Page 4 - Note
Note Before using this information and the product it supports, be sure to read the general information underNotices. Third Edition (April 2011) © Copyright Lenovo 2011. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General ServicesAdministration “GSA” contract, ...
Page 5 - Contents; iii
Contents About this manual. . . . . . . . . . . . v Chapter 1. Safety information . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3 Handling devices that are sensitive to electrostaticdisch...
Page 6 - iv
1090 PCI Express Mini Card for wireless WAN ormSATA solid state drive . . . . . . . . . . . 73 1100 Keyboard bezel assembly . . . . . . . . 76 1110 Bluetooth daughter card (BDC-3.0) . . . . 78 1120 Backup battery . . . . . . . . . . . . 79 1130 Smart Card or Smart Card dummy spacer . 80 1140 Speaker...
Page 7 - About this manual
About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad T520 and T520i MT 4239, 4240, 4241, 4242, 4243, 4244, and 4246 ThinkPad W520 MT 4249, 4260, 4270, 4276, 4281, 4282, and 4284 Use this manual along with the advanced diagnostic test...
Page 9 - 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• Electrical safety• Safety inspection guide• Handling devices that are sensitive to electrostatic discharge• Grounding requirement...
Page 10 - 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 material that does not insulate you when working with live electrical currents.Many customers have, neartheir eq...
Page 12 - Grounding requirements; DANGER
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 skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is i...
Page 25 - Laser compliance statement (multilingual translations)
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 17
Page 31 - Chapter 2. Important service information; • Strategy for replacing FRUs for CTO, CMV, and GAV; 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 – Strategy for replacing a hard disk drive– Important notice for replacing a system board– How to use error m...
Page 32 - 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 33 - 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; • eSupport can be accessed at the following Web site:; Using the HMM
• 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: 1829-CTO). Again, CMVs are custom models and are not found in the HMM. General Announce Variant (...
Page 35 - Chapter 3. General checkout; • Power system checkout; Only certified trained personnel should service the computer.; Drives in the; Replace a FRU only with another FRU of the correct model.; When you replace a FRU, make sure that; Be careful not to replace a nondefective FRU.; What to do first
Chapter 3. General checkout This chapter presents following information:• What to do first• Checkout guide – Diagnostics using PC-Doctor for DOS– Lenovo ThinkVantage Toolbox– FRU tests • Power system checkout The descriptions in this chapter apply to any ThinkPad model that supports the PC-Doctor® f...
Page 36 - 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
Before checking problems with the computer, determine whether the damage is covered under the warrantyby referring to the following list: The following are not covered under warranty: • LCD panel cracked from the application of excessive force or from being dropped• Scratched (cosmetic) parts• Disto...
Page 37 - Testing the computer; check the power sources.; ATAPI CDx; Follow the instructions on the screen.; Diagnostics; Instead of pressing Enter, click the left button.
On the ThinkPad Setup screen, press F9, Enter, F10, and then Enter. 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 o...
Page 38 - Quit — Exit Diag; Detecting system information with PC-Doctor; PC-Doctor can detect the following system information:; Lenovo ThinkVantage Toolbox
Diagnostics Interactive Tests • Run Normal Test• Run Quick Test• CPU/Coprocessor• System Memory• System board• Video Adapter• Fixed Disks• Diskette Drives• Other Devices• ThinkPad Devices• Communication• Wireless LAN • Keyboard• Video• Internal Speaker• Mouse• Diskette• System Load• Optical Drive Te...
Page 39 - FRU tests; The following table shows the test for each FRU.
Note: The latest Lenovo ThinkVantage Toolbox is available at the following Web site: http://web.lenovothinkvantagetoolbox.com/ To install the latest Lenovo ThinkVantage Toolbox on the computer, follow the instructions on the Web site. To run this program, do as follows: For Windows 7: While the Wind...
Page 40 - Power system checkout
Table 1. FRU tests (continued) FRU Applicable test Enter the ThinkPad Setup and change Serial ATA (SATA) setting to Compatibility , and run Diagnostics ➙ Fixed Disks Hard disk drive or solid statedrive You can also diagnose the drive without starting up the operating system. To diagnosethe drive fro...
Page 41 - Checking the ac adapter; docking station or the port replicator.; • Replace the system board.; Checking operational charging
Checking the ac adapter You are here because the computer fails only when the ac adapter is used. • If the power problem occurs only when the docking station or the port replicator is used, replace the docking station or the port replicator. • If the power-on indicator does not turn on, check the po...
Page 42 - To check the battery pack, do the following:; Checking the backup battery; Power off the computer, and unplug the ac adapter from it.; • If the voltage is correct, replace the system board.
Note: If the battery pack becomes hot, it may not be able to charge. Remove it from the computer and leave it at room temperature for a while. After it cools down, reinstall and recharge it. To check the battery pack, do the following: 1. Power off the computer.2. Remove the battery pack and measure...
