This manual contains service and reference information for the following ThinkPad products. ThinkPad Edge E520 Machine Type (MT) 1143 and 1144 ThinkPad Edge E525 MT 1200 Use this manual along with the advanced diagnostic tests to troubleshoot problems. 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.
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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 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.
– Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. 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.
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. •...
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DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information Downloaded from LpManual.com Manuals...
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Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese Chapter 1 Safety information Downloaded from LpManual.com Manuals...
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– “FRU identification for CTO, CMV, and GAV products” on page 29 Important: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone...
0 in the system, and assigned drive C:. The hard disk drive will be seen as hard disk 1, and assigned drive D:. The mSATA drive is installed in the wireless WAN card slot of the computer. The Lenovo preloaded software is installed on the mSATA drive.
= a “fixed part number”, not “CTO” (Example: 1829-F1U). • PEW can be accessed at the following Web site: http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY Select Warranty lookup. Input the MT and the Serial number and the list of key commodities will be returned in the PEW record under COMPONENT INFORMATION.
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1. Click Product & Parts Detail and then follow the instructions on the screen to reach the Product and Parts Details page. 2. Click the Parts Detail tab to view the list of service parts. Using the HMM For Key Commodities (Examples - hard disk drive, system board, microprocessor, LCD, and memory) Use the HMM as a back-up to PEW and eSupport to view the complete list of FRUs at the MT Model level.
“What to do first” on page 31 • “Checkout guide” on page 32 – “System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program” on page 32 – “System supporting the Lenovo diagnostics programs” on page 36 •...
System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program The section provides information about ThinkPad computers that support the Lenovo ThinkVantage Toolbox ® program and the PC-Doctor for DOS diagnostics program. Some descriptions might not apply to your particular computer.
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Configuration utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support Testing the computer Note: The PC-Doctor for DOS CD-R/CD-RW disc supports only test of internal optical disc drives (CD-RW, CD-RW/DVD Combo, and DVD Multi drives) on ThinkPad computers.
Benchmark System DOS Shell Tech Support Form Battery Rundown Erase Drive Contents View PCDR Host Log Lenovo ThinkVantage Toolbox ® ® Lenovo ThinkVantage Toolbox is a diagnostic program that works through the Windows operating system. It enables you to view symptoms of computer problems and solutions for them, and includes automatic notification when action is required, computing assistance, advanced diagnostics, and diagnostic history.
Web site. To run this program, do as follows: Windows 7: Click Start ➙ Control Panel ➙ System and Security ➙ Lenovo - System Health and Diagnostics. Windows XP: Click Start ➙ All Programs ➙ ThinkVantage ➙ Lenovo ThinkVantage Toolbox.
Note: The Lenovo Solution Center program is available only on models preinstalled with the Windows 7 operating system. It also can be downloaded from http://www.lenovo.com/diagnose. To run Lenovo Solution Center, click Start ➙ Control Panel ➙ System and Security ➙ Lenovo - System Health and Diagnostics, and then follow the instructions on the screen.
F12 key. 3. Press the Tab key to switch to the Application Menu window. 4. Use the arrow keys to select Lenovo Diagnostics and then press Enter. The main screen of the UEFI diagnostic program is displayed.
• If you have created the bootable diagnostic medium on a USB device, do the following: 1. Attach the USB device to the computer. 2. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 38, and check the power sources.
Voltage (V dc) Ground (20V) Note: Output voltage across pin 2 of the ac power adapter might be 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: •...
Terminal Voltage (V dc) + 0 to + 12.6 Ground (-) 7(-) 6(-) 2(+) 1(+) 3. If the voltage is less than +11.0 V dc, the battery pack has been discharged. Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +11.0 V dc after recharging, replace the battery.
Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support. Restoring the factory contents by using Recovery Disc Set When the hard disk drive is replaced because of a failure, no product recovery program is on the new drive.
2. Insert the Operating System Recovery Disc into the DVD drive. 3. Press F10 to save the ThinkPad Setup program configuration changes. Follow the instructions on the screen to begin the recovery process. 4. Select your language and click Next. 5.
If a master hard disk password has been set, it can be used to access the hard disk drive. If no master hard disk password is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user hard disk password or the master hard disk password, or to recover data from the hard disk drive.
To remove a user hard disk password that has been forgotten, when the supervisor password and the master hard disk password are known, do the following: 1. Turn on the computer. 2. When the ThinkPad logo is displayed, immediately press F1 to enter the ThinkPad Setup program. 3.
