Lenovo L421 manuale d’uso

Har dwar e Maint enance Manual ThinkP ad L420, L421, and L520[...]

Note Before using this information and the pr oduct it supports, be sur e to read the gener al information under Appendix A “Notices” on page 165 . Second Edition (April 2011) © Copyright Lenovo 2011. LIMITED AND RES TRICTED RIGHTS NO TICE: If data or softwar e is delivered pursuant a Gener al Services Administr ation “GSA ” contr act, use[...]

Contents About this manual . . . . . . . . . . . iii Chapter 1. Safety information . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3 Handling devices that ar e sensitive t o electr ostatic discharge . . . . . . . . . . . . . . . . . . 3 Gr[...]

1180 Keyboar d bez el . . . . . . . . . . . . 85 1190 L CD unit . . . . . . . . . . . . . . . 87 2010 T op shielding assembly . . . . . . . . . 90 2020 System boar d assembly . . . . . . . . . 93 2030 USB connector boar d and USB cable assembly . . . . . . . . . . . . . . . . . 98 2040 DC-in cable and base cover . . . . . . . 100 2050 L CD fr ont b[...]

About this manual This manual contains service and r eference information for the following ThinkP ad ® Notebook products. ThinkPad L420 Machine T ype (MT) 7826, 7827, 7829, 7853, 7854, and 7856 ThinkPad L421 MT 7826, 7827, 7829, 7853, 7854, and 7856 ThinkPad L520 MT 5015, 5016, 5017, 5019, 7859, and 7860 Use this manual along with the advanced di[...]

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Chapter 1. Safety information This chapter presents following safety information that you need t o 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 devices that are sensitive t o electr ostatic dischar ge” o[...]

Electrical safety Observe the following rules when working on electrical equipment. Important: Use only appr oved t ools and test equipment. Some hand t ools have handles covered with a soft material that does not insulat e you when working with live electrical curr ents. Many cust omers have, near their equipment, rubber oor mats that contain s[...]

– Use caution; do not become a victim yourself. – Switch off power . – Send another person t o get medical aid. Safety inspection guide The purpose of this inspection guide is t o assist you in identifying potentially unsafe conditions. As each machine was designed and built, requir ed safety items were installed t o protect users and service[...]

2. Make sure that the ESD prot ective devices you use have been certied (ISO 9000) as fully effective. When handling ESD-sensitive parts: • K eep the parts in prot ective packages until they ar e insert ed into the product. • A void contact with other people. • W ear a gr ounded wrist str ap against your skin to eliminat e static on your b[...]

DANGER DANGER DANGER DANGER DANGER Chapter 1 . Safety information 5[...]

DANGER 6 Hardwar e Maintenance Manual[...]

PERIGO PERIGO PERIGO Chapter 1 . Safety information 7[...]

PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardwar e Maintenance Manual[...]

DANGER DANGER DANGER DANGER DANGER Chapter 1 . Safety information 9[...]

DANGER DANGER DANGER VORSICHT VORSICHT 10 Hardwar e Maintenance Manual[...]

VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 . Safety information 11[...]

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Chapter 1 . Safety information 13[...]

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PELIGRO Chapter 1 . Safety information 15[...]

PELIGRO PELIGRO PELIGRO PELIGRO PELIGRO PELIGRO 16 Hardwar e Maintenance Manual[...]

PELIGRO Chapter 1 . Safety information 17[...]

Laser compliance statement (multilingual tr anslations) The laser compliance stat ements in this section are pr ovided in the following languages: • English • Ar abic • Br azilian P ortuguese • F r ench • German • Hebr ew • Japanese • K orean • Spanish • T r aditional Chinese 18 Hardwar e Maintenance Manual[...]

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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Chapter 2. Important service information This chapter pr esents following important service information that applies t o all machine types supported by this manual: • “Str ategy for r eplacing FRUs” on page 25 – “Str ategy for replacing a hard disk drive” on page 26 – “Important notice for r eplacing a system boar d” on page 26 ?[...]

• If an adapter or a device consists of mor e than one FRU , any of the FRUs may be the cause of the err or . Before replacing the adapter or device, r emove the FRUs, one by one, to see if the symptoms change. Replace only the FRU that changed the sympt oms. Attention: The setup congur ation on the computer you ar e servicing may have been cu[...]

• eSupport will show both the CT O and CMV machine type models (Example: 1829-C T O and 1829-W15 will be found on the eSupport site.) • The HMM will have the 4-digit MT and 3-digit C TO model only (Example: 1829-C TO). Again, CMVs are custom models and are not found in the HMM. General Announce V ariant (GA V) This is a standard model (x ed [...]

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Chapter 3. Gener al checkout This chapter pr esents following information: • “What to do rst” on page 29 • “Checkout guide” on page 30 – “Diagnostics using PC-Doctor for DOS” on page 30 – “L enovo ThinkV antage T oolbox” on page 33 – “FRU tests” on page 33 • “P ower system check out” on page 34 The description[...]

• Scr atched (cosmetic) parts • Dist ortion, deformation, or discolor ation of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cr acked or broken by e xcessive for ce • Damage caused by liquid spilled int o the system • Damage caused by the impr oper insertion of a PC Car d or the installation of an incompa[...]

Note: When you initializ e the comput er congur ation, some devices are disabled, such as the serial port. If you test one of these devices, you will need t o enable it by using Congur ation utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support PC-Doctor cannot be used to t est a device that is in [...]

Diagnostics Interactive T ests • Run Normal T est • Run Quick T est • CPU/Coprocessor • Systemboar d • Video Adapter • Serial P orts • Fixed Disks • Diskette Drives • Other Devices • Wireless LAN • Advanced Memory T ests • Keyboar d • Video • Internal Speaker • Mouse • Diskette • System Load • Optical Drive T est[...]

Lenovo ThinkV antage T oolbo x Lenovo ThinkV antage ® T oolbo x is a diagnostic progr am that works thr ough the Windows ® oper ating system. It enables you t o view sympt oms of computer pr oblems and solutions for them, and includes aut omatic notication when action is r equired, computing assistance, advanced diagnostics, and diagnostic his[...]

T able 1. FRU tests (continued) FRU Applicable t est Optical drive 1. Diagnostics ➙ Other Devices ➙ Optical Drive 2. Int eractive T ests ➙ Optical Drive T est Memory 1. If two DIMMs ar e installed, r emove one of them and run Diagnostics ➙ Advanced Memory T ests . 2. If the pr oblem does not recur , r eturn the DIMM to its place, remove the[...]