Page 43 - Chapter 4. Related service information; Restoring the factory contents by using Recovery Disc Set; can use an external USB DVD drive.; Startup; Operating System Recovery Disc
Chapter 4. Related service information This chapter presents following information:• Restoring the factory contents by using Recovery Disc Set• Passwords• Power management• Symptom-to-FRU index Service Web site: When the latest maintenance diskette and the system program service diskette become avai...
Page 44 - Passwords
3. Press F10 to save the Setup Utility 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 conditions, select I accept these terms and conditions and then click Next ...
Page 45 - (B) If an SVP has been set and is known by the service technician:; How to remove the hard-disk password
service technicians provide any services to reset either the user or the master HDP, or to recover data fromthe hard disk drive. The hard disk drive can be replaced for a scheduled fee. For how to remove the POP, see How to remove the hard-disk password. Supervisor password A supervisor password (SV...
Page 46 - Power management; To put the computer into screen blank mode, do as follows:
4. Select Password . 5. Select Hard-disk x password , where x is the letter of the hard disk drive. A pop-up window opens. 6. Select Master HDP . 7. Type the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 8. Press F10. 9....
Page 47 - Hibernation mode; In hibernation mode, the following occurs:
Also, in either of the following events, the computer automatically returns from sleep (standby) mode andresumes operation: • The ring indicator (RI) is signaled by a serial device or a PC Card device. ( does not support the ring indicator (RI) resume by PC Card device.) • The time set on the resume...
Page 48 - can; Numeric error codes
Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.” If replacing a FRU does not solve the problem, put the original part back in thecomputer. Do not replace a nondefective FRU. This index can also help you determine, during regular s...
Page 49 - Error messages
Table 2. Numeric error codes (continued) Symptom or error FRU or action, in sequence 1802 Unauthorized network card is plugged in—Turn off andremove the miniPCI network card. 1. Remove Mini PCI network card. 2. System board 1820 More than one external fingerprint reader is attached.Power off and rem...
Page 50 - Beep symptoms
Table 3. Error messages (continued) Symptom or error FRU or action, in sequence This system does not support batteries that are notgenuine Lenovo-made or authorized. The system willcontinue to boot, but may not charge unauthorizedbatteries. Attention: Lenovo has no responsibility for the performance...
Page 51 - Intermittent problems; When analyzing an intermittent problem, do the following:; at least 10 times
No-beep symptoms Table 5. No-beep symptoms Symptom or error FRU or action, in sequence No beep, power-on indicator on, LCD blank, and noPOST. 1. Make sure that every connector is connectedtightly and correctly . 2. DIMM3. System board No beep, power-on indicator on, and LCD blank duringPOST. 1. Rese...
Page 52 - not; Undetermined problems; Verify that all attached devices are supported by the computer.
2. If no error is detected, do not replace any FRUs. 3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no more errors exist. Undetermined problems If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are inst...
Page 53 - Chapter 5. Installing and configuring RAID; Supported RAID configurations; Creating RAID volumes
Chapter 5. Installing and configuring RAID This chapter presents following information about attaching SATA devices and configuring RAID for theRAID-supported models in this product. Note: When the UEFI BIOS was formatted or the system board was replaced in the RAID-supported models, RAID is enabled...
Page 54 - Deleting RAID volumes
To create RAID volumes, do as follows: 1. Turn on the computer. 2. During the startup, when a prompt to press Ctrl+I to enter the Configuration Utility is displayed on the screen, press and hold the Ctrl key, and press the I key. 3. The screen for Intel Rapid Storage Technology option ROM is display...
Page 55 - Chapter 6. Status indicators
Chapter 6. Status indicators This chapter presents the system status indicators that show the status of the computer. 7 8 3 4 5 6 2 1 9 12 11 10 © Copyright Lenovo 2011 47
Page 59 - Chapter 7. Fn key combinations
Chapter 7. 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+F1 Reserved. Fn+F2 Lock the computer. Fn+F3 Select a power plan (in Windows XP, power scheme) that has been created by Powe...
Page 63 - Chapter 8. FRU replacement notices; Screw notices; Plastic to plastic
Chapter 8. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully beforereplacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad Notebook, this problem is addressed withspecial nylon-coated scre...
Page 64 - Retaining serial numbers; This section includes the following descriptions:; Restoring the serial number of the system unit; Write down that number.; Set System Identification; Retaining the UUID
Retaining serial numbers This section includes the following descriptions: • Restoring the serial number of the system unit• Retaining the UUID• Reading or writing the ECA information Restoring the serial number of the system unit When the computer was manufactured, the EEPROM on the system board wa...
