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Lenovo 16IRU8 Hardware Maintenance Manual

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Hardware Maintenance Manual
IdeaPad Flex 5i (14", 8), IdeaPad Flex 5 (14", 8), IdeaPad Flex 5i (16",
8) and IdeaPad Flex 5 (16", 8)

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Summary of Contents for Lenovo 16IRU8

  • Page 1 Hardware Maintenance Manual IdeaPad Flex 5i (14″, 8), IdeaPad Flex 5 (14″, 8), IdeaPad Flex 5i (16″, 8) and IdeaPad Flex 5 (16″, 8)
  • Page 2 First Edition (December 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Disassemble the LCD unit ..Safety notices (multilingual translations) ..4 Removal procedure for IdeaPad Flex 5 16IRU8 and IdeaPad Flex 5 16ABR8... .
  • 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 2022...
  • 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 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

    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 2022...

  • Page 26: Cru List

    Type ac power adapter self-service Power cord self-service Lenovo Digital Pen* self-service Lenovo pen holder* self-service Table 3. Model: IdeaPad Flex 5 16IRU8 (MT: 82Y1) Type ac power adapter self-service Power cord self-service Lenovo Digital Pen* self-service Lenovo pen holder* self-service Table 4.
  • Page 27 * for selected models Chapter 2 General checkout...
  • Page 28 Hardware Maintenance Manual...

  • Page 29: 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 2022...
  • Page 30 Figure 1. IdeaPad Flex 5 14IRU8 and IdeaPad Flex 5 14ABR8 exploded view Hardware Maintenance Manual...
  • Page 31 Table 5. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not an FRU, it contains FRUs as its components. Upper case Fingerprint board bracket Fingerprint board Fingerprint board cable I/O board I/O board cable Heat sink Antenna Speakers...
  • Page 32 Figure 2. IdeaPad Flex 5 14IRU8 and IdeaPad Flex 5 14ABR8 LCD unit - exploded view Hardware Maintenance Manual...
  • Page 33 Table 6. FRU categories for the LCD unit FRU (CRU) category LCD cover Hinges Camera cable Camera Microphone rubbers Camera privacy shutter Removable tape EDP cable LCD panel Hinge cover Sensor board Touch panel cable Chapter 3 Identifying FRUs (CRUs)
  • Page 34 Figure 3. IdeaPad Flex 5 16IRU8 and IdeaPad Flex 5 16ABR8 exploded view Hardware Maintenance Manual...
  • Page 35 Table 7. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not an FRU, it contains FRUs as its components. Upper case Fingerprint board bracket Fingerprint board Fingerprint board cable I/O board I/O board cable Heat sink Antenna Speakers...
  • Page 36 Figure 4. IdeaPad Flex 5 16IRU8 and IdeaPad Flex 5 16ABR8 LCD unit — exploded view Hardware Maintenance Manual...
  • Page 37 Table 8. FRU categories for the LCD unit FRU (CRU) category LCD cover Hinges Camera cable Camera Microphone rubbers Camera privacy shutter Removable tape EDP cable LCD panel Hinge cover Sensor board Touch panel cable Chapter 3 Identifying FRUs (CRUs)
  • Page 38 Hardware Maintenance Manual...

  • Page 39: 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 40 3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing an FRU, move it in the direction as shown by the arrow in the illustration. 5.

  • Page 41: Removal Procedure For Ideapad Flex 5 14Iru8 And Ideapad Flex 5 14Abr8

    Removal procedure for IdeaPad Flex 5 14IRU8 and IdeaPad Flex 5 14ABR8 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. Step 2. Remove nine screws.

  • Page 42: Remove The Battery Pack

    Figure 6. 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 43: Remove The Solid-State Drive (Ssd)

    Remove the solid-state drive (SSD) Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 35 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.

  • Page 44: Remove The Wi-Fi Card

    Step 5. Remove the SSD mylar. Figure 11. Remove the SSD mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Solid-state drive (SSD) Solid-state drive (SSD) bracket Solid-state drive (SSD) thermal pad Solid-state drive (SSD) mylar Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 45: Remove The Heat Sink

    Figure 13. Remove the Wi-Fi card Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 46: Remove The Fan

    Screw specifications Number of screws M2 x L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Heat sink Remove the fan Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 “Remove the heat sink”...

  • Page 47: Remove The I/O Board

    Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 35 Step 1.

  • Page 48: Remove The I/O Board Cable

    Number of screws Screw specifications M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: I/O board Remove the I/O board cable Make sure the following FRU (or CRU) has been removed.

