Lenovo ThinkPad L520 Hardware Maintenance Manual

Lenovo ThinkPad L520 Manual

Lenovo ThinkPad L520 manual table of contents:

  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 1
    Hardware Maintenance Manual ThinkPad L420, L421, and L520
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 2
    Note Before using this information and the product it supports, be sure to read the general information under.... Sixth Edition (March 2012) © Copyright Lenovo 2011, 2012. LIMITED AND RESTRICTED... data or software is delivered pursuant a General Services Administration "GSA" contract, use, reproduction...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 3
    ...Chapter 3. General checkout ...What to do first ...Checkout guide ...System supporting the Lenovo ThinkVantage Toolbox ...Chapter 8. Removing and replacing a FRU ...1010 Battery pack ...1020 ExpressCard blank bezel ...Mini Card for wireless LAN . 1140 Backup battery ...1150 Bluetooth daughter card ...1160...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 4
    ...assembly ...2020 System board assembly...2030 USB connector board and USB cable assembly ...2040 ...DVDs ...Windows 7 Ultimate (64 bit) DVDs ...Common service tools ... ... ... 142 143 145 145 146 ... A. Notices ...Electronic emissions notices ...Trademarks ... 155 156 156 ii Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 5
    ..., 7827, 7829, 7853, 7854, and 7856 ThinkPad L421 MT 7826, 7827, 7829, ... manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained ... page 1 and Chapter 2 "Important service information" on page 25. © Copyright Lenovo 2011, 2012 iii...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 6
    iv Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 7
    ... a ThinkPad Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide"... that might be hazardous to your eyes. • After service, reinstall all safety shields, guards,.... Do not obstruct fan louvers or cover them with labels or stickers. © Copyright Lenovo...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 8
    ...operate the switch or unplug the power cord quickly. • Do not work alone under hazardous... when you work with very high voltages; Instructions for these precautions are in the safety sections of maintenance... injury and machine damage. • Do not service the following parts with the power on when they...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 9
    ... due to attachment of non-ThinkPad features or options not covered by this inspection guide. If any ... you can continue without first correcting the problem. Consider these conditions and the safety ... Check the power cord for: a. A third-wire ground connector in good condition. Use a meter to measure ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 10
    ... those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding ... green-wire ground. - When working on a double-insulated or battery-operated system, use an ESD common ... point. You can use coax or connector-outside shells on these systems. - Use the...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 11
    DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 12
    DANGER 6 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 13
    PERIGO PERIGO PERIGO Chapter 1. Safety information 7
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 14
    PERIGO PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 15
    DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 9
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    DANGER DANGER VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual
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    VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11
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    12 Hardware Maintenance Manual
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    Chapter 1. Safety information 13
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    Chapter 1. Safety information 15
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  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 23
    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. ...
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  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 25
    Chapter 1. Safety information 19
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    Chapter 1. Safety information 21
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    Chapter 1. Safety information 23
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  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 31
    ...presents following important service information that applies to all machine types supported by this manual: • "Strategy.... To download software fixes, drivers, and BIOS, do as follows: 1. Go to http://www.lenovo... but the replacement does not correct the problem, reinstall the original FRU before you...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 32
    ...backup of the data before doing this task. Attention: The drive startup sequence in the computer you are servicing may have been changed.... To Order (CTO) This provides the ability for a customer to configure an IBM® or a Lenovo solution from an eSite, and have this configuration sent to fulfillment,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 33
    ... at the following Web site: http://www.lenovo.com/support • To view the key commodities, do the following: 1. Click Warranty. 2. ... the complete list of FRUs, do the following: 1. Click Product & Parts Detail and then follow the instructions on the screen to reach the Product and Parts Details page....
