Lenovo 14w 81MQ Hardware Maintenance Manual
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Lenovo 14w 81MQ Hardware Maintenance Manual

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Questo manuale d'istruzione è fornito da trovaprezzi.it. Scopri tutte le offerte per
81MQ002FIX
Hardware Maintenance Manual
Lenovo 14w
o cerca il tuo prodotto tra le
migliori offerte di Notebook
Lenovo 14w

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Summary of Contents for Lenovo 14w 81MQ

  • Page 1 Questo manuale d’istruzione è fornito da trovaprezzi.it. Scopri tutte le offerte per Lenovo 14w 81MQ002FIX o cerca il tuo prodotto tra le migliori offerte di Notebook Hardware Maintenance Manual Lenovo 14w...
  • Page 2 First Edition (February 2019) © Copyright Lenovo 2019. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 3: Table Of Contents

    Appendix B. Label locations ..57 Looking up the FRU information ..Trademarks ....lix © Copyright Lenovo 2019...
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Documentation

    • Depending on the version of operating systems, some user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice. Lenovo makes constant improvements on the documentation of your computer, including this Hardware Maintenance Manual. To get the latest documentation, go to https://support.lenovo.com...
  • 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 2019...

  • 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 DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT 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 1 Safety information...
  • Page 26 Hardware Maintenance Manual...

  • Page 27: 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 2019...

  • Page 28: Checking The Ac Power Adapter

    • 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 29: Cru List

    CRU list Model: Lenovo 14w MT: 81MQ Type ac power adapter self-service power cord self-service Chapter 2 General checkout...
  • Page 30 Hardware Maintenance Manual...

  • Page 31: Chapter 3. Identifying Frus (Crus)

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at .

  • Page 32: Major Frus And Crus

    Major FRUs and CRUs Figure 1. Lenovo 14w exploded view Hardware Maintenance Manual...
  • Page 33 Note: Depending on the computer model, your computer might look different from the illustration above. Table 1. Major FRUs and CRUs FRU description Optional-service CRU Self-service CRU LCD module Upper case (with keyboard) Antennas (main + auxiliary) Touchpad assembly Heat sink Speakers Power board Coin-cell battery...

  • Page 34: Lcd Frus And Crus

    LCD FRUs and CRUs Figure 2. LCD module – exploded view Hardware Maintenance Manual...

  • Page 35: Miscellaneous Parts

    • Screw M2.5 x 4.0, silver (4) Two acetate fabric tapes (for speakers) Conductive tape (for touchpad) Looking up the FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 3 Identifying FRUs (CRUs)
  • Page 36 Hardware Maintenance Manual...

  • Page 37: Chapter 4. Removing A Fru Or Cru

    6. When replacing a FRU, carefully retain and reuse all screws. If screws are missing, look up details in “Miscellaneous parts” on page 29 for replacement screws and order them through the Lenovo CRM system. 7. When replacing the base cover, reapply all labels that come with the replacement base cover. If some original labels are not included with the replacement base cover, peal them off from the original base cover and paste them on the replacement base cover.

  • Page 38: Remove The Lower Case

    Remove the lower case Make sure the computer has been turned off before servicing the computer. Step 1. Place the computer upside down on a flat surface. Loosen the 9 screws. Figure 3. Loosen the 9 screws Number of screws Screw specifications Color M2.0 x 4.0...

  • Page 39: Remove The Battery Pack

    Step 3. Remove the lower case. Figure 5. Remove the lower case Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed. “Remove the lower case”...

  • Page 40: Remove The Coin-Cell Battery

    Figure 7. Detach the battery pack connector Attention: Use your fingernails to unplug the battery pack connector. Do not pull the cable with force. Step 3. Remove the battery pack. Figure 8. Remove the battery pack Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: Battery pack Remove the coin-cell battery Make sure the following FRUs (or CRUs) have been removed.
  • Page 41 Step 1. Detach the coin-cell battery connector from the system board. Figure 9. Detach the connector Step 2. Remove the coin-cell battery. Figure 10. Remove the coin-cell battery Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: coin-cell battery Chapter 4 Removing a FRU or CRU...

  • Page 42: Remove The Heat Sink

    Remove the heat sink Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 “Remove the battery pack” on page 33 Step 1. Remove the 6 screws. Figure 11. Remove the 6 screws Screw specifications Number of screws Color...

  • Page 43: Remove The Power Board

    Remove the power board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 32 “Remove the battery pack” on page 33 “Remove the heat sink” on page 36 Step 1. Detach the power board connector from the system board. Figure 13.

  • Page 44: Remove The Wi-Fi Card

    Step 3. Remove the power board. Figure 15. Remove the power board Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: Power board Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case”...
  • Page 45 Step 1. Detach the main and auxiliary antenna connectors. Figure 16. Detach the connectors Step 2. Remove 1 screw. Figure 17. Remove 1 screw Screw specifications Number of screws Color M2.0 x 2.5 Black Chapter 4 Removing a FRU or CRU...

