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
    ...3. General checkout ...What to do first ...Checkout guide ...System supporting the Lenovo ThinkVantage Toolbox program and ... PC-Doctor for DOS diagnostics program ...System supporting the Lenovo diagnostics programs ...Power system ... password ... 39 39 40 40 40 41 41 © Copyright Lenovo 2011, 2012 i...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 4
    1170 Keyboard ...1180 Keyboard bezel ...1190 LCD unit ...2010 Top shielding assembly ...... view...Bottom view ... 111 111 112 112 Keyboard ...Miscellaneous parts ...ac power adapters ...Power ... A. Notices ...Electronic emissions notices ...Trademarks ... 155 156 156 ii Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 5
    ... MT 7826, 7827, 7829, 7853, 7854, and 7856 ThinkPad L520 MT 5015, 5016, 5017, 5019, 7859, and 7860 Use this ...the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 6
    iv Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 7
    ... information This chapter presents following safety information that you need to be familiar with before you service a ThinkPad Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide" on page 3 • "Handling ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 8
    ... the special safety precautions when you work with very high voltages; Instructions for these precautions are in the safety sections of maintenance information. Use extreme... above This practice ensures correct grounding of the units. • If an electrical accident occurs: 2 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 9
    ...potential safety hazards due to attachment of non-ThinkPad features or options not covered by this inspection ... the cover. 6. Check for any obvious non-ThinkPad alterations. Use good judgment as to the safety of any non-ThinkPad alterations. 7. Check inside the unit for any obvious unsafe conditions,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 10
    ..., ground braid, or green-wire ground. - When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. ... Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER 4 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 11
    DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5
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    DANGER 6 Hardware Maintenance Manual
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    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
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    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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    16 Hardware Maintenance Manual
  • 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. ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 24
    18 Hardware Maintenance Manual
  • 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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    22 Hardware Maintenance Manual
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    Chapter 1. Safety information 23
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  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 31
    ...obtaining or installing any software fixes, drivers, and BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.... To download software fixes, drivers, and BIOS, do as follows: 1. Go to http://www.lenovo.com/support. 2. Enter the product number of the computer or press Auto-...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 32
    ... drive is installed in the wireless WAN card slot of the computer. The Lenovo preloaded software is installed on the mSATA drive. Important notice ... 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 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 33
    ...). • PEW can be accessed at the following Web site: http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY ... is the same record found in PEW). • eSupport can be accessed at the following Web site: http://www.lenovo.com/support • To view the key commodities, do the following: 1. ...
  • 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
    ... guide" on page 30 - "System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for...DOS diagnostics program" on page 30 - "System supporting the Lenovo diagnostics programs" on page 34 ...connectors that have been cracked or broken by excessive force © Copyright Lenovo 2011, 2012 29
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 36
    ...-Doctor for DOS diagnostics program The section provides information about ThinkPad computers that support the Lenovo ThinkVantage Toolbox program and the PC-...the following Web site: http://www.lenovo.com/support To create the PC-Doctor diagnostic CD, follow the instructions on the Web site. For some...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 37
    ...DOS. The utility is available on the following Web site: http://www.lenovo.com/support PC-Doctor cannot be used to test a device that is in the docking station, even if ... appears, go to "Symptom-to-FRU index" on page 43. 4. When the ThinkPad logo comes up, immediately press F12 to ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 38
    ...be sensed. • Video Adapter test supports only the LCD display on the ThinkPad Notebook. If you have ...applicable function test. 11. Follow the instructions on the screen. If there is a problem, PC-Doctor shows messages ...Log Full Erase Hard Drive Quick Erase Hard Drive 32 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 39
    ...1. Diagnostics ➙ CPU/Coprocessor 2. Diagnostics ➙ Systemboard 3. If the docking station or the port replicator is attached to the ThinkPad computer, detach it. 4. Place the computer on a horizontal surface, and run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. Note: Do not...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 40
    ... following: • Interactive Tests ➙ Mouse TrackPoint or pointing device System supporting the Lenovo diagnostics programs The section provides information about ThinkPad computers that support the Lenovo diagnostics programs. Some descriptions might not apply to...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 41
    ... can download the quick test programs from the Lenovo Support Web site. • The two programs ... code descriptions and troubleshooting hints. 2. When the ThinkPad logo is displayed, repeatedly press and... can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 42