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 34
    Use the HMM as a backup to PEW and eSupport to view the complete list of FRUs at the MT model level. 28 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 35
    ... following information: • "What to do first" on page 29 • "Checkout guide" on page 30 - "System supporting the Lenovo ThinkVantage Toolbox ...of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force © Copyright Lenovo 2011, 2012 29...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 36
    ...apply to your particular computer. Diagnostics using PC-Doctor for DOS The ThinkPad Notebook has a test program called PC-Doctor ...-Doctor for DOS is available at the following Web site: http://www.lenovo.com/support To create the PC-Doctor diagnostic CD, follow the instructions on the Web site. For ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 37
    ... utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support PC-... station. To test a USB device, connect it to the USB connector of the computer. Testing the computer Note: The PC-... DVD Multi drives) on ThinkPad computers. It does not support test of any optical ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 38
    ... sensed. • Video Adapter test supports only the LCD display on the ThinkPad Notebook. If you have... computer, detach it before running PC-Doctor for DOS. • To test Digital Signature Chip, the security ...function test. 11. Follow the instructions on the screen. If there is a problem, PC-Doctor shows ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 39
    ....lenovothinkvantagetoolbox.com/, click Download Lenovo ThinkVantage Toolbox, and follow the instructions on the screen. To run..., do as follows: Windows 7: Click Start ➙ Control Panel ➙ System and Security ➙ Lenovo... run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. Note: Do not...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 40
    ... programs The section provides information about ThinkPad computers that support the Lenovo diagnostics programs. Some ... information collection, security status, and support information, along with hints and tips ... computer internal storage and memory problems. Notes: 34 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 41
    ...and follow the instructions on the Web site. To run a quick test using the downloaded program, do ... for error code descriptions and troubleshooting hints. 2. When the ThinkPad logo is displayed, repeatedly press ... program, you can download a bootable diagnostic program from the Lenovo Support Web site...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 42
    ...Click Lenovo Bootable Diagnostics. 3. Follow the instructions on the Web site to create a bootable diagnostic... the diagnostic medium you have created, do one of the following: • If you have... into the optical drive. 3. Restart the computer. 4. When the ThinkPad logo is displayed, repeatedly press and...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 43
    ...is acceptable, do the following: • Replace the system board. • If the problem persists and your system is installed with the PC doctor for DOS, go to "FRU...it cools down, reinstall and recharge it. To check the battery pack, do the following: 1. Power off the computer. Chapter 3....
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 44
    ... pack and measure the voltage between battery terminals 1 (+) and 7 (-). See the following figure: ..., replace the system board. Checking the backup battery Do the following: 1. Power off the computer, ... discharges quickly after replacement, replace the system board. 38 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 45
    ...system program service diskette become available, they will be posted on http://www.lenovo.com/support. Restoring ...) This disc restores the preinstalled applications and drivers on the computer. Supplemental Recovery Disc This disc ... to use the recovery discs. If you do not have an internal DVD drive...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 46
    ...conditions and then click Next. If you do not agree with the terms and conditions, follow...reinstall some device drivers. Passwords As many as three passwords may be needed for any ThinkPad Notebook: ... system administrator then provides the user HDP to the system user. 40 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 47
    ... master HDP is available, neither Lenovo nor Lenovo authorized service technicians provide any services ... password To remove a POP that you have forgotten, do the following: (A) If no SVP has ... POP. Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 48
    ...enter the master HDP. Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter the BIOS Setup ... do any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. • If the battery indicator...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 49
    ...-battery alarm, the charge indicator notifies you when the battery is low, and then the computer enters ..., the TrackPoint, the hard disk drive, the parallel connector, or the diskette drive within that time. • If ...APM operating system and have set the mode to Hibernate when battery becomes low, and ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 50
    ... is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence ... to "Intermittent problems" on page 47. 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 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 51
    ... sequence 1. DIMM. 2. System board. 1. Charge the backup battery for more than 8 hours by connecting the ac ... CMOS. Then restart the computer. 1. Charge the backup battery for more than 8 hours by connecting the ac ... Mini PCI network card. 2. System board. Chapter 4. Related service information 45
