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Lenovo ThinkPad Helix 20CG Hardware Maintenance Manual
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Lenovo ThinkPad Helix 20CG Hardware Maintenance Manual

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ThinkPad Helix Hardware Maintenance Manual
Machine Type: 20CG and 20CH

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  • Page 1 ThinkPad Helix Hardware Maintenance Manual Machine Type: 20CG and 20CH...
  • Page 2 Appendix A “Notices” on page 77. First Edition (November 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

    Checkout guide ....Disabling the built-in battery ..Lenovo Solution Center ..Removing the SIM card, SD card, and smart Quick test programs.
  • Page 4 1180 Rear-facing camera module ..Electronic emission notices..1190 Wireless-WAN antenna assembly ..Trademarks ....1200 Wireless-LAN antenna assembly .

  • Page 5: About This Manual

    • Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 19. © Copyright Lenovo 2014...
  • Page 6 ThinkPad Helix Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. • Reinstall other parts that you have removed. Electrical safety Observe the following rules when working on electrical equipment. © Copyright Lenovo 2014...
  • 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

    Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service technicians from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-ThinkPad features or options not covered by this inspection guide.

  • Page 10: Grounding Requirements

    1. Use product-specific ESD procedures when they exceed the requirements noted here. 2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER ThinkPad Helix Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO ThinkPad Helix Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER VORSICHT VORSICHT ThinkPad Helix Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT ThinkPad Helix Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkPad Helix Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad Helix Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad Helix Hardware Maintenance Manual...

  • Page 25: Chapter 2. Important Service Information

    Support Web site at http://www.lenovo.com/support. The customers can view the software fixes, download the drivers, and see the instructions for installing the drivers. For additional assistance, customers might call the Lenovo Customer Support Center. Telephone numbers for the Lenovo Support Center are available at: http://www.lenovo.com/support/phone...

  • Page 26: How To Use Error Message

    Dynamic Configure To Order (CTO) 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 27 1. Go to http://support.lenovo.com. 2. Follow the instructions on the screen to select a product. 3. Tap the Product & Parts tab. 4. Select System Service Parts to view a general FRU list. Chapter 2 Important service information...
  • Page 28 ThinkPad Helix Hardware Maintenance Manual...

  • Page 29: Chapter 3. General Checkout

    This chapter introduces following information: • “What to do first” on page 23 • “Checkout guide” on page 24 – “Lenovo Solution Center” on page 24 – “Quick test programs” on page 24 – “UEFI diagnostic program” on page 25 –...

  • Page 30: Checkout Guide

    Lenovo Solution Center program installed. Lenovo provides the following quick test programs: • Lenovo Hard Drive Quick Test: Use this program to troubleshoot and resolve internal storage problems. • Lenovo Memory Quick Test: Use this program to troubleshoot and resolve memory module problems.

  • Page 31: Uefi Diagnostic Program

    If the tablet you are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic programs enable you to test tablet memory and internal storage devices, view system information, and check and recover the internal storage devices.

  • Page 32: Power System Checkout

    “Checking the ac power adapter” on page 27 Checking the built-in battery and operational charging This tablet 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 33: Checking The Coin-Cell Battery

    • If the tablet cannot be turned on, replace the built-in battery with another one. If the tablet can start up with the new battery installed, it means that the original battery fails. Checking the coin-cell battery To check the coin-cell battery, do the following: 1.
  • Page 34 ThinkPad Helix Hardware Maintenance Manual...

  • Page 35: Chapter 4. Related Service Information

    Note: The rest of the recovery process is fully automated and no action from you is required. The tablet will restart several times and you might experience periods when no activity is apparent on the screen for several minutes at a time. This is normal. © Copyright Lenovo 2014...

  • Page 36: Recovery Overview

    Recovery overview The Windows recovery programs enable you to refresh your tablet, reset your tablet to the factory default settings, or start the tablet from an external device. The Windows recovery programs are preinstalled in the recovery partition on the main storage drive of your tablet.

  • Page 37: Using The Advanced Startup Options

    Using the advanced startup options With the advanced startup options, you can change the firmware settings of the tablet, change the startup settings of the Windows operating system, start the tablet from an external device, or restore the Windows operating system from a system image. To use the advanced startup options, do the following: 1.