    ...page 43 for error code descriptions and troubleshooting hints. 3. When the ThinkPad logo is displayed, repeatedly press and release the F12 ...for error code descriptions and troubleshooting hints. 2. Insert the CD into the optical drive. 3. Restart the computer. 4. When the ThinkPad logo is displayed,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 43
    ... in the computer. Perform operational charging. If the battery status indicator or icon does not ... pack from being overcharged or from having a shortened life. To check your battery, move your cursor ... not click), and the percentage of battery power remaining is displayed. To get detailed information ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 44
    ... pack and measure the voltage between battery terminals 1 (+) and 7 (-). See the following figure:... K Ω. If the resistance is not correct, replace the battery pack. If the resistance is correct, replace ... discharges quickly after replacement, replace the system board. 38 Hardware Maintenance Manual...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 45
    ... 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 ... the Operating System Recovery Disc into the DVD drive. © Copyright Lenovo 2011, 2012 39
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 46
    ...begin the operating system recovery process. 7. Insert the Applications and Drivers Recovery Disc when prompted and then click OK to ... to reinstall some device drivers. Passwords As many as three passwords may be needed for any ThinkPad Notebook: the power-on password (POP), the hard-disk password (...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 47
    ...been set and is known by the service technician: 1. Turn on the computer. 2. When the ThinkPad logo comes up,.... Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter ... nor Lenovo authorized service technicians provide any services to reset the user HDPs...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 48
    ...HDP are known, do the following: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press .... Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter ... scheme) appears. 2. Select Power off display (keep current power plan) (in Windows...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 49
    ...the hard disk. • The system is powered off. Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it before resuming normal ... the timer, and if the user does not do any operation with the keyboard, the TrackPoint, the hard disk drive...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 50
    ...go 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 ... requested. 0210 Stuck Key (two short beeps) 0211 Keyboard error (two short beeps) 0230 Shadow RAM error-...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 51
    ... 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 ... date. 3. System board. 1. Charge the backup battery for more than 8 hours by connecting the ac...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 52
    ... a small number of dots that are missing, discolored, or 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
    ... applies to all ThinkPad Notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide ... that no more errors exist. Undetermined problems If the diagnostic tests did not... of the following devices: a. Non-ThinkPad devices b. Devices attached to the docking station or the port replicator...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 54
    ... internal drive i. PC Cards Turn on the computer. Determine whether the problem has been solved. If the ... time until you find the failing FRU. If the problem remains, replace the following FRUs one at ...do not replace a nondefective FRU): a. System board b. LCD assembly 48 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 55
    ... 6. Status indicators Indicator 1 Meaning By default, when the numeric lock is on, the indicator is displayed on the screen. Numeric lock 2 Power on • Green: The computer is ...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
    ... reaches 20%, the blinking color changes to green. • Blinking orange: The battery is charged between 0% to 5% of the capacity. • Blinking orange (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
    ...key combination, you must have the ThinkPad PM device driver installed on the computer. 2. If ...key combination, you must have the ThinkPad PM device driver installed on the computer. 2. If ...802.11, the following device drivers must be installed on the computer beforehand: • ThinkPad Power Management...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 58
    ... than four seconds. Note: To use Fn+F12 for hibernation, you must have the ThinkPad PM device driver installed on the computer. Fn+PgUp Turn the ThinkLight® on or off. Note: This function is supported only on the ThinkPad Notebooks that have the ThinkLight. The on or off status of the ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 59
    ... (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 Player. They have the ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 60
    54 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 61
    ... before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad notebook computer, this problem is addressed with special nylon-coated ...• Ensure torque screw drivers are calibrated correctly following country specifications. © Copyright Lenovo 2011, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 62
    ... board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, ... the system board, restore the serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 63
    ... machine, the EEPROM must be updated to reflect the ECA's application. Use the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later to... 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, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 64
    58 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 65
    ... Important notice for replacing a battery pack: • The Lenovo ThinkVantage Toolbox and Lenovo Solution Center (in Windows 7) have an automatic battery diagnostic that determines if ... reporting a possible safety issue. • If Lenovo ThinkVantage Toolbox or Lenovo Solution Center is not ...
