Lenovo K49 User Manual

HardwareMaintenanceManual

ZhaoYangK49

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underAppendixA“Notices”onpage91

.

FourthEdition(May2013)

©CopyrightLenovo2012,2013.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation......1

Generalsafety................1

Electricalsafety...............2

Safetyinspectionguide............3

Handlingdevicesthataresensitivetoelectrostatic

discharge..................3

Groundingrequirements............4

Safetynotices(multilingualtranslations)......4

Lasercompliancestatement(multilingual

translations)................19

Chapter2.Importantservice

information..............27

StrategyforreplacingFRUs.........27

Strategyforreplacingaharddiskdrive...28
Importantnoticeforreplacingasystem

board................28

ImportantinformationaboutreplacingRoHS

compliantFRUs..............28

Chapter3.Generalcheckout.....29

Whattodorst..............29

Powersystemcheckout...........30

Checkingtheacpoweradapter......30

Checkingoperationalcharging......31

Checkingthebatterypack........31

Chapter4.Relatedservice

information..............33

Recoveringthecomputersettings.......33

Passwords................33

Power-onpassword...........34

Supervisorpassword..........34

Powermanagement............34

Screenblankmode...........34

Sleepmode..............34

Hibernationmode...........35

Chapter5.ZhaoY angK49.......37

Specications...............37

Statusindicators..............38

Fnkeycombinations............39

Chapter6.FRUreplacement

notices................41

Screwnotices...............41

Chapter7.Removingandreplacinga

FRU..................43

Generalguidelines.............43

1010Batterypack.............44

1020Bottomslotcover...........44

1030Opticaldriveorblankbezel.......45

1040Memorymodules...........46

1050Harddiskdriveassembly........47

1060PCIExpressMiniCardforwirelessLAN..49
1070mSA T Asolid-statedrive(onsomemodels).51

1080Thermalmodule............52

1090CPU................54

1100Keyboard..............55

1110Keyboardbezel............58

1120Fingerprintboard...........60

1130Functionboardandmicrophone.....61

1140Powerboard.............63

1150Backupbattery............63

1160Speakerassembly...........64

1170Systemboardassembly.........66

1180LCDunit...............67

1190DC-inbracket,DC-incable,USBbracket,

USBcable,andbasecover..........69

2010LCDfrontbezel............71

2020Integratedcamera...........73

2030LCDpanelandLCDcable........73

2040Hinges...............75

2050AntennaassemblyandLCDcover.....76

Chapter8.Locations.........79

Frontview................79

Right-sideview..............80

Bottomandleft-sideview..........81

Chapter9.Partslist..........83

Overall..................84

LCDFRUs................86

Keyboard.................88

Miscellaneousparts............88

acpoweradapters.............88

Powercords...............88

AppendixA.Notices..........91

Electronicemissionsnotices.........92

Trademarks................92

©CopyrightLenovo2012,2013

i

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforthefollowingLenovo

Machine

ZhaoYangK4920164

Machinetype(MT)

®

products.

Usethismanualtotroubleshootproblems.

Themanualisdividedintothefollowingsections:

•Thecommonsectionsprovidegeneralinformation,guidelines,andsafetyinformationrequiredfor
servicingcomputers.

•Theproduct-specicsectionincludesservice,reference,andproduct-specicpartsinformation.

Important:

•ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use
thismanualtotroubleshootproblemseffectively.

•BeforeservicingaLenovoproduct,besuretoreadalltheinformationunderChapter1“Safety
information”onpage1

andChapter2“Importantserviceinformation”onpage27.

©CopyrightLenovo2012,2013

iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea
LenovoNotebook.

•“Generalsafety”onpage1

•“Electricalsafety”onpage2

•“Safetyinspectionguide”onpage3

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

•“Lasercompliancestatement(multilingualtranslations)”onpage19

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Makesurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthatyou
thinkistooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'spersonnelare
notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Makesurethatyour
sleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8
centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing,becausemetal
objectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan
louversorcoverthemwithlabelsorstickers.

©CopyrightLenovo2012,2013

1

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:

Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial
thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.
Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto
decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–Removingorinstallingmainunits

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
–Similarunitstolistedabove
Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:

2HardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential
safetyhazardsduetoattachmentofnon-Lenovofeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Poweroffthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.

b.Thepowercordshouldbethetypespeciedinthepartslist.

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothesafetyofanynon-Lenovo
alterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

Chapter1.Safetyinformation3

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

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18HardwareMaintenanceManual

Lasercompliancestatement(multilingualtranslations)

Thelasercompliancestatementsinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

Chapter1.Safetyinformation19

20HardwareMaintenanceManual

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26HardwareMaintenanceManual

Chapter2.Importantserviceinformation

Thischapterpresentsthefollowingimportantserviceinformationthatappliestoallmachinetypessupported
bythismanual:

•“StrategyforreplacingFRUs”onpage27
–“Strategyforreplacingaharddiskdrive”onpage28
–“Importantnoticeforreplacingasystemboard”onpage28

•“ImportantinformationaboutreplacingRoHScompliantFRUs”onpage28

Important:BIOSanddevicedriverxesarecustomer-installable.TheBIOSanddevicedriversareavailable
athttp://www.lenovo.com/support.

StrategyforreplacingFRUs

Beforereplacingparts:

Makesurethatallsoftwarexes,drivers,andBIOSdownloadsareinstalledbeforereplacinganyFRUs
listedinthismanual.

Afterasystemboardisreplaced,ensurethatthelatestBIOSisinstalledtothesystemboardbefore
completingtheserviceaction.

Todownloadsoftwarexes,drivers,andBIOS,dothefollowing:

1.Gotohttp://www.lenovo.com/support.

2.ClickDownloadDrivers&Software.TheWebsiteoffersthreeoptionstobeginyoursearch:

•Searchbyproductnumber

•Searchthroughtheproductauto-detectfunction

•Searchbyproductcategory

3.Followthedirectionsonthescreenandinstallthenecessarysoftware.

4.Restartthecomputer.

Notes:Ifyouneedtoimprovethecomputerperformance,youalsocoulddownloadandinstallthelatest
BIOSutilityfromtheSupportWebsite.

•DonottrytoupdatetheBIOSsettingsforanycomputerunlessyouhavebeentrainedandcertied.An
untrainedpersonrunstheriskofdamagingthecomputer.

•Beforeinstallingthelatestutility,makesurethatthebatteryisfullychargedandanacpoweradapteris
connected.

•Donotturnofforputyourcomputerintosleeporhibernationuntiltheupdatehasbeencompleted.
Otherwise,thesystemboardmightbedamaged.

UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstall
theoriginalFRUbeforeyoucontinue.

•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,
reinstallthatboard,andthenreplacetheotherone.

©CopyrightLenovo2012,2013

27

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.

