Lenovo ThinkPad X131e Chromebook Hardware Maintenance Manual
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Lenovo ThinkPad X131e Chromebook Hardware Maintenance Manual

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Hardware Maintenance Manual
ThinkPad X131e Chromebook

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Summary of Contents for Lenovo ThinkPad X131e Chromebook

  • Page 1 Hardware Maintenance Manual ThinkPad X131e Chromebook...
  • Page 2 Appendix A “Notices” on page 61. Second Edition (June 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

  • Page 3: Table Of Contents

    Appendix B. Abbreviation table ..63 Front view....Rear view ....© Copyright Lenovo 2013...
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    ® This manual contains service and reference information for the following ThinkPad products. ThinkPad X131e Chromebook Machine type (MT) 6283 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products.
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. Electrical safety Observe the following rules when working on electrical equipment. © Copyright Lenovo 2013...
  • Page 8 Important: • Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. • Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.

  • Page 9: Safety Inspection Guide

    0.1 ohm or less between the external ground pin and the frame ground. b. The power cord should be the authorized type specified for your computer on the Web page http://www.lenovo.com/serviceparts-lookup. c. Insulation must not be frayed or worn.

  • Page 10: Grounding Requirements

    When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap.
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...

  • Page 13: Chapter 2. General Checkout

    “Power system checkout” on page 8 Be sure to read the following important notes. Important: • Only certified trained personnel should service the computer. Personnel repairing the Lenovo Chromebook computer must have completed the certification course number RTPW1170 or CTPi217.

  • Page 14: Power System 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 •...

  • Page 15: Checking Operational Charging

    Note: Noise from the ac adapter does not always indicate a defect. Checking operational charging To check whether the battery pack charges properly during operation, do the following: Note: Before you begin, install a discharged battery pack or a battery pack that has less than 50% of the total power remaining in the computer.
  • Page 16 Hardware Maintenance Manual...

  • Page 17: Chapter 3. Important Service Information

    ® • Advise customers to contact the Lenovo Customer Support Center if they need any assistance. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System disassembly and reassembly videos that show the FRU removal or replacement procedures for the Lenovo authorized service technicians are available at: http://www.lenovoservicetraining.com/ion/...

  • Page 18: Lcd-Related Symptoms

    LCD technology, but excessive pixel problems can cause viewing concerns. If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced. Notes: •...

  • Page 19: Overview Of The Chromebook Usb Repair Shim

    For CRU definition, see “Locating FRUs and CRUs” on page 24. Creating the repair shim Lenovo service technicians need to download the repair shim image from the Lenovo Support Web site to create a repair shim. A Lenovo service credential is required to download the image.

  • Page 20: Setting The Write-Protect Switch

    Attention: Creating the repair shim will delete all data stored on the USB device. To avoid data loss, make a backup copy of all the data that you want to keep. 1. Download the latest version of the repair shim image from the Lenovo Support Web site at: http://www.lenovo.com/support 2.

  • Page 21: Using The Repair Shim

    7. After you have flipped the write-protect switch, reassemble the computer. Reinstall the battery back and reconnect the ac power adapter and all cables. Using the repair shim This section provides instructions on how to use the repair shim you have created. To use the repair shim, do the following: 1.

  • Page 22: Factory Test Items

    Note: It is not necessary to turn off the write-protect function again if additional components need to be replaced. 11. Run the Google Required Test (GRT) and the Hardware Identity (HWID) Test. If the tests finish successfully, the system will automatically restart and enter the Chrome OS operating system. Notes: •...

  • Page 23: Strategies For Replacing Frus

    FRU identification for GAV products Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for GAV products at an MT - serial number level. Examples of major FRUs are hard disk drive, system board, liquid crystal display (LCD), and memory module.
  • Page 24 Hardware Maintenance Manual...

