Page 2 - under Appendix A “Notices” on page 103.
Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 103. First Edition (July 2011) © Copyright Lenovo 2011. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Admin...
Page 3 - Contents; iii
Contents About this manual. . . . . . . . . . . iii Chapter 1. Safety information . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3 Handling devices that are sensitive to electrostaticdisch...
Page 4 - ii
2050 Wireless LAN antenna assembly, wirelessWAN antenna assembly, and LCD rear coverassembly . . . . . . . . . . . . . . . . . 76 Chapter 9. Locations . . . . . . . . . 79 Front view . . . . . . . . . . . . . . . . 79 Rear view . . . . . . . . . . . . . . . . . 80 Bottom view . . . . . . . . . . . ....
Page 5 - About this manual
About this manual This manual contains service and reference information for the following ThinkPad ® products. ThinkPad X121e Machine types (MT) 3045, 3048, 3049, 3051, 3053, 3055 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended o...
Page 6 - iv
Page 7 - Chapter 1. Safety information; General safety; you think is too heavy for you.
Chapter 1. Safety information This chapter presents following safety information that you need to be familiar with before you servicea ThinkPad Notebook.• “General safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 • “Handling devices that are sensitive to electr...
Page 8 - Electrical safety; exposed
Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft materialthat does not insulate you when working with live electrical currents.Many customers have, near their eq...
Page 10 - Grounding requirements; DANGER
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. • Avoid contact with other people. • Wear a grounded wrist strap against your s...
Page 25 - Chapter 2. Important service information; Strategy for replacing FRUs; Before replacing parts:
Chapter 2. Important service information This chapter presents following important service information that applies to all machine types supported bythis manual:• “Strategy for replacing FRUs” on page 19 – “Strategy for replacing a hard disk drive” on page 20 – “Important notice for replacing a syst...
Page 26 - When handling a system board:; How to use error message
• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error. Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.Replace only the FRU that changed the symptoms. Attention: The setup configuration on the compu...
Page 27 - custom models and are not found in the HMM.; FRU identification for CTO, CMV, and GAV products; Using PEW; • PEW can be accessed at the following Web site:; Using eSupport
• The PEW record is the 4-digit MT and 3-digit model, where model = “CTO” (Example: 1829-CTO). • eSupport will show both the CTO and CMV machine type models (Example: 1829-CTO and 1829-W15 will be found on the eSupport site.) • The HMM will have the 4-digit MT and 3-digit CTO model only (Example: 18...
Page 29 - Chapter 3. General checkout; What to do first
Chapter 3. General checkout This chapter presents following information:• “What to do first” on page 23 • “Checkout guide” on page 24 – “Diagnostics using PC-Doctor for DOS” on page 24 – “Lenovo ThinkVantage Toolbox” on page 26 – “FRU tests” on page 27 • “Power system checkout” on page 28 The descri...
Page 30 - The following are not covered under warranty:; or the insertion of a diskette with multiple labels; Checkout guide; Identify the failing symptoms in as much detail as possible.; Diagnostics using PC-Doctor for DOS; PC-Doctor for DOS is available at the following Web site:
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 b...
Page 31 - Testing the computer; Press cursor keys to select; ATAPI CDx; Follow the instructions on the screen.; Diagnostics; Instead of pressing Enter, click the left button.
Note: When you initialize the computer configuration, some devices are disabled, such as the serial port. If you test one of these devices, you will need to enable it by using Configuration utility for DOS. The utility isavailable on the following Web site: http://www.lenovo.com/support Testing the ...
Page 32 - Detecting system information with PC-Doctor; PC-Doctor can detect the following system information:; Hardware Info; Lenovo ThinkVantage Toolbox; Lenovo ThinkVantage
Diagnostics Interactive Tests • Run Normal Test• Run Quick Test• CPU/Coprocessor• System Memory• Systemboard• Video Adapter• Fixed Disks• Diskette Drives• Other Devices• Communication• Wireless LAN • Keyboard• Video• Internal Speaker• Mouse• Diskette• System Load• Optical Drive Test• Intel ® WLAN Ra...
Page 33 - FRU tests; The following table shows the test for each FRU.
Note: To install the latest Lenovo ThinkVantage Toolbox on the computer, go to http://web.lenovothinkvantagetoolbox.com/ click Download Lenovo ThinkVantage Toolbox , and then follow the instructions on the Web site. To run this program, do as follows: Windows 7: Click Start ➙ Control Panel ➙ System ...
Page 34 - Power system checkout
Table 1. FRU tests (continued) FRU Applicable test TrackPoint or pointingdevice If the TrackPoint does not work, check the configuration as specified in the ThinkPadSetup. If the TrackPoint is disabled, select Automatic to enable it. After you use the TrackPoint, the pointer may drift on the screen ...
Page 35 - Checking operational charging; To check the battery pack, do the following:
Note: Output voltage of pin no.2 of the ac power adapter may different from the one you are servicing. 3. If the voltage is not correct, replace the ac power adapter.4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “FRU tests” on page 27...