Pin V oltage (V dc) 1 +20 2 0 3 Ground 1 2 3 (20V) Note: Output voltage of pin no.2 of the ac power adapter may differ ent from the one you are servicing. 3. If the voltage is not correct, r eplace the ac power adapt er . 4. If the voltage is acceptable, do the following: • Replace the system boar d. • If the problem persists, go to “FRU test[...]

T erminal V oltage (V dc) 1 + 0 to + 12.6 7 Ground (-) 1(+) 2(+) 3 4 5 6(-) 7(-) 3. If the voltage is less than +11.0 V dc, the battery pack has been discharged. Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +11.0 V dc after rechar ging, r eplace the battery . 4. If the voltag[...]

Chapter 4. Related service information This chapter pr esents following information: • “Restoring the fact ory contents by using Recovery Disc Set” on page 37 • “P asswords” on page 38 • “P ower management” on page 40 • “Symptom-t o-FRU index” on page 41 Service Web site: When the latest maint enance diskette and the syst em[...]

3. Pr ess F10 t o save the Setup Utility conguration changes. F ollow the instructions on the screen to begin the recovery process. 4. Select your language and click Next . 5. Read the license. If you agree with the terms and conditions, select I accept these terms and conditions and then click Ne xt . If you do not agr ee with the terms and con[...]

Attention: If the user HDP has been forgott en, check whether a master HDP has been set. If it has, it can be used for access to the har d disk drive. If no mast er HDP is available, neither L enovo nor Lenovo authoriz ed service technicians provide any services to r eset either the user or the master HDP , or t o r ecover data fr om the har d disk[...]

T o r emove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. T urn on the comput er . 2. When the ThinkP ad logo comes up, immediately press F1 to ent er BIOS Setup Utility . F or models supporting the P assphrase function, pr ess F1 while HDP icon is appearing on the scr een; then enter the master[...]

Note: E ven if you do not set the low-batt ery alarm, the char ge indicator noties you when the battery is low , and then the comput er enters the power -saving mode automatically . T o cause the comput er t o return fr om sleep (standby) mode and r esume oper ation, do one of the following: • P ress the Fn key . • Open the L CD cover . • [...]

• “Error messages” on page 44 • “No-beep symptoms” on page 44 • “L CD-relat ed symptoms” on page 44 • “Intermitt ent problems” on page 45 • “Undetermined pr oblems” on page 45 The symptom-to-FRU inde x in this section lists symptoms and errors and their possible causes. The most likely cause is listed rst, in boldfa[...]

T able 2. Numeric err or codes (continued) Symptom or error (beeps, if any) FRU or action, in sequence 0232 Extended RAM error— Extended RAM fails at offset nnnn. (two short beeps) 1. DIMM. 2. Syst em boar d. 0250 System battery err or—System battery is dead. (two short beeps) 1. Char ge the backup battery for more than 8 hours by connecting th[...]

Error messages T able 3. Error messages Symptom or error (beeps, if any) FRU or action, in sequence Bad CRC2. Enter BIOS Setup Utility, and load Setup defaults. (two short beeps) Press F1 to enter BIOS Setup Utility . Press F9, and Enter to load the default setting. Then save the current setting by pr essing F10, and restart the computer . F an err[...]

If the L CD you are servicing has two or less visible defective pixels, it should not be considered faulty . However , if the L CD has thr ee or more visible defective pix els, it will be deemed as defective by L enovo and it should be r eplaced. Notes: • This policy applies to all ThinkPad Not ebooks pur chased on 1 January, 2008 or lat er . •[...]

d. Battery pack e. Hard disk drive f. External diskette drive or optical drive g. DIMM h. Optical disk or diskette in the int ernal drive i. PC Car ds 4. T urn on the comput er . 5. Determine whether the problem has been solved. 6. If the pr oblem does not recur , r econnect the r emoved devices one at a time until you nd the failing FRU . 7. If[...]

Chapter 5. Status indicators This chapter presents the system status indicators that show the status of the comput er . 2 1 3 4 5 6 7 8 T able 6. Status indicators Indicator Meaning 1 Numeric lock By default, when the numeric lock is on, the indicator is displayed on the scr een. 2 P ower on • Green: The computer is on and r eady t o use. The pow[...]

T able 6. Status indicat ors (continued) Indicator Meaning 5 Device access Data is being read from or written to the hard disk drive. When this indicat or is on, do not put the computer into sleep (standby) mode or turn off the computer . Note: Do not move the computer while this indicator is on. Sudden physical shock could cause drive err ors. 6 C[...]

Chapter 6. Fn k ey combinations The following table shows the function of each combination of Fn with a function key . T able 7. Fn key combinations Key combination Description Fn+F1 Reserved. Fn+F2 Lock the computer . Fn+F3 Select a power plan (in Windows XP , power scheme) that has been creat ed by P ower Manager , or adjust the power level by us[...]

T able 7. Fn k ey combinations (continued) Key combination Description Apply a pr esentation scheme dir ectly, with no need t o start Pr esentation Dir ector . T o disable this function and use the Fn+F7 key combination for switching a display output location, start P resentation Director , and change the settings. Note: If the computer is a Window[...]

T able 7. Fn k ey combinations (continued) Key combination Description Fn+ScrLk Enable or disable the numeric keypad. The indicat or of numeric lock will be displayed on the scr een. Fn+P ause Have the same function as the Br eak key . Fn+cursor keys These key combinations are for use with Windows Media Player . They have the following functions: ?[...]

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Chapter 7. FRU replacement notices This chapt er pr esents notices relat ed t o r emoving and replacing parts. Read this chapt er car efully befor e replacing any FRU. Screw notices Loose screws can cause a reliability pr oblem. In the ThinkP ad Notebook, this pr oblem is addr essed with special nylon-coat ed screws that have the following char act[...]

Retaining serial numbers This section includes the following descriptions: • “Rest oring the serial number of the system unit” on page 54 • “Retaining the UUID” on page 54 • “Reading or writing the EC A information” on page 55 Restoring the serial number of the system unit When the comput er was manufactured, the EEPROM on the sys[...]

The algorithm that gener ates the number is designed to pr ovide unique IDs until the year A.D . 3400. No two computers in the world have the same number . When you replace the syst em boar d, you must set the UUID on the new syst em board as follows: 1. Install the LENOVO ThinkPad Hardwar e Maintenance Diskette V ersion 1.76 or later , and restart[...]

