This manual contains service and reference information for the following ThinkPad products. Machine Machine type (MT) ThinkPad X1 Tablet Gen 3 20KJ and 20KK Important: • This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Page 6
X1 Tablet Gen 3 Hardware Maintenance Manual...
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.
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.
Notes: 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. •...
. 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: https://pcsupport.lenovo.com/supportphonelist...
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 29
To get the general FRU list for a product, do the following: 1. Go to https://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.
Page 30
X1 Tablet Gen 3 Hardware Maintenance Manual...
This chapter introduces following information: • “What to do first” on page 25 • “Checkout guide” on page 26 – “Lenovo Companion” on page 26 – “Quick test programs” on page 26 – “UEFI diagnostic program” on page 27 – “Bootable diagnostic programs” on page 27 •...
It combines diagnostic tests, system information collection, security status, and support information, along with hints and tips for optimal system performance. To run the Lenovo Companion program, open the Start menu and click Lenovo Companion, and then follow the instructions on the screen.
If the computer 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 computer memory and internal storage devices, view system information, and check and recover the internal storage devices.
This computer 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. If an unauthorized battery or a battery designed for another system is installed, the system will not charge.
Checking the ac power adapter ThinkPad X1 Tablet Gen 3 supports the Lenovo USB-C 45W or 65W AC Adapter and Power Cord. When the adapter is connected to the computer, the output voltage at the adapter plug rises from 0 V (when not connected) to 5 V.
Page 36
X1 Tablet Gen 3 Hardware Maintenance Manual...
Chapter 4. Related service information This chapter presents the following information: • “Windows recovery apps” on page 31 • “Lenovo factory recovery USB key” on page 32 • “Using passwords” on page 33 • “Symptom-to-FRU index” on page 33 Windows recovery apps The Windows recovery apps enable you to reset your computer or use advanced startup options.
To use the Lenovo factory recovery USB key, do the following: Note: Ensure that your computer is connected to ac power during the following process. 1. Turn off the computer, wait for about five seconds, and then connect the Lenovo factory recovery USB key to your computer.
Using passwords You can set a supervisor password to prevent your computer from unauthorized use. The supervisor password protects the system information stored in the ThinkPad Tablet Setup program. It provides the following security features: • If only a supervisor password is set, a password prompt is displayed when you try to start the ThinkPad Tablet Setup program.
Note: For a device not supported by diagnostic codes in the ThinkPad computers, see the manual for that device. Error codes Table 2. Error codes Symptom or error FRU or action, in sequence 0177 Replace the system board. Have the computer serviced. Bad SVP data, stop POST task—The checksum of the supervisor password in the EEPROM is not correct.
UEFI variable storage. Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology, do the following: 1.
Error codes Solutions 0001: Reset error (platform reset not de-asserted) 1. Remove all power resources (the ac power adapter and coin-cell battery). If your computer has a built- in battery, reset the computer by inserting a straightened paper clip into the emergency-reset hole.
Page 43
Verify that the power supply being used at the time of the failure is operating correctly. See “Power system checkout” on page 28. 1. Turn off the computer. 2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a.
Page 44
X1 Tablet Gen 3 Hardware Maintenance Manual...
Page 46
You are responsible for evaluating, selecting, and implementing the locking device and security feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. Cable locks for your product are available from Lenovo at https://www.lenovoquickpick.com/...
Rear view Emergency-reset hole: If your computer stops responding, remove the ac power adapter first, and then insert a straightened paper clip into the emergency-reset hole to reset the computer. System-status indicators: The indicator in the ThinkPad logo and the indicator in the power button show the system status of the computer.
Page 48
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 50
Thermal module Speaker assembly NFC card NFC antenna assembly Pogo card with cable Built-in battery System board Rear-facing camera module ac power adapter (45W or 65W) Power cord Lenovo factory recovery USB key X1 Tablet Gen 3 Hardware Maintenance Manual...
Available on some models Connector and cable guide This topic provides information to help Lenovo authorized service technicians identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs” on page 43.
Page 52
Table 4. System board connector and cable guide Item Internal cable required Connector (location) Cable connection Rear-facing camera module Rear-facing camera module cable The rear-facing camera module connector (internal) comes with a cable. Connect the cable to this connector. P-sensor connector (internal) P-sensor cable The wireless-WAN antenna assembly comes with cables.
Page 53
Table 4. System board connector and cable guide (continued) Item Internal cable required Connector (location) Cable connection Audio card connector (internal) Audio-card cable The audio card comes with a cable. Connect the cable to this connector. Speaker connector (internal) Speaker assembly cable The speaker assembly comes with a cable.
Page 54
Front-facing camera module connector and cable Table 6. Front-facing camera module connector and cable guide Item Connector (location) Internal cable required Cable connection Front-facing camera connector Front-facing camera cable Connect one end to the front- (internal) facing camera module connector on the system board and the other end to this connector.
Page 55
Table 9. Volume control board connector and cable guide Item Internal cable required Connector (location) Cable connection Volume control board connector Volume control board cable Connect one end to the volume (internal) control board connector on the system board and the other end to this connector.
Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to https://support.lenovo.com/partslookup X1 Tablet Gen 3 Hardware Maintenance Manual...
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 .
• 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: https://support.lenovo.com X1 Tablet Gen 3 Hardware Maintenance Manual...