  • Page 25: Chapter 4. Status Indicators

    • Slow blinking red: The computer is in sleep mode. • Off: The computer is off. Wireless status • Green: The wireless features, such as wireless LAN, Bluetooth, and wireless WAN, indicator are enabled. • Off: The wireless features are disabled. © Copyright Lenovo 2013...
  • Page 26 Hardware Maintenance Manual...

  • Page 27: Chapter 5. Special Keys

    By default, this key is set to provide the function of a Ctrl key. However, you can customize it as desired. To customize this key, click the status area in the lower-right corner of the screen, and then go to Settings ➙ Device ➙ Keyboard settings. Opens help information for the keyboard. © Copyright Lenovo 2013...
  • Page 28 Hardware Maintenance Manual...

  • Page 29: Chapter 6. Locations

    TrackPoint pointing stick ® USB 2.0 connector UltraNav pointing device HDMI connector Microphone Media card reader slot Power button System status indicator : For more information, see Chapter 4 “Status indicators” on page 19. © Copyright Lenovo 2013...

  • Page 30: Rear View

    Rear view System status indicator USB 3.0 connectors Wireless status indicator Fan louver Combo audio connector Video graphics array (VGA) connector RJ45 Ethernet connector : For more information, see Chapter 4 “Status indicators” on page 19. Bottom view Battery pack Bottom slot cover Battery pack latches Speaker...
  • Page 31 CRU, 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 http://www.lenovo.com/support.

  • Page 32: Major Frus And Crus

    Major FRUs and CRUs Table 3. Major FRUs and CRUs FRU description Self-service CRU Optional-service LCD unit (See “LCD FRUs and CRUs” on page 28.) Keyboard bezel assembly Hardware Maintenance Manual...
  • Page 33 Table 3. Major FRUs and CRUs (continued) FRU description Self-service CRU Optional-service I/O board Battery Base cover assembly DC-in cable assembly Hard disk drive or solid state drive (on some models) Hard disk drive bracket (on some models) Bottom slot cover PCI Express Mini Card for wireless LAN PCI Express Mini Card for wireless WAN (on some models) mSATA solid-state drive (on some models)

  • Page 34: Lcd Frus And Crus

    LCD FRUs and CRUs Table 4. LCD FRUs and CRUs FRU description Self-service CRU Optional-service LCD screw caps LCD bezel assembly Camera Antenna kit Hinges LCD rear cover assembly Hardware Maintenance Manual...

  • Page 35: Miscellaneous Kits And Other Parts

    Table 4. LCD FRUs and CRUs (continued) FRU description Self-service CRU Optional-service Camera cable LCD cable LCD panel Miscellaneous kits and other parts Table 5. Miscellaneous kits FRU descriptions Self-service CRU Optional service LCD cover miscellaneous kit • LCD bracket •...
  • Page 36 Table 6. Other parts Descriptions Self-service CRU Optional service ac power adapter Power cord Hardware Maintenance Manual...

  • Page 37: Chapter 7. Removing Or Replacing A Fru

    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 http://www.lenovo.com/support.

  • Page 38: Screw Notices

    Do the following when you service this machine: • Keep the screw kit in your tool bag. For the part number of the screw kit, go to http://www.lenovo.com/serviceparts-lookup. • It is recommended to use new screws. • It is recommended to use each screw only once.

  • Page 39: Prerequisite For Replacing A Fru

    If unauthorized parts are installed, you might not get the correct auto-updates for your computer, or you might not recover your computer successfully to the factory default settings. For example, if you install a different model of the wireless LAN card, which is not the required configuration, the HWID will not match. HWID is checked by using the repair shim.

  • Page 40: 1020 Bottom Slot Cover

    When installing: Ensure that the battery latch is in the locked position. 1020 Bottom slot cover For access, remove this FRU: • “1010 Battery pack” on page 33 Removal steps of bottom slot cover Note: Loosen the screws , but do not remove them. Hardware Maintenance Manual...