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Chapter 8. Removing and r eplacing a FRU This chapter pr esents dir ections and drawings for use in r emoving and replacing a FRU . Be sure t o observe the following general rules: 1. Do not try to service any computer unless you have been trained and certied. An untrained person runs the risk of damaging parts. 2. Before r eplacing any FRU , r [...]

T able 8. Removal steps of battery pack DANGER Use only the battery specied in the parts list for your computer . Any other battery could ignite or e xplode. Unlock the battery latch 1 . Holding the battery lock lever in the unlocked position 2 , r emove the battery pack in the direction shown by arr ow 3 . 3 2 1 When installing: Install the bat[...]

T able 9. Removal steps of ExpressCard blank bezel (continued) 1 2 When installing: Make sur e that the bezel is correctly oriented as shown in the following gur e. T able 10. Removal steps of Media C ard blank bezel When you pr ess the Media C ard blank bez el 1 , it pops out 2 . Chapter 8 . Removing and replacing a FRU 59[...]

T able 10. Removal steps of Media Card blank bez el (continued) 1 2 When installing: Make sur e that the bezel is correctly oriented as shown in the following gur e. 1030 Optical drive or travel cover F or access, remove this FRU: • “1010 Battery pack” on page 57 60 Hardwar e Maintenance Manual[...]

T able 11. Removal st eps of optical drive or travel cover 1 Step Screw (quantity) Color T or que 1 M2 × 8 mm, at-head, nylon-coat ed (1) Black 0.181 Nm (1.85 kgfcm) 3 2 1040 Thermal cover F or access, remove this FRU: • “1010 Battery pack” on page 57 Chapter 8 . Removing and replacing a FRU 61[...]

T able 12. Removal steps of thermal cover Note: Loosen the scr ews 1 , but do not remove them. 1 1 1 1 1 1 2 Attention: Do not t ouch or apply any e xcessive force to the fan motor located in the slot. It might cause damage to the fan assembly or might cause the comput er to malfunction. 1050 Hard disk drive or solid state drive assembly F or acces[...]

T able 13. Removal steps of HDD or SSD assembly 1 When installing: Make sure that the HDD or SSD connector is attached rmly . Chapter 8 . Removing and replacing a FRU 63[...]

T able 13. Removal steps of HDD or SSD assembly (continued) When installing: • Do not apply e xcessive force to the HDD or SSD br acket a . T o do so, you might bend or br eak it. • Before installing an HDD or SSD assembly into models with an mSA T A solid state drive, be sure to remove the mylar tape b as shown in the following illustr ation. [...]

T able 14. Removal steps of HDD or SSD bracket (continued) 2 Step Screw (quantity) Color T orque 1 M3 × 3.5 mm, at-head (4) Silver 0.392 Nm (4 kgfcm) 1060 DIMM F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1040 Thermal cover” on page 61 T able 15. Removal steps of DIMM 2 1 1 Chapter 8 . Removing and r[...]

T able 15. Removal steps of DIMM (continued) Note: If only one DIMM is used on the comput er you ar e servicing, the car d must be installed in SLO T -0 ( a : lower slot), but not in SL O T -1 ( b : upper slot). b a When installing: Insert the notched end of the DIMM into the socket. P ress the DIMM rmly, and pivot it until it snaps int o place.[...]

T able 16. Removal steps of fan assembly (continued) Note: Loosen the screws 2a to 2d in or der , but do not r emove them. When you attach the fan, secur e the scr ews in order . 2c 2b 2d 2a Note: Differ ent models might have differ ent numbers of screws in step 2 . 3 When installing: Befor e you attach the fan assembly t o the computer , apply the[...]

T able 16. Removal steps of fan assembly (continued) F or models with a discrete fan assembly: b a F or models with an integrated fan assembly: b 1080 CPU F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1040 Thermal cover” on page 61 • “1070 F an assembly” on page 66 Attention: The CPU is e xtremely s[...]

T able 17. Removal steps of CPU (continued) 2 a 1 When installing: Place the CPU above the CPU socket, and then rotate the head of the screw in the direction shown by arrow a to secur e the CPU . 1090 SIM slot cover F or access, remove this FRU: • “1010 Battery pack” on page 57 T able 18. Removal steps of SIM slot cover Note: Loosen the scr e[...]

T able 18. Removal steps of SIM slot cover (continued) 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 car d, remove it before you start the servicing. After you nish the servicing, make sure that you insert the card back into the slot rmly . 3 70 Hardwar[...]

T able 18. Removal steps of SIM slot cover (continued) 4 5 1110 Wireless W AN slot cover and PCI Expr ess Mini Card for wireless W AN F or access, remove this FRU: • “1010 Battery pack” on page 57 T able 19. Removal steps of wireless WAN slot cover and PCI Express Mini Card for wireless W AN Note: Loosen the scr ew 1 , but do not remove it. 1[...]

T able 19. Removal steps of wireless W AN slot cover and PCI Express Mini Card for wireless WAN (continued) 2 In st eps 3a and 3b , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your ngers and gently unplug them in the dir ection of the arr ows. 4 4 3a 3b When installing: Plug the red [...]

1110 mSA T A solid state drive F or access, remove this FRU: • “1010 Battery pack” on page 57 Attention: • Do not dr op the drive or apply any physical shock to it. The drive is sensitive to physical shock. Impr oper handling can cause damage and permanent loss of data. • Befor e removing the drive, have the user mak e a backup copy of al[...]

4 3 Step Screw (quantity) Color T or que 3 M2 × 3 mm, at-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) 1120 Palm r est assembly with cables F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1030 Optical drive or tr avel cover ” on page 60 74 Hardwar e Maintenance Manual[...]

T able 20. Removal steps of palm rest assembly with cables 2 2 2 2 2 1 1 2 2 When installing: Make sur e all the scr ews have been fastened to secure the palm r est. Step Screw (quantity) Color T orque 1 M2 × 8 mm, at-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) 2 M2 × 5 mm, at-head, nylon-coated (6) Black 0.181 Nm (1.85 kgfcm) Chapte[...]

T able 20. Removal steps of palm rest assembly with cables (continued) 3 3 4 76 Hardwar e Maintenance Manual[...]

T able 20. Removal steps of palm rest assembly with cables (continued) When installing: Attach the palm r est so that the two small projections of the palm rest a rmly t into the guide holes of the keyboard be zel, and them press the front side of the palm r est downward until it clicks into place. Refer to the following two gur es. a a Ch[...]