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 52
    ... blank, and no POST. FRU or action, in sequence 1. Make sure that every connector is connected tightly and correctly. 2. DIMM. 3. System board. 1. Reseat ... always lighted is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns. 46 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 53
    ... policy applies to all ThinkPad Notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide ..., in sequence System board. 1. Reseat the LCD connectors. 2. LCD assembly. 3. System board. 1. 2. 3. 4. See ... that no more errors exist. Undetermined problems If the diagnostic tests did not ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 54
    ... 6. 7. d. Battery pack e. Hard disk drive f. External diskette drive or optical drive g. DIMM h. Optical disk ... find the failing FRU. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU): a. System board b. LCD assembly 48 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 55
    ... standard or 802.11n) is on, and the radio link is ready for use. • Blinking green: Data is being transmitted. 4 Bluetooth wireless status • Green: Bluetooth wireless is on, and the radio link is ready for use. • Blinking green: Data is being transmitted. © Copyright Lenovo 2011, 2012 49
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 56
    ...5 Meaning Data is being read from or written to the hard disk drive. When this indicator is on, do not put the computer into sleep (standby) mode or turn ...(rapid): An error has occurred in the battery. • Off: The battery is fully charged or the battery is detached. 50 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 57
    ... to put the computer into hibernation mode or do-nothing mode (in Windows XP, shut ...drivers must be installed on the computer beforehand: • ThinkPad Power Management driver • OnScreen Display Utility..., the setting of the microphone mute button cannot be changed. © Copyright Lenovo 2011, 2012 51...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 58
    ... Computer display (LCD) Notes: 1. This function is not supported if different desktop images are displayed on ...+F12 for hibernation, you must have the ThinkPad PM device driver installed on the computer. Fn+... Magnifier function. Have the same function as the SysRq key. 52 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 59
    Table 7. Fn key combinations (continued) Key combination Fn+ScrLk Fn+Pause Fn+cursor keys Description Enable or disable the numeric keypad. The indicator of numeric lock will be displayed on the screen. Have the same function as the Break key. These key combinations are for use with Windows Media ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 60
    54 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 61
    ... can cause a reliability problem. In the ThinkPad notebook computer, this problem is addressed with special nylon-...: • They maintain tight connections. • They do not easily come loose, even ... torque screw drivers are calibrated correctly following country specifications. © Copyright Lenovo 2011,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 62
    ...the system board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or ...1. Set System Identification. 3. Select 1. Add S/N data from EEPROM. Follow the instructions on the screen. If the MTM and Product ID numbers differ ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 63
    ... same as the machine type of the machine that had the ECA applied to it. 1. Insert the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, ..., select 4. Write box build date from EEPROM, and follow the instruction on the screen. If the system board is being replaced, try to read the ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 64
    58 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 65
    ...sure to observe the following general rules: 1. Do not try to service any computer unless... Toolbox and Lenovo Solution Center (in Windows 7) have an automatic battery diagnostic that determines... is not installed in the computer, the customer should download this program before a non-physically damaged...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 66
    ... 1 . Holding the battery lock lever in the unlocked position 2 , remove the battery pack in the direction shown by arrow 3 . 1 2 3 When installing: Install the battery pack ... of ExpressCard blank bezel When you press the ExpressCard blank bezel 1 , it pops out 2 . 60 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 67
    1 2 When installing: Make sure that the bezel is correctly oriented as shown in the following figure. Removal steps of Media Card blank bezel When you press the Media Card blank bezel 1 , it pops out 2 . Chapter 8. Removing and replacing a FRU 61
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 68
    1 2 When installing: Make sure that the bezel is correctly oriented as shown in the following figure. 1030 Optical drive or travel cover For access, remove this FRU: • "1010 Battery pack" on page 59 62 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 69
    ...Black Torque 0.181 Nm (1.85 kgfcm) 2 3 1040 Thermal cover For access, remove this FRU: • "1010 Battery pack" on page 59 Removal steps of thermal cover Note: Loosen the screws 1 , but do not remove them. Chapter 8. Removing and replacing a FRU 63
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 70
