Lenovo ThinkPad 11e Chromebook Hardware Maintenance Manual
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Lenovo ThinkPad 11e Chromebook Hardware Maintenance Manual

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Hardware Maintenance Manual
ThinkPad 11e Chromebook and ThinkPad Yoga 11e Chromebook

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Summary of Contents for Lenovo ThinkPad 11e Chromebook

  • Page 1 Hardware Maintenance Manual ThinkPad 11e Chromebook and ThinkPad Yoga 11e Chromebook...
  • Page 2 Appendix A “Notices” on page 75. First Edition (May 2014) © Copyright Lenovo 2014. 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

    Trademarks ....Bottom view ....Locating FRUs and CRUs ..© Copyright Lenovo 2014...
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    About this manual ® This manual contains service and reference information for the following ThinkPad products. ThinkPad 11e Chromebook Machine types (MT) 20DB and 20DU ® and ThinkPad Yoga Chromebook Use this manual along with the advanced diagnostic tests to troubleshoot problems.
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2014...

  • Page 8: Safety Inspection Guide

    • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. •...

  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    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. Go to: http://www.lenovo.com/serviceparts-lookup c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries.

  • Page 10: Grounding Requirements

    – When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use coax or connector-outside shells on these systems. – Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function.
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT 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. Important Service Information

    Lenovo Support Center are available at: http://www.lenovo.com/support/phone • Service training documents for Lenovo authorized service technicians are available at the following Web site. The disassembly and reassembly videos that show the FRU removal and replacement procedures are contained in the documents.

  • Page 26: Lcd-Related Symptoms

    • This policy applies to all ThinkPad notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects.

  • Page 27: Undetermined Problems

    1. Run the diagnostic test for the system board in loop mode at least 10 times. 2. If no error is detected, do not replace any FRUs. 3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no more errors exist.

  • Page 28: Creating The Repair Shim

    2. Download latest version of the repair shim image from the Lenovo Support Web site at: http://www.lenovo.com/support to create a repair shim. A Lenovo service credential is required.

  • Page 29: Using The Repair Shim

    8. After you have removed the write-protect screw, reassemble the computer. Reconnect the ac power adapter and all cables. 9. To turn on the write-protect function, follow the previous steps to locate the hole for the write-protect screw and reinstall the screw. Then reassemble your computer and reconnect the cables. Using the repair shim To use the repair shim that you have created, do the following: 1.

  • Page 30: Factory Test Items

    5. The Stress test will run for 10 minutes and then the Final Assembly Test and Pack (FATP) section will start. This section includes the independent tests for each component. Follow the instructions on the screen to start the tests. For information about the factory test items, see “Factory test items” on page 24. 6.

  • Page 31: Strategy For Replacing Frus

    Dynamic configure-to-order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web Site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.

  • Page 32: Fru Identification

    20A70009UK). FRU identification Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at an MT - serial number level. Examples of major FRUs are solid-state drive, system board, and liquid crystal display (LCD).

  • Page 33: Chapter 3. General Checkout

    “Power system checkout” on page 28 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 34: Power System Checkout

    The following are not covered under warranty: • 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 35: Checking The Battery And Operational Charging

    Checking the battery and operational charging Checking the battery This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems.
  • Page 36 Hardware Maintenance Manual...

  • Page 37: Chapter 4. Locations

    This chapter introduces the locations of the hardware components on your computer. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front view Front view of the ThinkPad 11e Chromebook Microphone Camera-in-use indicator Camera Speakers HDMI™...
  • Page 38 Off: The computer is off. Front view of the ThinkPad Yoga 11e Chromebook Microphone Camera-in-use indicator Camera Speakers Security-lock slot HDMI™ connector USB 3.0 connector Volume-control buttons Power button System-status indicator Touch pad Multi-touch screen Note: The multi-touch screen is only available on ThinkPad Yoga 11e Chromebook. : The illuminated dot in the ThinkPad logo works as a system-status indicator.

  • Page 39: Left-Side View

    Left-side view System-status indicator Wireless-status indicator Media card slot Audio connector Always On USB connector (USB 2.0 connector) Power connector : The illuminated dot in the ThinkPad logo works as a system-status indicator. Blinks for three times: The computer is initially connected to power. On: The computer is on (in normal mode).

  • Page 40: Locating Frus And Crus

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the 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.

  • Page 41: Major Frus

    Major FRUs Chapter 4 Locations...
  • Page 42 FRU descriptions CRU ID LCD unit (see “LCD FRUs” on page 37) Keyboard Speaker assembly Keyboard bezel assembly Thermal fan System board assembly Hard disk drive bracket (available on ThinkPad Yoga 11e Chromebook only) Base cover assembly Bottom cover Battery Wireless LAN card Bracket for the USB connector (see “Miscellaneous parts and other FRUs”...