Strategyforreplacingaharddiskdrive

Alwaystrytorunalow-levelformatbeforereplacingaharddiskdrive(HDD).Thiswillcauseallcustomerdata
ontheharddisktobelost.Besurethatthecustomerhasacurrentbackupofthedatabeforedoingthistask.

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Be
extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect
drive,dataorprogramscanbeoverwritten.

Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBGA(BallGridArray)chipset.

ImportantinformationaboutreplacingRoHScompliantFRUs

RoHS,TheRestrictionofHazardousSubstancesinElectricalandElectronicEquipmentDirective
(2002/95/EC)isaEuropeanUnionlegalrequirementaffectingtheglobalelectronicsindustry.RoHS
requirementsmustbeimplementedonLenovoproductsplacedonthemarketafterJune2006.Products
onthemarketbeforeJune2006arenotrequiredtohaveRoHScompliantparts.IftheoriginalFRUparts
arenon-compliant,thereplacementpartsalsocanbenon-compliant.Thatis,iftheoriginalFRUpartsare
RoHScompliant,thereplacementpartalsomustbeRoHScompliant.

Note:RoHSandnon-RoHSFRUpartnumberswiththesametandfunctionareidentiedbytheunique
FRUpartnumbers.

LenovoplanstotransittoRoHScompliancebeforetheimplementationdateandexpectsitssupplierstobe
readytomeetLenovo’srequirementsandscheduleintheEuropeanUnion.Productssoldbetween2005
and2006mightcontainsomeRoHScompliantFRUs.Thefollowingstatementpertainstotheproducts
withRoHScompliantFRUs.

RoHScompliantFRUshaveuniqueFRUpartnumbers.BeforeoraftertheRoHSimplementationdate,the
failedRoHScompliantpartsmustbereplacedwithcompliantpartsandonlythefollowingFRUscanbe
used:identiedascompliantintheHardwareMaintenanceManualordirectsubstitutionscanbeused.

•CompliantFRUsidentiedinHardwareMaintenanceManual

•DirectsubstitutionswithdifferentFRUpartnumbersautomaticallyshippedbythedistributioncenterat
thetimeoforder

ForproductsshippedafterJune2006

Currentororiginalpart

MustbeRoHSMustbeRoHS

28HardwareMaintenanceManual

ReplacementFRU

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•“Whattodorst”onpage29

•“Powersystemcheckout”onpage30

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedtousenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthecomputer
thatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,dataorprograms
mightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,makesurethatthemodel
ofthemachineandtheFRUpartnumberarecorrectbyreferringtotheFRUpartslist.

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora
varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge,
orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective,
cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodorst

WhenyoudoreturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformor
partsreturnformthatyouattachtoit:

1.Nameandphonenumberofservicetechnician

2.Dateofservice

3.Dateonwhichthemachinefailed

4.Dateofpurchase

5.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

6.FailingFRUnameandpartnumber

7.Machinetype,modelnumber,andserialnumber

8.Customer'snameandaddress

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage
wascausedbymisuse,accident,modication,unsuitablephysicaloroperatingenvironment,orimproper
maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty
andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbyliquidspilledintothesystem

•DamagecausedbytheimproperinsertionofaPCCardortheinstallationofanincompatiblecard

•Improperdiscinsertionoruseofanopticaldrive

©CopyrightLenovo2012,2013

29

•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,

2

1

ortheinsertionofadiskettewithmultiplelabels

•Damagedorbentdisketteejectbutton

•Fusesblownbyattachmentofanonsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingaliquidontothekeyboard

•Useofanincorrectacpoweradapteronlaptopproducts

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodication.

•Ifthespindleofaharddiskdrivebecomesnoisy,itmayhavebeensubjectedtoexcessiveforce,
ordropped.

Powersystemcheckout

Toverifyasymptom,dothefollowing:

1.T urnoffthecomputer.

2.Removethebatterypack.

3.Connecttheacpoweradapter.

4.Checkthatpowerissuppliedwhenyouturnonthecomputer.

5.T urnoffthecomputer.

6.Disconnecttheacpoweradapterandinstallthechargedbatterypack.

7.Checkthatthebatterypacksuppliespowerwhenyouturnonthecomputer.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:

•“Checkingtheacpoweradapter”onpage30

•“Checkingoperationalcharging”onpage31

•“Checkingthebatterypack”onpage31

Checkingtheacpoweradapter

Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.

•Ifthepower-onindicatordoesnotturnon,checkthepowercordoftheacpoweradapterforcorrect
continuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingoperationalcharging”onpage31

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowinggure:

Pin

1+20

20

Note:Outputvoltageacrosspin2oftheacpoweradaptermaydifferfromtheoneyouareservicing.

3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.

4.Ifthevoltageisacceptable,dothefollowing:

Voltage(Vdc)

•Replacethesystemboard.

30HardwareMaintenanceManual

•Iftheproblempersists,gotoChapter5“ZhaoY angK49”onpage37.

1(+)

2(+)

3

4

5

6(-)

7(-)

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingoperationalcharging

Tocheckwhetherthebatterychargesproperlyduringoperation,useadischargedbatterypackorabattery
packthathaslessthan50%ofthetotalpowerremainingwheninstalledinthecomputer.

Performoperationalcharging.Ifthebatterystatusindicatororicondoesnotturnon,removethebattery
packandletitreturntoroomtemperature.Reinstallthebatterypack.Ifthechargeindicatororiconstilldoes
notturnon,replacethebatterypack.

Ifthechargeindicatorstilldoesnotturnon,replacethesystemboard.Thenreinstallthebatterypack.Ifitis
stillnotcharged,gotothenextsection.

Checkingthebatterypack

ThebatterystatusiconintheWindows

TocheckfordetailedbatterystatusinformationontheWindowsoperatingsystem,dothefollowing:

•Windows7:LaunchthePowerManagerprogramandclicktheBatterytab.

•Windows8:

–PresstherecoverybuttontolaunchtheLenovoSolutionCenterprogram,andthenclickBattery.

–LaunchtheLenovoSettingsprogramfromtheStartscreen,andthenclickPower.

®

noticationareadisplaysthepercentageofbatterypowerremaining.

Tocheckthebatterypack,dothefollowing:

1.T urnoffthecomputeranddisconnecttheacpoweradapter.

2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).

Terminal

1+0to+14

7

3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.

Note:Rechargingwilltakeatleast3hours,eveniftheindicatordoesnotturnon.

Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebatterypack.

4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.
Theresistancemustbe4to30KΩ.

Iftheresistanceisnotcorrect,replacethebatterypack.Iftheresistanceiscorrect,replacethesystem
board.

