HardwareMaintenanceManualLenovoB490,B4301,B4302,B4303,B4305,B4306,B4307,B4308,B4309,B4310,B4311,B4312,B4315,B4316,B4317,B4318,B4319,B4320,B4321,B4322,
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.WhenhandlingESD-sensitiveparts:•Keepthepartsinprotectivepackagesu
Table18.Partslist-2-pinpowercords(Linetek)(continued)CountryorregionFRUno.CRUIDAustralia•LINETEKLP15A+H03VVH2-F+LS71m145500023*CCC•LINETEKPC205+RVV0.7
AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat
ElectronicemissionsnoticesForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationintheUserGuide.EUcontact:Lenovo,Ein
PartNumber:PrintedinChina(1P)P/N:*1P*
DANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation5
DANGER6HardwareMaintenanceManual
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PERIGOPERIGOPERIGOPERIGOPERIGOPERIGO8HardwareMaintenanceManual
PERIGOPERIGODANGERDANGERDANGERChapter1.Safetyinformation9
DANGERDANGERDANGERDANGERDANGERVORSICHT10HardwareMaintenanceManual
VORSICHTVORSICHTVORSICHTVORSICHTChapter1.Safetyinformation11
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Chapter1.Safetyinformation13
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage95.FourthEdition(April2013)©Copyr
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Chapter1.Safetyinformation15
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Chapter1.Safetyinformation17
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Lasercompliancestatement(multilingualtranslations)Thelasercompliancestatementsinthissectionareprovidedinthefollowinglanguages:•English•Arabic•Brazilia
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Chapter1.Safetyinformation21
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Chapter1.Safetyinformation23
ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...2Safetyinspectiongu
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Chapter1.Safetyinformation25
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Chapter2.ImportantserviceinformationThischapterpresentsthefollowingimportantserviceinformationthatappliestoallmachinetypessupportedbythismanual:•“Stra
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthes
Chapter3.GeneralcheckoutThischapterpresentsfollowinginformation:•“Whattodorst”onpage29•“Powersystemcheckout”onpage30Beforeyougotothecheckoutguide,bes
•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,ortheinsertionofadiskettewithmultiplelabels•Damagedorbentdiskett
Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.CheckingoperationalchargingTocheckwhetherthebatterychargesproperlyduringoperation,useadisc
Iftheresistanceisnotcorrect,replacethebatterypack.Iftheresistanceiscorrect,replacethesystemboard.32HardwareMaintenanceManual
Chapter4.RelatedserviceinformationThischapterpresentsthefollowinginformation:•“Recoveringthecomputersettings”onpage33•“Passwords”onpage33•“Powermanage
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Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthecomputeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.N
Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewsecondsbeforetakinganyactiontoreenteroperationmode.HibernationmodeInhib
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Chapter5.LenovoproductinformationThischapterpresentstheproduct-specicservicereferencesandpartsinformationforthecomputer.•“Specications”onpage37•“Sta
Opticaldrive•12.7mmRamboopticaldriveWirelessfeatures•IntegratedwirelessLAN•100/1000MbpsEthernetcommunicationStatusindicatorsThischapterpresentsthesyst
Table1.Statusindicators(continued)IndicatorMeaning3DeviceaccessstatusindicatorOn:Theharddiskdriveoropticaldriveisreadingorwritingdata.Attention:•Whent
Table2.Functionkeycombinations(continued)KeycombinationDescriptionFn+HomeHasthesamefunctionasthePausekeyonaconventionalkeyboard.Fn+EndHasthesamefuncti
Chapter6.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf
•T orquedriverIfyouhaveatorquescrewdriver,refertotheTorquecolumninthescrewinformationtableforeachstep.•Makesurethatyouusethecorrectscrew.Itisrecommend