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, and setup data are stored on the hard disk. •...
Numeric error codes Table 2. Numeric error codes Symptom or error (beeps, if any) FRU or action, in sequence 0187 System board. EAIA data access error - The access to EEPROM is failed. (two short beeps) 0189 System board. Invalid RFID configuration information area - The EEPROM checksum is not correct.
If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced.
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2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Printer, mouse, and other external devices c. Battery pack d. Hard disk drive e. External diskette drive or optical drive f.
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Table 6. Status indicators (continued) Indicator Meaning Sleep (standby) status The illuminated dot in the ThinkPad logo on the outer lid of the computer and on the palm rest works as a system status indicator: it shows whether the computer is in sleep (standby), hibernation, or normal mode.
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Table 7. Special keys (continued) Description Special key Wireless radio control Press this key to enable or disable the built-in wireless networking features. When you (F9) press this key, a list of wireless features is displayed. You can quickly change the radio state of each feature on the list.
CRU; and (2) you may be charged for the replacement CRU if Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details.
If you replace the system board, you must restore the serial number of the system unit to its original value. Before replacing the system board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer.
4. To read the box build date, select 5. Read box build date from EEPROM, and follow the instructions on the screen. After an engineering change is applied to the computer, the EEPROM must be updated. Use the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later to update the EEPROM.
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CRU; and (2) you may be charged for the replacement CRU if Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details.
Important notice for replacing a battery pack: • Lenovo ThinkVantage Toolbox or Lenovo Solution Center (in Windows 7) has an automatic battery diagnostic that determines if the battery pack is defective. A battery pack FRU should not be replaced unless this diagnostic shows that the battery is defective.
When installing: Install the battery pack in the slot. Make sure that the battery latch is in the locked position. 1020 ExpressCard blank bezel Removal steps of ExpressCard blank bezel When you press the ExpressCard blank bezel , it pops out When installing: Make sure that the bezel is correctly oriented as shown in the following figure.
Note: Your models may look slightly different from the illustration above. 1030 Optical drive or travel cover For access, remove this FRU: • “1010 Battery pack” on page 58 Removal steps of optical drive or travel cover Step Screw (quantity) Color Torque Black...
1040 Bottom slot cover For access, remove this FRU: • “1010 Battery pack” on page 58 Removal steps of bottom slot cover Note: Loosen the screws , but do not remove them. When installing: Attach the bottom slot cover as shown in the following illustration. Chapter 8 Removing and replacing a FRU Downloaded from LpManual.com Manuals...
1050 Memory modules For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1040 Bottom slot cover” on page 61 Removal steps of memory modules Note: If only one memory module is used on the computer you are servicing, the card must be installed in SLOT-0 ( : lower slot), but not in SLOT-1 ( : upper slot).
1060 Hard disk drive assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1040 Bottom slot cover” on page 61 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.
Note: Your models may look slightly different from the illustration above. When installing: Make sure the HDD is attached firmly. Removal steps of HDD bracket Step Screw (quantity) Color Torque M3 × 2.8 mm, wafer-head, nylon-coated (4) Black 0.392 Nm (4 kgfcm) 1070 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order:...
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• “1010 Battery pack” on page 58 • “1040 Bottom slot cover” on page 61 Removal steps of PCI Express Mini Card for wireless LAN In step , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in the direction of the arrow.
Note: In models with a wireless LAN card that has three antenna connectors, plug the gray cable (MAIN) into the jack marked TR1, the white cable (third) into the jack marked RO or TR3, and the black cable (AUX) into the jack marked TR2 on the card. 1080 PCI Express Mini Card for wireless WAN for ThinkPad Edge E520 models For access, remove these FRUs in order:...
1080 mSATA solid state drive for ThinkPad Edge E520 models For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1040 Bottom slot cover” on page 61 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.
Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) 1090 Backup battery For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1040 Bottom slot cover” on page 61 Removal steps of backup battery DANGER Use only the battery specified in the parts list for your computer.
When installing: Make sure that the connector is attached firmly. 1110 Keyboard For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1040 Bottom slot cover” on page 61 Removal steps of keyboard Note: Your models may look slightly different from the illustration above. When installing: Make sure the screws have been fastened to secure the keyboard.
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Installation steps of keyboard To install the keyboard, do the following: 1. Attach the connectors. Hardware Maintenance Manual Downloaded from LpManual.com Manuals...