Voltage(Vdc)

Ground(-)

Chapter3.Generalcheckout31

32HardwareMaintenanceManual

Chapter4.Relatedserviceinformation

Thischapterpresentsthefollowinginformation:

•“Recoveringthecomputersettings”onpage33

•“Passwords”onpage33

•“Powermanagement”onpage34

Recoveringthecomputersettings

Thistopicprovidesinformationabouttherecoveryprogramsthatareavailableforyoutorecoverthe
computersettings.

•Windows7:ThefollowingrecoveryprogramsareavailableoncomputerswithaWindows7operating
system:

–OneKey

TheOneKeyRecoveryProprogramenablesyoutobackupallyourharddiskdrivecontents,including
theoperatingsystem,datales,softwareprograms,andpersonalsettings.Y oucandesignatewhere
theOneKeyRecoveryProprogramstoresthebackup.Afteryouhavebackedupthecontentsonthe
harddiskdrive,youcanrestorethecompletecontentsoftheharddiskdrive,restoreonlythedesired
les,orrestoreonlytheWindowsoperatingsystemandapplications.

–ProductRecovery

TheProductRecoveryprogramenablesyoutorestorethecomputersettingstothefactorydefault
settingsthroughrecoverymedia.

®

RecoveryPro

Attention:WhenyouusetheProductRecoveryprogramtorestorethecomputersettings,allthedata
youhavestoredontheharddiskdrivewillbedeletedandthecomputersettingswillberestoredtothe
factorydefaultsettings.Duringtherestoringprocess,youwillbegiventheoptiontosaveoneormore
lescurrentlyontheharddiskdrivetoothermediabeforethedataisdeleted.

•Windows8:ThepreinstalledWindowsrecoveryprogramenablesyoutodothefollowing:

–Refreshingthecomputerwithoutlosingpersonalles

–Restoringthecomputertothefactorydefaultsettings

Attention:WhenyouusetheWindowsrecoveryprogramtorestorethecomputersettings,allthedata
youhavestoredontheharddiskdrivewillbedeletedandthecomputerwillberestoredtothefactory
defaultsettings.T oavoiddataloss,backupyourdatainadvance.

–Conguringtheadvancedstartupoptions

Theadvancedstartupoptionsenableyoutodothefollowing:

–ChangingthestartupsettingsoftheWindowsoperatingsystem

–RestoringtheWindowsoperatingsystemfromasystemimage

–Startingupfromanexternaldevice

Formoreinformationabouttherecoverysolutions,refertothehelpinformationsystemoftheprograms.

Passwords

AsmanyastwopasswordsmightbeneededforaLenovonotebookcomputer:thepower-onpassword
andthesupervisorpassword.

©CopyrightLenovo2012,2013

33

Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthe
computeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.

Note:Ifonlyasupervisorpasswordisset,thepasswordpromptwillnotbedisplayedwhentheoperating
systemisstarted.

Power-onpassword

Apower-onpassword(POP)protectsthesystemfrombeingpoweredonbyanunauthorizedperson.The
passwordmustbeenteredbeforeanoperatingsystemcanbebooted.

Supervisorpassword

Asupervisorpassword(SVP)protectsthesysteminformationstoredintheBIOS.Theusermustenterthe
SVPinordertogetaccesstotheBIOSandchangethesystemconguration.

Attention:IftheSVPhasbeenforgottenandcannotbemadeavailabletotheservicetechnician,thereisno
serviceproceduretoresetthepassword.Thesystemboardmustbereplacedforascheduledfee.

Powermanagement

Note:PowermanagementmodesarenotsupportedforAPMoperatingsystem.

Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.

Screenblankmode

Inthefollowingcircumstances,thecomputergoesintoscreenblankmode:

•Thetimesetonthe“Turnoffmonitor”timerontheWindows7operatingsystemexpires.

Toendscreenblankmodeandresumenormaloperation,pressanykey.

•Y ouhavepressedFn+F2.

Toendscreenblankmodeandresumenormaloperation,pressFn+F2.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:

•TheLCDispoweredoff.

•Theharddiskdriveispoweredoff.

•TheCPUstops.

Toentersleepmode,pressFn+F1.

Incertaincircumstances,thecomputergoesintosleepmodeautomatically:

•Ifa“suspendtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,
theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Ifthebatteryindicatorblinksorange,indicatingthatthebatterypowerislow.

Tocausethecomputertoreturnfromsleepmodeandresumetheoperation,dooneofthefollowing:

•PresstheFnkey.

•OpentheLCDcover.

•T urnonthepowerbutton.

34HardwareMaintenanceManual

Also,whenthetimesetontheresumetimerelapses,thecomputerautomaticallyreturnsfromsleepmode
andresumesoperation.

Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewseconds
beforetakinganyactiontoreenteroperationmode.

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.

•Thesystemispoweredoff.

Ifyouhavedenedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyineitherofthefollowingconditions:

•Ifa“hibernationtime”hasbeensetonthetimer,andiftheuserdoesnotdoanyoperationwiththe
keyboard,theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Ifthetimerconditionsaresatisedinsuspendmode.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe
harddiskdrive.

Chapter4.Relatedserviceinformation35

36HardwareMaintenanceManual

Chapter5.ZhaoY angK49

Thischapterpresentsthefollowingproduct-specicservicereferencesandpartsinformation:

•“Specications”onpage37

•“Statusindicators”onpage38

•“Fnkeycombinations”onpage39

Specications

ThistopicliststhephysicalfeaturesfortheZhaoYangK49models.

Processor

•T oviewtheprocessorinformationofyourcomputer,doeitherofthefollowing:

–Windows7:ClickStart,right-clickComputer.ThenclickProperties.

–Windows8:Fromthedesktop,movethecursortothetop-rightorbottom-rightcornerofthescreento

displaythecharms.ThenclickSettings➙PCinfo.

Memory

•Doubledatarate3(DDR3)synchronousdynamicrandomaccessmemory(SDRAM)

Storagedevice

•2.5-inch(7mmheightor9.5mmheight)harddiskdrive

•mSA T Asolid-statedrive

Note:IfthecomputerisequippedwithbothaharddiskdriveandanmSATAsolid-statedrive,donot
usethemSATAsolid-statedriveasabootabledevice.ThemSATAsolid-statedriveisusedfor“cache”
functiononly.

Display

•Size:14.0inches(356mm)

•Resolution:

–LCD:1366-by-768

–Externalmonitor:Maximum2048-by-1536

•Integratedcamera(onsomemodels)

Keyboard

•6-rowLenovokeyboard

•Fnkeyfunction

•Recoverybutton

•Speakermutebutton

•ActiveProtectionSystem™(APS)button

Interface

•Comboaudiojack(stereoheadphoneorheadset)

©CopyrightLenovo2012,2013

37

•T woUSB2.0connectors

1 2

3 4

•T woUSB3.0connectors

•RJ45Ethernetconnector

•HDMIport

•Externalmonitorconnector

•4-in-1digitalmediacardreaderslot

Opticaldrive

•12.7mmRamboopticaldrive(onsomemodels)

Wirelessfeatures

•IntegratedwirelessLAN

•10/100/1000MbpsEthernetcommunication

Securityfeature

•Fingerprintreader(onsomemodels)

Statusindicators

Thischapterpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.

