Lenovo B475e Notebook User Manual

HardwareMaintenanceManualLenovoB475e

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.WhenhandlingESD-sensitiveparts:•Keepthepartsinprotectivepackagesu

PartNumber:PrintedinChina(1P)P/N:*1P*

DANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation5

DANGER6HardwareMaintenanceManual

Chapter1.Safetyinformation7

PERIGOPERIGOPERIGOPERIGOPERIGOPERIGO8HardwareMaintenanceManual

PERIGOPERIGODANGERDANGERDANGERChapter1.Safetyinformation9

DANGERDANGERDANGERDANGERDANGERVORSICHT10HardwareMaintenanceManual

VORSICHTVORSICHTVORSICHTVORSICHTChapter1.Safetyinformation11

VORSICHTVORSICHTVORSICHT12HardwareMaintenanceManual

Chapter1.Safetyinformation13

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage91.ThirdEdition(December2012)©Cop

14HardwareMaintenanceManual

Chapter1.Safetyinformation15

16HardwareMaintenanceManual

Chapter1.Safetyinformation17

18HardwareMaintenanceManual

Lasercompliancestatement(multilingualtranslations)Thelasercompliancestatementsinthissectionareprovidedinthefollowinglanguages:•English•Arabic•Brazilia

20HardwareMaintenanceManual

Chapter1.Safetyinformation21

22HardwareMaintenanceManual

Chapter1.Safetyinformation23

ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...2Safetyinspectiongu

24HardwareMaintenanceManual

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

32HardwareMaintenanceManual

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

iiHardwareMaintenanceManual

Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthecomputeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.N

Also,whenthetimesetontheresumetimerelapses,thecomputerautomaticallyreturnsfromsleepmodeandresumesoperation.Note:Thecomputerdoesnotacceptanyinputimmedi

36HardwareMaintenanceManual

Chapter5.LenovoB475eThischapterpresentsthefollowingproduct-specicservicereferencesandpartsinformation:•“Specications”onpage37•“Statusindicators”onpa

Opticaldrive•12.7mmRamboopticaldriveWirelessfeature•IntegratedwirelessLAN•100/1000MbpsEthernetcommunicationStatusindicatorsThistopicpresentsthesystems

Table1.Statusindicators(continued)IndicatorMeaning5Batterystatusindicator•Blinkingorange(500msoff/1son):Theremainingpowerofthebatteryislessthan5%ofits

40HardwareMaintenanceManual

Chapter6.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf

•T orquedriverIfyouhaveatorquescrewdriver,refertotheTorquecolumninthescrewinformationtableforeachstep.•Ensurethatyouusethecorrectscrew.Itisrecommended

Chapter7.RemovingandreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourp

AboutthismanualThismanualprovidesserviceandreferenceinformationforthefollowingLenovo®products.MachineMachinetypesLenovoB475e3618,20188Usethismanualtot

Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge.Beforetouchingit,establishpersonalgroundingbytouchingagroundpointwithon

RemovalstepsofbottomslotcoverLoosenthescrews1aandremovethescrew1b,thenremovethebottomslotcover2.1a21a1bStepScrew(quantity)ColorTorque1aM2×3mm,at-head

RemovalstepsofharddiskdriveassemblyRemovethescrew1.1StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(1)Black1.6kgf-cmPullthetabinthedirecti

Removetheharddiskdrivebracketinthedirectionshownbythearrow2.21040OpticaldriveForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomsl

112Note:Ifonlyonememorymoduleisusedonthecomputeryouareservicing,thecardmustbeinstalledinSLOT-0(a:lowerslot),butnotinSLOT-1(b:upperslot).abWheninstalli

RemovalstepsofPCIExpressMiniCardforwirelessLANDisconnectthecablefromthecardusingtheremovaltoolantennaRFconnector(P/N:08K7159)orpickupthecablewithyour

RemovalstepsofbackupbatteryDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.Insertascrewdriverintotheb

Pushhardinthedirectionshownbythearrows2tounlatchtherearedgeofthekeyboard.22Thekeyboardwillopenupslightly3.3Chapter7.RemovingandreplacingaFRU51

