Lenovo Yoga 9i Hardware Maintenance Manual
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Lenovo Yoga 9i Hardware Maintenance Manual

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Yoga 9i (14", 7)
Hardware Maintenance Manual

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Summary of Contents for Lenovo Yoga 9i

  • Page 1 Yoga 9i (14″, 7) Hardware Maintenance Manual...
  • Page 2 First Edition (January 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Trademarks ....li Remove the rubber foot... . Remove the lower case ... . © Copyright Lenovo 2022...
  • Page 4 Yoga 9i (14″, 7)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 Yoga 9i (14″, 7)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 Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Yoga 9i (14″, 7)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

    Table 1. Model: Yoga 9 14IAP7 (Machine type: 82LU) Type ac power adapter self-service power cord self-service Lenovo 3-in-1 Hub self-service Lenovo Precision Pen 2* self-service Lenovo E-Color Pen* self-service * for selected models Yoga 9i (14″, 7)Hardware Maintenance Manual...

  • 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. Exploded view Table 2. FRU (CRU) categories...
  • Page 30 2242 solid-state drive thermal pad* Lower case Rubber foot Screw kit Fingerprint reader cable I/O board FPC I/O board cable I/O board System board Heat sink Power adapter Power cord * for selected models Yoga 9i (14″, 7)Hardware Maintenance Manual...
  • Page 31 Figure 2. LCD exploded view Table 3. LCD FRU (CRU) categories FRU (CRU) category LCD panel Microphone rubbers Camera module LCD bezel Strip frames Hinge and Soundbar assembly Removable tapes LCD cover Sensor board Strip cover Camera cable ToF rubber Chapter 3 Idetifying FRUs (CRUs)
  • Page 32 Yoga 9i (14″, 7)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 Rubber Foot

    Pry up the two ends of the rubber foot. Then, carefully remove the rubber foot. Figure 3. Remove the rubber foot Note: If the rubber foot is broken, replace it with a new one when assemble the computer. Yoga 9i (14″, 7)Hardware Maintenance Manual...

  • Page 35: Remove The Lower Case

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Rubber foot Remove the lower case Make sure the following FRUs (or CRUs) have been removed. “Remove the rubber foot” on page 28 Step 1.

  • Page 36: Remove The 2242 Solid-State Drive And Bracket (For Selected Models)

    Figure 5. 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: Battery pack Remove the 2242 solid-state drive and bracket (for selected models) Make sure the following FRUs (or CRUs) have been removed.
  • Page 37 Figure 6. Remove the 2242 solid-state drive and bracket Screw specifications Number of screws M2 x L2.5 Note: Thermal pad is provided on the lower surface of the 2242 solid-state drive. If you replace the 2242 solid-state drive, ensure that the thermal pad is attached in place. Step 2.

  • Page 38: Remove The 2280 Solid-State Drive (For Selected Models)

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: 2242 solid-state drive 2242 solid-state drive bracket Remove the 2280 solid-state drive (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Speakers

    Figure 9. Disconnect the antenna cables and remove the antenna module Screw specifications Number of screws M1.6 x L2.9 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Antenna module Remove the speakers Make sure the following FRUs (CRUs) have been removed.

  • Page 40: Remove The Heat Sink

    Figure 11. Remove speakers 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 parts: Speaker Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The Fans

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 12. Loosen three screws and remove the heat sink Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part:...

  • Page 42: Remove The I/O Board With Cables

    Figure 14. Remove 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 parts: Remove the I/O board with cables Make sure the following FRUs (or CRUs) have been removed.
  • Page 43 “Remove the lower case” on page 29 “Remove the battery pack” on page 29 Step 1. Disconnect the I/O board FPC from the system board and the I/O board. Figure 15. Disconnect the I/O board FPC Step 2. Disconnect the I/O board cable. Figure 16.
  • Page 44 Remove five screws and then remove the I/O board. Screw specifications Number of screws M1.6 x L2.9 M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: I/O board I/O board FPC I/O board cable...

  • Page 45: Remove The System Board And Fingerprint Reader Cable

    Remove the system board and fingerprint reader cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 29 “Remove the 2242 solid-state drive and bracket (for selected models)” on page 30 “Remove the 2280 solid-state drive (for selected models)”...
  • Page 46 Step 3. Remove the fingerprint reader cable. Figure 19. Remove the fingerprint reader cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: System board Fingerprint reader cable Yoga 9i (14″, 7)Hardware Maintenance Manual...

  • Page 47: 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 (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 48: Remove The Lcd Module

    Figure 21. Remove the upper case (with keyboard) Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard) Remove the LCD module Make sure the following FRUs (CRUs) have been removed.
  • Page 49 Step 2. Remove seven screws and the LCD bezel. Figure 23. Remove the seven screws and the LCD bezel Screw specifications Number of screws M1.6 x L2.9 Step 3. Remove four screws and the strip frames. Figure 24. Remove four screws and the strip frames Screw specifications Number of screws M1.6 x L2.9...
  • Page 50 Figure 25. Pull out removable tapes and lift the LCD panel Step 5. Lift the mylar and the conductive tape. Figure 26. Lift the mylar and the conductive tape Step 6. Disconnect the EDP cable and sensor board cable. Then, remove the LCD module. Yoga 9i (14″, 7)Hardware Maintenance Manual...

  • Page 51: Remove The Tof Rubber

    Figure 27. Disconnect the EDP cable and sensor board cable and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module LCD bezel Strip cover Strip frame Remove the ToF rubber Make sure the following FRUs (or CRUs) have been removed.

  • Page 52: Remove The Microphone Rubbers

    Figure 28. Remove the ToF rubber Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: ToF rubber Remove the microphone rubbers Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 42 Step 1.

  • Page 53: Remove The Camera Board And Camera Cable

    Microphone rubber Remove the camera board and camera cable Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 42 “Remove the ToF rubber” on page 45 “Remove the microphone rubbers” on page 46 Step 1.

  • Page 54: Remove The Sensor Board

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Camera board Camera cable Remove the sensor board Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 42 Step 1.
  • Page 55 M2 x L3 Step 2. Remove the hinge and soundbar assembly. Figure 34. Remove the hinge and soundbar assembly Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hinge and soundbar assembly Chapter 4...
  • Page 56 Yoga 9i (14″, 7)Hardware Maintenance Manual...

  • Page 57: Trademarks

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

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