T able 20. Removal steps of palm rest assembly with cables (continued) Note: In models with the ngerprint reader , the sensor is attached to the palm r est FRU . If the ngerprint reader is defective, you can r emove the ngerprint reader by referring t o step 8 as shown in the following gure. 5 6 7 6 8 7 When installing: Make sur e that [...]

T able 21. Removal steps of PCI Express Mini Card for wireless LAN (continued) 1a 1b 2 2 Step Screw (quantity) Color T or que 2 M2 × 3 mm, at-head, nylon-coat ed (2) Black 0.181 Nm (1.85 kgfcm) 3 When installing: Plug the gr ay cable into the jack labeled MAIN , and the black cable into the jack labeled AUX on the card. Chapter 8 . Removing and[...]

1140 Backup battery F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1030 Optical drive or tr avel cover ” on page 60 • “1120 P alm r est assembly with cables” on page 74 DANGER Use only the battery specied in the parts list for your computer . Any other battery could ignite or explode. T able 22. R[...]

T able 23. Removal steps of Bluetooth daughter card Step Screw (quantity) Color T or que 1 M2 × 3 mm, at-head, nylon-coat ed (1) Black 0.181 Nm (1.85 kgfcm) When installing: Make sur e that the connect or on bott om side of the car d is attached rmly t o the syst em boar d. 1160 Media Card Reader slot boar d and Media Card Reader cable assem[...]

T able 24. Removal steps of Media Card Reader slot board and Media Card Reader cable assembly 1 1 When installing: Make sur e that the Media C ard Reader cable assembly is attached rmly t o the system boar d and the Media C ard Reader slot board. 82 Hardwar e Maintenance Manual[...]

T able 24. Removal steps of Media Card Reader slot board and Media Card Reader cable assembly (continued) 2 2 3 Step Screw (quantity) Color T orque 2 M2 × 3 mm, at-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) 1170 K eyboard F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1030 Optical drive or tr ave[...]

T able 25. Removal steps of keyboard 1 When installing: Make sure the scr ew has been fastened to secure t o keyboar d. Step Screw (quantity) Color T or que 1 M2 × 5 mm, at-head, nylon-coat ed (1) Black 0.181 Nm (1.85 kgfcm) 2 4 2 3 5 6 7 When installing: Make sur e all the connectors are attached rmly t o the syst em boar d. Step Screw (qua[...]

T able 25. Removal steps of keyboard (continued) 6 M2 × 3 mm, at-head, nylon-coat ed (1) Black 0.181 Nm (1.85 kgfcm) 7 M2 × 2 mm, at-head (1) Silver 0.181 Nm (1.85 kgfcm) 8 When installing: Attach the keyboard so that the keyboar d edges are under the fr ame as shown in the following gure. T o make sure that the front side of the keyboar[...]

• “1070 F an assembly” on page 66 • “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive” on page 73 • “1120 P alm r est assembly with cables” on page 74 • “1130 PCI Expr ess Mini C ard for wireless LAN” on page 78 • “1170 Keyboar d” on page 8[...]

T able 26. Removal st eps of keyboard bezel (continued) 4 4 7 5 6 5 6 Step Screw (quantity) Color T or que 4 M2 × 3 mm, at-head, nylon-coat ed (2) Black 0.181 Nm (1.85 kgfcm) When installing: Mak e sure that the connect ors are attached rmly t o the system boar d. 8 8 1190 L CD unit F or access, remove these FRUs in or der: Chapter 8 . Remov[...]

• “1010 Battery pack” on page 57 • “1030 Optical drive or tr avel cover ” on page 60 • “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive” on page 73 • “1120 P alm r est assembly with cables” on page 74 • “1130 PCI Expr ess Mini C ard for wire[...]

T able 27. Removal steps of L CD unit (continued) In step 4 , r elease wireless antenna cables fr om the cable guides. F or ThinkP ad L520 models: 4 4 4 4 4 4 4 4 4 4 4 F or ThinkPad L420 and L421 models: 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 When installing: Make sure that the cables ar e attached to the cable guides rmly . Attention: When you rout[...]

T able 27. Removal steps of L CD unit (continued) 5 5 5 5 Step Screw (quantity) Color T or que 5 M2.5 × 6.5 mm, at-head, nylon-coated (4) Black 0.392 Nm (4 kgfcm) 6 6 2010 T op shielding assembly F or access, remove these FRUs in or der: 90 Hardwar e Maintenance Manual[...]

• “1010 Battery pack” on page 57 • “1030 Optical drive or tr avel cover ” on page 60 • “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive” on page 73 • “1120 P alm r est assembly with cables” on page 74 • “1130 PCI Expr ess Mini C ard for wire[...]

T able 28. Removal steps of t op shielding assembly (continued) F or ThinkPad L420 and L421 models: 2 1 1 2 2 3 Step Screw (quantity) Color T orque 1 M2 × 3 mm, at-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) 2 M2 × 5 mm, at-head, nylon-coated (3) Black 0.181 Nm (1.85 kgfcm) 92 Hardwar e Maintenance Manual[...]

2020 System boar d assembly Important notices for handling the system board: When handling the syst em board, bear the following in mind. • The system board has an acceleromet er , which can be brok en by applying sever al thousands of G-forces. Note: Dropping a system board fr om a height of as little as 6 inches so that it falls at on a hard[...]

T able 29. Location of major sensitive components on the system board in ThinkP ad L420, L421, and L520 models The following components solder ed on the top side of the system board are e xtremely sensitive. When you service the system boar d, avoid any kind of rough handling. a Acceler ometer chip for the HDD Active P rotection System b Multi Chip[...]

T able 29. L ocation of major sensitive components on the system board in ThinkP ad L420, L421, and L520 models (continued) F or ThinkP ad L520 models with an integr ated thermal module (top side view): a F or ThinkP ad L520 models with an integrated thermal module (bottom side view): b d F or ThinkP ad L420 and L421 models with a discrete thermal [...]

T able 29. L ocation of major sensitive components on the system board in ThinkP ad L420, L421, and L520 models (continued) F or ThinkP ad L420 and L421 models with a discr ete thermal module (bottom side view): b c d F or ThinkP ad L520 models with a discrete thermal module (top side view): a F or ThinkP ad L520 models with a discret e thermal mod[...]