    ... drive assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on page 63 Attention: • Do not drop the ... possible. • Never remove the drive while the computer is operating or is in suspend mode. 64 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 71
    Removal steps of HDD or SSD assembly 1 When installing: Make sure that the HDD or SSD connector is attached firmly. When installing: • Do not apply excessive force to the HDD or SSD bracket a . To do so, you might bend or break it. • Before installing an HDD or...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 72
    b Removal steps of HDD or SSD bracket 1 1 1 1 2 Step 1 Screw (quantity) M3 × 3.5 mm, flat-head (4) Color Silver Torque 0.392 Nm (4 kgfcm) 66 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 73
    ...For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover"... only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 ( a : lower slot... access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 74
    ... or deformation and imperfect contact with components. • Do not touch or apply any excessive ... fan assembly 1 When installing: Make sure that the fan connector is attached firmly to the system board. Note: ... models might have different numbers of screws in step 2 . 68 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 75
    ... amount of 0.2 grams, on the parts marked a as 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. For the new CPU thermal device, you need to peel the thin film off from the rubbers marked b . For models ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 76
    ... access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal ... 67 Attention: The CPU is extremely sensitive. When you service the CPU, avoid any kind of rough ...direction shown by arrow 1 to release the lock; then remove the CPU 2 . 1 a 2 70 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 77
    ... the CPU. 1090 SIM slot cover For access, remove this FRU: • "1010 Battery pack" on page 59 Removal steps of SIM slot cover Note: Loosen the screw 1 , but do not remove it. 1 2 Some models you are servicing might have the SIM card that the customer has installed. If the computer ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 78
    ...slot cover and PCI Express Mini Card for wireless WAN For access, remove this FRU: • "1010 Battery pack" on page 59 Removal steps of wireless WAN slot cover and PCI Express Mini Card for wireless WAN Note: Loosen the screw 1 , but do not remove it. 1 72 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 79
    2 In steps 3a and 3b , 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 arrows. 3b 3a 4 4 When installing: Plug the red cable into the jack labeled MAIN, and the blue cable into ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 80
    • "1010 Battery pack" on page 59 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical ... or is in suspend mode. Removal steps of mSATA solid state drive Note: Loosen the screw 1 , but do not remove it. 1 2 74 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 81
    ...) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 0.181 Nm (1.85 kgfcm) 1120 Palm rest assembly with cables For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel cover" on page 62 Chapter 8. Removing and replacing a FRU 75
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 82
    ...2 When installing: Make sure all the screws have been fastened to secure the palm rest. Step 1 2 Screw (quantity) M2 × 8 mm, flat-head, nylon-coated (1) M2 × 5 mm, flat-head, nylon-coated (6) Color Black Black Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 76 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 83
    ...When installing: Make sure that the speaker cable is not overlapped with the LCD cable connector. When installing: Attach the palm rest so that the two small projections of the palm rest a firmly fit into the guide holes of the keyboard bezel, and them press the front side of the ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 84
    ...the cables are attached firmly to the system board. 1130 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • "1010 Battery pack" on page 59 78 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 85
    ...75 Removal steps of PCI Express Mini Card for wireless LAN In step 1a and 1b , 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 arrows. 1b 1a 2 2 Step 2 Screw (quantity) M2 × 3...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 86
    ...jack labeled AUX on the card. 1140 Backup battery For access, remove these FRUs in order:...could ignite or explode. 1 2 When installing: Make sure that the battery connector is attached firmly to the system board... • "1120 Palm rest assembly with cables" on page 75 80 Hardware Maintenance Manual...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 87
    ...Color Black Torque 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector on bottom side of the card is attached firmly to the system board. ... Reader cable assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1020 ExpressCard blank bezel and Media ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 88
    Removal steps of Media Card Reader slot board and Media Card Reader cable assembly 1 1 When installing: Make sure that the Media Card Reader cable assembly is attached firmly to the system board and the Media Card Reader slot board. 2 2 3 82 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 89
    ...) M2 × 3 mm, flat-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) 1170 Keyboard For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel cover" on page 62 • "1120 Palm rest assembly with cables" on page 75 Removal steps of ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 90