  • Page 41: 1030 Memory Modules

    1030 Memory modules For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 Removal steps of memory modules When installing: Note: If only one memory module is to be installed on the computer you are servicing, installed it in SLOT , not in SLOT Insert the notched end of the memory module into the slot.

  • Page 42: 1040 Pci Express Mini Card For Wireless Lan

    1040 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 Removal steps of PCI Express Mini Card for wireless LAN In step , unplug the connectors by using the removal tool antenna RF connector.

  • Page 43: 1050 Msata Solid-State Drive

    When installing: Plug the black cable into the main connector, and the gray cable into the auxiliary connector. 1050 mSATA solid-state drive For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 Removal steps of mSATA solid-state drive The computer comes with either a PCI Express Mini Card for wireless WAN or an mSATA solid-state drive.

  • Page 44: 1060 Pci Express Mini Card For Wireless Wan

    1060 PCI Express Mini Card for wireless WAN For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 Removal steps of PCI Express Mini Card for wireless WAN In step , unplug the connectors by using the removal tool antenna RF connector or pick the connectors with your fingers and gently unplug them in the direction of the arrows.

  • Page 45: 1070 Hard Disk Drive Or Solid-State Drive Assembly

    When installing: Plug the red cable into the main connector, and the blue cable into the auxiliary connector. 1070 Hard disk drive or solid-state drive assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 33 •...

  • Page 46: 1080 Hard Disk Drive Bracket

    When installing: Ensure that the hard disk drive or solid-state drive assembly is attached firmly. Removal steps of the hard disk drive or solid-state drive bracket Torque Step Screw (quantity) Color M3 × 3.5 mm, wafer-head, nylon-coated (2) Silver 0.392 Nm (4 kgf-cm) 1080 Hard disk drive bracket For access, remove these FRUs in order:...

  • Page 47: 1090 Keyboard

    Removal steps of hard disk drive bracket Step Screw (quantity) Color Torque M2 × 5 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the hard disk drive bracket is attached firmly. 1090 Keyboard For access, remove these FRUs in order: •...
  • Page 48 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 8 mm, wafer-head, nylon-coated (2) (1.85 kgf-cm) Hardware Maintenance Manual...
  • Page 49 Installation steps of keyboard To install the keyboard, do the following: 1. Attach the connectors. 2. Attach the keyboard and ensure that the hooks on the front edge of the keyboard are under the frame. 3. When the front edge of the keyboard is housed firmly, gently press the keys with your fingers and slide the keyboard toward you until the keyboard is in place.

  • Page 50: 1110 Keyboard Bezel Assembly

    4. Secure the keyboard by tightening the screws from the bottom side of the computer. 1110 Keyboard bezel assembly For access, remove these FRUs in order: Note: Depending on your model type, your computer might not have all the FRUs that are listed. •...
  • Page 51 Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6 mm, wafer-head, nylon-coated (2) (4 kgf-cm) M2 × 8 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. Step Screw (quantity) Color Torque Black...

  • Page 52: 1120 Microphone

    When installing: Ensure that all the projections of the keyboard bezel assembly are attached firmly to the guide holes of the base cover. 1120 Microphone For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover”...

  • Page 53: 1130 Speaker Assembly

    1130 Speaker assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 • “1090 Keyboard” on page 41 • “1110 Keyboard bezel assembly” on page 44 Removal steps of speaker assembly Chapter 7 Removing or replacing a FRU...

  • Page 54: 1140 I/O Board

    Step Screw (quantity) Color Torque M2 × 5.5 mm, shoulder screw, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: Attach the speaker assembly and route the cable as shown in the following illustration, and ensure that the speaker connector is attached firmly. 1140 I/O board For access, remove these FRUs in order: •...