  • Page 38: Passwords

    • To delete the recovery partition on your tablet, tap Delete the recovery partition. Attention: If you delete the recovery partition on your tablet, do keep a recovery USB drive in a safe place. The Windows recovery programs will not be stored in your tablet anymore, and you can only use the recovery USB drive to refresh or reset your tablet.

  • Page 39: Supervisor Password

    1. Restart the tablet. When the logo screen is displayed, tap To interrupt normal startup, press Enter or tap here on the screen. 2. Tap F1 on the screen to start the ThinkPad Tablet Setup program. When prompted, enter the supervisor password.

  • Page 40: Error Codes

    • “Undetermined problems” on page 35 The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.”...

  • Page 41: Intermittent Problems

    UEFI BIOS and by the operating system or applications. This error occurs when the operating system If this error happens at a service center, Lenovo authorized or applications store large amounts of data in the variable service personnel will clean up the non-volatile system storage.
  • Page 42 Verify that all attached devices are supported by the tablet. Verify that the power supply being used at the time of the failure is operating correctly. See “Power system checkout” on page 26. 1. Turn off the tablet. 2. Visually check each FRU for damage. Replace any damaged FRU. 3.

  • Page 43: Chapter 5. Locations

    NFC touchpoint (on some models) Windows Start screen control Screen-rotation-lock button Power button Audio connector Volume-control buttons Micro-SIM-card slot (on some models) Micro-SD-card slot USB 3.0 connector Micro HDMI™connector Keyboard connector Dock connector Power connector Emergency-reset hole © Copyright Lenovo 2014...

  • Page 44: 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 45: Major Frus

    – Self-service CRUs: Examples of these types of CRUs include the ac power adapter and power cord. Major FRUs Self-service CRU Optional-service CRU LCD module Wireless-WAN antenna assembly M.2 solid-state drive Wireless WAN card NFC-card cable NFC card Chapter 5 Locations...

  • Page 46: Miscellaneous Kits And Other Parts

    Self-service CRU Optional-service CRU Fingerprint-reader module USB-connector bracket Built-in battery I/O card Speakers Smart-card reader Smart-card-reader cable Power-button and screen-rotation-lock button Back cover assembly LCD cable I/O-card cable dc-in cable dc-in-cable bracket Thermal module Coin-cell battery Digitizer cable System board Wireless-LAN antenna assembly Rear-facing camera module Front-facing camera module...

  • Page 47: Looking Up Fru Information

    Descriptions Self-service CRU Optional-service CRU ThinkPad USB 3.0 Ethernet Adapter (on some models) Lenovo Micro HDMI To VGA Adapter (on some models) ThinkPad Helix Ultrabook™ Keyboard (on some models) Tablet Digitizer Pen (on some models) Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to http://www.lenovo.com/serviceparts-lookup.
  • Page 48 ThinkPad Helix Hardware Maintenance Manual...

  • Page 49: Chapter 6. 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 50: Retaining Serial Numbers

    • Ensure that torque screwdrivers are calibrated correctly following country specifications. Retaining serial numbers Instructions for retaining serial numbers, MTM, UUID, or asset ID can be found from the Lenovo Support Web site at: http://www.lenovo.com/support ThinkPad Helix Hardware Maintenance Manual...

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

  • Page 52: Before Servicing The Tablet

    Before servicing the tablet Before you service this tablet, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card”...
  • Page 53 Removal steps of the SD card Chapter 7 Removing or replacing a FRU...

  • Page 54: 1010 Back Cover Assembly, Smart-Card Reader, And Smart-Card-Reader Cable

    Removal step of the smart card 1010 Back cover assembly, smart-card reader, and smart-card-reader cable Before you replace the back cover assembly, smart-card reader, or smart-card-reader cable, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2.
  • Page 55 Chapter 7 Removing or replacing a FRU...
  • Page 56 If the tablet you are servicing does not have the smart-card-reader cable, skip step and step ThinkPad Helix Hardware Maintenance Manual...
  • Page 57 Note: Do not close the connector flip before connecting the cable. When connecting the cable, ensure that the connector is attached firmly. Removal steps of the smart-card reader and smart-card-reader cable The smart-card reader and smart-card-reader cable are only available on some models. Torque Step Screw (quantity)

  • Page 58: 1020 Power-Button And Screen-Rotation-Lock Button

    Applying labels to the back cover assembly: The new back cover assembly is shipped with a kit containing labels of several kinds. Apply those labels when you replace the back cover assembly. For the labels that are not shipped with the new back cover assembly, peel them off from the old back cover assembly, and then adhere them to the new one.

