
  • Page 30 Table 4. FRU (CRU) categories (continued) USB board cable Storage drive Storage drive cable Storage drive bracket Heat sink Battery pack Lower case Touchpad cable Coin-cell battery Solid-state drive bracket Solid-state drive Solid-state drive thermal pad Wi-Fi card Memory module shielding Memory module System board ac power adapter...
  • Page 31 Figure 2. IdeaPad 3 15ALC6/IdeaPad 3 15ITL6 exploded view Table 5. FRU (CRU) categories FRU (CRU) category Upper case assembly Fingerprint reader Fingerprint reader cable USB board USB board cable Storage drive cable Storage drive Storage drive bracket Heat sink Chapter 3 Idetifying FRUs (CRUs)
  • Page 32 Table 5. FRU (CRU) categories (continued) Battery pack Lower case Touchpad cable Coin-cell battery Solid-state drive bracket Solid-state drive Solid-state drive thermal pad Wi-Fi card Memory module shielding Memory module System board ac power adapter Power cord Screw kit IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 33 Figure 3. IdeaPad 3 17ALC6/IdeaPad 3 17ITL6 exploded view Table 6. FRU (CRU) categories FRU (CRU) category Upper case assembly Fingerprint reader Fingerprint reader cable USB board USB board cable Storage drive cable Storage drive Storage drive bracket Heat sink Chapter 3 Idetifying FRUs (CRUs)
  • Page 34 Table 6. FRU (CRU) categories (continued) Battery pack Lower case Touchpad cable Coin-cell battery Solid-state drive bracket Solid-state drive Solid-state drive thermal pad Wi-Fi card Memory module shielding Memory module System board ac power adapter Power cord Screw kit IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 35 Figure 4. LCD exploded view Table 7. FRU (CRU) categories FRU (CRU) category LCD bezel LCD panel Hinges Microphone rubbers Camera EDP cable LCD cover Hinge caps Removable tapes Chapter 3 Idetifying FRUs (CRUs)
  • Page 36 IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...

  • Page 37: 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 38: Remove The Lower Case

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

  • Page 39: For 15-Inch And 17-Inch Models

    Number of screws M2 x L6 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Lower case For 15–inch and 17–inch models Make sure the computer has been shut down before servicing the computer.

  • Page 40: Remove The Memory Module Shielding

    Open the latches and remove the memory module from the system board. Figure 7. 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 memory module shielding Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The Storage Drive

    Figure 8. Disconnect the battery pack cable Step 2. Remove the memory module shielding. Figure 9. Remove the memory module shielding Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Memory module shielding Remove the storage drive Make sure the following FRUs (or CRUs) have been removed.
  • Page 42 Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 10. Step 2. Disconnect the storage drive cable. Figure 11. Remove the memory module Step 3. Remove the four screws and then remove the storage drive from the system board. Figure 12.

  • Page 43: Remove The Storage Drive Bracket

    Screw specifications (15–inch and 17–inch Number of screws models) M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Memory module Remove the storage drive bracket Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The Battery Pack

    Figure 13. Remove four screws and remove the storage drive bracket Screw specifications Number of screws M3 x L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Storage drive bracket Remove the battery pack Remove the battery pack (with storage drive) Make sure the following FRUs (or CRUs) have been removed.

  • Page 45: Remove The Battery Pack (No Storage Drive)

    Figure 15. Remove the battery pack Screw specifications Number of screws M2 x L5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Battery pack Remove the battery pack (no storage drive) Make sure the following FRUs (or CRUs) have been removed.
  • Page 46 Figure 17. Remove 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: IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...

  • Page 47: Remove The Solid-State Drive

    Battery pack Remove the solid-state drive Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Step 2.

  • Page 48: Remove The Solid-State Drive Thermal Pad

    Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Solid-state drive Remove the solid-state drive thermal pad Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 Step 1.

  • Page 49: Remove The Heatsink

    Figure 21. Remove the solid-state drive thermal pad Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Solid-state drive thermal pad Remove the heatsink For ALC models Make sure the following FRUs (or CRUs) have been removed.

  • Page 50: For Itl Models

    Screw specifications Number of screws M x L Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Heat sink For ITL models Make sure the following FRUs (or CRUs) have been removed. IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...
  • Page 51 Figure 25. Loosen six screws and remove the heat sink Screw specifications Number of screws M x L 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 52: Remove The System Fan

    Heat sink Remove the system fan For 14–inch and 15–inch models Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 Step 1. Disconnect the battery pack cable from the system board and remove the fan. Attention: Use your fingernail to pull the connector to unplug it.
  • Page 53 Screw specifications (14–inch models) Number of screws M2 x L5 Screw specifications (15–inch models) Number of screws M2 x L5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Chapter 4 Removing a FRU or CRU...

  • Page 54: For 17-Inch Models

    For 17–inch models Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 Step 1. Disconnect the fan cable from the system board. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 29.

  • Page 55: Remove The Wi-Fi Card

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fans Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 Step 1. Disconnect the battery pack cable and Wi-Fi card cable from the system board and disconnect Wi- Fi antenna cable from Wi-Fi card.

  • Page 56: Remove The Usb Board

    M2 x L2.8 Screw specifications (for 15–inch models) 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: Wi-Fi card Remove the USB board For 14–inch models Make sure the following FRUs (or CRUs) have been removed.

  • Page 57: For 15-Inch Models

    Figure 33. Remove the left I/O board bracket Screw specifications Number of screws M2 x L2.8 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: USB board For 15–inch models Make sure the following FRUs (or CRUs) have been removed.
  • Page 58 Figure 34. Disconnect the battery pack and the USB board cable Step 2. Remove three screws and then open the left hinge. Figure 35. Remove the USB board Screw specifications Number of screws M2 x L2.5 M2 x L3.5 Step 3. Remove the USB board.