Page 36 - Checking the backup battery; Power off the computer, and unplug the ac power adapter from it.; • If the voltage is correct, replace the system board.
4. If the voltage is more than +11.0 V dc, measure the resistance between battery terminals 5 and 7. The resistance must be 4 to 30 K Ω. If the resistance is not correct, replace the battery pack. If theresistance is correct, replace the system board. Checking the backup battery Do the following: 1....
Page 37 - Chapter 4. Related service information; Restoring the factory contents by using Recovery Disc Set; Supplemental Recovery Disc
Chapter 4. Related service information This chapter presents following information:• “Restoring the factory contents by using Recovery Disc Set” on page 31 • “Passwords” on page 32 • “Power management” on page 34 • “Symptom-to-FRU index” on page 35 Service Web site: When the latest maintenance diske...
Page 38 - Passwords
2. Insert the Operating System Recovery Disc into the DVD drive. 3. Press F10 to save the ThinkPad Setup configuration changes. Follow the instructions on the screen to begin the recovery process. 4. Select your language and click Next . 5. Read the license. If you agree with the terms and condition...
Page 41 - Hibernation mode
• The time set on the resume timer elapses. Note: The computer does not accept any input immediately after it enters sleep (standby) mode. Wait a few seconds before taking any action to reenter operation mode. Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM...
Page 42 - Numeric error codes
Note: For a device not supported by diagnostic codes in the ThinkPad Notebooks, see the manual for that device. Numeric error codes Table 2. Numeric error codes Symptom or error FRU or action, in sequence 0177 Bad SVP data, stop POST task-The checksum of thesupervisor password in the EEPROM is not c...
Page 43 - Error messages; Beep symptoms
Error messages Table 3. Error messages Symptom or error (beeps, if any) FRU or action, in sequence Fan error. 1. Fan . 2. Thermal grease.3. System board. Thermal sensing error. System board . This system does not support batteries that are notgenuine Lenovo-made or authorized. This system willcontin...
Page 44 - replacement LCD will have zero pixel defects.; Intermittent problems; When analyzing an intermittent problem, do the following:; at least 10 times
Table 5. No-beep symptoms (continued) Symptom or error FRU or action, in sequence The power-on password prompt appears. A power-on password or a supervisor password is set.Type the password and press Enter . The hard-disk password prompt appears. A hard-disk password is set. Type the password andpre...
Page 45 - Undetermined problems; Verify that all attached devices are supported by the computer.
Undetermined problems If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are installed,or if the system simply is not operating, follow these procedures to isolate the failing FRU (do not isolateFRUs that have no defects). Verify that all attached device...
Page 47 - Chapter 5. Status indicators
Chapter 5. Status indicators This chapter presents the system status indicators that show the status of the computer. 1 2 3 Table 7. Status indicators Indicator Meaning 1 Caps lock When the Caps Lock mode is enabled, the Caps Lock indicator is displayed on thescreen. You can enter all alphabetic cha...
Page 49 - Chapter 6. Fn key combinations
Chapter 6. Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 8. Fn key combinations Key combination Description Fn+Esc Speaker mute If you mute the sound and then turn off your computer, the sound will remain muted whenyou turn on your co...
Page 51 - Chapter 7. FRU replacement notices; External CRU statement to customers:; Installation of Self-service CRUs is your responsibility you may; Screw notices; Do the following when you service the computer:; Plastic to plastic
Chapter 7. FRU replacement notices External CRU statement to customers: Some problems with your product can be resolved with a replacement part you can install yourself, calleda “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as Self-service CRUs and othersare designated as Optional-s...
Page 52 - Retaining serial numbers; This topic provides instructions on the following:; Restoring the serial number of the system unit; Write down that number.; Set System Identification
Notes: • Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in the table for each step in Chapter 8 “Removing and replacing a FRU” on page 49. Neveruse a screw that you removed. Use a new one. Make sure that all of the screws are...
Page 55 - Chapter 8. Removing and replacing a FRU; Before servicing ThinkPad X121e models
Chapter 8. Removing and replacing a FRU External CRU statement to customers: Some problems with your product can be resolved with a replacement part you can install yourself, calleda “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as Self-service CRUs and othersare designated as Optio...
Page 59 - 040 Hard disk drive or solid state drive assembly; handling can cause damage and permanent loss of data.
1040 Hard disk drive or solid state drive assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 51 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause...
Page 60 - 050 PCI Express Mini Card for wireless LAN
Table 12. Removal steps of hard disk drive or solid state drive (continued) 3 When installing: Make sure the hard disk drive or solid state drive assembly is attached firmly. Table 13. Removal steps of the hard disk drive or solid state drive bracket 1 1 2 Step Screw (quantity) Color Torque 1 M3 × 2...
Page 62 - 060 PCI Express Mini Card for wireless WAN
Table 14. Removal steps of PCI Express Mini Card for wireless LAN (continued) When installing: Plug the gray cable into the jack marked MAIN or M , and the black cable into the jack marked AUX or A on the card. Note: In models with a wireless LAN card that has three antenna connectors, plug the gray...
