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

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ThinkPad Yoga 11e Chromebook 4th Gen
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Summary of Contents for Lenovo ThinkPad 11e Chromebook

  • Page 1 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 4 Appendix A “Notices” on page 75. First Edition (May 2017) © Copyright Lenovo 2017. 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 5: Table Of Contents

    ....Appendix B. Abbreviation table ..77 Front view ....© Copyright Lenovo 2017...
  • Page 6 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 7: About This Manual

    About this manual ® This manual contains service and reference information for the following ThinkPad products. ThinkPad 11e Chromebook 3rd Gen Machine types (MT) 20GD and 20GF ® ThinkPad Yoga 11e Chromebook 3rd Gen Machine types (MT) 20GC and 20GE Use this manual along with the advanced diagnostic tests to troubleshoot problems.
  • Page 8 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 9: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2017...

  • Page 10: Safety Inspection Guide

    If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 11: 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 12: Grounding Requirements

    • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 13 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 14 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 15 PERIGO PERIGO Chapter 1 Safety information...
  • Page 16 PERIGO PERIGO PERIGO PERIGO PERIGO ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 17 PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 18 DANGER DANGER DANGER DANGER VORSICHT ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 19 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 20 VORSICHT VORSICHT VORSICHT ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 27 Chapter 1 Safety information...
  • Page 28 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 29: 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 30: 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 31: Undetermined Problems

    USB device and then format it. 2. Download the latest version of the repair shim image from the Lenovo Support Web site at: . A Lenovo service credential is required.

  • Page 32: Disabling And Enabling The Hardware Write-Protect Function

    5. When the recovery mode screen is displayed, connect the repair shim to an available USB connector of the computer. The repair shim will update the firmware and image automatically. When prompted, type ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 33 “I” and press enter to start the update process. When the update process finishes, the computer restarts. When the developer mode screen is displayed, remove the repair shim, and then press the power button or power key to shut down the computer. Then disconnect the ac power adapter. Note: The update process starts automatically, and takes less than 10 minutes.

  • Page 34: Factory Test Items

    Whatever causes the first error code may also cause false error codes. If no error code is displayed, see whether the error symptom is listed in the Symptom-to-FRU Index for the computer you are servicing. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 35: Strategy For Replacing Frus For Cto, Special-Bid, And Standard Models

    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 36 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 37: Chapter 3. General Checkout

    • “Power system checkout” on page 30 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 38: Power System Checkout

    Note: Output voltage of pin 2 of the ac power adapter might differ from the one you are servicing. 3. If the voltage is not correct, replace the ac power adapter. 4. If the voltage is acceptable, replace the system board. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 39: 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 40 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 41: Chapter 4. Function Keys

    Increases the volume. Locks the computer screen. This key is available on computer models with a multi-touch screen. Turns on the computer. This key is available on computer models without a multi-touch screen. Searches applications and the Web. © Copyright Lenovo 2017...
  • Page 42 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 43: Chapter 5. 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 ThinkPad 11e Chromebook 4th Gen Microphone Camera-in-use indicator Camera...
  • Page 44 Solid on: The computer is on (in normal use). Blinks for three times: The computer is initially connected to power. Blinks slowly: The computer is in sleep mode. Off: The computer is off. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 45: Left-Side View

    Left-side view System-status indicator Wireless-status indicator Audio connector microSD card slot USB-C connector : The illuminated dot in the ThinkPad logo works as a system-status indicator. Solid on: The computer is on (in normal use). Blinks for three times: The computer is initially connected to power. Blinks slowly: The computer is in sleep mode.

  • Page 46: Bottom View

    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 47: Major Frus

    Major FRUs Chapter 5 Locations...
  • Page 48 Speaker assembly Wireless LAN card USB bracket System board Battery Base cover assembly Hall sensor card audio card ac power adapter Power cord Miscellaneous parts kits ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 49: Lcd Frus

    LCD FRUs For models without touch panel: FRU descriptions Self-service CRU Optional-service LCD bezel assembly Camera/microphone card LCD panel without touch function Hinges Chapter 5 Locations...
  • Page 50 Self-service CRU Optional-service LCD rear cover assembly LCD cable Mylar screw caps (see “Miscellaneous parts” on page 44) Hinge rubbers (see “Miscellaneous parts” on page 44) ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 51 For models with touch panel: FRU descriptions Self-service CRU Optional-service LCD panel with touch function LCD panel bracket Sensor card Camera/microphone card Hinges Chapter 5 Locations...

  • Page 52: Miscellaneous Parts

    Insert the microSD card into this slot. Audio card connector (internal) Audio cable Connect one end to the audio card and the other end to this connector. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 53 Table 3. System board connector and cable guide (continued) Item Internal cable required Connector (location) Cable connection Hall sensor card connector Hall sensor cable Connect one end to the hall sensor (internal) card and the other end to this connector. Built-in battery cable The built-in battery cable comes Built-in-battery connector (internal)
  • Page 54 Wireless-LAN antenna kit Connect one end of the black (internal) wireless-LAN antenna to the LCD rear cover assembly, and the other end to this connector. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 55 Sensor card connector and cable (available on computer models with a touch panel) Table 7. Sensor card connector guide Ite- Connector (location) Internal cable required Cable connection Sensor card connector (internal) Camera cable Connect one end to the camera/ microphone card, another end to the system board, and a third end to this connector.