T able 30. Removal steps of syst em board assembly F or ThinkP ad L520 models: 1 1 1 1 Step Screw (quantity) Color T or que 1 M2 × 5 mm, at-head, nylon-coat ed (4) Black 0.181 Nm (1.85 kgfcm) F or ThinkPad L420 and L421 models: 1 1 Step Screw (quantity) Color T or que 1 M2 × 5 mm, at-head, nylon-coat ed (2) Black 0.181 Nm (1.85 kgfcm) Chapt[...]

T able 30. Removal steps of system board assembly (continued) F or ThinkP ad L520 models: 2 2 3 F or ThinkPad L420 and L421 models: 2 2 3 When installing: Mak e sure that the connect ors are attached rmly t o the system boar d. 2030 USB connect or board and USB cable assembly F or access, remove these FRUs in or der: • “1010 Battery pack” [...]

• “1050 Hard disk drive or solid state drive assembly” on page 62 • “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive” on page 73 • “1120 P alm r est assembly with cables” on page 74 • “1130 PCI Expr ess Mini C ard for wireless LAN” on page 78 ?[...]

T able 31. Removal steps of USB connect or board and USB cable assembly (continued) F or ThinkPad L420 and L421 models: 2040 DC-in cable and base cover F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1020 Expr essCar d blank bezel and Media Car d blank bez el” on page 58 • “1030 Optical drive or tr avel[...]

T able 32. Removal st eps of DC-in cable and base cover F or ThinkP ad L520 models: 2 1 1 3 Step Screw (quantity) Color T or que 1 M2 × 3 mm, at-head, nylon-coat ed (2) Black 0.181 Nm (1.85 kgfcm) F or ThinkPad L420 and L421 models: 3 1 2 Step Screw (quantity) Color T or que 1 M2 × 5 mm, at-head, nylon-coat ed (1) Black 0.181 Nm (1.85 kgfcm[...]

T able 32. Removal steps of DC-in cable and base cover (continued) Cable r outing: Route the cable as shown in the following gur es. F or ThinkP ad L520 models: F or ThinkPad L420 and L421 models: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of sever al kinds. If the Windows Certicate of Aut[...]

7 Serial number label 13 Pr oduct label 8 FCC label F or some models, you need t o apply two FCC labels. Check the old base cover; if it has two FCC labels, apply both to the new base cover . F or the location of each label, refer to the following gur es: F or ThinkPad L520 models: 3 2 4 5 7 8 9 6 13 10 11 12 1 F or ThinkPad L420 and L421 models[...]

• “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive” on page 73 • “1120 P alm r est assembly with cables” on page 74 • “1130 PCI Expr ess Mini C ard for wireless LAN” on page 78 • “1170 Keyboar d” on page 83 • “1180 Keyboar d bezel” on page[...]

• “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive” on page 73 • “1120 P alm r est assembly with cables” on page 74 • “1130 PCI Expr ess Mini C ard for wireless LAN” on page 78 • “1170 Keyboar d” on page 83 • “1180 Keyboar d bezel” on page[...]

T able 35. Removal steps of integrated camera 1 1 2 3 Step Screw (quantity) Color T or que 1 M2 × 3 mm, at-head, nylon-coat ed (2) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached rmly . 2080 Ant enna assembly F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1110 Wir[...]

T able 36. Removal steps of antenna assembly Release the ant enna cables fr om the cable guides of the L CD rear cover assembly and from the hinges. F or ThinkP ad L520 models: 1 1 1 1 1 1 F or ThinkPad L420 and L421 models: 1 1 1 1 1 1 When installing: Route the cables as shown in the following gure. When you r oute the cables, make sure that t[...]

T able 36. Removal steps of antenna assembly (continued) 2 2 2 2 2 2090 Hinges, L CD panel, L CD cable, and L CD rear cover assembly F or access, remove these FRUs in or der: • “1010 Battery pack” on page 57 • “1110 Wireless W AN slot cover and PCI Expr ess Mini C ard for wireless W AN” on page 71 • “1110 mSA T A solid stat e drive?[...]

T able 37. Removal steps of hinges, L CD panel, L CD cable, and L CD rear cover assembly (continued) 1 1 1 1 Step Screw (quantity) Color T or que 1 M2 × 5 mm, at-head, nylon-coat ed (4) Black 0.181 Nm (1.85 kgfcm) F or ThinkPad L420 and L421 models: 1 1 Step Screw (quantity) Color T or que 1 M2 × 5 mm, at-head, nylon-coat ed (2) Black 0.181[...]

T able 37. Removal steps of hinges, L CD panel, L CD cable, and L CD rear cover assembly (continued) 2 3 3 4 3 3 4 Step Screw (quantity) Color T or que 3 M2 × 3 mm, at-head, nylon-coat ed (4) Black 0.181 Nm (1.85 kgfcm) 110 Hardwar e Maintenance Manual[...]

T able 37. Removal steps of hinges, L CD panel, L CD cable, and L CD rear cover assembly (continued) 7 5 6 When installing: Mak e sure that the L CD connect or is attached rmly . Chapter 8 . Removing and replacing a FRU 111[...]

112 Hardwar e Maintenance Manual[...]

Chapter 9. Locations This chapter presents the locations of ThinkP ad L420, L421, and L520 har dware components. F ront view 1 2 3 3 4 6 5 7 8 9 11 12 10 13 14 15 16 17 18 19 1 Integr ated camer a 11 Wireless r adio switch 2 Built-in microphone 12 P ower status indicat ors 1 3 Built-in st ereo speakers 13 Fingerprint reader (for some models) 4 P ow[...]

Rear view 2 3 4 1 6 7 5 1 Combo audio jack 5 External monitor connect or 2 DisplayP ort connector 6 Security keyhole 1 3 eSA T A/USB combo connector 7 USB connector 4 RJ-45 (E thernet) connector 1 : In some models, the security keyhole is locat ed on the right side of the computer . Bottom view 1 2 4 5 6 6 7 3 1 Battery pack 5 Expr essCard slot 2 B[...]

Chapter 10. P arts list This chapter contains following lists of the service parts. • “Overall” on page 116 • “L CD FRUs” on page 144 • “Keyboar d” on page 152 • “Miscellaneous parts” on page 153 • “ ac power adapters” on page 154 • “P ower cords” on page 155 • “Recovery discs” on page 156 • “Common ser[...]

Overall 1 2 3 4 5 8 7 6 10 9 11 12 28 27 26 23 24 25 22 21 20 19 18 17 16 13 14 15 116 Hardwar e Maintenance Manual[...]