    6 7 2 3 2 4 5 When installing: Make sure all the connectors are attached firmly to the system board. Step 6 7 Screw (quantity) M2 × 3 mm, flat-head, ..., gently press the keys with your palms and slightly slide the keyboard toward you until it snaps into position. 84 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 91
    ...Keyboard bezel For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel ... 83 Removal steps of keyboard bezel Note: Steps 2a and 3a are only for ThinkPad L520 models. For ThinkPad L420 and L421 models, skip steps 2a and 3a . 3 3 1 2 2 2 2a 2a 1 3a 3...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 92
    ...) M2 × 3 mm, flat-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connectors are attached firmly to the system board. 86 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 93
    8 8 1190 LCD unit For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel cover" on page 62 • "1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN" on page 72 • "1110 mSATA solid state drive" on page 73 • "1120 Palm ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 94
    ...boss. • Make sure that the speaker cable is not overlapped with the LCD cable connector. • Make sure that the connectors are attached firmly to the system board. In step 5 , release wireless antenna cables from the cable guides. 88 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 95
    For ThinkPad L520 models: 5 5 5 5 5 5 5 5 5 5 5 For ThinkPad L420 and L421 models: 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 When installing: Make sure that the cables are .... Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Chapter 8. Removing and replacing a ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 96
    ...Nm (4 kgfcm) 7 7 2010 Top shielding assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel cover" on page 62 • "1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN" on page 72 90 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 97
    ...LCD unit" on page 87 Removal steps of top shielding assembly For ThinkPad L520 models: 1 2 2 2 1 1 2 2 3 Step 1 2 Screw (quantity) M2 × 3 mm,...(5) Color Black Black Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: Chapter 8. Removing and replacing a FRU ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 98
    ... on a padded surface such as an ESD mat or a corrugated conductive surface. If the system supports PC-Doctor for DOS, after replacing the system board, run ... a horizontal surface. 2. Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. Attention: Do not apply physical ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 99
    ... wireless LAN" on page 78 "1140 Backup battery" on page 80 "1150 Bluetooth daughter card... major sensitive components on the system board in ThinkPad L420, L421, and L520 models The following components...side of the system board are extremely sensitive. When you service the system board, avoid any kind ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 100
    b d For ThinkPad L520 models with an integrated thermal module (top side view): a For ThinkPad L520 models with an integrated thermal module (bottom side view): b d For ThinkPad L420 and L421 models with a discrete thermal module (top side view): 94 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 101
    a For ThinkPad L420 and L421 models with a discrete thermal module (bottom side view): b c d For ThinkPad L520 models with a discrete thermal module (top side view): a For ThinkPad L520 models with a discrete thermal module (bottom side view): Chapter 8. Removing and replacing a FRU 95
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 102
    b c d Removal steps of system board assembly For ThinkPad L520 models: 1 1 1 1 Step 1 Screw (quantity) M2 × 5 mm, flat-head, nylon-coated (4) Color Black Torque 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: 1 1 96 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 103
    ... Black Torque 0.181 Nm (1.85 kgfcm) For ThinkPad L520 models: 2 2 3 For ThinkPad L420 and L421 models: 2 2 3 When installing: Make sure that the connectors are attached firmly to the system board. Chapter 8. Removing and replacing a FRU 97
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 104
    ... on page 87 • "2010 Top shielding assembly" on page 90 Removal steps of USB connector board and USB cable assembly 2 1 4 3 When installing: Make ...(1.85 kgfcm) Cable routing: Route the USB cable assembly as shown in the following figures. For ThinkPad L520 models: 98 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 105
    For ThinkPad L420 and L421 models: 2040 DC-in cable and base cover For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1020 ExpressCard blank bezel ... 92 Removal steps of DC-in cable and base cover For ThinkPad L520 models: Chapter 8. Removing and replacing a ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 106
    ...-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: 3 1 2 Step 1 Screw (quantity) M2 × 5 mm, flat...0.181 Nm (1.85 kgfcm) Cable routing: Route the cable as shown in the following figures. For ThinkPad L520 models: 100 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 107
    For ThinkPad L420 and L421 models: Applying labels to the base cover The new base cover FRU is shipped with a kit ...and product key were. When you replace the base cover, apply the following labels: 4 Battery word label 6 Homologation label The following labels need to be peeled off from...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 108