38HardwareMaintenanceManual

Table1.Statusindicators

IndicatorMeaning

1

Batterystatus
indicator

2

Deviceaccess
statusindicator

3

Wirelessstatus
indicator

•Green:Thebatterychargelevelisbetween80%and100%,orthebatterydischarge
levelisbetween20%and100%.

•Slowblinkinggreen:Thebatterychargelevelisbetween20%and80%,and
chargingiscontinuing.Whenthebatterychargelevelreaches80%,thebatterystatus
indicatorstopsblinking,butthechargingmightcontinueuntilthebatteryis100%
charged.

•Slowblinkingorange:Thebatterychargelevelisbetween5%and20%,andthe
chargingiscontinuing.Whenthebatterychargelevelreaches20%,theblinking
colorchangestogreen.

•Orange:Thebatterydischargelevelisbetween5%and20%.

•Fastblinkingorange:Thebatterychargeordischargelevelis5%orless.

•Off:Thebatteryisdetachedorthecomputerispoweredoff.

Whenthisindicatorison,theharddiskdriveortheopticaldriveisreadingorwritingdata.

Attention:

•Whentheindicatorison,donotputthecomputerintosleepmodeorturnoffthe
computer.

•Whentheindicatorison,donotmovethecomputer.Suddenphysicalshockmight
causedriveerrors.

•Blue:Thewirelessnetworkfeatureison.

•Off:Wirelessnetworkdevicesaredisabledorthewirelessradioisturnedoff.

4

APSstatusindicator•On:TheActiveProtectionSystemprogramisactive.

•Off:TheActiveProtectionSystemprogramisinactive.

Fnkeycombinations

ThefollowingtableshowsthefunctionofeachcombinationofFnwithafunctionkey.

Table2.Functionkeycombinations

KeycombinationDescription

Fn+Esc

Fn+F1Enterssleepmode.

Fn+F2

Fn+F3

Fn+F4Enablesordisablesthecamera.

Fn+F5

Fn+F8Enablesordisablesthetouchpad

Fn+F9

Fn+F10

Fn+F11

Turnsonorturnsoffthekeyboardlight.

Enablesordisablesthebacklightfeatureofthecomputerscreen.

Switchesbetweenthecomputerdisplayandanexternalmonitor.

Enablesordisablesthebuilt-inwirelessfeatures.

StartsorpausesplaybackofWindowsMediaPlayer .

StopsplaybackofWindowsMediaPlayer.

Skipstotheprevioustrack.

Fn+F12

Skipstothenexttrack.

Chapter5.ZhaoYangK4939

Table2.Functionkeycombinations(continued)

KeycombinationDescription

Fn+InsertEnablesordisablesthenumerickeypad.

Fn+Delete

Fn+PrtSc

Fn+Pause

Fn+up/downarrow

Fn+left/rightarrow

Enablesordisablesthescrolllockfunction.

Activatesthesystemrequest.

Activatesthebreakfunction.

Increasesordecreasesthedisplaybrightnesslevel.

Decreasesorincreasesthesoundvolume.

40HardwareMaintenanceManual

Chapter6.FRUreplacementnotices

Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore
replacinganyFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.YoucanndalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstondthemanualforyourproduct.
YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaid
shippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedfor
thereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptof
thereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

Screwnotices

Loosescrewscancauseareliabilityproblem.IntheLenovonotebookcomputer,thisproblemisaddressed
withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:

•Theymaintaintightconnections.

•Theydonoteasilycomeloose,evenwithshockorvibration.

•Theyarehardertotighten.

Dothefollowingwhenyouservicethismachine:

•Keepthescrewkitinyourtoolbag.

•Itisrecommendedtousenewscrews.

•Itrecommendedtouseeachscrewonlyonce.

•Useatorquescrewdriverifyouhaveone.

Tightenscrewsasfollows:

•Plastictoplastic

Turnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart:

•Logiccardtoplastic

Turnanadditional180degreesafterthescrewheadtouchesthesurfaceofthelogiccard:

©CopyrightLenovo2012,2013

41

•T orquedriver

Ifyouhaveatorquescrewdriver,refertotheTorquecolumninthescrewinformationtableforeachstep.

•Makesurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.If
youhaveatorquescrewdriver,tightenallscrewsrmlytothetorquespeciedinthescrewinformation
tableforeachstep.

•Ensuretorquescrewdriversarecalibratedcorrectlyfollowingcountryspecications.

42HardwareMaintenanceManual

Chapter7.RemovingandreplacingaFRU

ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.YoucanndalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstondthemanualforyourproduct.
YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaid
shippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedfor
thereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptof
thereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

Generalguidelines

ThischapterpresentsdirectionsanddrawingsforuseinremovingandreplacingaFRU.Besuretoobserve
thefollowinggeneralrules:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns
theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter6“FRUreplacementnotices”onpage41.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.SuchFRUsare
listedineachFRUreplacementsection.Removethemintheorderinwhichtheyarelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgiveninthedrawingsbythenumbers
insquarecallouts.

5.Whenturningascrew,turnitinthedirectionasgivenbythearrowinthedrawing.

6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowinthedrawing.

7.T oputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.

8.WhenreplacingaFRU,usethecorrectscrew(s)asshownintheprocedures.

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,
removethebatterypack,andthendisconnectanyinterconnectingcables.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,

springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectrical
shortcircuits.

Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge.Before
touchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan
electrostaticdischarge(ESD)strap(P/N6405959).

©CopyrightLenovo2012,2013

43

1010Batterypack

2

1

2

Removalstepsofbatterypack

DANGER

Useonlytheauthorizedbatteryspeciedforyourcomputer.Anyotherbatterycouldigniteor
explode.

Unlockthebatterylatch1.Holdingtheotherbatterylatch(manual)intheunlockedposition2,remove
thebatterypack.

Wheninstalling:Installthebatterypackintheslot.Makesurethatthebatterylatchesareinthelocked
position.

1020Bottomslotcover

Foraccess,removethisFRU:

•“1010Batterypack”onpage44

44HardwareMaintenanceManual

Removalstepsofbottomslotcover

2

1

3

1

2

Loosenthescrews1anddonotremovethem.Thenremovethecover2.