  • Page 59: 1030 Built-In Battery

    1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card” on page 46. 3. Remove the back cover assembly. See “1010 Back cover assembly, smart-card reader, and smart-card-reader cable”...

  • Page 60: 1040 Wireless Wan Card

    Note: Do not close the connector flips before connecting the cables. When connecting the cables, ensure that the connectors are attached firmly. Step Screw (quantity) Color Torque Black 0.196 Nm M2 × 2 mm, flat-head, nylon-coated (4) (2 kgf-cm) M2 × 4.5 mm, flat-head, nylon-coated (1) Black 0.196 Nm (2 kgf-cm)
  • Page 61 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card” on page 46. 3. Remove the back cover assembly. See “1010 Back cover assembly, smart-card reader, and smart-card-reader cable” on page 48. 4.

  • Page 62: 1050 M.2 Solid-State Drive And Solid-State-Drive Mylar

    1050 M.2 solid-state drive and solid-state-drive mylar Before you replace the M.2 solid-state drive or solid-state-drive mylar, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card”...

  • Page 63: 1060 Fingerprint-Reader Module

    Step Screw (quantity) Color Torque 0.196 Nm M2 × 2 mm, flat-head, nylon-coated (1) Silver (2 kgf-cm) 1060 Fingerprint-reader module Before you replace the fingerprint-reader module, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2.

  • Page 64: 1070 Lcd Cable

    Note: Do not close the connector flip before connecting the cable. When connecting the cable, ensure that the connector is attached firmly. 1070 LCD cable Before you replace the LCD cable, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2.

  • Page 65: 1080 Digitizer Cable

    Removal steps of the LCD cable Note: Do not close the connector flips before connecting the cable. When connecting the cable, ensure that the connectors are attached firmly. 1080 Digitizer cable Before you replace the digitizer cable, do the following: 1.

  • Page 66: 1090 Coin-Cell Battery

    Removal steps of the digitizer cable The digitizer cable is only available on some models. Note: Do not close the connector flips before connecting the cable. When connecting the cable, ensure that the connectors are attached firmly. 1090 Coin-cell battery Before you replace the coin-cell battery, do the following: 1.

  • Page 67: 1100 Nfc Card And Nfc-Card Cable

    Removal steps of the coin-cell battery DANGER Use only the authorized battery specified for your tablet. Any other battery could ignite or explode. When installing: Ensure that the connector is attached firmly. After you install the coin-cell battery, reset the system date and time in the ThinkPad Tablet Setup program.
  • Page 68 Removal steps of the NFC card and NFC-card cable The NFC card and NFC-card cable are only available on some models. Note: Do not close the connector flips before connecting the cables. When connecting the cables, ensure that the connectors are attached firmly. ThinkPad Helix Hardware Maintenance Manual...

  • Page 69: 1110 Front-Facing Camera Module And Front-Facing-Camera-Module Cable

    1110 Front-facing camera module and front-facing-camera-module cable Before you replace the front-facing camera module or front-facing-camera-module cable, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card”...

  • Page 70: 1120 Dc-In Cable And Dc-In-Cable Bracket

    Removal steps of the front-facing camera module and front-facing-camera-module cable When installing: Ensure that the connectors are attached firmly. Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (1) Silver 0.196 Nm (2 kgf-cm) 1120 dc-in cable and dc-in-cable bracket Before you replace the dc-in cable and dc-in-cable bracket, do the following: 1.