    For the location of each label, refer to the following figures: For ThinkPad L520 models: 1 2 3 4 13 12 11 5 6 7 10 8 9 For ThinkPad L420 and L421 models: 1 2 3 4 13 12 11 5 6 ..."1180 Keyboard bezel" on page 85 • "1190 LCD unit" on page 87 102 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 109
    ...sure that all the latches are attached firmly. Then secure the bezel with the screws. 2060 Speaker assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN" on page 72 • "1110 mSATA solid state...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 110
    ... Nm (1.85 kgfcm) 2070 Integrated camera For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1110 Wireless WAN slot cover and PCI Express Mini Card ... on page 87 • "2050 LCD front bezel" on page 102 • "2060 Speaker assembly" on page 103 104 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 111
    ... Torque 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached firmly. 2080 Antenna assembly For access, ... steps of antenna assembly Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges. For ThinkPad L520 models: Chapter 8. ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 112
    ... 1 1 1 1 For ThinkPad L420 and L421 models: 1 1 1 1 1 1 When installing: Route the cables as shown in the following figure. When you route the cables...to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. 106 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 113
    ... and LCD rear cover assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1110 Wireless WAN slot cover and PCI Express Mini... of hinges, LCD panel, LCD cable, and LCD rear cover assembly For ThinkPad L520 models: 1 1 1 1 Chapter 8. Removing and replacing a FRU 107
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 114
    Step 1 Screw (quantity) M2 × 5 mm, flat-head, nylon-coated (4) Color Black Torque 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: 1 1 Step 1 Screw (quantity) M2 × 5 mm, flat-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) 2 108 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 115
    3 4 3 3 4 3 Step 3 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (4) Color Black Torque 0.181 Nm (1.85 kgfcm) 5 6 7 When installing: Make sure that the LCD connector is attached firmly. Chapter 8. Removing and replacing a FRU 109
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 116
    110 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 117
    Chapter 9. Locations This chapter presents the locations of ThinkPad L420, L421, and L520 hardware components. ...stereo speakers 4 Power switch 5 ac power connector 6 ThinkVantage button 7 System status 4 5 7 8 9 10 ..., see Chapter 5 "Status indicators" on page 49. © Copyright Lenovo 2011, 2012 111
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 118
    ...of the computer. Bottom view 1 2 3 7 6 6 4 5 1 Battery pack 2 Battery pack latch 3 Docking connector (for some models) 4 Thermal slot cover1 1: 5 ExpressCard slot 6 Wireless ...drive, and thermal module are located underneath the thermal slot cover. 112 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 119
    ... that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container ... may be charged for the replacement CRU if Lenovo does not receive the defective part.... See your Lenovo Limited Warranty documentation for full details. ThinkPad computers contain...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 120
    • FRUs marked with OP are available as options. Overall 1 29 28 2 27 26 3 25 24 23 22 21 6 20 19 18 17 7 8 9 10 11 4 5 16 15 12 14 13 114 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 121
    Table 9. Parts list-Overall No. FRU (Overall) 1 2 2 3 3 4 LCD unit (see "LCD FRUs" on page 137.) Keyboard bezel assembly for 14W Keyboard bezel assembly for 15W Top shielding assembly for 14W Dock Top shielding assembly for 15W Dock 1-GB DDR3-1333 SDRAM SO-DIMM (PC3-10600) card • 7826-CTO, 32x, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 122
    ... cable assembly for 14W USB cable assembly for 15W USB connector board assembly DC-in cable for 14W DC-in cable for 15W Battery pack, 4 cell ...9 10 04W1743 04W1720 45M2861 45M2871 04W1744 45M2862 45M2863 42T4887 42T4883 42T4885 N N N N N N N * 116 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 123
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 10 Battery pack, 6 cell Li-ion (2.2 Ah) • 7826-CTO, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px..., 65x, 66x, 67x, 6Ax, 6Ex, 6Fx, 6Gx, 6Hx, 6Jx • 7860-CTO, 3Dx, 3Hx, 3Jx Battery pack, 6 cell Li-ion (2.6 Ah) • 7826-CTO, 32x, 33x, 35x, 36x, 37x, 38x, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 124
    ...9. Parts list-Overall (continued) No. FRU (Overall) 10 Battery pack, 6 cell Li-ion (10.4 Wh) •...-CTO • 5019-CTO • 7859-CTO • 7860-CTO Battery pack, 9 cell Li-ion (2.8 Ah) • 7826-... 10 42T4799 42T4801 42T4912 * 11 04W1737 N 11 04W1738 N 11 04W1739 N 118 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 125
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 11 Base cover assembly for 15W Dock, ROW • 5015-CTO, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex • 5016-CTO, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx, 4Mx, 4Nx, 4Px...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 126
    ... 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO 04W1271 * FRU no. CRU ID 12 04W0359 * 13 14 14 15 15 16 60Y4187 60Y4185 60Y4191 04W1718 75Y4677 60Y4805 60Y4815 75Y5121 75Y5185 75Y5337 75Y5345 75Y5377 75Y5383 * * * * * ** 120 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 127
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 16 SATA hard disk drive, 160 GB, 7,200 rpm, 7mmH • 7826-CTO • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO SATA hard disk drive, 250 GB, 5,400 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 128