  • 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
    ...) M2 × 8 mm, flat-head, nylon-coated (1) Color 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 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 70
    ...access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal ...loss of data. • Before removing the drive, have the user make a backup copy of all the information ...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 SSD assembly into models with ...
  • 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
    ... the fan connector is attached firmly to the system board. Note: Loosen the screws 2a to 2d in order, but do not remove them. When you attach the fan, secure the screws in order. 2c 2a 2d 2b Note: Different 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
    ...1090 SIM slot cover For access, remove this FRU: • "1010 Battery pack" on page 59 Removal steps of SIM ... 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 you are servicing has the SIM card, remove it before you start...
  • 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 ...permanent loss of data. • Before removing the drive, have the user make a backup copy of all the information on ...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
    ... 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 palm rest downward until it clicks into place. Refer to ...
  • 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
    • • "1030 Optical drive or travel cover" on page 62 "1120 Palm rest assembly with cables" on page 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 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 86
    ... the jack labeled AUX on the card. 1140 Backup battery For access, remove these FRUs in order: • ...the parts list for your computer. Any other battery could ignite or explode. 1 2 When installing: Make sure ... 62 • "1120 Palm rest assembly with cables" on page 75 80 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 87
    ...attached firmly to the system board. 1160 Media Card Reader slot board and Media Card Reader cable assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1020 ExpressCard blank bezel and Media Card blank bezel" on page 60 • "1030 Optical drive or travel cover" on...
  • 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
    ... (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 •... "1120 Palm rest assembly with cables" on page 75 Removal steps of keyboard 1 When installing: Make sure the screw has been fastened to secure ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 90
    ...under the frame as shown in the following figure. To make sure that the front side of the keyboard is housed firmly, 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
    ... for wireless LAN" on page 78 • "1170 Keyboard" on page 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
    ...kgfcm) 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 5 6 4 7 4 5 6 Step 4 Screw (quantity) 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
    ... unit For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or ... "1130 PCI Express Mini Card for wireless LAN" on page 78 • "1170 Keyboard" on page 83 • "1180 Keyboard bezel" on page 85 Removal steps of LCD unit 1 1 Step 1 Screw (quantity) M2.5 × ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 94
    2 Note: This step 2 is only required for L520 models. 3 3 4 When installing: • Make sure that the edge of the rectangular hole on the LCD cable is ... 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 ...any tension. 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
    ... bezel" on page 85 "1190 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 ... 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: Chapter 8. Removing and replacing...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 98
    ...mat or a corrugated conductive surface. If the system supports PC-Doctor for DOS, after replacing ...Place the computer on a horizontal surface. 2. Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test....these FRUs in order: • "1010 Battery pack" on page 59 92 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 99
    ... sensitive components on the system board in ThinkPad L420, L421, and L520 models The following components ... discrete models) d Platform Controller Hub (PCH) For ThinkPad L420 and L421 models with an integrated thermal module (top side view): a For ThinkPad L420 and L421 models with an integrated ...