1030Opticaldriveorblankbezel

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Removalstepsofopticaldriveorblankbezel

Removethescrew1.Theninsertascrewdriverintothescrewhole2andpushtheopticaldriveinthe
directionshownbythearrow3.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Torque

Black

1.85kgf-cm

Chapter7.RemovingandreplacingaFRU45

Removalstepsofopticaldrivebezelandopticaldrivebracket

1

1

2

Removethescrews1andthenremovetheopticaldrivebracket.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(2)

1040Memorymodules

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Torque

Black

1.85kgf-cm

46HardwareMaintenanceManual

Removalstepsofmemorymodules

2

1 1

a

b

Releasethetwolatchesonbothedgesofthesocketatthesametimeinthedirectionshownbythearrows

1,andthenunplugthememorymoduleinthedirectionshownbythearrow2.

Wheninstalling:Insertthenotchedendofthememorymoduleintotheslot.Pressthememorymodule
rmly,andpivotituntilitsnapsintoplace.Makesurethatitisrmlyinstalledintheslotanddoesnot
moveeasily.

Note:Ifonlyonememorymoduleistobeinstalledonthecomputeryouareservicing,thememorymodule
mustbeinstalledinSLOT -0(

alowerslot),butnotinSLOT -1(bupperslot).

1050Harddiskdriveassembly

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethecomputerisoperatingorisinsuspendmode.

Chapter7.RemovingandreplacingaFRU47

Removalstepsofharddiskdriveassembly

1

1

2

3

Removethescrews1.Thenpullthetabinthedirectionshownbythearrow2.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Black

Torque

1.85kgf-cm

Removetheharddiskdrivefromtheslot3.

Wheninstalling:Makesurethattheharddiskdriveconnectorisattachedrmly.

48HardwareMaintenanceManual

Removalstepsofharddiskdrivebracket

1

1

1

1

2

Removethescrews1.

StepScrew(quantity)Color

1

M3×2.8mm,at-head,nylon-coated(4)

Removetheharddiskdrivebracketinthedirectionshownbythearrow2.

1060PCIExpressMiniCardforwirelessLAN

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Torque

Black

4.0kgf-cm

Chapter7.RemovingandreplacingaFRU49

RemovalstepsofPCIExpressMiniCardforwirelessLAN

2

1

1

3

Insteps1,unplugtheconnectorsusingtheremovaltoolantennaRFconnector(P/N:08K7159)orpickthe
connectorswithyourngersandgentlyunplugtheminthedirectionofthearrows.Thenremovethescrew2.

StepScrew(quantity)Color

2

M2×3mm,at-head,nylon-coated(1)

Black

Torque

1.85kgf-cm

Removethecardinthedirectionshownbythearrow3.

Wheninstalling:Plugtheblackcable(MAIN)intothejacklabeledM,andthewhitecable(AUX)intothejack
labeledAonthecard.

50HardwareMaintenanceManual

1070mSA TAsolid-statedrive(onsomemodels)

1

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethecomputerisoperatingorisinsuspendmode.

RemovalstepsofmSATAsolid-statedrive

Removethescrew1.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Torque

Black

Chapter7.RemovingandreplacingaFRU51

1.85kgf-cm

RemovethemSATAsolid-statedriveinthedirectionshownbythearrow2.

2

1

1080Thermalmodule

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Removalstepsofthermalmodule

Detachthefanconnector1.

Wheninstalling:Makesurethattheconnectorisattachedrmly.

52HardwareMaintenanceManual

Loosenthescrews2to8,anddonotremovethem.

5

2

4

3

7

8

6

Chapter7.RemovingandreplacingaFRU53

Liftthefanassemblyinthedirectionshownbythearrow9.

9

a

b

Note:Becarefulnottodamagetheconnector.

Wheninstalling:Beforeyouattachthethermalmoduletothecomputer,applythermalgrease,atanamount

of0.2grams,onthepartmarkedaandbasshowninthefollowingillustration.Eithertoomuchortooless
applicationofgreasecancauseathermalproblemduetoimperfectcontactwithacomponent.

1090CPU

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1080Thermalmodule”onpage52

Attention:TheCPUisextremelysensitive.WhenyouservicetheCPU,avoidanykindofroughhandling.

54HardwareMaintenanceManual

RemovalstepsofCPU

22

a

b

1

Rotatetheheadofthescrewinthedirectionshownbythearrow1toreleasethelock;thenremovethe
CPU2.

Wheninstalling:PlacetheCPUabovetheCPUsocketa,andthenrotatetheheadofthescrewinthe
directionshownbythearrowbtosecuretheCPU.

1100Keyboard

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Chapter7.RemovingandreplacingaFRU55

Removalstepsofkeyboard

1

1

2

2

Removethescrews1.

Wheninstalling:Makesurethatthescrewsarefastenedandthekeyboardissecured.

StepScrew(quantity)Color

1

M2×6mm,at-head,nylon-coated(2)

Black

Pushhardinthedirectionshownbythearrows2tounlatchthefrontsideofthekeyboard.

Torque

1.85kgf-cm

56HardwareMaintenanceManual

Detachthekeyboardlightly3.Thenremovethekeyboardinthedirectionshownbythearrows4.

3

4

4

4

Chapter7.RemovingandreplacingaFRU57

Carefullyliftthekeyboarduntilyoucanseehowit’sconnected.Holdthekeyboardabovethecomputer,and

5

6

7

thendetachthekeyboardconnector7.

Wheninstalling:Makesurethatthekeyboardconnectorisattachedrmly.

1110Keyboardbezel

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1100Keyboard”onpage55

58HardwareMaintenanceManual

Removalstepsofkeyboardbezel

1

1

1

1

1

1

2

2

2

1

3

3

3

1

1

1

4

4

Removethescrews1,2,and3thatsecurethekeyboardbezel.

StepScrew(quantity)Color

1

2

3

M2×6mm,at-head,nylon-coated(10)

M2×3mm,at-head,nylon-coated(3)

M2×3mm,at-head,nylon-coated(3)

Black

Black

Black

Torque

1.85kgf-cm

1.85kgf-cm

1.85kgf-cm

Removethescrews4.

StepScrew(quantity)Color

4

M2×6mm,at-head,nylon-coated(2)

Torque

Black

Chapter7.RemovingandreplacingaFRU59

1.85kgf-cm

Detachtheconnectorsinthefollowingillustration.

12

11

13

8

7

6

5

9

10

14

14

14

14

14

14

14

14

14

15

Wheninstalling:Makesurethatalltheconnectorsareattachedrmly.

Insteps

14,releasethekeyboardbezelfromtheframeusingaplasticprytoolasshowninthefollowing

illustration.