  • Page 49: Remove The Fingerprint Board Module

    Figure 18. Remove the I/O board cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board cable Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 50: Remove The Speakers

    Figure 20. Remove the fingerprint board cable Step 3. Remove fingerprint board. Figure 21. Remove fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board bracket Fingerprint board cable Fingerprint board Remove the speakers Make sure the following FRU (CRU) has been removed.

  • Page 51: Remove The Antenna

    Figure 22. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the antenna Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 35 “Remove the battery pack”...

  • Page 52: Remove The Touchpad Cable

    Figure 24. Remove the antenna Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Antenna Remove the touchpad cable Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 35 “Remove the battery pack”...
  • Page 53 “Remove the solid-state drive (SSD)” on page 37 “Remove the Wi-Fi card” on page 38 “Remove the heat sink” on page 39 “Remove the fan” on page 40 Step 1. Remove the two pieces of tape. Figure 26. Remove the two pieces of tape Step 2.
  • Page 54 Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board Use a Golden Key U1 tool to flash-write key id information After replacing the system board and re-assembling the computer, use a pre-made Golden Key U1 tool to start the computer and flash-write the serial number (SN), machine type (MT), product name (PN), and UUID to the new system board.

  • Page 55: Remove The Touchpad

    The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to http://support.lenovo.com/us/en/solutions/HT506954 for detailed instructions on how to create and use a Golden Key U1 tool. Remove the touchpad Make sure the following FRUs (CRUs) have been removed.

  • Page 56: Remove The Lcd Unit

    Step 4. Remove the touchpad. Figure 32. Remove the touchpad Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Touchpad Remove the LCD unit Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 35 “Remove the heat sink”...
  • Page 57 Figure 33. Remove the four pieces of tape Step 3. Release the touch panel cable and EDP cable from the cable guide then disconnect cables connected to the system board. Figure 34. Disconnect cables connected to the system board Step 4. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface as shown.

  • Page 58: Remove The Upper Case

    “Remove the touchpad cable” on page 46 “Remove the system board” on page 46 “Remove the LCD unit” on page 50 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Hardware Maintenance Manual...

  • Page 59: Disassemble The Lcd Unit

    “Disassemble the LCD unit” on page 53 Step 1. Remove the hinge cover. Figure 36. Remove the hinge cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge cover Remove the LCD panel and EDP cable Make sure the following FRUs (CRUs) have been removed.
  • Page 60 Figure 37. Remove three screws Screw specifications Number of screws M2 x L3.5 Step 2. Remove the two pieces of removable tape with tweezers and then remove the LCD panel. Figure 38. Remove the LCD panel Step 3. Turn the LCD panel over. Peel off tape then disconnect the EDP cable from the LCD panel. Hardware Maintenance Manual...
  • Page 61 Figure 39. Peel off tape then disconnect the EDP cable from the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape EDP cable Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.
  • Page 62 Remove the camera privacy shutter. Figure 41. Remove the camera privacy shutter Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera privacy shutter Remove the hinges Make sure the following FRUs (CRUs) have been removed.
  • Page 63 Figure 42. Remove six screws and remove the hinges Screw specifications Number of screws M2.5 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the camera Make sure the following FRUs (CRUs) have been removed.
  • Page 64 Step 1. Detach the camera cable connectors then remove the camera cable. Figure 44. Detach the camera cable connectors then remove the camera cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Camera cable...
  • Page 65 Step 3. Disconnect the touch panel cable from the sensor board. Figure 47. Disconnect the touch panel cable from the sensor board Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touch panel cable...

  • Page 66: Removal Procedure For Ideapad Flex 5 16Iru8 And Ideapad Flex 5 16Abr8

    Lenovo part number of the following replacement part: LCD cover Removal procedure for IdeaPad Flex 5 16IRU8 and IdeaPad Flex 5 16ABR8 Remove the lower case Make sure the computer has been shut down before servicing the computer.

  • Page 67: Remove The Battery Pack

    Step 3. Pry up the latches and then remove the lower case. Figure 49. Pry up the latches and remove the lower case Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed.

  • Page 68: Remove The Solid-State Drive (Ssd) Module

    Screw specifications Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Battery pack Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed.

  • Page 69: Remove The Wi-Fi Card

    Figure 53. Remove the SSD thermal pad Step 5. Remove the SSD mylar. Figure 54. Remove the SSD mylar Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: SSD bracket SSD thermal pad SSD mylar Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 70: Remove The Heat Sink

    Figure 56. Remove the Wi-Fi card Screw specifications Number of screws M2 x L2 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 71: Remove The Fan

    Figure 57. Remove the heat sink Screw specifications Number of screws M2 x L4 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fan Make sure the following FRUs (or CRUs) have been removed.