  • 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
    ...) M2 × 5 mm, flat-head, nylon-coated (2) Color 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. ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 104
    ... Media Card Reader slot board and Media Card Reader cable assembly" on page 81 • "1170 Keyboard" on page 83 • "1180 Keyboard bezel" on page 85 • "...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 ... "1180 Keyboard bezel" on page 85 • "1190 LCD unit" on page 87 • "2010 Top shielding ...System board assembly" on page 92 Removal steps of DC-in cable and base cover For ThinkPad L520 models: Chapter 8. Removing and replacing ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 106
    ..., flat-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 ... 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 containing... 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 ... "1180 Keyboard bezel" on page 85 • "1190 LCD unit" on page 87 102 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 109
    ... assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1110 Wireless WAN slot cover..."1130 PCI Express Mini Card for wireless LAN" on page 78 • "1170 Keyboard" on page 83 • "1180 Keyboard bezel" on page 85 • "1190 LCD unit" on page 87 • "2050 LCD front bezel"...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 110
    ... 75 • "1130 PCI Express Mini Card for wireless LAN" on page 78 • "1170 Keyboard" on page 83 • "1180 Keyboard bezel" on page 85 • "1190 LCD unit" 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
    ... "1130 PCI Express Mini Card for wireless LAN" on page 78 • "1170 Keyboard" on page 83 • "1180 Keyboard bezel" ... 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. Removing and replacing a FRU...
  • 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
    ... 75 • "1130 PCI Express Mini Card for wireless LAN" on page 78 • "1170 Keyboard" on page 83 • "1180 Keyboard bezel" on page 85... on page 105 Removal steps 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. Front view 1 2 3 19 3 17 16 15 18 14 6 13 12 11 1 Integrated camera 2 Built-in microphone 3 Built-in stereo speakers 4...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 118
    ... is located on the right side 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 ... DIMM, hard disk drive, and thermal module are located underneath the thermal slot cover. 112 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 119
    ...thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details. ThinkPad computers contain the following types of CRUs: - Self-service CRUs: These CRUs unplug or are held by no more than...
  • 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
    ...Keyboard bezel assembly for 14W Keyboard bezel assembly for 15W Top shielding assembly for 14W Dock Top shielding assembly ... 42x, 43x, 48x, 49x, 4Ax • 5019-CTO • 7859-CTO, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx • 7860-CTO, 39x 2-... 4Px, 4Rx, 4Tx, 4Ux, 4Vx • 5019-CTO • 7859-CTO, 3Dx, 3Ex, 3Kx, 3Lx, 3Mx,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 122
    ...4Lx, 4Qx, 4Sx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x, 36x,... • 5016-CTO, 5Px, 63x, 64x • 5017-CTO • 5019-CTO • 7859-CTO, 5Jx • 7860-CTO FRU no. 55Y3717 ... 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