  • Page 71: 1130 Thermal Module

    3. Remove the back cover assembly. See “1010 Back cover assembly, smart-card reader, and smart-card-reader cable” on page 48. 4. Disconnect the cable of the built-in battery. Removal steps of the dc-in cable and dc-in-cable bracket When installing: Ensure that the connector is attached firmly. 1130 Thermal module Before you replace the thermal module, do the following: 1.
  • Page 72 3. Remove the back cover assembly. See “1010 Back cover assembly, smart-card reader, and smart-card-reader cable” on page 48. 4. Disconnect the cable of the built-in battery. Removal steps of the thermal module Loosen the screws in ascending alphabetical order as shown in the following illustration. ThinkPad Helix Hardware Maintenance Manual...

  • Page 73: 1140 Usb-Connector Bracket

    When installing: Before you install the thermal module, apply 0.2-gram thermal grease on part as shown in the following illustration. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. 1140 USB-connector bracket Before you replace the USB-connector bracket, do the following: 1.

  • Page 74: 1150 Speakers

    Removal steps of the USB-connector bracket Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (2) Silver 0.196 Nm (2 kgf-cm) M2 × 4.5 mm, flat-head, nylon-coated (1) Black 0.196 Nm (2 kgf-cm) 1150 Speakers Before you replace the speakers, do the following: 1.

  • Page 75: 1160 I/O Card And I/O-Card Cable

    5. Remove the USB-connector bracket. See “1140 USB-connector bracket” on page 67 Removal steps of the speakers When installing: Ensure that the connectors are attached firmly. Torque Step Screw (quantity) Color M2 × 4.5 mm, flat-head, nylon-coated (3) Black 0.196 Nm (2 kgf-cm) 1160 I/O card and I/O-card cable The I/O card integrates the connectors of the speakers, dock, and keyboard.
  • Page 76 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card” on page 46. 3. Remove the back cover assembly. See “1010 Back cover assembly, smart-card reader, and smart-card-reader cable” on page 48. 4.

  • Page 77: 1170 System Board

    Step Screw (quantity) Color Torque Black 0.196 Nm M2 × 4.5 mm, flat-head, nylon-coated (4) (2 kgf-cm) Note: Do not close the connector flip before connecting the cable. When connecting the cable, ensure that the connector is attached firmly. 1170 System board Before you replace the system board, do the following: 1.
  • Page 78 Note: Do not close the connector flips before connecting the cables. When connecting the cables, ensure that the connectors are attached firmly. Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (5) Silver 0.196 Nm (2 kgf-cm) If the system board is replaced with a new one, after installing all other parts, initialize the settings on the new system board.

  • Page 79: 1180 Rear-Facing Camera Module

    1180 Rear-facing camera module Before you replace the rear-facing camera module, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card”...
  • Page 80 • “1130 Thermal module” on page 65 • “1140 USB-connector bracket” on page 67 • “1170 System board” on page 71 Removal steps of the wireless-WAN antenna assembly The wireless-WAN antenna assembly is only available on some models. Attention: When installing the antenna assembly, route the cables as shown in the following illustration. Ensure that the cables are not twisted or subject to any tension.

  • Page 81: 1200 Wireless-Lan Antenna Assembly

    1200 Wireless-LAN antenna assembly Before you replace the system board, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card”...

  • Page 82: 1210 Lcd Module

    Wireless-LAN antenna (Main) Wireless-LAN antenna (Auxiliary) 1210 LCD module To replace the LCD module, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 46. 2. Remove the SIM card, SD card, and smart card. See “Removing the SIM card, SD card, and smart card”...

  • 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 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 Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies.

  • Page 85: Appendix B. Abbreviation And Acronym Table

    ICCID integrate circuit card identity International Standardization Organization local area network liquid crystal display media access control machine type machine type and model personal computer Platform Controller Hub POST power-on self-test random-access memory © Copyright Lenovo 2014...
  • Page 86 Abbreviation Term radio frequency RFID radio-frequency identification ring indicator registered jack SATA Serial Advanced Technology Attachment subscriber identity module supervisor password TFTs thin-film transistors UEFI Unified Extensible Firmware Interface Universal Serial Bus UUID universally unique identifier video graphics array VRAM video random-access memory ThinkPad Helix Hardware Maintenance Manual...
  • Page 88 Part Number: SP40G54974 Printed in China (1P) P/N: SP40G54974 *1PSP40G54974*...

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