2. Attach the keyboard so that the keyboard edges are under the frame. 3. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your thumbs and try to slide the keyboard toward you. 4.
Removal steps of top case assembly Note: Your models may look slightly different from the illustration above. Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (10) Black 0.181 Nm (1.85 kgfcm) Note: Your models may look slightly different from the illustration above. Step Screw (quantity) Color...
Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 6 mm, wafer-head, nylon-coated (5) (1.85 kgfcm) When installing: Make sure that the connector is attached firmly to the system board. In step , push the top case assembly out from the frame by using a plastic pry tool as shown in the following figure.
Remove the top case assembly in the direction shown by the arrow , and then detach the connector When installing: Make sure that the connector is attached firmly to the system board. 1130 Bluetooth daughter card For access, remove these FRUs in order: •...
• “1030 Optical drive or travel cover” on page 60 • “1040 Bottom slot cover” on page 61 • “1110 Keyboard” on page 69 • “1120 Top case assembly” on page 71 Removal steps of Bluetooth daughter card Step Screw (quantity) Color Torque Black...
Removal steps of speaker assembly When installing: Attach the speaker assembly and route the cable as shown in the following figure, and make sure that the speaker connector is attached firmly. 1160 System board assembly and fan assembly Important notices for handling the system board: When handling the system board, bear the following in mind.
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Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in any reject report, and replace the system board. • Avoid rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board. •...
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For models with an integrated thermal module Note: Your models may look slightly different from the illustration above. Chapter 8 Removing and replacing a FRU Downloaded from LpManual.com Manuals...
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Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) Note: Your models may look slightly different from the illustration above. Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (3) Black 0.181 Nm (1.85 kgfcm)
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For ThinkPad Edge E525 models When installing: • Make sure that the cables are attached to the cable guides firmly. • Make sure that you route the cables correctly and you tape up the cables in the proper positions as shown in the following figures.
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• When you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Removal steps of fan assembly Loosen the screws , but do not remove them.
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When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked as shown in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You need to peel the thin film off from the rubbers marked For models with a discrete fan assembly For models with an integrated fan assembly...
1170 CPU For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1020 ExpressCard blank bezel” on page 59 • “1030 Optical drive or travel cover” on page 60 • “1040 Bottom slot cover” on page 61 •...
1180 DC-in sub card and base cover assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1020 ExpressCard blank bezel” on page 59 • “1030 Optical drive or travel cover” on page 60 •...
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Removal steps of base cover assembly Note: Your models may look slightly different from the illustration above. Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6 mm, wafer-head, nylon-coated (2) (4 kgfcm) Hardware Maintenance Manual Downloaded from LpManual.com Manuals...
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Torque Step Screw (quantity) Color M2.5 × 6 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4 kgfcm) Applying labels to the base cover for ThinkPad Edge E520 models The new base cover FRU is shipped with a kit containing labels of several kinds. If the Windows Certificate of Authentication label (COA) is attached to a part that is replaced, return the old part with the label attached to the customer, or provide a letter to the customer stating what the label...
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For the location of each label, refer to the following figure: Applying labels to the base cover for ThinkPad Edge E525 models The new base cover FRU is shipped with a kit containing labels of several kinds.
1190 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1030 Optical drive or travel cover” on page 60 • “1040 Bottom slot cover” on page 61 • “1070 PCI Express Mini Card for wireless LAN” on page 64 •...
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Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6 mm, wafer-head, nylon-coated (2) (4 kgfcm) When installing: Make sure that the connector is attached firmly to the system board. In step , release wireless antenna cables from the cable guides. Hardware Maintenance Manual Downloaded from LpManual.com Manuals...
2010 LCD bezel assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 58 • “1030 Optical drive or travel cover” on page 60 • “1040 Bottom slot cover” on page 61 • “1070 PCI Express Mini Card for wireless LAN” on page 64 •...
Torque Step Screw cap Screw (quantity) Color M2.5 × 6mm, wafer-head, nylon-coated (4) Black 0.392 Nm (4 kgfcm) When installing: Make sure that all the latches are attached firmly. Then secure the bezel with the screws. 2020 Integrated camera For access, remove these FRUs in order: •...
• “2020 Integrated camera” on page 92 Removal steps of LCD panel, LCD cable, and LCD rear cover assembly For ThinkPad Edge E520 models For ThinkPad Edge E525 models Chapter 8 Removing and replacing a FRU Downloaded from LpManual.com Manuals...