  • Page 43: Lcd Frus

    LCD FRUs For models without touch panel: FRU descriptions CRU ID LCD bezel Mylar screw caps (see “Miscellaneous parts and other FRUs” on page 40) Camera/microphone board LCD panel without touch function Hinges Chapter 4 Locations...
  • Page 44 FRU descriptions CRU ID Antenna kit LED cable assembly LCD rear cover assembly LCD cable Hinge rubbers (see “Miscellaneous parts and other FRUs” on page 40) Hardware Maintenance Manual...
  • Page 45 For models with touch panel: FRU descriptions CRU ID LCD panel assembly with touch function Mylar screw caps (see “Miscellaneous parts and other FRUs” on page 40) Sensor board Camera/microphone board Hinges Hinge rubbers (see “Miscellaneous parts and other FRUs” on page 40) Chapter 4 Locations...

  • Page 46: Miscellaneous Parts And Other Frus

    • Hinge rubbers for touch model • Hinge rubbers for non-touch model Other FRUs FRU descriptions CRU ID ac power adapter Power cord Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to http://www.lenovo.com/serviceparts-lookup. Hardware Maintenance Manual...

  • Page 47: Chapter 5. Fru Replacement Notices

    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 48: Hardware Identity

    Tighten screws as follows: • Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part. 90 degrees more (Cross-section) • Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card. 180 degrees more (Cross-section) Notes:...
  • Page 49 For CRU definition, see “Locating FRUs and CRUs” on page 34. For information about how to use the repair shim, see “Using the repair shim” on page 23. Chapter 5 FRU replacement notices...
  • Page 50 Hardware Maintenance Manual...

  • Page 51: Chapter 6. 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 is available for downloading at http://www.lenovo.com/support.

  • Page 52: Disabling The Built-In Battery

    Attention: The system board is sensitive to, and can be damaged by, electrostatic discharge (ESD). Before touching it, establish personal grounding by touching a ground point with one hand or by using an ESD strap. Disabling the built-in battery Before replacing any FRU, ensure that you have disabled the built-in battery by doing the following: Note: Follow the instructions on the screen in addition to the instructions in this topic.

  • Page 53: 1020 Battery

    FCC/IC label 1020 Battery Important notices for replacing a battery Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. Chapter 6 Removing or replacing a FRU...
  • Page 54 For access, remove this FRU: • “1010 Bottom cover” on page 46 Removal steps of the battery DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. Step Screw (quantity) Color Torque M2 × L4 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm)

  • Page 55: 1030 Hard Disk Drive Bracket

    1030 Hard disk drive bracket Note: The hard disk drive bracket is only available on the ThinkPad Yoga 11e Chromebook. For access, remove this FRU: • “1010 Bottom cover” on page 46 Removal steps of the hard disk drive bracket Chapter 6 Removing or replacing a FRU...

  • Page 56: 1040 Wireless Lan Card

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L4 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) When installing: Ensure that the hard disk drive bracket is firmly attached. 1040 Wireless LAN card For access, remove this FRU: • “1010 Bottom cover” on page 46 Removal steps of the wireless LAN card Step Screw (quantity)

  • Page 57: 1050 Keyboard

    When installing: Attach the gray cable to the connector marked “MAIN” on the card, and attach the black cable to the connector marked “AUX”. 1050 Keyboard For access, remove this FRU: • “1010 Bottom cover” on page 46 Removal steps of the keyboard Step Screw (quantity) Color...

  • Page 58: 1060 Keyboard Bezel Assembly, Speaker Assembly, Media-Card-Reader Board

    When installing: Ensure that the connector is attached firmly. 1060 Keyboard bezel assembly, speaker assembly, media-card-reader board For access, remove these FRUs in order: • “1010 Bottom cover” on page 46 • “1020 Battery” on page 47 • “1030 Hard disk drive bracket” on page 49 •...
  • Page 59 Removal steps of the keyboard bezel assembly Torque Step Screw cap Screw (quantity) Color M2 × L4 mm, flat-head shoulder, Black 0.181 Nm nylon-coated (2) (1.85 kgf-cm) Step Screw (quantity) Color Torque Black 0.294 Nm M2.5 × L8 mm, flat-head, nylon-coated (4) (3.0 kgf-cm) M2 ×...
  • Page 60 Step Screw (quantity) Color Torque M2 × L4 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Hardware Maintenance Manual...
  • Page 61 When installing: Ensure that the connectors are attached firmly. Removal steps of the speaker assembly Torque Step Screw (quantity) Color M2 × L3 mm, flat-head shoulder, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Chapter 6 Removing or replacing a FRU...
  • Page 62 Removal steps of the media-card-reader board Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L3 mm, flat-head, nylon-coated (2) (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. Hardware Maintenance Manual...

  • Page 63: 1070 Bracket For Dummy Ethernet Connector, Bracket For Usb Connector, Bracket For Dc-In Connector, Dc-In Connector, System Board Assembly, And Thermal Fan

    1070 Bracket for dummy Ethernet connector, bracket for USB connector, bracket for dc-in connector, dc-in connector, system board assembly, and thermal fan Important notices for handling the system board When handling the system board, read the following: • The system board has an accelerometer, which can be broken when several thousands of G-forces are applied.
  • Page 64 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L4 mm, flat-head, nylon-coated (2) (1.85 kgf-cm) M2 × L5 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Hardware Maintenance Manual...
  • Page 65 Chapter 6 Removing or replacing a FRU...