1120Fingerprintboard

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

60HardwareMaintenanceManual

•“1030Opticaldriveorblankbezel”onpage45

1

2

3

3

3

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

Removalstepsofngerprintboard

Removethescrew1.Thenremovethengerprintboardbracket2andngerprintboard3.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Black

Torque

1.85kgf-cm

1130Functionboardandmicrophone

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

Chapter7.RemovingandreplacingaFRU61

Removalstepsoffunctionboard

2

2

1

1

1

1

1

1

1

Removethescrew1.Thenremovethefunctionboardinthedirectionshownbythearrow2.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Removalstepsofmicrophone

Peeloffthemylartapes1.

Torque

Black

1.85kgf-cm

62HardwareMaintenanceManual

Removethemicrophoneinthedirectionshownbythearrow2.

2

2

2

1

2

2

1140Powerboard

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

Removalstepsofpowerboard

Removethescrew1.Thenremovethepowerboardinthedirectionshownbythearrows2..

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Black

Torque

1.85kgf-cm

1150Backupbattery

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

Chapter7.RemovingandreplacingaFRU63

Removalstepsofbackupbattery

DANGER

Useonlytheauthorizedbatteryspeciedforyourcomputer.Anyotherbatterycouldigniteor
explode.

Insertascrewdriverintothescrewholeandpushthebackupbatteryasshowninthefollowingillustration.

1160Speakerassembly

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

64HardwareMaintenanceManual

Removalstepsofspeakerassembly

3

4

1

2

5

5

5

5

6

6

DetachLCDcable2.Thendisconnectthespeakerassemblyconnectors3and4.

Removethescrews5.Thenremovethespeakerassemblyinthedirectionshownbythearrows6.

StepScrew(quantity)Color

5

M2.5×5.7mm,at-head,nylon-coated(4)

Torque

Black

Chapter7.RemovingandreplacingaFRU65

1.85kgf-cm

1170Systemboardassembly

4

5

2

3

1

1

1

Importantnoticesforhandlingthesystemboard:

Whenhandlingthesystemboard,bearthefollowinginmind:

•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,orcomposite.

•Avoidroughhandlingofanykind.

•Ateverypointintheprocess,besurenottodroporstackthesystemboard.

•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatoracorrugated
conductivesurface.

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1040Memorymodules”onpage46

•“1050Harddiskdriveassembly”onpage47

•“1060PCIExpressMiniCardforwirelessLAN”onpage49

•“1070mSATAsolid-statedrive(onsomemodels)”onpage51

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

•“1150Backupbattery”onpage63

•“1160Speakerassembly”onpage64

Removalstepsofsystemboardassembly

Removethescrews1.ThendetachLCDcable3andspeakerassemblyconnectors4and5.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(3)

Black

Torque

1.85kgf-cm

66HardwareMaintenanceManual

Removethesystemboardinthedirectionshownbythearrow6.ThendetachtheandDC-incableandUSB

7

8

6

cableconnectors7and8.

1180LCDunit

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1060PCIExpressMiniCardforwirelessLAN”onpage49

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

•“1170Systemboardassembly”onpage66

Chapter7.RemovingandreplacingaFRU67

RemovalstepsofLCDunit

1

1

1

1

Releasetheantennacablesfromthecableguides.Thenremovethescrews1.

StepScrew(quantity)Color

1

M2.5×6mm,at-head,nylon-coated(4)

Black

Torque

1.6kgf-cm

Wheninstalling:

•Routetheantennacablesalongthecableguides.Asyouroutethecables,makesurethattheyarenot
subjecttoanytension.Tensioncouldcausethecablestobedamagedbythecableguides,orawireto
bebroken.

•MakesurethattheLCDconnectorisattachedrmlyandmakesurethatyoudonotpinchtheantenna
cableswhenyouattachtheLCDassembly.RoutetheLCDcablealongthecableguides.

68HardwareMaintenanceManual

RemovetheLCDunitinthedirectionshownbythearrows2.

2

2

1190DC-inbracket,DC-incable,USBbracket,USBcable,andbase cover

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

•“1030Opticaldriveorblankbezel”onpage45

•“1040Memorymodules”onpage46

•“1050Harddiskdriveassembly”onpage47

•“1060PCIExpressMiniCardforwirelessLAN”onpage49

•“1070mSATAsolid-statedrive(onsomemodels)”onpage51

•“1100Keyboard”onpage55

•“1110Keyboardbezel”onpage58

•“1160Speakerassembly”onpage64

•“1170Systemboardassembly”onpage66

•“1180LCDunit”onpage67

Chapter7.RemovingandreplacingaFRU69

RemovalstepsofDC-inbracketandDC-incable

2

1

1

1

2

3

RemovetheDC-inbracketscrew1.ThenremovetheDC-inbracket2andDC-incable3.

RemovalstepsofbracketandUSBcable

RemovetheUSBbracketscrews1.ThenremovetheUSBbracket2andUSBcable3.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(2)

Black

Torque

1.85kgf-cm

Wheninstalling:MakesurethatthescrewsarefastenedtothebasecoverandtheUSBbracketissecured.

70HardwareMaintenanceManual

Applyinglabelstothebasecover

1 2

3

5

4

Thenewbasecoverisshippedwithakitcontaininglabelsofseveralkinds.Applythoselabelslistedwhen
youreplacethebasecover.Forthelabelswhicharenotshippedwiththenewbasecover,peelthemoff
fromtheoldbasecover,andadherethemtothenewone.

Note:IfyoureplaceapartwiththeWindowsCerticateofAuthentication(COA)label1,returntheoldpart
withthelabelattachedtothecustomer.Otherwise,youcanprovidethecustomerwithaletter,statingthe
originallocationofthelabelonthecomputerandtheinformationonthelabel,suchasthepartnumber,
serialnumber,andproductkey.

Thefollowingillustrationshowsthelabellocationsonthebasecover.

2Chinalabel

3ECClabel

4RatinglabelI

5RatinglabelII

2010LCDfrontbezel

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1180LCDunit”onpage67

Chapter7.RemovingandreplacingaFRU71

RemovalstepsofLCDfrontbezel

1

1

2

2

2

2

Removethescrews1.

StepScrew(quantity)Color

1

M2×4mm,at-head,nylon-coated(2)Silver

RemovetheLCDfrontbezelinthedirectionshownbythearrows2.

Torque

1.85kgf-cm

Wheninstalling:Makesurethatallthelatchesareattachedrmly.Thensecurethebezelwiththescrews.

72HardwareMaintenanceManual

2020Integratedcamera

1

2

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1180LCDunit”onpage67

•“2010LCDfrontbezel”onpage71

Removalstepsofintegratedcamera

RemovetheintegratedcamerafromtheLCDcoverasshowninthefollowingillustration.

Note:TheintegratedcameraisstuckonthetopcenteroftheLCDcover.

Wheninstalling:SticktheintegratedcameratothetopcenteroftheLCDcoverandadjusttheplacementto

makesurethattheconnectorisattachedrmly.