  • Page 56: Looking Up Fru Information

    Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 57: Chapter 6. Fru Replacement Notices

    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 58: Hardware Identity

    Use the repair shim before replacing any non-CRUs. The following is the list of CRUs for your Chromebook: • ac power adapter • Power cord • Bottom cover ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 59 For CRU definition, see “Locating FRUs and CRUs” on page 38. For information about how to use the repair shim, see “Recovering the Chrome operating system with the repair shim and diagnosing problems” on page 24. Chapter 6 FRU replacement notices...
  • Page 60 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 61: Chapter 7. Removing Or Replacing A Fru

    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 62: Disabling The Battery

    The battery is disabled. Wait several minutes to let the computer cool. 1010 Base cover assembly Removal steps of the base cover assembly ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 63: 1020 Battery

    Brazil ANATEL 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. For access, remove this FRU: •...
  • Page 64 Step Screw (quantity) Color Torque 0.181 Nm M2 × L4 mm, flat-head, nylon-coated (2) Silver (1.85 kgf-cm) ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 65: 1030 Wireless Lan Card

    1030 Wireless LAN card Removal steps of the wireless LAN card Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L3 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) When installing: • Attach the gray cable to the connector marked “MAIN” on the card, and attach the black cable to the connector marked “AUX”.
  • Page 66 Removal steps of the audio card Torque Step Screw (quantity) Color M2 × L4 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Removal steps of the speaker ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 67 Removal steps of the hall sensor card Torque Step Screw (quantity) Color M2 × L3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Chapter 7 Removing or replacing a FRU...

  • Page 68: 1050 System Board Assembly

    Attention: The microprocessor soldered on the top side of the system board is extremely sensitive. When you service the system board, avoid any kind of rough handling. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 69 Removal steps of the system board assembly Chapter 7 Removing or replacing a FRU...

  • Page 70: 1060 Keyboard Bezel Assembly And Lcd Unit

    Screw (quantity) Color Torque M2.5 × L6.5 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) When installing: Ensure that the connectors are attached firmly. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 71: 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 Base cover assembly” on page 54 •...

  • Page 72: 2020 Lcd Panel And Lcd Cable

    Removal steps of LCD panel and LCD cable Torque Step Screw (quantity) Color M1.7 x L3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 73: 2030 Camera/Microphone Board

    When installing: Ensure that the LCD connector is attached firmly. 2030 Camera/microphone board For access, remove these FRUs in order: • “1010 Base cover assembly” on page 54 • “1020 Battery” on page 55 • “1030 Wireless LAN card” on page 57 •...

  • Page 74: 2040 Hinges

    • “2010 LCD bezel assembly” on page 63 • “2020 LCD panel and LCD cable” on page 64 • “2030 Camera/microphone board” on page 65 Removal steps of the hinges ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 75 Step Screw (quantity) Color Torque M2.5 × L3.5 mm, flat-head, nylon-coated (8) Black 0.294 Nm (3.0 kgf-cm) Chapter 7 Removing or replacing a FRU...

  • Page 76: Removing An Lcd Fru For Models With Touch Panel

    Removal steps of the LCD panel assembly and LCD cable Step Screw cap Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 77 When installing: Ensure that the connectors are attached firmly. Chapter 7 Removing or replacing a FRU...

  • Page 78: 3020 Camera/Microphone Card And Sensor Card

    • “1060 Keyboard bezel assembly and LCD unit” on page 62 • “3010 LCD panel assembly, LCD cable, and LCD panel brackets” on page 68 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 79 Removal steps of the camera/microphone card When installing: Ensure that the connector is attached firmly. Removal steps of the sensor card Chapter 7 Removing or replacing a FRU...

  • Page 80: 3030 Hinges

    • “1060 Keyboard bezel assembly and LCD unit” on page 62 • “3010 LCD panel assembly, LCD cable, and LCD panel brackets” on page 68 • “3020 Camera/microphone card and sensor card” on page 70 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 81 Removal steps of the hinges Step Screw (quantity) Color Torque M2.5 × L3.5 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) Chapter 7 Removing or replacing a FRU...
  • Page 82 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 83: 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 84: Electronic Emissions Notices

    ThinkPad logo Yoga USB-C is a trademark of USB Implementers Forum. Other company, product, or service names may be the trademarks or service marks of others. ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...

  • Page 85: Appendix B. Abbreviation Table

    Field Replaceable Unit HDMI High-definition multimedia interface Integrated circuits International Standardization Organization Local area network Liquid Crystal Display Machine type Machine type and model Personal Computer POST Power-on self-test Radio frequency TFTs Thin-film transistors Universal Serial Bus © Copyright Lenovo 2017...
  • Page 86 ThinkPad 11e Chromebook 4th Gen and ThinkPad Yoga 11e Chromebook 4th Gen Hardware Maintenance Manual...
  • Page 88 Part Number: SP40G76329 Printed in (1P) P/N: SP40G76329 *1PSP40G76329*...

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