Chapter7.RemovingandreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourp
AboutthismanualThismanualprovidesserviceandreferenceinformationforthefollowingLenovo®products.MachineMachinetype(MT)LenovoB490,B4301,B4302,B4303,B4305
1010BatterypackRemovalstepsofbatterypackDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.Unlockthespri
RemovalstepsofbottomslotcoverRemovethescrews1,andthenremovethecover2.1122StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(2)Black1.85kgf-cm
Insertascrewdriverintothescrewhole2andpushtheopticaldriveinthedirectionshownbythearrow3.Thenremovetheopticaldrive.32Removalstepsofopticaldrivebezeland
RemovalstepsofmemorymodulesReleasethetwolatchesonbothedgesofthesocketatthesametimeinthedirectionshownbythearrows1,andthenunplugthememorymoduleinthedir
RemovalstepsofharddiskdriveassemblyRemovethescrew1,thenpullthetabinthedirectionshownbythearrow2.12StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon
Removetheharddiskdrivebracketasshownbythearrow2.21060PCIExpressMiniCardforwirelessLANForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020
Removethecardinthedirectionshownbythearrow3.3Wheninstalling:Plugtheblackcable(MAIN)intothejacklabeledA,andthewhitecable(AUX)intothejacklabeledBontheca
RemovethemSATAsolid-statedrive2.21080BackupbatteryForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”onpage44Removalstep
RemovalstepsofkeyboardRemovethescrews1.111Wheninstalling:Ensurethatthescrewshavebeenfastenedtosecurethekeyboard.StepScrew(quantity)ColorTorque1M2.5×8m
Removethekeyboardinthedirectionshownbythearrow3.3Chapter7.RemovingandreplacingaFRU53
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Carefullyliftthekeyboarduntilyoucanseehowit’sconnected.Holdthekeyboardabovethecomputer4,andthendetachthekeyboardconnector.564Wheninstalling:Ensurethat
RemovalstepsofkeyboardbezelRemovethescrews1and2thatsecurethekeyboardbezel.22211111111111StepScrew(quantity)ColorTorque1M2.5×8mm,at-head,nylon-coated(
Detachtheconnectors.76945Wheninstalling:Ensurethatalltheconnectorsareattachedrmly.Removethekeyboardbezel.101110LEDboardForaccess,removetheseFRUsinord
•“1090Keyboard”onpage51•“1100Keyboardbezel”onpage54RemovalstepsofLEDboardPeeloffthemylartape1..1RemovetheLEDboard221120PowerboardForaccess,removethese
RemovalstepsofpowerboardRemovethescrew1andthenremovethepowerboard2.21StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(1)Black1.85kgf-cm1130
1140MediacardreaderslotboardForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”onpage44•“1030Opticaldrive”onpage45•“1090
Removethemediacardreaderslotboard.41150SystemboardassemblyandUSBboardImportantnoticesforhandlingthesystemboard:Whenhandlingthesystemboard,bearthefollo
RemovalstepsofsystemboardassemblyandUSBboardRemovethescrews1,andthendetachtheconnectorsasshowninthefollowingillustration.11342589176StepScrew(quantity
RemovetheUSBboardasshowninthefollowingillustration.1160ThermalmoduleForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”o
RemovalstepsofthermalmoduleDetachthefanconnector1.1Wheninstalling:Ensurethattheconnectorisattachedrmly.Loosenthescrews2to8.3452768Chapter7.Removingan
Chapter1.SafetyinformationThischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouserviceaLenovoNotebook.•“Generalsafety”onpa
Liftthefanassemblyinthedirectionshownbythearrow9.Note:Becarefulnottodamagetheconnector.964HardwareMaintenanceManual
Wheninstalling:Beforeyouattachthethermalmoduletothecomputer,applythermalgrease,atanamountof0.2grams,onthepartmarkedaandbasshowninthefollowingillustrat
•“1100Keyboardbezel”onpage54•“1130Microphoneassembly”onpage58•“1150SystemboardassemblyandUSBboard”onpage60•“1160Thermalmodule”onpage62Attention:Themic
•“1130Microphoneassembly”onpage58•“1140Mediacardreaderslotboard”onpage59•“1150SystemboardassemblyandUSBboard”onpage60RemovalstepsofLCDunitReleasethean
RemovetheLCDunitinthedirectionshownbythearrow2.21190SpeakerassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”on