2030LCDpanelandLCDcable

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1180LCDunit”onpage67

•“2010LCDfrontbezel”onpage71

Chapter7.RemovingandreplacingaFRU73

RemovalstepsofLCDpanelandLCDcable

2

1

1

1

1

3

4

Removethescrews1.ThenremovetheLCDpanelinthedirectionshownbythearrow2.

StepScrew(quantity)Color

1

M2×3.5mm,at-head,nylon-coated(4)Silver

RemovetheLCDcableasshowninthefollowingillustration.

Torque

1.85kgf-cm

Wheninstalling:Makesurethattheconnectorisattachedrmly.

74HardwareMaintenanceManual

Removalstepsofhinges

1

1

1

1

1

1

3

3

2

2

Removethescrews1andreleasetheantennacablesfromcableguides2.Thenremovethehingesin
thedirectionshownbythearrows3.

StepScrew(quantity)Color

1

2040Hinges

Foraccess,removetheseFRUsinorder:

M2×3mm,at-head,nylon-coated(6)

•“1010Batterypack”onpage44

•“1180LCDunit”onpage67

•“2010LCDfrontbezel”onpage71

Torque

Black

Chapter7.RemovingandreplacingaFRU75

1.85kgf-cm

Removalstepsofhinges

1

1

1

1

1

1

3

3

2

2

Removethescrews1andreleasetheantennacablesfromcableguides2.Thenremovethehingesin
thedirectionshownbythearrows3.

StepScrew(quantity)Color

1

2050AntennaassemblyandLCDcover

Foraccess,removetheseFRUsinorder:

M2×3mm,at-head,nylon-coated(6)

•“1010Batterypack”onpage44

•“1180LCDunit”onpage67

•“2010LCDfrontbezel”onpage71

•“2020Integratedcamera”onpage73

•“2030LCDpanelandLCDcable”onpage73

76HardwareMaintenanceManual

Torque

Black

1.85kgf-cm

RemovalstepsofantennaassemblyandLCDcover

1

1

ReleasetheantennacablesfromthecableguidesontheLCDcoverassemblyandfromthehingesin
thedirectionshownbythearrows1.

Cablerouting:Routetheantennacablesalongthecableguidesandsecuretheantennaboardswith
adhesivetapes.Asyouroutethecables,makesurethattheyarenotsubjecttoanytension.T ensioncould
causethecablestobedamagedbythecableguides,orawiretobebroken.

Chapter7.RemovingandreplacingaFRU77

78HardwareMaintenanceManual

Chapter8.Locations

2

2

1

5

6

4

3

7

8

9

10

11

12

13

ThischapterintroducesthelocationofthehardwarecomponentsonZhaoY angK49models.

Frontview

1Integratedcamera(onsomemodels)

2Wirelessmoduleantennas

3Mutebutton10Integratedmicrophone

4APSbutton11Speakers(left)

5Speakers(right)

6Fingerprintreader(onsomemodels)

7Mediacardreaderslot

1

Figure

©CopyrightLenovo2012,2013

8Touchpad

9Systemindicators

12Powerbutton

13Recoverybutton

1

Forthedescriptionoftheindicators,see“Statusindicators”onpage38.

1.ZhaoYangK49frontview

79

Right-sideview

1

2

3

4

1USBconnector3USB/eSATAcomboconnector

2Opticaldriveorblankbezel4Comboaudiojack

Figure2.ZhaoYangK49right-sideview

80HardwareMaintenanceManual

Bottomandleft-sideview

1

2

3

4

5

6

7

8

9

10

1Batterylatch(manual)

2Batterypack7RJ45Ethernetconnector

3Batterylatch(spring-loaded)

4Securitykeyhole9USB3.0connectors

5Fanlouvers10Bottomslotcover

1

Thememorymodules,harddiskdrive,andwirelesscardsarelocatedunderneaththebottomslotcover.

6Monitorconnector

8HDMIport

1

Figure3.ZhaoYangK49bottomandleft-sideview

Chapter8.Locations81

82HardwareMaintenanceManual

Chapter9.Partslist

Thischaptercontainsfollowinglistsoftheserviceparts.

•“Overall”onpage84

•“LCDFRUs”onpage86

•“Keyboard”onpage88

•“Miscellaneousparts”onpage88

•“acpoweradapters”onpage88

•“Powercords”onpage88

Notes:

•EachFRUisavailableforalltypesormodels,unlessotherwisespecied.

•ACRU(customerreplaceableunit)isidentiedbyasingleasterisk(*)ortwoasterisks(**)intheCRUIDcolumn.An
NintheCRUIDcolumnmeansthatthepartisnotaCRU.Asingleasterisk(*)meansthatthepartisaSelf-service
CRU;twoasterisks(**)meansthatthepartisanOptional-serviceCRU.

ExternalCRUstatementtocustomers:

Someproblemswithyourproductcanberesolvedwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasSelf-serviceCRUsandothersare
designatedasOptional-serviceCRUs.InstallationofSelf-serviceCRUsisyourresponsibility;youmayrequest
thatLenovoinstallsanOptional-serviceCRUaccordingtothewarrantyserviceforyourproduct.Whereyouare
installingtheCRU,LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshipped
withyourproductandareavailablefromLenovoatanytimeuponrequest.Y oumayndalistofCRUsinthe
publicationsthatshipwithyourproductorathttp://www.lenovo.com/CRUs.Y oumayberequiredtoreturnthe
defectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,
andacontainerwillbeincludedwiththereplacementCRU;and(2)youmaybechargedforthereplacementCRUif
Lenovodoesnotreceivethedefectivepartwithinthirty(30)daysofyourreceiptofthereplacementCRU.Seeyour
LenovoLimitedWarrantydocumentationforfulldetails.

LenovocomputerscontainthefollowingtypesofCRUs:
–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.Examplesofthesetypes

ofCRUsincludetheacpoweradapter,powercord,battery,andharddiskdrive.Otherself-serviceCRUs
dependingonproductdesignmightincludethememorymodule,wirelesscard,keyboard,andpalmrest
withngerprintreaderandtouchpad.

–Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerthatareconcealedbyanaccess

panelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,thespecic
CRUisvisible.

©CopyrightLenovo2012,2013

83

Overall

1

2

a

4

3

b

5

c

d

6

8

7

e

f

9

h

10

i

11

g

j

k

12

13

14

15

16

17

18

19

20

21

Table3.Partslist—Overall

No.

FRU(Overall)

a-k

See“Miscellaneousparts”onpage88.

1

LCDunit(see“LCDFRUs”onpage86

)

2LLPPowerBoard90000350N

FRUNo.

CRU
ID

3LLPFunctionBoard90000351N

90201078N

4

LLPUpperCaseW/TP

5

LLPFingerPrintBoard90000349N

84HardwareMaintenanceManual

Table3.Partslist—Overall(continued)

No.