    ... 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Gx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx FRU no. 41W0779 41W0787 75Y5045 75Y5035 75Y5325 75Y5387 75Y5373 75Y5357 CRU ID ** 16 04W1287 75Y5193 75Y5283 75Y5305 04W1298 75Y5333 ** 16 60Y4809 60Y4819 75Y5123 75Y5187 75Y5339 75Y5347 75Y5379 75Y5385 ** 122 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 129
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 16 SATA hard disk drive, 320 GB, 7,200 rpm, 7mmH • 7826-CTO, 3Cx, 3Dx, 3Ex, 3Nx, 3Px, 3Qx, 3Rx, 3Xx, 3Yx • 7827-CTO, 32x, 33x, 34x, 43x, 44x, 48x, 49x, 4Dx, 4Ex, 4Fx, 4Jx, 4Nx, 4Qx, 4Rx, 4Sx, 4Vx, 4Wx, 4Yx, 4Zx, 54x, 57x, 5Ax, 5Bx, 5Ex, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 130
    ... • 7827-CTO, 4Tx • 7829-CTO, 4Ax • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO, 34x, 35x • 5016-CTO, 54x, 55x • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO FRU no. 04W1309 CRU ID ** 16 04W1315 ** 16 04W1283 ** 16 04W1284 04W1267 75Y5257 ** 124 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 131
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 16 Hard disk drive tray • 7826-CTO • 7827-CTO, 6Ax • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Sierrawireless Gobi-3000 Wireless WAN card, WW SKU • ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 132
    ..., 4Hx, 4Nx, 4Px, 4Wx, 4Xx, 55x, 56x, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Wx, 5Xx, 5Yx, 5Zx, 63x, 64x, 65x, 66x, 67x, 6Ax, 6Ex, 6Fx, 6Gx, 6Hx, 6Jx • 7860-CTO, 3Dx, 3Hx, 3Jx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux FRU no. 60Y3267 CRU ID * 17 60Y3239 * 17 45N8259 * 126 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 133
    ... for 14W Dock and 15W Dock Thermal module with fan (discrete) for 14W Dock and 15W Dock Media Card Reader cable assembly Backup battery ThinkPad 11 b/g/n Wireless LAN Mini-PCI Express Adapter II • 7826-CTO, 34x, 35x, 36x, 3Cx,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 134
    ...7826-CTO • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO, 4Px, 5Kx, 5Lx, 5Mx, 5Nx, 63x, 64x, 65x, 66x, 6Hx, 6Jx • 7860-CTO FRU no. 60Y3253 CRU ID ** 22 60Y3241 ** 22 60Y3195 ** 128 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 135
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 22 Intel Centrino Advanced-N + WiMAX 6250, Russia SKU • 7826-CTO • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Bluetooth daughter card (BDC...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 136
    ... 3Jx, 3Mx, 3Sx CPU assembly, Intel Core i3-2330M Processor (2.20 GHz) ... 7860-CTO, 3Tx CPU assembly, Intel Core i3-2350M Processor (2.30 GHz) ... 7860-CTO, 3Ux CPU assembly, Intel Core i5-2410M Processor (2.30 GHz) ...CRU ID N 24 04W1891 N 24 04W1892 N 24 04W0496 N 130 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 137
    ... 3Cx, 3Kx, 3Lx, 3Rx 24 CPU assembly, Intel Core i5-2430M Processor (2.40 GHz) J1 • 7826..., 69x, 6Ax • 7860-CTO CPU assembly, Intel Core i5-2520M Processor (2.50 GHz) • 7826-..., 3Dx, 3Nx, 3Px, 3Qx CPU assembly, Intel Core i5-2540M Processor (2.60 GHz) • 7826-CTO, 37x, 3Ax, 3Sx • 7827-CTO, 33x, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 138
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 24 CPU assembly, Intel Core i7-2620M Processor (2.70 GHz) • 7826-CTO, 39x • 7827-CTO, 4Cx, 4Hx, 4Kx, 4Px... FRU no. 04W0494 CRU ID N 24 04W1894 N 24 04W1895 N 24 04W3399 N 132 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 139
    ..., 5Nx • 7860-CTO CPU assembly, Intel Core i7-2640M Processor (2.80GHz) • 7826-CTO • 7827-CTO • 7829-CTO • 7853-CTO ...7860-CTO CPU assembly, Intel Pentium Dual Core B960 Processor (2.2GHz) Q0 • 7826-CTO ...-CTO • 7860-CTO CPU assembly, Intel Core i3-2370M (2.40GHz) • 7826-CTO •...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 140
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 24 CPU assembly, Intel Core i5-2450M (2.50GHz) • 7826-CTO • 7827-CTO • 7829-CTO, ...CRU ID N 25 63Y1797 N 25 63Y1798 N 25 63Y1799 N 25 63Y1800 N 25 63Y1801 N 134 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 141
    Table 9. Parts list-Overall (continued) No. FRU (Overall) 25 System board assembly, HM65 14W non-docking, non-TPM, AUO4, without wireless WAN • 7826-CTO, 44x • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO, 3Jx, 3Kx, 3Px, 3Qx, 4Nx, 4Tx • 7856-CTO, 3Kx System board assembly, HM65 + AMD 1GB ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 142
    ...4Ax, 4Bx, 4Cx, 4Dx, 4Ex, 4Jx, 4Kx, 4Lx, 59x, 5Cx, 5Dx, 5Ex, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 68x, 69x, 6Dx • 7860-CTO, 3Kx, 3Lx, 3Mx, 3Px, 3Qx, 3Rx, 3Sx FRU no. 63Y1808 CRU ID N 26 26 04W1721 41N3045 03X6352 N * 27 04W1349 N 27 04W1350 N 27 04W1351 N 136 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 143
    ... ac power adapter (see "ac power adapters" on page 145.) Cover dock connector 04W1465 * 91P9642 * FRU no. 04W1352 CRU ID N 28 29 - - LCD FRUs In ThinkPad L420, L421, and L520, there are following types of LCDs. • 14.0-inch HD LED-backlight LCD (Table 10 "...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 144
    1 2 3 9 8 7 4 6 5 138 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 145
    Table 10. Parts list-14.0-inch HD LCD No. FRU (14.0-inch HD LCD) 1 2 LCD front bezel for 14W Integrated camera with microphone (1M) • 7826-CTO, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 42x...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 146