Carefullyliftthekeyboarduntilyoucanseehowitisconnected.Holdthekeyboardabovethecomputer4,andthendetachtheconnectorinthedirectionshownbythearrows5and6.4

RemovalstepsofkeyboardbezelRemovescrews1and2thatsecurethekeyboardbezel.11111112221111StepScrew(quantity)ColorTorque1M2.5×7mm,at-head,nylon-coated(11)

ivHardwareMaintenanceManual

Detachtheconnectors.76541098Wheninstalling:Makesurethattheconnectorsareattachedrmlytothesystemboard.Removethekeyboardbezel.1111111111111111111254Hard

1100LEDboardandpowerboardForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”onpage44•“1030Harddiskdrive”onpage45•“1040Op

1110MicrophoneassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”onpage44•“1030Harddiskdrive”onpage45•“1040Optic

•“1040Opticaldrive”onpage47•“1050Memorymodules”onpage47•“1060PCIExpressMiniCardforwirelessLAN”onpage48•“1070Backupbattery”onpage49•“1080Keyboard”onpag

RemovetheI/Oboard4.41130SystemboardassemblyImportantnoticesforhandlingthesystemboard:Whenhandlingthesystemboard,bearthefollowinginmind:•Becarefulnotto

RemovalstepsofsystemboardRemovethescrew1.Detachtheconnectors.65748321StepScrew(quantity)ColorTorque1M2×5mm,at-head,nylon-coated(1)Black3.0kgf-cmWheni

Removethesystemboardinthedirectionshownbythearrow9.91140LCDunitForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”onpage

RemovalstepsofLCDunitReleasetheantennacablesfromthecableguides.Thenremovethescrews2.1111StepScrew(quantity)ColorTorque2M2×5mm,at-head,nylon-coated(4)

RemovetheLCDunitinthedirectionshownbythearrow2.21150ThermalfanassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover

RemovalstepsofthermalfanassemblyDetachtheconnectorinthedirectionshownbythearrow1.1Wheninstalling:Makesurethattheconnectorisattachedrmly.Loosenthescre

Chapter1.SafetyinformationThischapterpresentsthefollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouserviceaLenovonotebookcomputer.•“General

Liftthethermalfanassemblyinthedirectionshownbythearrow5.Attention:Becarefulnottodamagetheconnector.5Attention:Donothandlethethermalfanassemblyroughly.

1160SpeakerassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage44•“1020Bottomslotcover”onpage44•“1030Harddiskdrive”onpage45•“1040Opticald

RemovalstepsofDC-insubcardRemovethescrews1,andthenremovetheDC-insubcardinthedirectionshownbythearrow2.1StepScrew(quantity)ColorTorque1M2×3mm,at-head,

ApplyinglabelstothebasecoverThenewbasecoverisshippedwithakitcontaininglabelsofseveralkinds.Applythoselabelslistedwhenyoureplacethebasecover.Forthelabe

•“1040Opticaldrive”onpage47•“1050Memorymodules”onpage47•“1060PCIExpressMiniCardforwirelessLAN”onpage48•“1070Backupbattery”onpage49•“1080Keyboard”onpag

RemovetheLCDfrontbezelinthedirectionshownbythearrows2.2222Wheninstalling:Makesurethatallthelatchesareattachedrmly.Thensecurethebezelwiththescrews.202

RemovalstepsofintegratedcameraRemovetheintegratedcamerafromtheLCDcoverasshowninthefollowingillustration.Note:Theintegratedcameraisstuckonthetopcentero

RemovalstepsofLCDpanelandLCDcableRemovethescrews1.Disconnecttheintegratedcameraconnectorinthedirectionshownbythearrow2.ThenlifttheLCDpanelinthedirecti

RemovalstepsofhingesPeelofftheadhesivetapeanddetachtheconnector.67Wheninstalling:Makesurethattheconnectorisattachedrmly.2040AntennaassemblyForaccess,

ReleasetheantennacablesfromthecableguidesoftheLCDrearcoverassemblyandfromthehingesinthedirectionshownbythearrows2.22Cablerouting:Routetheantennacables

