Related Manuals for Lenovo Flex 3i Chromebook
Summary of Contents for Lenovo Flex 3i Chromebook
- Page 1 Hardware Maintenance Manual IdeaPad Flex 3i Chromebook (12″, 8) and Lenovo Flex 3i Chromebook 12″...
- Page 2 First Edition (February 2023) © Copyright Lenovo 2023.
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Page 3: Table Of Contents
Trademarks ....xlix Service tools ....© Copyright Lenovo 2023... - Page 4 Hardware Maintenance Manual...
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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...
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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...
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- Page 19 Chapter 1 Safety information...
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- Page 21 Chapter 1 Safety information...
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- Page 23 Chapter 1 Safety information...
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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. Create And Use A Usb Repair Shim
When you use the USB repair shim to diagnose problems, the Chromebook enters the factory-test-image environment and runs through factory test items. Note: For the latest and detailed shim instruction, you can refer to the RMA Shim SOP from “Drivers & Software” on https://support.lenovo.com with Lenovo service credential. © Copyright Lenovo 2023... - Page 28 Hardware Maintenance Manual...
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Page 29: Chapter 4. Identifying Frus (Crus)
Chapter 4. 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 30 Figure 1. exploded view Hardware Maintenance Manual...
- Page 31 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 Speaker I/O board cable I/O board Lower case Battery pack Touchpad board cable Wi-Fi card System board Heat sink...
- Page 32 Figure 2. LCD module - exploded view Table 3. FRU (CRU) categories FRU (CRU) category LCD panel Camera foil Hardware Maintenance Manual...
- Page 33 Table 3. FRU (CRU) categories (continued) FRU (CRU) category Microphone rubber Camera board LCD cover Hinge rubber Hinges Strip cover EDP cable Sensor board Chapter 4 Identifying FRUs (CRUs)
- Page 34 Hardware Maintenance Manual...
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Page 35: Chapter 5. Removing A Fru Or Cru
Chapter 5. 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 36: 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 37: 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 38: Remove The Speaker
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: Battery pack Remove the speaker Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 Step 1. -
Page 39: Remove The I/O Board Cable
Wi-Fi card by pulling it away from the slot. Figure 7. Remove the Wi-Fi card Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Wi-Fi card Remove the I/O board cable Make sure the following FRU (or CRU) have been removed. -
Page 40: 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 cable Remove the I/O board Make sure the following FRU (or CRU) have been removed. “Remove the lower case” on page 30 Step 1. -
Page 41: Remove The Touchpad Board Cable
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: I/O board Remove the touchpad board cable Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the battery pack”... -
Page 42: Remove The System Board And The Heat Sink
Remove the system board and the heat sink Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 30 “Remove the Wi-Fi card” on page 32 Step 1. Disconnect cables connected to the system board. Figure 13. -
Page 43: Remove The Lcd Module
Figure 15. Remove the heat sink Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Heat sink System board Remove the LCD module Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 Step 1. -
Page 44: Remove The Upper Case
Figure 17. Disconnect EDP cable and antenna cable Step 4. Rotate the LCD module to an angle of more than 90 degrees and place the computer on a flat surface as shown. Remove six screws and then remove the LCD module. Figure 18. -
Page 45: Disassemble The Lcd Module
“Remove the touchpad board cable” on page 35 “Remove the system board and the heat sink” on page 36 “Remove the LCD module” on page 37 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case Disassemble the LCD module The LCD module as a whole is not a FRU. -
Page 46: Remove The Lcd Panel
Figure 20. Remove the strip cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Strip cover Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 37 “Remove the strip cover”... -
Page 47: Remove The Sensor Board
Figure 22. Remove the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Remove the sensor board Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 37 “Remove the strip cover”... -
Page 48: Remove The Camera Foil
Figure 24. Remove the sensor board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Sensor board Remove the camera foil Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 37 “Remove the strip cover”... - Page 49 Remove the microphone rubber from the camera board. Figure 28. Remove the microphone rubber from the camera board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: EDP cable Chapter 5 Removing a FRU or CRU...
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Page 50: Remove The Hinges
Figure 29. Remove six screws and remove the hinges Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the LCD cover Make sure the following FRUs (CRUs) have been removed. - Page 51 LCD cover Chapter 5 Removing a FRU or CRU...
- Page 52 Hardware Maintenance Manual...
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Page 53: Appendix A. Label Locations
Figure 30. Label layout on the back side of the base cover Labels attached to the base cover are country/region specific. Make sure to apply the appropriate labels to the replacement base cover. Table 5. All base cover labels Applied country/region Label Label name Label dimensions © Copyright Lenovo 2023... - Page 54 Hardware Maintenance Manual...
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Page 55: Trademarks
Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2023 Lenovo.