Page 65 - . A new UUID is created and written. If a valid UUID already; Reading or writing the ECA information; and follow the; Read box build date from EEPROM; , and follow the instruction on; , and follow the instruction on
When you replace the system board, you must set the UUID on the new system board as follows: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer. 2. From the main menu, select 4. Assign UUID . A new UUID is created and written. If a valid UUID...
Page 67 - Chapter 9. Removing and replacing a FRU; the risk of damaging parts.
Chapter 9. Removing and replacing a FRU This chapter presents directions and drawings for use in removing and replacing a FRU. Be sure to observethe following general rules: 1. Do not try to service any computer unless you have been trained and certified. An untrained person runs the risk of damagin...
Page 68 - Important notice for replacing a battery pack:
Before servicing ThinkPad T520, T520i, and W520 Table 9. Removal steps of SIM card Some models of the ThinkPad T520, T520i, and W520 you are servicing might have the SIM card that the customerhas installed. If the computer you are servicing has the SIM card, remove it before you start the servicing....
Page 69 - 020 Serial Ultrabay Enhanced device or travel bezel
Table 10. Removal steps of battery pack (continued) 3 2 1 When installing: Install the battery pack in the slot, and then make sure that the battery latch is in the locked position. 1020 Serial Ultrabay Enhanced device or travel bezel For access, remove this FRU:• 1010 Battery pack Table 11. Removal...
Page 73 - Do not drop the drive or apply any physical shock to it.; The drive is sensitive to physical shock.
Table 13. Removal steps of DIMM (bottom slot) (continued) For ThinkPad W520 : 1 1 2 a b Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 a , but not in SLOT-2 b . When installing: Insert the notched end of the DIMM into the socket. Press the DIMM...
Page 76 - When installing the keyboard, do as follows:
Table 17. Removal steps of keyboard (continued) 1. Push down the keyboard a little toward the arrow 2 until the front edge of the keyboard is detached from the keyboard bezel. 2 2. Lift the keyboard a little in the direction shown by arrow 3 , and then detach the connector 4 . 3 4 When installing th...
Page 79 - 080 PCI Express Mini Card for wireless LAN
Table 19. Removal steps of DIMM (upper slot) 1 1 2 Note: For ThinkPad W520, if only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 a , but not in SLOT-2 b . a b When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and p...
Page 81 - WWAN card and mSATA solid state drive are exclusive to each other.
Table 20. Removal steps of PCI Express Mini Card for wireless LAN (continued) 4 When installing: • In models with wireless LAN card that has two antenna connectors, plug the gray cable into the jack labeled MAIN or M , and the black cable into the jack labeled AUX or A on the card. If the computer y...
Page 83 - handling can cause damage and permanent loss of data.
Table 21. Removal steps of PCI Express Mini Card for wireless WAN (continued) 4 Note: Plug the orange cable into the jack labeled MAIN , and the blue cable into the jack labeled AUX on the card. If your computer is equipped with an mSATA solid state drive, follow the below removal steps. Attention: ...
Page 84 - 100 Keyboard bezel assembly; blank bezel or any card in the slot.
Table 22. Removal steps of mSATA (continued) 3 1100 Keyboard bezel assembly For access, remove these FRUs in order:• 1010 Battery pack• 1030 DIMM slot cover• 1060 Keyboard Attention: Before removing the keyboard bezel assembly, make sure that you have removed ExpressCard blank bezel or any card in t...
Page 88 - 130 Smart Card or Smart Card dummy spacer
Table 26. Removal steps of backup battery 1 2 When installing: Make sure that the battery connector is attached firmly. 1130 Smart Card or Smart Card dummy spacer For access, remove these FRUs in order:• 1010 Battery pack• 1030 DIMM slot cover• 1060 Keyboard• 1100 Keyboard bezel assembly 80 ThinkPad...
Page 95 - and storage converter
Table 31. Removal steps of CPU Rotate the head of the screw in the direction shown by arrow 1 to release the lock; then remove the CPU 2 . 2 1 a When installing: Place the CPU on the CPU socket, and then rotate the head of the screw in the direction shown by arrow a to secure the CPU. 1170 LCD unit ...
Page 99 - Note: Applying labels to the base cover; FCC label
Table 33. Removal steps of base cover assembly 2 2 3 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm(1.85 kgfcm) 2 M2 × 14 mm, wafer-head, nylon-coated (2) Black 0.181 Nm(1.85 kgfcm) 3 M2 × 4 mm, wafer-head, nylon-coated (1) Black 0.181 Nm(1.85 kgfcm) 5...
Page 110 - 050 Antenna kit and LCD rear cover assembly
Table 41. Removal steps of LCD cable, camera cable, LCD panel, and hinges (continued) 9 9 9 9 10 10 Step Screw (quantity) Color Torque 9 M2 × 3 mm, wafer-head, nylon-coated (4) Silver 0.181 Nm(1.85 kgfcm) 2050 Antenna kit and LCD rear cover assembly For access, remove these FRUs in order:• 1010 Batt...