ElectricalsafetyObservethefollowingruleswhenworkingonelectricalequipment.Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescovere

74HardwareMaintenanceManual

Chapter8.LocationsThischapterintroducesthelocationsofthecomputerhardwarecomponents.Frontview1245678910121314415311Figure1.LenovoB475efrontview1Integra

Bottomview1238659104711Figure2.LenovoB475ebottomview1Batterylatch(manual)7VGAport2Batterypack8Ethernetconnector3Batterylatch(spring-loaded)9HDMIport(o

Chapter9.PartslistThischaptercontainsthefollowinglistsoftheserviceparts.•“Overall”onpage78•“LCDFRUs”onpage80•“Keyboard”onpage82•“Miscellaneousparts”on

Overall14131211910c12345a6b78Table3.Partslist—OverallNo.FRU(Overall)FRUNo.CRUID1LCDunit(see“LCDFRUs”onpage80)2LB47LEDBOARDW/CABLE31049001N3LB475BUpper

Table3.Partslist—Overall(continued)No.FRU(Overall)FRUNo.CRUID4Battery,2200mA6cell,48Wh3S2PSMP/LGL09M6Y023S2P48Whbty(LH)Comm01+EUlable121500091*4Batter

Table3.Partslist—Overall(continued)No.FRU(Overall)FRUNo.CRUID11RAM,DDRIII16002GB,Samsung,M471B5773DH0-CK0DDR316002GB11200340*11RAM,DDRIII16002GB,Samsu

1234567Table4.Partslist-LCDNo.FRUFRUNo.CRUID1LB475BLCDBezelW/CameraHole90201262N1LB475BLCDBezelWO/CameraHole90201263N2LB47LLCDHingeL&R6K.4VDCS.001

Table4.Partslist-LCD(continued)No.FRUFRUNo.CRUID7LEDpanel14.0HDWedgeGlossyLTN140AT26-L0118200229N7LEDpanel14.0HDWedgeGlossyLP140WH4-TLN118200156N7LEDp

Table5.Partslist-Keyboard(Dafon)(continued)LanguageFRUNO.(Windows7)FRUNO.(Windows8)CRUIDU.S.English2520443225209332NU.S.English(International,withaEur

–Usecaution;donotbecomeavictimyourself.–Switchoffpower.–Sendanotherpersontogetmedicalaid.SafetyinspectionguideThepurposeofthisinspectionguideistoassis

Table7.Partslist-Keyboard(Chicony)LanguageFRUNO.(Windows7)FRUNO.(Windows8)CRUIDArabic2520441725209317NBelgian2520442425209324NBrazilianPortuguese25204

MiscellaneouspartsTable8.Partslist-MiscellaneouspartsFRUFRUNo.CRUID(a)LB47LODDBracket33.4VD04.00190200213N(b)LA47ODDBEZELTRAYINRAMBO60.4KZ06.001310476

Table11.Partslist-3-pinpowercords(Linetek)(continued)CountryorregionFRUNo.CRUIDIndian•LINETEKPE-361+H05VV-F+LS151m145000592*Israel•LINETEKLS15+H03VV-F

Table12.Partslist-3-pinpowercords(Longwell)(continued)CountryorregionFRUNo.CRUIDIsrael•LongwellLP-41+H03VV-F+LS-181m145000563*Italy•LongwellLP-22+H03V

Table13.Partslist-3-pinpowercords(Volex)(continued)CountryorregionFRUNo.CRUIDItaly•VOLEXIT10S3+HO3VV-F+VAC5S1m145000535*Japan•VOLEXVAC5S+VCTF+M7551m14

Table14.Partslist-2-pinpowercords(Linetek)(continued)CountryorregionFRUNo.CRUIDKorea•LINETEKLPE03A+H03VVH2-F+LS71m145500025*Taiwan•LINETEKLP51A+VCTFK0

90HardwareMaintenanceManual

AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat

ElectronicemissionsnoticesForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationintheUserGuide.EUcontact:Lenovo,Ein