    ..., 4Ux, 4Vx, 4Wx, 4Xx, 52x, 53x, 54x, 55x, 56x, 59x, 5Cx, 5Dx, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5Tx, 5Ux, FRU no. 04W1736 04W0442 04W0443 04W0444 04W0445 CRU ID N N 2 60Y3329 N 3 4 5 6 7 04W1727 04W1733 04W1734 04W1723 60Y3334 04W1729 N N N N N 140 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 147
    Table 11. Parts list-15.6-inch HD LCD (continued) No. FRU (15.6-inch HD LCD) 5Vx, 5Wx, 5Xx, 5Yx, 5Zx, 63x, 64x, 65x, 66x, 67x, 68x, 69x, 6Ax, 6Cx, 6Dx, 6Ex, 6Fx, 6Gx, 6Hx, 6Jx, 6Kx • 7860-CTO, 32x, 35x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 148
    ... 45N2357 45N2360 45N2355 45N2354 45N2361 45N2362 45N2372 45N2379 45N2364 45N2365 45N2366 45N2367 45N2368 45N2369 63Y0227 45N2428 45N2429 45N2427 45N2430 45N2425 45N2424 45N2431 45N2432 45N2442 45N2449 45N2434 45N2435 45N2436 45N2437 45N2438 45N2439 63Y0229 CRU ID N 142 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 149
    ...6.5 mm (black), flat-head (8) • M3 × 3.5 mm (silver), flat-head (4) Seal kit: • Tape for LCD cable (large) • Tape S (cable fix) • Tape L (cable fix) • Screw cap, thin • Screw cap square Docking connector cover FRU no. 60Y4343 CRU ID N 60Y4344 N 04W1465 * Chapter 10. Parts list 143
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 150
    ...HDD rear) Gasket (long) Gasket (short) HDD guide (front) HDD rubber rail (front) HDD... slot cover • HDD cover • I/O sub bracket • Connector cap • Optical drive bracket Note: ...LCD miscellaneous parts: • Heat spreader for camera • ThinkPad logo • Lenovo logo • Label (camera) • Label (no...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 151
    ...ID * FRU no. 42T5282 42T4419 42T4423 45N0122 42T4427 42T4431 42T4435 42T4439 CRU ID * Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region: Chapter 10. Parts list 145
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 152
    ... Denmark • models -CTO, xxG European countries • models -CTO, xxG India • models -CTO, xxQ Israel • models -CTO, xxG Italy • models...valid Microsoft Windows XP Professional certificate of authenticity (COA) affixed to the system. Due to a Microsoft licensing 146 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 153
    limitation, if a model came with Windows XP Professional preinstalled from the factory, but has either a Windows 7 or Windows Vista COA affixed to the system, that model is eligible only for recovery DVDs that match the operating system specified on the COA. Windows XP Professional is preinstalled ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 154
    ...3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 43x, 45x, 46x, 47x, 48x • 7827-CTO, 5Yx, 5Zx • 7829-CTO • 7853-CTO • 7854-CTO, 47x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 52x, 53x, 55x, 57x, 58x • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO 148 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 155
    Table 23. Parts list-Windows 7 Home Basic (32 bit) recovery DVDs Language Arabic Brazil Portuguese French Indian English Portuguese Serbian-Latin Simplified Chinese Spanish Turkish US English P/N 04T3520 04T3521 04T3524 04T3523 04T3525 04T3527 04T3522 04T3526 04T3528 04T3529 CRU ID * Windows 7 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 156
    ...Hungarian Japanese Korean English Polish Portuguese Romanian Russian Serbian-Latin Simplified Chinese P/N 04T3534 04T3535 04T3559 04T3558 04T3557 04T3538 04T3539 04T3541 04T3540 04T3542 04T3544 04T3545 04T3546 04T3547 04T3548 04T3549 04T3550 04T3553 04T3536 CRU ID * 150 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 157
    Table 26. Parts list-Windows 7 Home Premium (64 bit) recovery DVDs (continued) Language Slovak Spanish Traditional Chinese Traditional Chinese (for Hong Kong S.A.R.) Turkish US English US English disable P/N 04T3551 04T3552 04T3537 04T3543 04T3554 04T3556 04T3555 CRU ID Windows 7 Professional (32 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 158
    ... English Polish Portuguese Romanian Russian Serbian-Latin Simplified Chinese Slovak P/N 04T3489 04T3490 04T3513 04T3514 04T3515 04T3493 04T3494 04T3495 04T3497 04T3496 04T3498 04T3500 04T3501 04T3502 04T3503 04T3504 04T3505 04T3506 04T3509 04T3491 04T3507 CRU ID * 152 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 159
    Table 28. Parts list-Windows 7 Professional (64 bit) recovery DVDs (continued) Language Spanish Traditional Chinese Traditional Chinese (for Hong Kong S.A.R.) Turkish US English US English disable P/N 04T3508 04T3492 04T3499 04T3510 04T3512 04T3511 CRU ID Windows 7 Starter (32 bit) DVDs Windows 7 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 160
    ... resistant torx bits Removal tool antenna RF connector USB 2.0 CD-RW/DVD-ROM combo ...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 P/N 95F3598 1650840 93F2838 00P6967 08K7159 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 161
    ... may not offer the products, services, or features discussed in this document in all countries. Consult ... intended for use in implantation or other life support applications where malfunction may result in injury... in this publication to non-Lenovo Web sites are provided for convenience only and do not...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 162
    ... other countries or both: Active Protection System Lenovo ThinkPad ThinkVantage ThinkLight TrackPoint UltraNav The... Intel Intel Intel Intel Intel Celeron Centrino Core Pentium Other company, product, or service names may be the trademarks or service marks of others. 156 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 163
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 164
    Part Number: 0A60342_05 (1P) P/N: 0A60342_05 *0A60342_05*



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Lenovo ThinkPad L520 Manual