T able 38. P arts list—Overall No. FRU (Overall) FRU no. CRU ID 1 LCD unit (see “L CD FRUs” on page 144.) 2 Keyboard bez el assembly for 14W 04W1813 N 2 Keyboard bez el assembly for 15W 04W1814 N 3 T op shielding assembly for 14W Dock 04W1766 N 3 T op shielding assembly for 15W Dock 04W1767 N 4 1-GB DDR3-1333 SDRAM SO-DIMM (PC3-10600) car d ?[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 4 4-GB DDR3-1333 SDRAM SO-DIMM (PC3-10600) car d • 7826-C TO , 39x, 3Ax, 3Bx • 7827-C TO , 5Rx, 45x, 46x, 4Cx, 4Hx, 4Kx, 4Mx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 33x • 7829-C TO , 4Vx, 4Wx, 4Xx, 45x, 46x, 4Cx, 4Gx, 4Hx, 4Jx, 4Kx, 4Nx[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 10 Battery pack, 4 cell Li-ion (2.2 Ah) • 7826-C TO , 34x, 3Fx, 3Gx • 7827-C TO , 5Mx, 5Nx, 5Px • 7829-C TO • 7853-C TO • 7854-C TO , 48x • 7856-C TO • 5015-C TO , 3Cx, 34x • 5016-C TO , 5Px • 5017-C TO • 5019-C TO • 7859-C TO • 7860-C TO 42T4885 * [...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 10 Battery pack, 6 cell Li-ion (2.2 Ah) • 7826-C TO , 3Px, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx • 7827-C TO , 4Cx, 4Dx, 4Ex, 4Fx, 5Ax, 5Bx • 7829-C TO • 7853-C TO • 7854-C TO , 4Nx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx,[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 10 Battery pack, 6 cell Li-ion (2.6 Ah) • 7826-C TO , 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 44x, 43x, 42x, 5Kx, 5Lx, 5Qx, 5Rx, 5Sx, 5Dx, 5Ex, 5Fx, 47x, 48x, 34x, 49x, 4Ax, 4B[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 10 Battery pack, 6 cell Li-ion (2.6 Ah) • 7826-C TO , 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 44x, 43x, 42x, 5Kx, 5Lx, 5Qx, 5Rx, 5Sx, 5Dx, 5Ex, 5Fx, 47x, 48x, 34x, 49x, 4Ax, 4B[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 10 Battery pack, 9 cell Li-ion (2.8 Ah) • 7826-C TO • 7827-C TO , 45x, 46x, 24x, 23x • 7829-C TO , 45x, 46x • 7853-C TO • 7854-C TO , 34x • 7856-C TO , 34x, 3Rx, 3Tx, 3Ux • 5015-C TO • 5016-C TO , 43x, 46x, 42x, 44x, 45x, 47x, 23x • 5017-C TO , 46x, 43x, [...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 12 DVD-RAM/RW drive • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 44x, 43x, 42x, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5S[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 12 DVD-RAM/RW drive • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 44x, 43x, 42x, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5S[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 12 DVD-RAM/RW drive • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 44x, 43x, 42x, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5S[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 13 SIM slot cover with screw 60Y4187 * 14 Wireless LAN car d slot cover with screw for 14W 60Y4185 * 14 Wireless LAN car d slot cover with screw for 15W 60Y4191 * 15 Thermal cover with screw for 14W Dock 04W1718 * 15 Thermal cover with screw for 15W Dock 75Y4677 * 16 SA T [...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A hard disk drive, 160 GB, 7,200 rpm, 7mmH • 7826-C TO • 7827-C TO • 7829-C TO • 7853-C TO • 7854-C TO • 7856-C TO • 5015-C TO • 5016-C TO • 5017-C TO • 5019-C TO • 7859-C TO • 7860-C TO 04W1290 ** 16 SA T A hard disk drive, 160 GB, 7,200 rp[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A hard disk drive, 250 GB, 5,400 rpm • 7826-C TO • 7827-C TO , 5Qx, 5Sx, 52x, 53x, 55x, 56x, 58x • 7829-C TO • 7853-C TO • 7854-C TO , 3Qx, 3Tx, 3Ux, 3Vx, 3Wx, 48x, 4Jx, 4Mx, 22x • 7856-C TO , 3Ex, 3Fx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx • 5015-C TO , [...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 OP AL SA T A hard disk drive, 250 GB, 7,200 rpm • 7826-C TO • 7827-C TO • 7829-C TO • 7853-C TO • 7854-C TO • 7856-C TO • 5015-C TO • 5016-C TO • 5017-C TO • 5019-C TO • 7859-C TO • 7860-C TO 75Y5151 ** 16 OP AL SA T A hard disk drive, 250 GB, 7,[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A hard disk drive, 320 GB, 5,400 rpm • 7826-C TO , 34x • 7827-C TO , 5Jx, 5Rx, 4Lx, 5Cx • 7829-C TO , 4Yx, 49x • 7853-C TO • 7854-C TO , 4Ux, 4Vx, 3Px, 4Lx • 7856-C TO , 3Cx, 3Dx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Xx • 5015-C TO , 37x • 5016-C TO , 5Vx[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A hard disk drive, 320 GB, 7,200 rpm • 7826-C TO , 3Px, 3Rx, 3Nx, 3Qx, 3Xx, 3Yx, 3Cx, 3Dx, 3Ex • 7827-C TO , 5Hx, 44x, 43x, 5Ex, 5Fx, 48x, 34x, 49x, 4Dx, 4Ex, 4Fx, 5Tx, 4Jx, 4Nx, 4Qx, 4Rx, 4Sx, 4Vx, 4Wx, 4Yx, 4Zx, 54x, 57x, 5Ax, 5Bx, 33x, 32x, 24x, 22x • 7829[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A hard disk drive, 320 GB, 7,200 rpm, 7mmH • 7826-C TO , 3Px, 3Rx, 3Nx, 3Qx, 3Xx, 3Yx, 3Cx, 3Dx, 3Ex • 7827-C TO , 5Hx, 44x, 43x, 5Ex, 5Fx, 48x, 34x, 49x, 4Dx, 4Ex, 4Fx, 5Tx, 4Jx, 4Nx, 4Qx, 4Rx, 4Sx, 4Vx, 4Wx, 4Yx, 4Zx, 54x, 57x, 5Ax, 5Bx, 33x, 32x, 24x, 22x ?[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A hard disk drive, 500 GB, 7,200 rpm • 7826-C TO , 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Fx, 3Gx • 7827-C TO , 4Gx, 5Gx, 42x, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Dx, 45x, 46x, 47x, 4Ax, 4Bx, 4Cx, 4Hx, 4Kx, 4Mx, 4P[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 16 SA T A solid state drive, 128 GB, 2.5", 7mmH • 7826-C TO • 7827-C TO , 4Tx, 23x • 7829-C TO , 4Ax • 7853-C TO • 7854-C TO • 7856-C TO • 5015-C TO , 34x • 5016-C TO , 54x, 55x, 23x • 5017-C TO • 5019-C TO • 7859-C TO • 7860-C TO 04W1267 ** 16[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 17 Ericsson F5521gw Wireless W AN car d • 7826-C TO • 7827-C TO • 7829-C TO • 7853-C TO • 7854-C TO • 7856-C TO • 5015-C TO • 5016-C TO • 5017-C TO • 5019-C TO • 7859-C TO • 7860-C TO 60Y3279 ** 17 Ericsson F5521gw Wir eless WAN card for Malaysia SK[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 17 mSA T A solid stat e drive, 80GB • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Sx, 4Cx, 4Dx, 4Jx, 4Kx, 4[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 21 ThinkPad 11b/g/n Wir eless LAN Mini-PCI Express Adapter II • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 34x, 35x, 36x, 3Cx, 3Dx, 3Ex • 7827-C TO , 5Jx, 5Hx, 5Gx, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Rx, 5Sx, 45x, 46x, 47x, 48x, 4Cx, 4Dx, [...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 21 Intel Centrino Advanced-N + WiMAX 6250, Russia SK U • 7826-C TO • 7827-C TO • 7829-C TO • 7853-C TO • 7854-C TO • 7856-C TO • 5015-C TO • 5016-C TO • 5017-C TO • 5019-C TO • 7859-C TO • 7860-C TO 60Y3209 ** 22 Bluetooth daughter car d (BDC-3.0) ?[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 22 Bluetooth daughter car d (BDC-3.0) • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 4Gx, 5Gx, 44x, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx,[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 23 CPU assembly, Intel Core i5-2410M P rocessor (2.30 GHz) • 7826-C TO , 3Hx, 3Lx, 3Ux, 3Vx • 7827-C TO , 49x • 7829-C TO • 7853-C TO • 7854-C TO , 4Wx, 53x, 54x, 55x, 4Vx, 4Nx, 4Px, 4Qx, 37x, 3Cx, 3Ex, 3Gx, 3Jx, 3Kx, 3Lx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 43x, 44x, 45x, [...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 23 CPU assembly, Intel Core i7-2620M P rocessor (2.70 GHz) • 7826-C TO , 39x • 7827-C TO , 4Cx, 4Hx, 4Kx, 4Px, 4Qx, 4Ux, 4Vx, 5Ax • 7829-C TO , 4Wx, 4Ex, 4Fx, 4Gx, 4Hx, 4Nx, 4Px • 7853-C TO • 7854-C TO , 4Xx • 7856-C TO • 5015-C TO • 5016-C TO , 4Tx, 4Ux, 4[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 24 System board assembly, HM65 14W non-docking, non- TPM, A UO4, without wir eless WAN • 7826-C TO • 7827-C TO • 7829-C TO • 7853-C TO • 7854-C TO , 4Nx, 4Tx, 3Jx, 3Kx, 3Px, 3Qx • 7856-C TO , 3Kx 04W0481 N 24 System board assembly, HM65 + AMD 1GB 14W non-dockin[...]