Page 65 - 080 Power sub card and microphone; “1040 Hard disk drive or solid state drive assembly” on page 53
Table 16. Removal steps of keyboard (continued) When installing: Attach the keyboard so that the keyboard edge is under the frame as shown in the following figure. 1080 Power sub card and microphone For access, remove these FRUs in order:• “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on...
Page 68 - 100 Bluetooth daughter card
Table 19. Removal steps of top case assembly (continued) 2 M2 × 5 mm, wafer-head, nylon-coated (3) Black 0.181 Nm(1.85 kgfcm) In step 8 , push the top case assembly out from the frame as shown in the following figure by using a plastic pry tool, and remove the top case assembly in the direction show...
Page 69 - “1100 Bluetooth daughter card” on page 62
Table 20. Removal steps of Bluetooth daughter card (continued) Step Screw (quantity) Color Torque 1 M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm(1.85 kgfcm) When installing: Make sure that the connector on the bottom side of the card is attached firmly to the system board. 1110 Speaker ass...
Page 71 - 130 System board assembly, fan assembly, and backup battery
1130 System board assembly, fan assembly, and backup battery Important notices for handling the system board: When handling the system board, bear the following in mind. • The system board has an accelerometer, which can be broken if several thousands of G-forces are applied. Note: Dropping a system...
Page 74 - 150 DC-in sub card and base cover assembly
Table 25. Removal steps of CRT board assembly 2 1 4 3 2 3 Step Screw (quantity) Color Torque 3 M2 × 3 mm, wafer-head, nylon-coated (2) Black 0.392 Nm(4 kgfcm) When installing: Make sure that the connector is attached firmly to the system board. 1150 DC-in sub card and base cover assembly For access,...
Page 75 - Applying labels to the base cover; The following illustrations show the location of each label.
Table 26. Removal steps of DC-in sub card 3 1 2 Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. The following illustrations show the location of each label. 5 7 2 1 3 6 4 8 Chapter 8 . Removing and replacing a FRU 69
Page 85 - Front view
Chapter 9. Locations This chapter presents the locations of the ThinkPad X121e hardware components. Front view 1 2 3 4 5 6 7 8 9 10 11 1 Integrated camera 7 Touch pad 2 Power switch 8 TrackPoint buttons 3 Security keyhole 9 TrackPoint pointing stick 4 ac power connector 10 UltraNav pointing device 5...
Page 87 - Chapter 10. Parts list
Chapter 10. Parts list This chapter contains following lists of the service parts.• “Overall” on page 82 • “LCD FRUs” on page 90 • “Keyboard” on page 94 • “Miscellaneous parts” on page 95 • “ac power adapters” on page 95 • “Power cords” on page 96 • “Recovery discs” on page 97 • “Common service tool...
Page 88 - Overall
Overall 1 5 8 11 12 13 14 15 17 16 20 10 9 21 18 19 7 6 2 4 3 82 Hardware Maintenance Manual
Page 96 - LCD FRUs
Table 33. Parts list-Overall (continued) No. FRU (Overall) FRU no. CRUID 21 TrackPoint caps 91P9642 * - ac power adapter (see “ac power adapters” on page 95) LCD FRUs In ThinkPad X121e models, the type of the LCD is 11.6-inch HD LED-backlight LCD (Table 34 “Partslist-LCD” on page 91). 90 Hardware Ma...
Page 100 - Keyboard
Table 34. Parts list-LCD (continued) No. FRU (LCD) FRU no. CRUID 7 LCD cover kit, red, without Wireless WAN• 3045-CTO• 3048-CTO• 3049-CTO• 3051-CTO• 3053-CTO• 3055-CTO 04W2250 N 7 LCD cover kit, black, without Wireless WAN• 3045-CTO• 3048-CTO• 3049-CTO• 3051-CTO• 3053-CTO• 3055-CTO 04W2251 N Keyboar...
Page 102 - Power cords
Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region: Table 39. Parts list–2-pin power cords Country or region FRU no. CRUID Argentina• Models: CTO, xxY 42T5020 42T5105 Brazil• Models: CTO, xxP 42T5180 42T5183 Canada, U.S.• Models: CT...
Page 103 - Recovery discs
Recovery discs Windows XP Professional (32-bit) DVDs Windows XP Professional is preinstalled as the operating system in the following models:• 3045-CTO• 3048-CTO• 3049-CTO• 3051-CTO• 3053-CTO• 3055-CTO Table 41. Parts list-Windows XP Professional (32-bit) recovery DVDs Language P/N CRUID Brazilian P...
Page 108 - Common service tools
Table 50. Parts list-Windows 7 Starter (32-bit) recovery DVDs Language P/N CRU ID Arabic 04T1919 Brazilian Portuguese 04T1920 French 04T1922 Portuguese 04T1923 Russian 04T1924 Spanish 04T1925 Turkish 04T1926 Indian English 04T1921 US English 04T1927 N Common service tools Table 51. Parts list-Common...
Page 110 - Electronic emissions notices; User Guide; Trademarks; Windows is a trademark of the Microsoft group of companies.
Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information inthe User Guide . Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Active Protection SystemLenovoThinkPadThinkVan...