  • Page 46: Remove The Ssd Card

    Step 3. Remove the Wi-Fi card by pulling it away from the slot. Figure 18. Remove the Wi-Fi card Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: Wi-Fi card Remove the SSD card Make sure the following FRUs (or CRUs) have been removed.

  • Page 47: Remove The Speakers

    Step 2. Remove the SSD card by pulling it away from the slot. Figure 20. Remove the SSD card Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: SSD card Remove the speakers Make sure the following FRUs (CRUs) have been removed.
  • Page 48 Step 2. Peel off two acetate fabric tapes. Figure 22. Peel off the acetate fabric tapes Step 3. Fold the keyboard cable upwards to release the speaker cables. Figure 23. Fold the keyboard cable upwards Step 4. Remove the speakers. Figure 24.

  • Page 49: Remove The Upper Case (With Keyboard)

    Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: speakers Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 32 “Remove the battery pack”...

  • Page 50: Remove The System Board

    Screw specifications Number of screws Color M2.5 x 4.0 Silver Step 3. Open the hinges. Figure 27. Open the hinges Step 4. Remove the upper case in the arrow direction shown below. Figure 28. Remove the upper case Attention: Do not pull out the upper case before detaching the EDP cable connector. Otherwise the cable may be damaged.
  • Page 51 “Remove the Wi-Fi card” on page 38 “Remove the SSD card” on page 40 Step 1. Detach the 6 connectors from the system board as follows: • power board connector • EDP cable connector • speaker connector • keyboard connector •...
  • Page 52 Step 2. Remove the 4 screws that secure the two hinges to the upper case. Figure 30. Remove the 4 screws Screw specifications Number of screws Color M2.5 x 4.0 Silver Step 3. Open the 2 hinges. Figure 31. Open the hinges Hardware Maintenance Manual...
  • Page 53 Step 4. Remove the 10 screws that secure the two I/O brackets and system board. Figure 32. Remove the 10 screws Screw specifications Position Number of screws Color M2.0 x 5.0 Brackets (left and right) Silver M2.0 x 2.5 System board Black Step 5.

  • Page 54: Remove The Touchpad Assembly

    Figure 34. Remove the system board Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: System board I/O brackets Remove the touchpad assembly Make sure the following FRUs (or CRUs) have been removed: “Remove the lower case”...
  • Page 55 Figure 36. Fold the keyboard cable upwards Step 3. Peel off the conductive tape. Figure 37. Peel off the conductive tape Step 4. Remove the 5 screws. Figure 38. Remove the 5 screws Screw specifications Position Number of screws Color M2.0 x 2.0 Touchpad Silver...

  • Page 56: Disassemble The Lcd Module

    Step 5. Remove the touchpad bracket. Figure 39. Remove the touchpad bracket Step 6. Remove the touchpad. Figure 40. Remove the touchpad Refer to “Major FRUs and CRUs” on page 26 to look up details about the following replacement part: touchpad assembly conductive tape Disassemble the LCD module...
  • Page 57 Step 1. Insert a pry piece under the lower inner side of the LCD bezel and then carefully pull the LCD bezel outwards. Repeat this action along the inner edges of the LCD bezel until all hooks that secure the LCD bezel are detached.
  • Page 58 Step 3. Remove the 6 screws. Figure 43. Remove the 6 screws Screw specifications Number of screws Color M2.5 x 2.2 Black Step 4. Remove the left and right hinges. Figure 44. Remove the hinges Step 5. Pull out two removable tapes on the left and right. Hardware Maintenance Manual...

  • Page 59: Remove The Camera Board

    Figure 45. Pull out two removable tapes Step 6. Carefully lift the LCD panel, detach the EDP cable connector from the panel, and then remove the LCD panel. Figure 46. Detach the EDP cable connector and remove the LCD panel Refer to “LCD FRUs and CRUs”...
  • Page 60 “Remove the LCD panel” on page 50 Step 1. Detach the camera connector. Figure 47. Detach the camera connector Step 2. Release the EDP cable. Then, remove the EDP cable and camera board. Figure 48. Remove the EDP cable and camera board CAUTION: The camera board is fragile and easily bent.

  • Page 61: Appendix A. Features And Connectors

    Appendix A. Features and connectors 3 1 2 Figure 49. Lenovo 14w features and connectors Table 4. Features and connectors Feature or connector Camera light Camera Microphones USB-C™ connector / Power connector USB 3.0 connector Audio connector microSD card slot...
  • Page 62 Hardware Maintenance Manual...

  • Page 63: Appendix B. Label Locations

    66 mm x 26.5 mm Indonesia postel label Indonesia 15 mm x 10 mm Malaysia 10 mm x 10 mm Malaysia SLP BIS logo label India 18 mm x 18 mm Morocco ANRT label Morocco 45 mm x 10 mm © Copyright Lenovo 2019...
  • Page 64 Hardware Maintenance Manual...

  • Page 65: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. Wi-Fi is registered trademark of Wi-Fi Alliance. USB-C is a trademark of USB Implementers Forum. All other trademarks are the property of their respective owners. © 2019 Lenovo.

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