  • Page 66: 1080 Lcd Unit

    When installing: Ensure that the connectors are attached firmly. 1080 LCD unit For access, remove these FRUs in order: • “1010 Bottom cover” on page 46 • “1020 Battery” on page 47 • “1030 Hard disk drive bracket” on page 49 •...
  • Page 67 Removal steps of the LCD unit Torque Step Screw (quantity) Color M2.5 × L5 mm, flat-head, nylon-coated (5) Black 0.294 Nm (3.0 kgf-cm) Chapter 6 Removing or replacing a FRU...

  • Page 68: Removing An Lcd Fru For Models Without Touch Panel

    Removing an LCD FRU for models without touch panel This section provides instructions on how to remove an LCD FRU for models without touch panel. 2010 LCD bezel assembly For access, remove these FRUs in order: • “1010 Bottom cover” on page 46 •...

  • Page 69: 2020 Lcd Panel

    Step Screw cap Screw (quantity) Color Torque Black 0.294 Nm M2.5 × L5 mm, flat-head, nylon-coated (2) (3.0 kgf-cm) When installing: Ensure that all the latches are attached firmly. 2020 LCD panel For access, remove these FRUs in order: • “1010 Bottom cover”...

  • Page 70: 2030 Camera/Microphone Board

    Removal steps of LCD panel Step Screw (quantity) Color Torque M1.7 x L3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the LCD connector is attached firmly. 2030 Camera/microphone board For access, remove these FRUs in order: •...

  • Page 71: 2040 Antenna Kit, Hinges, Lcd Cable, And Led Cable Assembly

    • “1060 Keyboard bezel assembly, speaker assembly, media-card-reader board” on page 52 • “1070 Bracket for dummy Ethernet connector, bracket for USB connector, bracket for dc-in connector, dc-in connector, system board assembly, and thermal fan” on page 57 • “1080 LCD unit” on page 60 •...

  • Page 72: Removal Steps: Antenna Kit/Hinges/Lcd Cable

    Removal steps of the antenna kit, hinges, and LCD cable Step Screw (quantity) Color Torque Black 0.294 Nm M2.5 × L3 mm, big-head, nylon-coated (6) (3.0 kgf-cm) Hardware Maintenance Manual...
  • Page 73 When installing: When you install the wireless antenna kit, route the cables as shown in the following illustration. As 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. Chapter 6 Removing or replacing a FRU...

  • Page 74: Removing An Lcd Fru For Models With Touch Panel

    WLAN main antenna (gray) WLAN auxiliary antenna (black) Removal step of the LED cable assembly Removing an LCD FRU for models with touch panel This section provides instructions on how to remove an LCD FRU for models with touch panel. 3010 LCD panel assembly For access, remove these FRUs in order: •...
  • Page 75 • “1070 Bracket for dummy Ethernet connector, bracket for USB connector, bracket for dc-in connector, dc-in connector, system board assembly, and thermal fan” on page 57 • “1080 LCD unit” on page 60 Removal steps of the LCD panel assembly Step Screw cap Screw (quantity)

  • Page 76: 3020 Camera/Microphone Board And Sensor Board

    When installing: Ensure that the connectors are attached firmly. 3020 Camera/microphone board and sensor board For access, remove these FRUs in order: • “1010 Bottom cover” on page 46 • “1020 Battery” on page 47 • “1030 Hard disk drive bracket” on page 49 •...

  • Page 77: 3030 Antenna Kit, Hinges, Lcd Cable, And Led Cable Assembly

    Removal steps of the camera/microphone board When installing: Ensure that the connector is attached firmly. Removal steps of the sensor board When installing: Ensure that the connector is attached firmly. 3030 Antenna kit, hinges, LCD cable, and LED cable assembly For access, remove these FRUs in order: •...
  • Page 78 • “1030 Hard disk drive bracket” on page 49 • “1040 Wireless LAN card” on page 50 • “1050 Keyboard” on page 51 • “1060 Keyboard bezel assembly, speaker assembly, media-card-reader board” on page 52 • “1070 Bracket for dummy Ethernet connector, bracket for USB connector, bracket for dc-in connector, dc-in connector, system board assembly, and thermal fan”...
  • Page 79 When installing: When you install the wireless antenna kit, route the cables as shown in the following illustration. As 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. Chapter 6 Removing or replacing a FRU...
  • Page 80 WLAN main antenna (gray) WLAN auxiliary antenna (black) Removal step of the LED cable assembly Hardware Maintenance Manual...

  • Page 81: 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 82: Electronic Emissions Notices

    For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. EU Contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkPad ThinkPad logo Yoga Chrome OS and Chromebook are trademarks of Google Inc.
  • Page 84 Part Number: SP40A26992 Printed in (1P) P/N: SP40A26992 *1PSP40A26992*...

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