  • Page 72: Remove The I/O Board

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 60 Step 1. Disconnect the battery pack cable from the system board.

  • Page 73: Remove The I/O Board Cable

    Figure 60. Remove the I/O board Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board Remove the I/O board cable Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 60 “Remove the heat sink”...

  • Page 74: Remove The Fingerprint Board Module

    Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 60 “Remove the battery pack” on page 61 Step 1. Remove one screw then remove the fingerprint board bracket. Figure 62.

  • Page 75: Remove The Speakers

    Figure 64. Remove fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board bracket Fingerprint board cable Fingerprint board Remove the speakers Make sure the following FRU (CRU) has been removed.

  • Page 76: Remove The Antenna

    Figure 66. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the antenna Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 60 “Remove the battery pack”...

  • Page 77: Remove The Touchpad Cable

    Figure 68. Remove the antenna Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Antenna Remove the touchpad cable Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 60 “Remove the battery pack”...
  • Page 78 “Remove the solid-state drive (SSD) module” on page 62 “Remove the Wi-Fi card” on page 63 “Remove the heat sink” on page 64 “Remove the fan” on page 65 “Remove the touchpad cable” on page 71 “Remove the system board” on page 73 Step 1.

  • Page 79: Remove The System Board

    Figure 72. Remove the touchpad Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Touchpad Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 60 “Remove the battery pack”...
  • Page 80 Figure 74. Open left hinge Screw specifications Number of screws M2.5 x L6 M2 x L5 Step 3. Disconnect cables connected to the system board. Hardware Maintenance Manual...
  • Page 81 Figure 75. Disconnect cables connected to the system board Step 4. Remove three screws and then remove the system board. Figure 76. Remove the system board Chapter 4 Removing a FRU or CRU...

  • Page 82: Remove The Lcd Unit

    Screw specifications Number of screws M2 x L3.5 M2 x L2 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board Use a Golden Key U1 tool to flash-write key id information After replacing the system board and re-assembling the computer, use a pre-made Golden Key U1 tool to start the computer and flash-write the serial number (SN), machine type (MT), product name (PN), and UUID to the new system board.

  • Page 83: Remove The Upper Case

    Figure 78. Disconnect LCD cable connected to the system board Step 4. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface as shown. Remove nine screws and then remove the LCD unit. Figure 79.

  • Page 84: Disassemble The Lcd Unit

    “Remove the system board” on page 73 “Remove the LCD unit” on page 76 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Disassemble the LCD unit The LCD unit as a whole is not an FRU. Instead, it contains FRUs as its components. Before disassembling the LCD unit, make sure it has been detached from the upper case.
  • Page 85 “Disassemble the LCD unit” on page 78 “Remove the hinge cover” on page 78 Step 1. Detach the two cable connectors. Remove three screws. Figure 81. Remove three screws Screw specifications Number of screws M2 x L3.5 Step 2. Remove the two pieces of removable tape with tweezers and then remove the LCD panel. Figure 82.
  • Page 86 Figure 83. Peel off tape then disconnect the EDP cable from the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape EDP cable Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.
  • Page 87 Remove the camera privacy shutter. Figure 85. Remove the camera privacy shutter Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera privacy shutter Remove the hinges Make sure the following FRUs (CRUs) have been removed.
  • Page 88 Figure 86. Remove six screws and remove the hinges Screw specifications Number of screws M2.5 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the camera Make sure the following FRUs (CRUs) have been removed.
  • Page 89 Step 1. Detach the camera cable connectors then remove the camera cable. Figure 88. Detach the camera cable connectors then remove the camera cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Camera cable...
  • Page 90 Step 3. Disconnect the touch panel cable from the sensor board. Figure 91. Disconnect the touch panel cable from the sensor board Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touch panel cable...
  • Page 91 “Remove the camera cable” on page 83 “Remove the touch panel cable and sensor board” on page 83 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD cover Chapter 4 Removing a FRU or CRU...
  • Page 92 Hardware Maintenance Manual...

  • Page 93: Appendix A. Label Locations

    70 mm x 10 mm 43 mm x 24 mm KCC label Indonesia postel label 15 mm x 10 mm Indonesia rating label 26 mm x 10 mm WL/BT label Israel 32 mm x 10 mm © Copyright Lenovo 2022...
  • Page 94 Table 10. All base cover labels (continued) Brazil 35 mm x 15 mm 20 mm x 10 mm South Africa 32 mm x 10 mm US/ CA/ TW/ CA_Group Hardware Maintenance Manual...

  • Page 95: Trademarks

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

This manual is also suitable for:

Ideapad flex 514abr8Ideapad flex 5i16abr8

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