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Lenovo Yoga 7 Hardware Maintenance Manual

Lenovo Yoga 7 Hardware Maintenance Manual

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

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Summary of Contents for Lenovo Yoga 7

  • Page 1 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 2 First Edition (March 2022) © Copyright Lenovo 2022.
  • Page 3: Table Of Contents

    ....Remove the M.2 2242 solid-state drive and bracket (for selected models) ..© Copyright Lenovo 2022...
  • Page 4 Yoga 7 (14″, 7) and Yoga 7i (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 7 (14″, 7) and Yoga 7i (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 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Yoga 7 (14″, 7) and Yoga 7i (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

    CRU list Type ac power adapter self-service power cord self-service Lenovo Digital Pen* self-service Lenovo E-Color Pen* self-service *for selected models Yoga 7 (14″, 7) and Yoga 7i (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 © Copyright Lenovo 2022...
  • Page 30 Speakers Battery pack Thermal module Fingerprint reader board cable* Touch pad cable System board System board rubber ac power adapter Power cord Screw kit * for selected models Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 31 Figure 2. LCD Exploded view Table 2. FRU (CRU) categories FRU (CRU) category LCD panel Microphone rubbers Camera board Camera board cable Sensor board Sensor board cable EDP cable LCD cover Removable tapes Hinge rubbers Hinges Strip frame Strip covers Chapter 3 Idetifying FRUs (CRUs)
  • Page 32 Yoga 7 (14″, 7) and Yoga 7i (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 Lower Case

    Make sure the computer has been shut down before servicing the computer. Step 1. Place the computer upside down on a flat surface. Then, remove seven screws. Figure 3. Remove seven screws Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 35: Remove The Battery Pack

    Pry up the latches and 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 numbers of the following replacement part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.
  • Page 36: Remove The Coin-Cell Battery

    “Remove the lower case” on page 28 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. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 37: Remove The M.2 2280 Solid-State Drive (For Selected Models)

    Figure 7. Disconnect the cable from the USB board and remove the coin-cell battery Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Coin-cell battery Remove the M.2 2280 solid-state drive (for selected models) Make sure the following FRUs (or CRUs) have been removed.
  • Page 38 Remove one screw and remove the solid-state drive by pulling it away from the slot. Figure 9. Remove one screw and the solid-state drive Number of screws Screw specifications M2.0 × L2.2 Step 3. Peel off the mylar from the solid-state drive. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 39: Remove The M.2 2242 Solid-State Drive And Bracket (For Selected Models)

    Figure 10. Peel off the mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: M.2 2280 solid-state drive M.2 2280 solid-state drive mylar M.2 2280 solid-state drive thermal pad Remove the M.2 2242 solid-state drive and bracket (for selected models) Make sure the following FRUs (or CRUs) have been removed.
  • Page 40 Figure 13. Remove one screw and the solid-state drive Screw specifications Number of screws M2.0 × L2.7 Step 4. Peel off the mylar from the solid-state drive. Figure 14. Peel off the mylar Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 41: Remove The Wi-Fi Card

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: M.2 2242 solid-state drive M.2 2242 solid-state drive bracket M.2 2242 solid-state drive mylar M.2 2242 solid-state drive thermal pad Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed.
  • Page 42 Remove the Wi-Fi card. Figure 17. Remove the Wi-Fi card Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Wi-Fi card Thermal mylar Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 43: Remove The Thermal Module

    Remove the thermal module Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1. Disconnect the battery pack cable from the system board and peel off the thermal mylar. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 18.
  • Page 44: Remove The Usb Board Cable

    “Remove the lower case” on page 28 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. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 45: Remove The Usb Board

    Disconnect the USB board cable from the USB board and the system board. Then, remove the USB board cable. Figure 22. Disconnect and remove the USB board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: USB board cable Remove the USB board Make sure the following FRUs (or CRUs) have been removed.
  • Page 46 Disconnect the power board cable, coin-cell battery cable, USB board cable and speaker cable from the USB board. Figure 24. Disconnect the cables Step 3. Remove three screws and the USB board. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 47: Remove The Speakers