  • Page 59: For 17-Inch Models

    Figure 36. Remove the USB board. 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 parts: USB board For 17–inch models Make sure the following FRUs (or CRUs) have been removed.

  • Page 60: Remove The Usb Board Cable

    Figure 38. Remove the USB board Screw specifications Number of screws M2 x L2.8 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: USB board Remove the USB board cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 61: Remove The Coin-Cell Battery

    Remove the USB board cable. Figure 39. Remove the USB board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: USB board cable Remove the coin-cell battery Make sure the following FRUs (or CRUs) have been removed.

  • Page 62: Remove The Fingerprint Reader

    Step 2. Press the coin-cell battery outwards and then remove it from the system board. Figure 41. 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 fingerprint reader Make sure the following FRUs (CRUs) have been removed.
  • Page 63 Figure 42. Disconnect the battery pack cable Step 2. Remove the fingerprint reader. Figure 43. Remove the fingerprint reader Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Fingerprint reader Chapter 4 Removing a FRU or CRU...

  • Page 64: Remove The System Board

    Remove the system board For the 14–inch models Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 “Remove the storage drive” on page 35 “Remove the battery pack” on page 38 “Remove the memory module” on page 33 “Remove the heatsink”...

  • Page 65: For 15-Inch Models

    M2.5 x L5 Step 3. Remove the system board. Figure 46. Remove the system board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: System board For 15–inch models Make sure the following FRUs (or CRUs) have been removed.
  • Page 66 “Remove the lower case” on page 32 “Remove the storage drive” on page 35 “Remove the battery pack” on page 38 “Remove the memory module” on page 33 “Remove the heatsink” on page 43 “Remove the system fan” on page 46 “Remove the coin-cell battery”...

  • Page 67: For The 17-Inch Models

    M2.5 x L3.5 Step 3. Remove the system board. Figure 49. Remove the system board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: System board For the 17–inch models Make sure the following FRUs (or CRUs) have been removed.
  • Page 68 “Remove the lower case” on page 32 “Remove the storage drive” on page 35 “Remove the battery pack” on page 38 “Remove the memory module” on page 33 “Remove the heatsink” on page 43 “Remove the system fan” on page 46 “Remove the coin-cell battery”...
  • Page 69 M2 x L2.8 M2.5 x L5 Step 3. Remove the system board. Figure 52. Remove the system board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: System board Chapter 4 Removing a FRU or CRU...

  • Page 70: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to for detailed instructions on how to create http://support.lenovo.com/us/en/solutions/HT506954 and use a Goldern Key U1 tool. Remove the upper case Make sure the following FRUs (CRUs) have been removed.
  • Page 71 Attention: When disassembling the upper case, handle the LCD module and upper case with care. Figure 55. Remove the upper case assembly Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard)

  • Page 72: Remove The Lcd Bezel

    Attention: Do not pull the LCD bezel from the outer sides of the LCD bezel, otherwise the hooks may be damaged. The lower side of the LCD bezel is fixed to the LCD panel with adhesive tape. Detach with care. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD bezel Remove the stripe cover Make sure the following FRUs (CRUs) have been removed.

  • Page 73: Remove The Hinge

    Figure 57. Remove the stripe cover Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Stripe cover Remove the hinge For 14–inch models Make sure the following FRUs (CRUs) have been removed. “Remove the upper case ” on page 64 “Remove the LCD bezel”...

  • Page 74: For The 15-Inch Models

    M2 x L2.8 Step 2. Remove the two hinges. Figure 59. Remove the two hinges Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hinge For the 15–inch models Make sure the following FRUs (CRUs) have been removed.
  • Page 75 “Remove the upper case ” on page 64 “Remove the LCD bezel” on page 66 “Remove the LCD panel” on page 71 Step 1. Remove 12 screws. Figure 60. Remove ten screws Screw specifications Number of screws M2 x L2 M2 x L2.8 Step 2.

  • Page 76: For 17-Inch Models

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hinge For 17–inch models Make sure the following FRUs (CRUs) have been removed. “Remove the upper case ” on page 64 “Remove the LCD bezel” on page 66 “Remove the LCD panel”...

  • Page 77: Remove The Lcd Panel

    Figure 63. Remove the EDP cable and remove the LCD panel Step 3. Remove the two hinges. Figure 64. Remove the two hinges Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hinge Remove the LCD panel For 14–inch and 15–inch models...

  • Page 78: For 17-Inch Models

    Disconnect the EDP cable and then remove the LCD panel. Figure 66. Disconnect the EDP cable and remove the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD panel For 17–inch models Make sure the following FRUs (CRUs) have been removed.
  • Page 79 “Remove the lower case” on page 32 “Remove the upper case ” on page 64 Step 1. Remove ten hinge screws and then carefully lift the LCD panel from the LCD cover. Figure 67. Lift the LCD panel Screw specifications Number of screws M2 x L2.2 M2 x L2.5...

  • Page 80: Remove The Microphone Rubber

    Figure 69. Remove the removable tapes and remove the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD panel Remove the microphone rubber Make sure the following FRUs (CRUs) have been removed.

  • Page 81: Remove The Camera

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone rubber Remove the camera Make sure the following FRUs (CRUs) have been removed. “Remove the upper case ” on page 64 “Remove the LCD bezel” on page 66 “Remove the LCD panel”...
  • Page 82 Figure 72. Remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: EDP cable IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i series Hardware Maintenance Manual...

  • Page 83: 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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