FRU(Overall)

FRUNo.

6Batterypack,6cell,2.2Ah121500047

121500049
121500048
121500050

6Batterypack,6cell,2.8Ah121500052

121500053

7

LLPSpeakerL

8

LLPSpeakerR

9

LLPLowerCase

10

Opticaldrive,12.7mm,Rambo

90201084N

90201085N

90201073N

25201635
25201106
25201499
25201487

10Blankbezel101500142N

11LLPRAMDoor90201074N

12

SATAharddiskdrive,320G,5400rpm

16005211
16200068
16200097

12

SATAharddiskdrive,500G,5400rpm

16200067
16200118
16200090
16200098

12

SATAharddiskdrive,320G,7200rpm

16005030
16200194
16200092
16200099

12

SATAharddiskdrive,500G,7200rpm

16200124
16200195
16200100

12

SATAharddiskdrive,750G,5400rpm

16200119
16200121
16200192

12

SATAharddiskdrive,1TB,5400rpm

16200120
16200193

13

mSATAsolid-statedrive,16G

16200215
16200241

13

mSATAsolid-statedrive,128G

16200131
16200129
16200240

14

Intel6205NMOWMPCIENBHMCWLAN

14

Intel2230BGN+BTMPCIEHMCWlan

14

BroadcomBCM43228+BCM20702abgn&BT4.0

20002533N

20200078N

20200098
20200099

14

BroadcomBCM4313+BCM20702bgn&&BT4.0

20200100
20200101

14

CybertanBroadcomBCM43131x1BGNMOW

20200102N

CRU
ID

N

N

N

N

N

N

N

N

N

N

N

N

N

Chapter9.Partslist85

Table3.Partslist—Overall(continued)

No.

FRU(Overall)

14

LiteonRealtek1x1BGNHMCWLANStockton

15Microprocessor1100365N

16

Memorymodule,2GB,DDRIII1600

16

Memorymodule,4GB,DDRIII1600

17

LLPMBDISN13P-NS2GW/HDMIWO/BT/3G

17

LLPMBW8DISN13P-NS12GWO/BT/3G

17

LLPMBW8PDISN13P-NS12GWO/BT/3G

18

LSSThermalModuleDIS,withFAN

19LLPMicrophone90201081N

20

Keyboard(see“Keyboard”onpage88)

—

acpoweradapter(see“acpoweradapters”onpage88

)

FRUNo.

20200016N

11200340
11200639
11200346
11200343

11200341
11200640
11200347
11200344

90000352N

90001428N

90001429N

90200874N

CRU
ID

N

N

LCDFRUs

ZhaoYangK49modelsusea14-inch,high-denition(HD),light-emittingdiode(LED),liquid-crystaldisplay
(LCD).(T able4“Partslist-LCD”onpage87).

86HardwareMaintenanceManual

1

2

3

4

5

6

8

7

Table4.Partslist-LCD

No.FRUFRUNo.

CRU
ID

1

LLPLCDBezelW/Camerahole

2LLPHingeL+R90201077N

3LLPAntennaR90201080N

4

LSSCamera1M

5

LLPLCDCoverW/Sponge

6

LLPLCDCable

7

LLPAntennaL90201079N

8

LCDmodule,14.0-inch,HD,anti-glair

90201072N

90000319N

90201071N

90201063N

18200240

N
18200238
18200237
18200239

Chapter9.Partslist87

Keyboard

Table5.Partslist-Keyboard

Language

U.S.English

FRUNO.

(Windows7)

25203603
25203604

FRUNO.
(Windows

8)

25210002
25210003
25210004

Miscellaneousparts

Table6.Partslist-Systemmiscellaneousparts

FRUFRUNo.

(d)LSSFPBracket

(e)LLPDC-INBracket

(g)LLPUSBBracket

(i)LLPODDBracket

(j)LLPODDBezel

(k)LLPHDDBracket

LLPLCDBezelScrewPad

LLPScrewpack

CRUID

N

CRU
ID

90201001N

90201069N

90201068N

90201070N

90201075N

90201076N

90201082N

90201083N

Table7.Partslist-Cablemiscellaneousparts

FRUFRUNo.

(a)LLPPowerBoardCable

(b)LLPFunctionBoardCable

(c)LSSFPBoardCable

(f)LLPDC-INCable

(h)LLPUSBBoardCable

acpoweradapters

Table8.Partslist—acpoweradapters

FRUFRUNo.

3-pinadapter36001941

Powercords

ALenovopowercordforaspeciccountryorregionisusuallyavailableonlyinthatcountryorregion.

CRU
ID

90201064N

90201065N

90000318N

90201067N

90201066N

CRU
ID

N
36001927
36001942

88HardwareMaintenanceManual

Table9.Partslist-3-pinpowercords

Countryorregion

China

FRUNo.

CRU
ID

145000600

N
145000568
145000538

Chapter9.Partslist89

90HardwareMaintenanceManual

AppendixA.Notices

Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult
yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour
area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat
Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice
thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser's
responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.

Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis
document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Youcansend
licenseinquiries,inwriting,to:

Lenovo(UnitedStates),Inc.
1009ThinkPlace-BuildingOne
Morrisville,NC27560
U.S.A.
Attention:LenovoDirectorofLicensing

LENOVOPROVIDESTHISPUBLICA TION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,
MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Somejurisdictionsdonotallow
disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply
toyou.

Thisinformationcouldincludetechnicalinaccuraciesortypographicalerrors.Changesareperiodically
madetotheinformationherein;thesechangeswillbeincorporatedinneweditionsofthepublication.
Lenovomaymakeimprovementsand/orchangesintheproduct(s)and/ortheprogram(s)describedinthis
publicationatanytimewithoutnotice.

Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport
applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis
documentdoesnotaffectorchangeLenovoproductspecicationsorwarranties.Nothinginthisdocument
shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo
orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspecicenvironmentsandis
presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.

Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout
incurringanyobligationtoyou.

Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin
anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof
thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.

Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult
obtainedinotheroperatingenvironmentsmayvarysignicantly.Somemeasurementsmayhavebeen
madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame
ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough
extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir
specicenvironment.

©CopyrightLenovo2012,2013

91

Electronicemissionsnotices

ForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationin
theUserGuide.

EUcontact:Lenovo,Einsteinova21,85101Bratislava,Slovakia

Trademarks

ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountriesorboth:

ActiveProtectionSystem
Lenovo
OneKey

WindowsisthetrademarkoftheMicrosoftgroupofcompanies.

IntelisthetrademarkofIntelCorporationoritssubsidiariesintheUnitedStates,othercountries,orboth.

Othercompany,product,orservicenamesmaybethetrademarksorservicemarksofothers.

92HardwareMaintenanceManual