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 https:// support.lenovo.com...
Before servicing the computer Before you service this computer, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the nano-SIM-card and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. Disabling the built-in battery Before replacing any FRU, ensure that you disable Fast Startup first and then disable the built-in battery.
Removal steps of the nano-SIM-card Removal steps of the microSD card 1010 Back cover assembly and LCD module Before you replace the back cover assembly and LCD module, do the following: Note: The back cover assembly cannot be replaced until all other FRUs installed on it are removed. 1.
Page 62
Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (6) Black 0.181 Nm (1.85 kgf-cm) X1 Tablet Gen 3 Hardware Maintenance Manual...
Page 63
Step Screw (quantity) Color Torque M1.4 × L3.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Chapter 7 Removing or replacing a FRU...
Page 64
X1 Tablet Gen 3 Hardware Maintenance Manual...
Page 66
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.
Asset tag Asset tag_40Y917Y MCMC label (for Malaysia) Postel label (for Indonesia and Malaysia) Indonesia Rating label (for Indonesia) ICASA label for WLAN and Bluetooth (for South Africa) ISRAEL label (for Israel) Argentina adapter label Korean NFC label India BIS label Labels behind the kickstand: S/N label System label (GEO label)
Page 68
1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. 3.
1030 Built-in battery Before you replace the built-in battery, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. 3.
When installing: You need four new battery tapes (product part number: 01AY273) to stick the new built-in battery to the back cover assembly. You can purchase the battery tapes as a separate FRU at: https:// support.lenovo.com/partslookup 1040 LCD and touch controller card cable Before you replace the LCD and touch controller card cable, do the following: 1.
1050 POGO card and POGO-card cable Before you replace the LCD and touch controller card cable, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card”...
Step Screw (quantity) Color Torque M1.6 × L2.5 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Note: Do not close the connector flip before connecting the cable. When connecting the cable, ensure that the connector is attached firmly. 1060 Hall sensor cable Before you replace the hall sensor cable, do the following: 1.
Removal steps of the hall sensor cable Note: Do not close the connector flips before connecting the cable. When connecting the cable, ensure that the connector is attached firmly. 1070 Volume control board and cable Before you replace the volume control board and cable, do the following: 1.
Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L2.5 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) 1080 Audio card bracket, audio card, and audio-card cable Before you replace the audio card bracket, audio card, and audio-card cable, do the following: 1.
Removal steps of the audio card bracket, audio card, and audio-card cable Step Screw (quantity) Color Torque M2 × L2.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Note: Do not close the connector flips before connecting the cable. When connecting the cable, ensure that the connector is attached firmly.
Page 76
2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card, and kickstand. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 3. Remove the following FRUs: • “1010 Back cover assembly and LCD module” on page 55 •...
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. 1110 Coin-cell battery Before you replace the coin-cell battery, do the following: 1.
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. 1120 Fingerprint reader and cable Before you replace the touch controller card cable, do the following: 1.
1130 Power board and cable with Think LED light Before you replace the power board and cable with Think LED light, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card”...
1140 Wireless-WAN card Before you replace the wireless-WAN card, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. 3.
2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. 3. Remove the following FRUs: • “1010 Back cover assembly and LCD module” on page 55 •...
2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. 3. Remove the following FRUs: • “1010 Back cover assembly and LCD module” on page 55 •...
Page 83
• “1090 Thermal module” on page 69 Removal steps of the front-facing camera module, infrared camera module, and camera cable Notes: • The infrared camera module and infrared camera cable are only available on some models. • Do not close the connector flips before connecting the cable. When connecting the cable, ensure that the connector is attached firmly.
When installing: Ensure that the connector is attached firmly. 1180 NFC card, NFC-card cable, and NFC antenna assembly Before you replace the near field communication (NFC) card, NFC-card cable, or NFC antenna assembly, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2.
1190 System board Before you replace the system board, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card” on page 54. 3.
Page 86
Attention: The microprocessor soldered on the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling. Removal steps of the system board CAUTION: 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 87
After the system board is replaced with a new one, initialize the settings on the new system board by doing the following: 1. Restart the computer. When the logo screen is displayed, tap To interrupt normal startup, press Enter or tap here on the screen. 2.
1210 Rear-facing camera module and camera cable Before you replace the rear-facing camera module and camera cable, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2. Remove the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card. See “Removing the Nano-SIM-card and microSD card tray, nano-SIM-card, and microSD card”...
Page 89
Removal steps of the antenna kit Note: 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. Tension could cause the cables to be damaged by cable guides.
Wireless-LAN antenna (Auxiliary) Wireless-WAN antenna (Auxiliary) Wireless-LAN antenna (Main) Available on some models 1230 Kickstand and hinges Before you replace the kickstand and hinges, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 54. 2.
Page 91
Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (6) Black 0.181 Nm (1.85 kgf-cm) Chapter 7 Removing or replacing a FRU...
Page 92
Removal steps of the hinges Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (6) Sliver 0.181 Nm (1.85 kgf-cm) X1 Tablet Gen 3 Hardware Maintenance Manual...
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.
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 Lenovo logo ThinkPad ThinkPad logo Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the U.S.
Page 98
Abbreviation Term POST power-on self-test random-access memory 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...
Page 100
Part Number: SP40M12229 Printed in China (1P) P/N: SP40M12229 *1PSP40M12229*...