T able 38. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRU ID 24 System board assembly, HM65 integr ated 15W Dock, non- TPM, A UO4, with wir eless WAN • 5015-C TO • 5016-C TO , 4Hx, 4Jx • 5017-C TO • 5019-C TO • 7859-C TO , 4Qx, 4Rx, 4Vx, 3Dx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx • 7860-C TO 04W0387 N 25 ExpressCar d slot bl[...]

• 15.6-inch HD LED-backlight L CD (T able 40 “P arts list—15.6-inch HD L CD” on page 148) • 15.6-inch HDx, LED-backlight L CD (T able 41 “Parts list—15.6-inch HD+ L CD” on page 150) 1 3 4 5 6 7 8 9 2 Chapter 10 . P arts list 145[...]

T able 39. Parts list—14.0-inch HD L CD No. FRU (14.0-inch HD L CD) FRU no. CRU ID 1 LCD fr ont bez el for 14W 04W1735 N 2 Integrat ed camer a with microphone (1M) • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx[...]

T able 39. P arts list—14.0-inch HD L CD (continued) No. FRU (14.0-inch HD L CD) FRU no. CRU ID 2 Integrat ed camer a with microphone (1M) • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 5Kx, 5Lx[...]

T able 39. P arts list—14.0-inch HD L CD (continued) No. FRU (14.0-inch HD L CD) FRU no. CRU ID 8 LCD module, 14.0-inch HD anti-glar e • 7826-C TO , 3Px, 3Rx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx • 7827-C TO , 5Jx, 4Gx, 5Hx, 5Gx, 44x, 43[...]

T able 40. P arts list—15.6-inch HD L CD (continued) No. FRU (15.6-inch HD L CD) FRU no. CRU ID 2 Integrat ed camera with microphone (1M) • 5015-C TO , 33x, 34x • 5016-C TO , 5Px, 22x, 5Qx, 44x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 4Jx, 4Lx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Bx, 5Cx, 5Gx, 5Hx, 5Mx, 33x, 23x • 5017-C TO , 4Mx, 44x,[...]

T able 40. P arts list—15.6-inch HD L CD (continued) No. FRU (15.6-inch HD L CD) FRU no. CRU ID 8 LCD module, 15.6-inch HD anti-glare • 5015-C TO , 38x, 39x, 3Ax, 3Bx, 3Cx, 36x, 37x, 33x, 34x • 5016-C TO , 5Vx, 5Wx, 5Xx, 5Yx, 5Px, 5Rx, 5Tx, 22x, 43x, 5Qx, 42x, 44x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 4Jx, 4Lx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 55x, 56x[...]

