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Lenovo Yoga Pro 9i Maintenance Manual

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Hardware Maintenance Manual
Yoga Pro 9i (16", 8)

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Summary of Contents for Lenovo Yoga Pro 9i

  • Page 1 Hardware Maintenance Manual Yoga Pro 9i (16″, 8)
  • Page 2 First Edition (March 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Remove the solid-state drive (SSD) ..Trademarks ....li Remove the Type-C bracket ..© Copyright Lenovo 2023...
  • 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 2023...
  • 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 2023...

  • 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 Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO DANGER DANGER DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER VORSICHT Chapter 1 Safety information...
  • Page 16 VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 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 2. General Checkout

    • LCD panel cracked from the application of excessive force or from being dropped • 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 © Copyright Lenovo 2023...

  • Page 26: Cru List

    • Damage caused by liquid spilled into the system • 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 •...

  • Page 27: 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 2023...
  • Page 28 Figure 1. exploded view Hardware Maintenance Manual...
  • Page 29 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not a FRU, it contains FRUs as its components. Upper case Speakers I/O board I/O board cable Power board Power board cable Thermal module Touchpad board cable Touchpad board mylar...
  • Page 30 Figure 2. LCD module - exploded view Table 3. FRU (CRU) categories FRU (CRU) category Hinge cover LCD panel EDP cable Removable tape Hardware Maintenance Manual...
  • Page 31 Table 3. FRU (CRU) categories (continued) FRU (CRU) category Camera lens mylar Camera board ALS rubber ToF rubber Microphone rubber Camera cable LCD cover Antenna Chapter 3 Identifying FRUs (CRUs)
  • Page 32 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

    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 35: Remove The Battery Pack

    Pry up the latches and then remove the lower case. Figure 4. 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 Remove the battery pack Make sure the following FRU (or CRU) has been removed.

  • Page 36: Remove The Solid-State Drive (Ssd)

    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 FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 37: Remove The Type-C Bracket

    Figure 8. Remove the Type-C 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: Type-C bracket Remove the touchpad board mylar and the touchpad board cable Make sure the following FRUs (CRUs) have been removed.

  • Page 38: Remove The Thermal Module

    Remove the touchpad board cable from the touchpad board and the system board. Figure 10. Remove the touchpad board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Touchpad board mylar Touchpad board cable Remove the thermal module Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Power Board

    Number of screws M2 x L2.8 M2 x L5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Thermal module Remove the power board Make sure the following FRU (or CRU) have been removed.

  • Page 40: Remove The I/O Board

    Screw specifications Number of screws M2 x L2.8 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Power board Remove the I/O board Make sure the following FRU (or CRU) have been removed. “Remove the lower case” on page 28 “Remove the solid-state drive (SSD)”...

  • Page 41: Remove The System Board, I/O Board Cable, Power Board Cable And Dc-In Cable

    Figure 16. Remove two screws and remove the I/O board Screw specifications Number of screws M2 x L2.8 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board Remove the system board, I/O board cable, power board cable and DC- in cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The Thermal Module

    “Remove the thermal module” on page 32 Step 1. Remove three screws and then open the hinge. Figure 17. Remove three screws and open the hinge Screw specifications Number of screws M2.5 x L4.3 Step 2. Disconnect cables connected to the system board. Hardware Maintenance Manual...
  • Page 43 Figure 18. Disconnect cables connected to the system board Step 3. Remove nine screws and then remove the system board. Figure 19. Remove nine screws and remove the system board Chapter 4 Removing a FRU or CRU...
  • Page 44 Step 6. Remove the DC-in cable from the system board. Figure 22. Remove the DC-in cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board DC-in cable I/O board cable Hardware Maintenance Manual...

  • Page 45: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Figure 23. Remove the speakers Screw specifications Number of screws M1.6 x L2.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Speakers Remove the LCD module Make sure the following FRUs (CRUs) have been removed. Chapter 4...
  • Page 46 “Remove the lower case” on page 28 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. Detach the main and auxiliary antenna cable connectors and then disconnect the EDP cable and the camera cable from the system board.

  • Page 47: Remove The Upper Case

    “Remove the speakers” on page 39 “Remove the LCD module” on page 39 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Disassemble the LCD module The LCD module as a whole is not a FRU. Instead, it contains FRUs as its components. Before disassembling the LCD module, make sure it has been detached from the upper case.

  • Page 48: Remove The Antenna

    “Remove the hinge cover” on page 41 Step 1. Remove the main and auxiliary antenna module. Figure 27. Remove the antenna Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Antenna Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.
  • Page 49 Figure 28. Disconnect the EDP cable from the LCD cover and remove the hinge deco Step 2. Remove the two pieces of removable tape with tweezers and then remove the LCD panel. Note: The removable tape is not reusable. Replace it when replacing related FRUs. Figure 29.

  • Page 50: Remove The Microphone Rubber

    Figure 30. Remove the EDP cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD panel EDP cable Removable tape Remove the microphone rubber Make sure the following FRUs (CRUs) have been removed.

  • Page 51: Remove The Tof Rubber

    “Remove the LCD panel” on page 42 Step 1. Remove the ToF rubber. Figure 32. 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 Removable tape Remove the ALS rubber Make sure the following FRUs (CRUs) have been removed.

  • Page 52: Remove The Camera Lens Mylar

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: ALS rubber Removable tape Remove the camera lens mylar Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 39 “Remove the hinge cover”...

  • Page 53: Remove The Camera Board

    Figure 35. Remove the camera cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Camera cable Removable tape Remove the camera board Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 39 “Remove the hinge cover”...
  • Page 54 “Remove the camera lens mylar” on page 46 “Remove the camera cable” on page 46 “Remove the camera board” on page 47 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD cover Hardware Maintenance Manual...

  • Page 55: Appendix A. Label Locations

    8 mm x 8 mm TW Group label 32 mm x 10 mm TW vision warning label 70 mm x 10 mm South Africa WLAN label 20 mm x 10 mm OS label Not defined 16.077 mm x 22.501 mm © Copyright Lenovo 2023...
  • Page 56 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. © 2023 Lenovo.

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