    ...4Tx, 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx,...6Ex, 6Fx, 6Gx, 6Hx, 6Jx • 7860-CTO, 3Dx, 3Hx, 3Jx Battery pack, 6 cell Li-ion...4Jx, 4Kx, 4Lx, 4Mx, 4Nx • 5019-CTO • 7859-CTO, 35x, 36x, 37x, 38x, 39x,...68x, 69x, 6Bx, 6Cx, 6Dx, 6Kx, 6Lx • 7860-CTO, 35x, 36x, 37x, 38x, 39x...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 124
    ... • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Battery pack, 9 cell Li-ion (2.8 Ah) • ... 44x, 45x, 46x, 47x • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 5Bx • 7860-CTO, 32x, 33x, 34x Base cover assembly for 14W Dock • 7826-CTO, 32x,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 125
    ...4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x, 36x, 37x,..., 5Px • 5017-CTO, 32x, 33x, 4Px • 5019-CTO • 7859-CTO • 7860-CTO, 3Jx DVD-RAM/RW drive • 7826-CTO, 32x, 33x, 34x, 35x, 36x,..., 4Tx, 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x, 36x, 37x,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 126
    ... 64x • 5017-CTO • 5019-CTO • 7859-CTO, 67x • 7860-CTO Travel cover •...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO SIM slot cover with...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO 04W1271 * FRU no. ... ID 12 04W0359 * 13 14 14 15 15 16 60Y4187 60Y4185 60Y4191 04W1718...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 127
    ...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO SATA hard disk drive,..., 5Yx, 64x • 5017-CTO • 5019-CTO • 7859-CTO, 3Tx, 4Nx, 4Px, 55x, ..., 5Yx, 64x • 5017-CTO • 5019-CTO • 7859-CTO, 3Tx, 4Nx, 4Px, 55x, ...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO FRU no. 04W1290 04W1293...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 128
    ... 4Sx, 4Tx, 4Ux, 4Vx • 5019-CTO • 7859-CTO, 3Sx, 4Hx, 4Mx, 4Yx, ... 4Sx, 4Tx, 4Ux, 4Vx • 5019-CTO • 7859-CTO, 3Sx, 4Hx, 4Mx, 4Yx, ...4Gx, 4Jx, 4Kx, 4Nx • 5019-CTO • 7859-CTO, 35x, 36x, 37x, 38x,...60Y4809 60Y4819 75Y5123 75Y5187 75Y5339 75Y5347 75Y5379 75Y5385 ** 122 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 129
    ...49x, 4Ax, 4Gx, 4Jx, 4Kx, 4Nx • 5019-CTO • 7859-CTO, 35x, 36x, 37x, 38x, 3Dx, 3Ex,..., 4Bx, 4Cx, 4Dx, 4Ex, 4Fx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 39x, 3Ax, 3Bx,...-CTO • 5015-CTO • 5016-CTO • 5017-CTO, 4Wx, 4Xx • 5019-CTO • 7859-CTO • 7860-CTO FRU no. 04W1291 04W1294 75Y5197 75Y5287 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 130
    ...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO SATA hard disk drive,...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO SATA solid state ...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO SATA solid state ..., 55x • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO FRU no. 04W1309 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 131
    ...CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Sierrawireless Gobi-3000 ...CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Sierrawireless Gobi-3000 ... • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Ericsson F5521gw Wireless...-CTO, 4Kx, 4Lx • 5019-CTO • 7859-CTO, 44x, 45x, 48x, 49x...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 132
    ..., 5Lx, 5Mx • 5017-CTO, 4Lx • 5019-CTO • 7859-CTO, 59x, 5Dx, 5Ex, 5Qx, 6Dx • 7860-CTO Huawei EM660 ...• 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO mSATA solid state drive, 80GB... FRU no. 60Y3267 CRU ID * 17 60Y3239 * 17 45N8259 * 126 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 133