    Figure 25. Remove three screws and the USB board Screw specifications Number of screws M2.0 × L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: USB board Remove the speakers Make sure the following FRUs (CRUs) have been removed.
  • Page 48: Remove The Touch Pad Cable

    “Remove the battery pack” on page 29 Step 1. Disconnect the touch pad cable connectors from the system board and the touch pad. Then, remove the touch pad cable. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 49: Remove The Fingerprint Reader Board Cable (For Selected Models)

    Figure 27. Disconnect the touch pad cable connectors and remove the touch pad cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Touch pad cable Remove the fingerprint reader board cable (for selected models) Make sure the following FRUs (CRUs) have been removed.
  • Page 50: Remove The System Board

    “Remove the thermal module” on page 37 Step 1. Disconnect all the cables from the system board. Figure 29. Disconnect cables Step 2. Remove seven screws and the system board. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 51 Remove the system board rubber and the mylar. Figure 31. Remove the system board rubber and the mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: System board System board mylar System board rubber...
  • Page 52: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Figure 32. Remove the antennas from the hooks and disconnect the power board cable Step 2. Remove three screws. Then, remove the coin-cell battery holder and power board with cable. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 53 Figure 33. Remove three screws, the coin-cell battery holder, and power board with cable Screw specifications Number of screws M2.0 × L5.0 Step 3. Disconnect and remove the power board with cable. Figure 34. Disconnect and remove the power board with cable Step 4.
  • Page 54: Remove The Upper Case (With Keyboard)

    Remove the cable from the hooks. Figure 36. Remove the cable from the hooks Step 2. Remove six screws. Then, rotate the upper case (with keyboard) to an angle larger than 270 degrees. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 55: Remove The Strip Covers

    Step 3. Remove the upper case (with keyboard) from the LCD module. Figure 38. 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 strip covers Make sure the following FRUs (CRUs) have been removed.
  • Page 56: Remove The Strip Frame

    “Remove the lower case” on page 28 “Remove the upper case (with keyboard)” on page 48 “Remove the strip covers” on page 49 Step 1. Remove seven screws and the strip frame. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 57: Remove The Lcd Panel

    Figure 40. Remove seven screws and the strip frame Screw specifications Number of screws M1.6 × L3.0 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Strip frame Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.
  • Page 58: Remove The Hinges, Hinge Rubbers, Edp Cable And Sensor Board Cable

    Remove the hinges, hinge rubbers, EDP cable and sensor board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 59 “Remove the upper case (with keyboard)” on page 48 “Remove the LCD panel” on page 51 Step 1. Open the latch and remove six screws. Then, remove the hinges, sensor board cable, and the EDP cable from the LCD cover. Figure 43.
  • Page 60: Remove The Camera Board Cable

    “Remove the upper case (with keyboard)” on page 48 “Remove the LCD panel” on page 51 Step 1. Disconnect the camera board cable from the camera board and remove the camera board cable. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 61: Remove The Microphone Rubbers

    Figure 46. Disconnect and remove the camera board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Camera board cable Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.
  • Page 62: Remove The Camera Board

    “Remove the LCD panel” on page 51 Step 1. Disconnect the sensor board cable and camera board cable from the sensor board. Then, remove the sensor board from the LCD cover. Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 63 Figure 49. Disconnect the sensor board cable and camera board cable and remove the sensor board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Sensor board Chapter 4 Removing a FRU or CRU...
  • Page 64 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 65: Chapter 5. Label Locations

    New BIS label_India 22 mm × 30 mm Vietnam label 10 mm × 9 mm Belarus label 40 mm × 8 mm Malaysia label 8 mm × 8 mm 35 mm × 15 mm WL/BT label © Copyright Lenovo 2022...
  • Page 66 Yoga 7 (14″, 7) and Yoga 7i (14″, 7) Hardware Maintenance Manual...
  • Page 67: Trademarks

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

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