Lenovo B490 Notebook User Manual

HardwareMaintenanceManualLenovoB490,B4301,B4302,B4303,B4305,B4306,B4307,B4308,B4309,B4310,B4311,B4312,B4315,B4316,B4317,B4318,B4319,B4320,B4321,B4322,

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(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

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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

26HardwareMaintenanceManual

Chapter2.ImportantserviceinformationThischapterpresentsthefollowingimportantserviceinformationthatappliestoallmachinetypessupportedbythismanual:•“Stra

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthes

Chapter3.GeneralcheckoutThischapterpresentsfollowinginformation:•“Whattodorst”onpage29•“Powersystemcheckout”onpage30Beforeyougotothecheckoutguide,bes

•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,ortheinsertionofadiskettewithmultiplelabels•Damagedorbentdiskett

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.CheckingoperationalchargingTocheckwhetherthebatterychargesproperlyduringoperation,useadisc

Iftheresistanceisnotcorrect,replacethebatterypack.Iftheresistanceiscorrect,replacethesystemboard.32HardwareMaintenanceManual

Chapter4.RelatedserviceinformationThischapterpresentsthefollowinginformation:•“Recoveringthecomputersettings”onpage33•“Passwords”onpage33•“Powermanage

iiHardwareMaintenanceManual

Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthecomputeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.N

Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewsecondsbeforetakinganyactiontoreenteroperationmode.HibernationmodeInhib

36HardwareMaintenanceManual

Chapter5.LenovoproductinformationThischapterpresentstheproduct-specicservicereferencesandpartsinformationforthecomputer.•“Specications”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

1010BatterypackRemovalstepsofbatterypackDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.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

ivHardwareMaintenanceManual

Carefullyliftthekeyboarduntilyoucanseehowit’sconnected.Holdthekeyboardabovethecomputer4,andthendetachthekeyboardconnector.564Wheninstalling:Ensurethat

RemovalstepsofkeyboardbezelRemovethescrews1and2thatsecurethekeyboardbezel.22211111111111StepScrew(quantity)ColorTorque1M2.5×8mm,at-head,nylon-coated(

Detachtheconnectors.76945Wheninstalling:Ensurethatalltheconnectorsareattachedrmly.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:Ensurethattheconnectorisattachedrmly.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:Ensurethatthecableisattachedrmly.2040AntennaassemblyandLCDrearcoverForaccess,removetheseFRUsinorder:•“1010Batteryp

76HardwareMaintenanceManual

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,withngerprintreader04X1158N3LB48LEDBoardW/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

PowercordsALenovopowercordforaspeciccountryorregionisusuallyavailableonlyinthatcountryorregion.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