  • Page 55: 1150 Crt Board Assembly (With Cable)

    When installing: Ensure that the connector is attached firmly. 1150 CRT board assembly (with cable) For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 • “1090 Keyboard” on page 41 •...
  • Page 56 • Avoid rough handling of any kind. • Avoid bending a system board and hard pushing to prevent cracking at each BGA (Ball Grid Array) chipset. • At every point in the process, be sure not to drop or stack the system board. •...
  • Page 57 Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. Removal steps of thermal fan assembly Loosen the screws in ascending alphabetic order as illustrated, but do not remove them. Chapter 7 Removing or replacing a FRU...

  • Page 58: 1170 Dc-In Cable And Base Cover Assembly

    When installing: Ensure that the connectors are attached firmly. 1170 DC-in cable and base cover assembly For access, remove these FRUs in order: Note: Depending on your model type, your computer might not have all the FRUs that are listed. •...

  • Page 59: 2010 Lcd Unit

    Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds, including but not limited to those described in this topic. The following illustration shows the correct location of each label. When you replace the base cover, apply the following labels: GEO label Dummy label...
  • Page 60 Removal steps of LCD unit In step , release the antenna cables from the cable guides. When installing: • Ensure that the cables are attached to the cable guides firmly. • When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

  • Page 61: 2020 Lcd Bezel Assembly

    2020 LCD bezel assembly For access, remove these FRUs in order: Note: Depending on your model type, your computer might not have all the FRUs that are listed. • “1010 Battery pack” on page 33 • “1020 Bottom slot cover” on page 34 •...

  • Page 62: 2030 Lcd Panel, Lcd Cable, And Hinges

    Step Screw cap Screw (quantity) Color Torque Black 0.181 Nm M2 × 5 mm, wafer-head, nylon-coated (4) (1.85 kgf-cm) When installing: Ensure that all the latches are attached firmly. Then secure the bezel with the screws. 2030 LCD panel, LCD cable, and hinges For access, remove these FRUs in order: Note: Depending on your model type, your computer might not have all the FRUs that are listed.

  • Page 63: 2040 Camera And Camera Cable

    Step Screw (quantity) Color Torque 0.181 Nm M1.7 × 3 mm, wafer-head, nylon-coated (4) Silver (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. Removal steps of hinges Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 5 mm, wafer-head, nylon-coated (2) (1.85 kgf-cm) 2040 Camera and camera cable For access, remove these FRUs in order:...

  • Page 64: 2050 Antenna Kit And Lcd Rear Cover Assembly

    • “2020 LCD bezel assembly” on page 55 • “2030 LCD panel, LCD cable, and hinges” on page 56 Removal steps of camera and camera cable 2050 Antenna kit and LCD rear cover assembly For access, remove these FRUs in order: Note: Depending on your model type, your computer might not have all the FRUs that are listed.
  • Page 65 • “1020 Bottom slot cover” on page 34 • “1040 PCI Express Mini Card for wireless LAN” on page 36 • “1050 mSATA solid-state drive” on page 37 • “1060 PCI Express Mini Card for wireless WAN” on page 38 •...
  • Page 66 Wireless LAN AUX antenna (black) Wireless WAN AUX antenna (blue, on some models) Wireless WAN MAIN antenna (red, on some models) Wireless LAN MAIN antenna (gray) Hardware Maintenance Manual...

  • Page 67: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 68: Electronic Emission Notices

    Electronic emission notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkPad TrackPoint UltraNav Chromebook and Chrome OS are trademarks of Google Inc.

  • Page 69: Appendix B. Abbreviation Table

    Extensible Firmware Interface Electrostatic discharge Flexible printed circuits Field Replaceable Unit Google Required Test HWID Hardware Identity Integrated circuits Liquid Crystal Display Machine type and model POST Power-on self-test RFID Radio-frequency identification Read-Only Memory Vital Product Data © Copyright Lenovo 2013...
  • Page 70 Hardware Maintenance Manual...
  • Page 72 Part Number: 0C10473_01 (1P) P/N: 0C10473_01 *1P0C10473_01*...

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