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Step Screw (quantity) Color Torque 0.294 Nm M2.5 × 4.5 mm, wafer-head, nylon-coated (2) Silver (3 kgfcm) Hardware Maintenance Manual Downloaded from LpManual.com Manuals...
When installing: Make sure that the LCD connector is attached firmly. Removal steps of hinges Torque Step Screw (quantity) Color M2 × 2.5 mm, wafer-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgfcm) 2040 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly For access, remove these FRUs in order: •...
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• “1040 Bottom slot cover” on page 61 • “1070 PCI Express Mini Card for wireless LAN” on page 64 • “1080 PCI Express Mini Card for wireless WAN for ThinkPad Edge E520 models” on page 66 • “1080 mSATA solid state drive for ThinkPad Edge E520 models” on page 67 •...
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For ThinkPad Edge E525 models Chapter 8 Removing and replacing a FRU Downloaded from LpManual.com Manuals...
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: Wireless WAN AUX antenna (blue) : Wireless WAN MAIN antenna (orange) : Wireless LAN MAIN antenna (gray) Note: Some models might have a third white cable for wireless LAN. For ThinkPad Edge E525 models Hardware Maintenance Manual Downloaded from LpManual.com Manuals...
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: Wireless LAN AUX antenna (black) : Wireless LAN MAIN antenna (gray) Chapter 8 Removing and replacing a FRU Downloaded from LpManual.com Manuals...
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Rear view Sleep (standby) status indicator eSATA/USB connector Media Card Reader slot USB connectors External monitor connector Combo audio jack HDMI port RJ-45 (Ethernet) connector : For the description of the sleep (standby) status indicator, see Chapter 5 “Status indicators” on page 49. Bottom view Battery pack Bottom slot cover...
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. You may find a list of CRUs in the publications that ship with your product or at http://www.lenovo.com/CRUs. You may be required to return the defective part that is replaced by the CRU.
Keyboard Table 10. Parts list - Keyboard Language FRU no. Arabic 04W0877 04W0841 Belgian 04W0878 04W0842 Brazilian Portuguese 04W0876 04W0840 Bulgarian 04W0879 04W0843 04W0874 04W0838 Canadian French (058) Canadian French (Acnor) 04W0873 04W0837 Czech 04W0880 04W0844 Danish 04W0881 04W0845 Dutch 04W0891 04W0855 04W0898...
Table 10. Parts list - Keyboard (continued) Language FRU no. 04W0872 04W2236 U.S. English U.S. English (International, with a Euro symbol) 04W0902 04W0866 Miscellaneous parts Table 11. Parts list - Miscellaneous parts FRU no. Screw kit (including nylon-coated screws): 04W1840 N •...
Table 16. Parts list—Windows XP Professional (32 bit) recovery DVDs (continued) Language Portuguese 03W7493 Russian 03W7494 Simplified Chinese 03W7477 Spanish 03W7495 03W7496 Swedish Traditional Chinese 03W7478 Turkish 03W7497 03W7979 US English Windows 7 Home Basic (32 bit) DVDs Windows 7 Home Basic (32 bit) is preinstalled as the operating system in the following models: •...
Table 18. Parts list—Windows 7 Home Basic (64 bit) recovery DVDs Language CRU ID Arabic 04T2964 Brazilian Portuguese 04T2965 French 04T2968 Indian English 04T2967 Portuguese 04T2969 Russian 04T2970 04T2972 Serbian-Latin Simplified Chinese 04T2966 Spanish 04T2971 Turkish 04T2973 US English 04T2974 Windows 7 Home Premium (32 bit) DVDs Windows 7 Home Premium (32 bit) is preinstalled as the operating system in the following models: •...
Table 21. Parts list—Windows 7 Professional (32 bit) recovery DVDs Language CRU ID French 04T2919 04T2920 Germany Indian English 04T2918 Japanese 04T2921 Simplified Chinese 04T2917 04T2922 Spanish US English 04T2923 English, Danish, Finnish, Swedish, and Norwegian 04T2924 English, Dutch, French, German, and Italian 04T2925 Windows 7 Professional (64 bit) DVDs Windows 7 Professional (64 bit) is preinstalled as the operating system in the following models:...
USB floppy diskette drive tool kit 27L3452 42W7820 Test card for integrated Smart Card — LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later Note: Download the file from the following Web site: http://www.lenovo.com/support Hardware Maintenance Manual Downloaded from LpManual.com Manuals...
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: Active Protection System Lenovo ThinkPad...