RemovalstepsofspeakerassemblyRemovethescrews1.Thenremovethespeakerassembly2.211211StepScrew(quantity)ColorTorque1M2.5×5.7mm,at-head,nylon-coated(4)Bl
RemovalstepsofDC-inconnectorandbasecoverRemovethescrews1,andthenremovetheDC-inconnectorinthedirectionshownbythearrow2.211StepScrew(quantity)ColorTorqu
11127892410635113141IndonesiaDsidelabel8Israellabel2WirelessWANIMEIbarcodelabel9Israellabel3BrazilBluetoothlabel/BluetoothlabelforUnitedStates/Canada/
RemovalstepsofLCDfrontbezelRemovethescrews1.11StepScrew(quantity)ColorTorque1M2×3.5mm,at-head,nylon-coated(2)Black1.85kgf-cmRemovetheLCDfrontbezelint
RemovalstepsofcameraRemovethecamerafromtheLCDcoverasshowninthefollowingillustration.Note:ThecameraisstuckonthetopcenteroftheLCDcover.12Wheninstalling:
ElectricalsafetyObservethefollowingruleswhenworkingonelectricalequipment.Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescovere
RemovalstepsofLCDpanelandLCDcableRemovethescrews1.ThenremovetheLCDpanelwithhingesinthedirectionshownbythearrow2.1111211StepScrew(quantity)ColorTorque1
RemovetheLCDcable.12Wheninstalling:Ensurethatthecableisattachedrmly.2040AntennaassemblyandLCDrearcoverForaccess,removetheseFRUsinorder:•“1010Batteryp
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Chapter8.LocationsThischapterpresentsthelocationsofthehardwarecomponents.Frontview21298434576Figure1.Frontview1Integratedcamera(onsomemodels)6Touchpad
Right-sideview12345Figure2.Right-sideview1Comboaudiojack4USBconnector2USBconnector5acpowerconnector3OpticaldriveBottomandleft-sideview45678109123Figur
Chapter9.PartslistThischaptercontainsfollowinglistsoftheserviceparts.•“Overall”onpage80•“LCDFRUs”onpage84•“Keyboard”onpage86•“Miscellaneousparts”onpag
Overall12356710d9c811e12131415f171821gh23b2019162212345678cefgdab910111213141516171819202122Table3.Partslist—OverallNo.FRU(Overall)FRUno.CRUID1LCDunit
Table3.Partslist—Overall(continued)No.FRU(Overall)FRUno.CRUID2KeyboardbezelforBrazil,withngerprintreader04X1158N3LB48LEDBoardW/Cable50.4TF03.00190000
Table3.Partslist—Overall(continued)No.FRU(Overall)FRUno.CRUID11WirelessLANcard,Non-Intel1x111bgn,Realtekbgn1x1HMCWLANStockton2020001660Y3249*12Solidst
Table3.Partslist—Overall(continued)No.FRU(Overall)FRUno.CRUID17MemoryModule,DDRIII16002GB,Sharetronic(Micron),SM321NH08IAF11200396*17MemoryModule,DDRI
–Usecaution;donotbecomeavictimyourself.–Switchoffpower.–Sendanotherpersontogetmedicalaid.SafetyinspectionguideThepurposeofthisinspectionguideistoassis
Table3.Partslist—Overall(continued)No.FRU(Overall)FRUno.CRUID19SystemboardassemblyforBrazil,Windows8,IntelHM77,integrated,withoutSmallBusinessAdvantag
i7123456Table4.Partslist-LCDNo.FRUFRUno.CRUID1LB49ALCDBezelW/CameraHole90201838N1LB49ALCDBezelWO/CameraHole90201839N1LCDbezelforBrazil04X1168N2Hinges9
Table4.Partslist-LCD(continued)No.FRUFRUno.CRUID7PanelforBrazil,14.0HD04W400804W402304W400704W406404X1910N7Panel,14.0HD,BOEHB140WX1-10018200154N7Panel
Table6.Partslist-Keyboard(Dafon)(continued)LanguageFRUNO.(Windows7)FRUNO.(Windows8)CRUIDIndian2520446125209361NItalian2520443425209334NJapanese2520444
Table7.Partslist-Keyboard(Sunrex)(continued)LanguageFRUNO.(Windows7)FRUNO.(Windows8)CRUIDLatin2520446925209369NPortuguese2520446825209368NRussian25204
Table8.Partslist-Keyboard(Chicony)(continued)LanguageFRUNO.(Windows7)FRUNO.(Windows8)CRUIDSwiss2520442725209327NSpanish2520440625209306NThai2520440825
Table10.Partslist—2-pin(65W)acpoweradapters(continued)FRUFRUno.CRUIDDeltaADP-65SBA,EPAmodel36200143*LiteonPA-1650-53I,EPAmodel36200144*ChiconyPowerA06
PowercordsALenovopowercordforaspeciccountryorregionisusuallyavailableonlyinthatcountryorregion.Table14.Partslist-3-pinpowercords(Brazil)Countryorregi
Table15.Partslist-3-pinpowercords(Linetek)(continued)CountryorregionFRUno.CRUIDU.K.•LINETEKLP-61L+H03VV-F+LS151m145000593*UL•LINETEKLP-30B+SPT-2+LS151
Table17.Partslist-3-pinpowercords(Volex)CountryorregionFRUno.CRUIDArgentina•VOLEXVA2073+H03VV-F+VAC5S1m145000528*Australia,NewZealand•VOLEXAU10S3+H03V
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