    ...5017-CTO, 4Px, 4Qx, 4Rx, 4Sx • 5019-CTO • 7859-CTO, 4Hx, 4Nx, 4Px, 4Wx, 4Xx, 55x...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... 4Tx, 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x, 36x, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 134
    ..., 4Hx, 4Jx, 4Kx, 4Lx • 5019-CTO • 7859-CTO, 39x, 3Ax, 3Bx, 3Ux, 3Vx, ... 5017-CTO, 4Mx, 4Nx • 5019-CTO • 7859-CTO, 52x, 53x, 54x, 55x, ... 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO, 4Px, 5Kx, 5Lx, 5Mx, ... no. 60Y3253 CRU ID ** 22 60Y3241 ** 22 60Y3195 ** 128 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 135
    ...-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Bluetooth daughter card (BDC-3.0) • ..., 4Tx, 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x, 36x, ..., 68x, 69x, 6Bx, 6Cx, 6Dx, 6Kx, 6Lx • 7860-CTO, 32x, 33x, 34x, 35x, 36x, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 136
    ... 3Gx, 3Hx, 3Jx, 3Mx, 3Sx CPU assembly, Intel Core i3-2330M Processor (2.20 GHz) J1 • 7826-... 5Rx, 5Yx, 5Zx, 63x, 64x • 7860-CTO, 3Tx CPU assembly, Intel Core i3-2350M Processor (2.30 GHz)... 6Fx, 6Gx, 6Hx, 6Jx, 6Kx • 7860-CTO, 3Ux CPU assembly, Intel Core i5-2410M Processor (2.30 GHz) • 7826-CTO,...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 137
    ... • 5019-CTO • 7859-CTO, 5Qx, 5Sx, 5Tx, 69x, 6Ax • 7860-CTO CPU assembly, Intel Core i5-2520M Processor (2.50 GHz) • 7826-CTO, 32x, 33x, 34x, 35x, ...7860-CTO, 34x, 35x, 3Dx, 3Nx, 3Px, 3Qx CPU assembly, Intel Core i5-2540M Processor (2.60 GHz) • 7826-CTO, 37x, 3Ax, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 138
    ... 4Jx • 5019-CTO • 7859-CTO, 39x, 44x, 45x, 46x, 47x • 7860-CTO CPU...-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO CPU assembly, Intel Pentium...CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO CPU assembly, Intel ...CTO • 5019-CTO • 7859-CTO, 5Wx, 5Xx, 65x, 66x, 67x • 7860-CTO ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 139
    ... 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO CPU assembly, Intel Pentium Dual Core B960 Processor (2.2GHz) Q0 • 7826-CTO • ...-CTO • 5017-CTO, 4Tx • 5019-CTO • 7859-CTO • 7860-CTO CPU assembly, Intel Core i3-2370M (2.40GHz) • 7826-CTO • 7827-CTO • 7829-CTO, 59x, 5Ax, ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 140
    ...(continued) No. FRU (Overall) 24 CPU assembly, Intel Core i5-2450M (2.50GHz) • 7826-CTO • 7827-CTO • 7829-CTO, 55x, 57x, 5Bx, 5Cx ..., 4Wx, 4Xx • 5019-CTO • 7859-CTO, 6Bx, 6Cx, 6Dx, 6Ex, 6Lx • 7860-CTO System board assembly, HM65 integrated 14W Dock, TPM, AUO4, without ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 141
    ... 5017-CTO, 4Px, 4Qx, 4Rx, 4Sx • 5019-CTO • 7859-CTO, 4Hx, 4Nx, 4Px, 4Wx, 4Xx, 55x,...CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO, 3Hx System board assembly, HM65 integrated 15W Dock, TPM, AUO4,..., 4Tx, 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x, 36x, 37x...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 142
    ... • 5017-CTO, 4Px • 5019-CTO • 7859-CTO • 7860-CTO Palm rest assembly without fingerprint reader for 14W Dock • ..., 4Ux, 4Vx, 4Wx, 4Xx • 5019-CTO • 7859-CTO, 3Ax, 3Bx, 3Sx, 3Tx, ... 41N3045 03X6352 N * 27 04W1349 N 27 04W1350 N 27 04W1351 N 136 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 143
    ... * 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...Table 11 "Parts list-15.6-inch HD LCD" on page 140) • 15.6-inch HDx, LED-backlight LCD (Table 12 "Parts ...