Page 113 - Chapter 10. Locations; Front view
Chapter 10. Locations This chapter presents the location of ThinkPad T520, T520i, and W520 features and hardware. Front view 1 Status indicators Note: For the description of each indicator, see Status indicators. 2 Built-in microphone 3 Integrated camera (for some models) 4 ThinkLight 5 Power switch...
Page 114 - Rear view
3 4 5 7 6 8 8 9 10 13 14 11 12 15 16 18 20 19 17 1 2 2 21 Rear view 1 Status indicators Note: For the description of each indicator, see Status indicators. 2 Smart Card slot (for some models) 3 Wireless radio switch 4 IEEE 1394 connector 5 USB/eSATA combo connector (for some models) 6 Universal seri...
Page 115 - Bottom view
1 9 2 3 4 5 7 6 8 10 11 Bottom view 1 Battery pack 2 Battery pack latch 3 Docking connector 4 Solid state drive (SSD) or hard disk drive (HDD) slot 5 DIMM slot (bottom) 6 LCD cover latch 7 Serial Ultrabay Enhanced lock latch 8 Serial Ultrabay Enhanced eject latch 1 2 3 4 6 5 7 8 Chapter 10 . Locatio...
Page 117 - Chapter 11. Parts list; should be used for all models ending in U.; • FRUs marked with; are available as options.
Chapter 11. Parts list This chapter contains following lists of the service parts.• Overall• LCD FRUs• Keyboard• Miscellaneous parts• AC adapters• Power cords• Recovery discs• Common service tools Notes: • Each FRU is available for all types or models, unless specific types or models are specified.•...
Page 118 - Overall
Overall 1 2 3 5 4 a c b d 6 7 8 9 10 11 8 12 14 15 13 16 17 18 19 20 22 21 23 24 110 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
Page 159 - LCD FRUs
Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRUID — Thermal grease 91P8835 N — AC adapter (see AC adapters.) LCD FRUs In ThinkPad T520, T520i, and W520, there are following types of LCDs:• 15.6-inch High Definition (HD) LED-backlight LCD• 15.6-inch HD+ LED-backlight LCD• 15.6-...
Page 166 - Keyboard
Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. CRUID 10 LCD module, 15.6-inch FHD LED-backlight, with touch panel• 4249-CTO• 4260-CTO• 4270-CTO• 4276-CTO, 22x• 4281-CTO• 4282-CTO• 4284-CTO 04W1511 N Keyboard Table 45. Parts...
Page 167 - Miscellaneous parts
Table 45. Parts list—Keyboard (continued) Language FRU no. CRUID Spanish 45N2081 45N2151 45N2221 Swiss 45N2098 45N2168 45N2238 Thai 45N2105 45N2175 45N2245 Traditional Chinese 45N2104 45N2174 45N2244 Turkish F Type 60Y9552 60Y9554 60Y9550 Turkish 45N2099 45N2169 45N2239 U.K. English 45N2100 45N2170 ...
Page 168 - AC adapters
Table 46. Parts list—Miscellaneous parts (continued) FRU FRU no. CRUID Base miscellaneous parts:• Rubber foot (rear)• Rubber foot (front)• Gasket, DIMM (L)• Gasket, DIMM (R)• Gasket, HDD• Wireless switch• Knob, wireless switch• ODD bracket assembly• ODD bar• ODD switch assembly• ODD switch spring• M...
Page 169 - Power cords
Table 47. Parts list—2-pin ac adapters for ThinkPad T520 and T520i (continued) FRU FRU no. CRUID 2-pin (90 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 42T4427 2-pin (90 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 42T4431 2-pin (90 W, 20 V) adapter ...
Page 170 - Recovery discs
Table 51. Parts list—2-pin power cords Region P/N CRU ID Argentina• models -CTO, xxY 42T5020 42T5105 Brazil• models -CTO, xxP 42T5180 42T5183 Canada, U.S.• models -CTO, xxF, xxL, xxS, xxU 42T5008 42T5093 Japan• models -CTO, xxE, xxJ 42T5014 42T5099 * Table 52. Parts list—3-pin power cords Region P/N...
Page 174 - Common service tools
Table 56. Parts list—Windows 7 Professional (64 bit) recovery DVDs (continued) Language P/N CRU ID German 03W7827 Greek 03W7826 Hebrew 03W7828 Hungarian 03W7830 Japanese 03W7831 Korean 03W7832 Polish 03W7833 Portugese 03W7834 Romanian 03W7835 Russian 03W7836 Serbian-Latin 03W7839 Simplified Chinese ...
Page 176 - Electronic emissions notices; User Guide; Trademarks
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 SystemLenovoThinkLightThinkP...