T able 41. P arts list—15.6-inch HD+ L CD (continued) No. FRU (15.6-inch HD+ L CD) FRU no. CRU ID 2 Integrat ed camer a with microphone (1M) • 5015-C TO • 5016-C TO , 5Kx, 46x, 45x, 47x, 4Hx, 4Tx, 4Ux, 4Vx, 4Wx • 5017-C TO , 46x, 4Jx, 4Lx, 45x, 47x • 5019-C TO • 7859-C TO , 4Qx, 36x, 39x, 3Ax, 3Dx, 3Mx, 3Qx, 3Rx, 42x, 4Mx • 7860-C TO [...]

K eyboard T able 42. P arts list—K eyboard Language FRU no. CRU ID Arabic 45N2288 45N2358 45N2428 Belgian 45N2289 45N2359 45N2429 Brazilian P ortuguese 45N2287 45N2357 45N2427 Bulgarian 45N2290 45N2360 45N2430 Canadian F rench (058) 45N2285 45N2355 45N2425 Canadian F rench (Acnor) 45N2284 45N2354 45N2424 Czech 45N2291 45N2361 45N2431 Danish 45N22[...]

Miscellaneous parts T able 43. Parts list—Miscellaneous parts FRU FRU no. CRU ID Screw kit (including nylon-coat ed screws): • M2 × 2 mm (silver), at-head (1) • M2 × 3 mm (black), at-head (43) • M2 × 5 mm (black), at-head (48) • M2 × 6 mm (black), at-head (2) • M2 × 8 mm (black), at-head (2) • M2.5 × 6.5 mm (black[...]

T able 44. P arts list—Miscellaneous parts (continued) FRU FRU no. CRU ID System boar d miscellaneous parts: • Mini Car d stud, system board • Stud, syst em boar d • Insulation (top) • Insulation, black (battery) • Insulation, black (coil) • Insulation, black (SIM) • SIM card bracket • Eject sheet • USB gascket N L CD miscellane[...]

T able 46. Parts list—3-pin ac power adapters FRU FRU no. CRU ID 3-pin (65 W , 20 V) adapter (models CT O , xxA, xxB, xxC, xxG, xxH, xxK, xxM, xxQ, xxT , xxV) 42T5283 3-pin (65 W , 20 V) adapter (models CT O , xxA, xxB, xxC, xxG, xxH, xxK, xxM, xxQ, xxT , xxV) 42T4417 3-pin (65 W , 20 V) adapter (models CT O , xxA, xxB, xxC, xxG, xxH, xxK, xxM, x[...]

T able 48. P arts list—3-pin power cords (continued) Country or region FRU no. CRU ID Italy • models -CT O , xxG 42T5047 42T5132 Kor ea • models -CT O , xxK 42T5077 42T5162 Switzerland • models -CT O , xxG 42T5044 42T5129 T aiwan • models -CT O , xxV 42T5071 42T5156 U.K., China (Hong Kong S.A.R.) • models -CT O , xxB, xxG, xxH 42T5035 4[...]

T able 49. Parts list—Windows XP P rofessional (32 bit) recovery DVDs (continued) Language P/N CRU ID Kor ean 03W7489 Norwegian 03W7491 P olish 03W7492 P ortuguese 03W7493 Russian 03W7494 Simplied Chinese 03W7477 Spanish 03W7495 Swedish 03W7496 T r aditional Chinese 03W7478 T urkish 03W7497 US English 03W8058 Windows V ista Home Basic (32 bit)[...]

• 7859-C T O • 7860-C T O T able 51. P arts list—Windows Vista Business (32 bit) recovery DVDs Language P/N CRU ID Japanese 03W8059 US English 03W8060 N Windows 7 Home Basic (32 bit) DVDs Windows 7 Home Basic (32 bit) is pr einstalled as the operating system in the following models: • 7826-C T O, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Sx, 3Tx,[...]

• 5016-C T O • 5017-C T O • 5019-C T O • 7859-C T O • 7860-C T O T able 53. P arts list—Windows 7 Home Premium (32 bit) recovery DVDs Language P/N CRU ID Indian English 03W8107 Simplied Chinese 03W8106 US English 03W8108 N Windows 7 Home P remium (64 bit) DVDs Windows 7 Home Pr emium (64 bit) is preinstalled as the oper ating system [...]

T able 54. Parts list—Windows 7 Home P remium (64 bit) recovery DVDs (continued) Language P/N CRU ID P ortuguese 03W8123 Romanian 03W8124 Russian 03W8125 Serbian-Latin 03W8128 Simplied Chinese 03W8111 Slovak 03W8126 Spanish 03W8127 T r aditional Chinese 03W8112 T urkish 03W8129 US English 03W8131 US English disable 03W8130 Windows 7 P rofessio[...]

• 7854-C T O, 4Wx, 4Ux, 4Vx, 4Nx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 34x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Lx, 3Nx, 3Px, 3Sx, 3Tx, 3Xx, 3Yx, 3Zx, 42x, 43x, 44x, 45x, 46x, 4Gx, 4Hx, 4Kx, 4Lx, 4Mx, 22x, 23x • 7856-C T O, 44x, 45x, 34x, 37x, 38x, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x • 5015-C T O, 33x, 34x • 5[...]

Windows 7 Ultimate (32 bit) DVDs Windows 7 Ultimate (32 bit) is pr einstalled as the oper ating system in the following models: • 7826-C T O • 7827-C T O • 7829-C T O • 7853-C T O • 7854-C T O • 7856-C T O • 5015-C T O • 5016-C T O • 5017-C T O • 5019-C T O • 7859-C T O • 7860-C T O T able 57. Parts list—Windows 7 Ultimate[...]

• 5015-C T O • 5016-C T O • 5017-C T O • 5019-C T O • 7859-C T O • 7860-C T O T able 59. Parts list—Windows 7 Ultimate (64 bit) recovery DVDs Language P/N CRU ID Indian English 03W8135 Russian 03W8136 US English 03W8137 N Common service tools T able 60. Parts list—Common service tools T ool P/N Screwdriver kit 95F3598 1/4" driv[...]

164 Hardwar e Maintenance Manual[...]

Appendix A. Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the pr oducts and services curr ently available in your area. Any r eference to a L enovo product, pr ogram, or service is not intended t o state or imply that only t[...]

Electronic emissions notices F or electr onic emission information on Class B digital devices, r efer to the corr esponding information in the User Guide . T rademarks The following terms are tr ademarks of L enovo in the Unit ed Stat es, other countries or both: Active Pr otection System Lenovo ThinkP ad ThinkV antage ThinkLight T rackP oint Ultra[...]

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Part Number: 0A60342_01 (1P) P/N: 0A60342_01 *0A60342_01*[...]