  • 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
    ...FRU no. CRU ID Table 11. Parts list-15.6-inch HD LCD No. FRU (15.6-inch HD LCD) 1 2 LCD front bezel for 15W Integrated camera with microphone (1M) •...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
    ...-15.6-inch HD LCD (continued) No. FRU (15.6-inch HD LCD) 5Vx, 5Wx, 5Xx,..., 3Rx, 3Sx, 3Tx, 3Ux 8 LCD module, 15.6-inch HD anti-glare • 5015-CTO, ...CRU ID 9 04W1726 N Table 12. Parts list-15.6-inch HD+ LCD No. FRU (15..., 5Zx • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Wireless WAN antenna set ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 148
    ... list-15.6-inch HD+ LCD (continued) No. FRU (15.6-inch HD+ LCD) 7 LCD cable, HD + ...5Bx, 5Ex, 5Sx, 6Bx, 6Lx • 7860-CTO, 33x, 34x, 36x LCD module, 15.6-inch HD+ anti-glare • 5015-CTO • 5016-... 45N2449 45N2434 45N2435 45N2436 45N2437 45N2438 45N2439 63Y0229 CRU ID N 142 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 149
    Table 13. Parts list-Keyboard (continued) Language Italian Japanese Korean Latin American Spanish Norwegian Polish Portuguese Russian Slovak Slovenian ...) • Tape L (cable fix) • Screw cap, thin • Screw cap square Docking connector cover FRU no. 60Y4343 CRU ID N 60Y4344 N 04W1465 * Chapter ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 150
    ..., black (SIM) • SIM card bracket • Eject sheet • USB gascket LCD miscellaneous parts: • Heat spreader for camera • ThinkPad logo • Lenovo logo • Label (camera) • Label (no camera) • Label (LED) • Tape cable fix (10 × 38) • LCD ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 151
    Table 15. Parts list-Miscellaneous parts (continued) FRU • Alpet sheet for LCD • Gasket for LCD • Screw cap, .... 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 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 152
    ... 42T5183 42T5093 42T5099 CRU ID * Recovery discs Windows XP Professional DVDs Note: The Windows XP Professional recovery DVDs are available only ... 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
    ... • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Table 20. Parts list-Windows XP Professional ... 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Chapter 10. Parts list 147
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 154
    ...CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Table 22. Parts list-Windows Vista Home Basic (32 bit) ..., 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
    ... • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Table 24. Parts list-Windows 7 Home Basic... • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Chapter 10. Parts list 149
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 156
    ..., 3Ux, 3Vx, 4Cx, 4Dx • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Table 26. Parts list-Windows 7 Home Premium (64 bit) recovery DVDs ... 04T3544 04T3545 04T3546 04T3547 04T3548 04T3549 04T3550 04T3553 04T3536 CRU ID * 150 Hardware Maintenance Manual
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 157
    ...CRU ID Windows 7 Professional (32 bit) DVDs Windows 7 Professional (32 bit) is preinstalled...-CTO, 42x, 45x • 5019-CTO • 7859-CTO, 4Hx, 4Nx, 4Px, 55x..., 6Ex, 6Fx, 6Gx, 6Hx, 6Jx • 7860-CTO, 3Lx, 3Mx Table 27... ID * Windows 7 Professional (64 bit) DVDs Windows 7 Professional (64 bit) is preinstalled...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 158
    ...4Rx, 4Sx, 4Vx, 4Wx • 5019-CTO • 7859-CTO, 32x, 33x, 34x, 35x,..., 6Bx, 6Cx, 6Dx, 6Kx, 6Lx • 7860-CTO, 32x, 33x, 34x, 35x,...-Windows 7 Professional (64 bit) recovery DVDs Language Arabic Brazil Portuguese C&L Nordics ... 04T3505 04T3506 04T3509 04T3491 04T3507 CRU ID * 152 Hardware Maintenance Manual...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 159
    ... • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Table 29. Parts list-Windows 7 Ultimate (...• 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO Chapter 10. Parts list 153
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 160
    ... diskette drive tool kit 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 P/N 95F3598 1650840 93F2838 00P6967 08K7159 40Y8687 40Y8704 ...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 161
    ... any Lenovo intellectual property right may be used instead. However, it is the user's responsibility ... Web sites are not part of the materials for this Lenovo product, and use of those Web .... Users of this document should verify the applicable data for their specific environment. © Copyright Lenovo...
  • Lenovo ThinkPad L520 | Hardware Maintenance Manual - Page 162
    ...of Lenovo in the United States, other countries or both: Active Protection System Lenovo ThinkPad ThinkVantage ThinkLight TrackPoint UltraNav The following terms are trademarks of the Microsoft group of companies: Microsoft Windows Windows Vista The following...
  • 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