Lenovo ThinkCentre Edge 91 Hardware Maintenance Manual

Type
Hardware Maintenance Manual
ThinkCentre
HardwareMaintenanceManual
MachineTypes:1852,1853,1855,1857,1893,1895,3247,3248,
3250,and3253
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2
“Safetyinformation”onpage3andAppendixA“Notices”onpage253.
FourthEdition(April2012)
©CopyrightLenovo2011,2012.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSAcontract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Chapter1.Aboutthismanual......1
Importantsafetyinformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Voltage-selectionswitch............5
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................6
Groundingrequirements............6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....33
LenovoWelcome..............33
LenovoThinkVantageTools.........33
LenovoSolutionCenter...........33
SimpleTap................33
Additionalinformationresources.......34
Specications...............34
Formachinetypes:1852,1853,1855,3247,
and3248...............34
Formachinetypes:1857,1893,1895,3250,
and3253...............35
Chapter4.Generalcheckout.....37
Problemdeterminationtips..........37
Chapter5.Diagnosticprograms...39
LenovoThinkVantageToolbox........39
LenovoSolutionCenter...........39
PC-DoctorforDOS.............40
Creatingadiagnosticdisc........40
Runningthediagnosticprogramfromthe
diagnosticdisc.............40
Navigatingthroughthediagnosticprograms.40
Runningtests.............40
Viewingthetestlog...........42
Chapter6.UsingtheSetupUtility
program................43
StartingtheSetupUtilityprogram.......43
Viewingandchangingsettings........43
Usingpasswords..............43
Passwordconsiderations.........44
Power-OnPassword..........44
AdministratorPassword.........44
HardDiskPassword...........44
Setting,changing,anddeletingapassword.44
Erasinglostorforgottenpasswords(clearing
CMOS)................45
Enablingordisablingadevice........45
Selectingastartupdevice..........46
Selectingatemporarystartupdevice....46
Selectingorchangingthestartupdevice
sequence...............46
EnablingErPcompliancemode........46
ExitingtheSetupUtilityprogram.......47
Chapter7.Symptom-to-FRUindex..49
Harddiskdrivebooterror..........49
Powersupplyproblems...........49
Diagnosticerrorcodes...........49
Beepsymptoms..............67
POSTerrorcodes.............67
Miscellaneouserrormessages........69
Undeterminedproblems...........71
Chapter8.ReplacingFRUs(Machine
Types:1852,1853,and1855).....73
Locations.................73
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......74
Locatingconnectorsontherearofyour
computer...............75
Locatingcomponents..........76
Locatingpartsonthesystemboard....77
Locatinginternaldrives.........78
Handlingstatic-sensitivedevices.......78
Installingorreplacinghardware........79
Removingthecomputercover.......79
Removingandreinstallingthefrontbezel..80
InstallingorreplacingaPCIcard......82
Installingorreplacingamemorymodule...85
Replacingthebattery..........87
Replacingtheprimaryharddiskdrive....88
Replacingtheopticaldrive........90
Replacingthepowersupplyassembly...92
Replacingtheheatsinkandfanassembly..94
Replacingthemicroprocessor.......96
Replacingthesystemboard.......98
Replacingtherearfanassembly......101
ReplacingthefrontaudioandUSB
assembly...............103
Completingthepartsreplacement.....104
©CopyrightLenovo2011,2012
i
Chapter9.ReplacingFRUs(Machine
Types:1857,1893,and1895)....107
Locations.................107
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......107
Locatingconnectorsontherearofyour
computer...............108
Locatingcomponents..........108
Locatingpartsonthesystemboard....109
Locatinginternaldrives.........111
Handlingstatic-sensitivedevices.......111
Installingorreplacinghardware........112
Removingthecomputercover.......112
Removingandreinstallingthefrontbezel..113
Accessingthesystemboardcomponentsand
drives................114
InstallingorreplacingaPCIcard......116
Installingorreplacingamemorymodule...118
Replacingthebattery..........119
Replacingtheharddiskdrive.......120
Replacingtheopticaldrive........123
Replacingthepowersupplyassembly...126
Replacingtheheatsinkandfanassembly..130
Replacingthemicroprocessor.......133
Replacingthesystemboard.......136
Replacingthesystemfanassembly....139
ReplacingthefrontaudioandUSB
assembly...............140
Completingthepartsreplacement.....141
Chapter10.FRUlists........143
Overall:1852,1853,1855,3247,and3248...143
MechanicalFRUs.............149
KeyboardandMouse............152
AdaptersandmiscellaneousFRUs.......177
PowerCords...............178
Recoverydiscs..............183
Windows7StarterRecoveryCD......183
Windows7HomeBasic32RecoveryCD..184
Windows7HomePremium32Recovery
CD.................185
Windows7HomePremium64Recovery
CD.................186
Windows7Professional32RecoveryCD..189
Windows7Professional64RecoveryCD..190
WindowsXPProfessional32RecoveryCD..192
WindowsXPProfessionalGeneric32
RecoveryCD.............192
Overall:MT1857,1893,1895,3250,and3253..195
MechanicalFRUs.............202
KeyboardandMouse............205
AdaptersandmiscellaneousFRUs.......230
PowerCords...............230
Recoverydiscs..............235
Windows7StarterRecoveryCD......235
Windows7HomeBasic32RecoveryCD..236
Windows7HomePremium32Recovery
CD.................237
Windows7HomePremium64Recovery
CD.................238
Windows7Professional32SP1Recovery
CD.................241
Windows7Professional64SP1Recovery
CD.................242
WindowsXPProfessional32RecoveryCD..244
WindowsXPProfessionalGenericRecovery
CD.................244
Chapter11.Additionalservice
information.............249
Securityfeatures..............249
Hardware-controlledpasswords......249
Operatingsystempassword.......249
VitalProductData...........249
BIOSlevels................249
Updating(ashing)theBIOSfromadisc....249
Updating(ashing)theBIOSfromyouroperating
system..................250
RecoveringfromaPOST/BIOSupdatefailure..250
Powermanagement............251
AdvancedCongurationandPowerInterface
(ACPI)BIOS..............251
AutomaticPower-Onfeatures.......251
AppendixA.Notices.........253
Televisionoutputnotice...........254
EuropeanconformanceCEmark.......254
Trademarks................254
Index.................255
iiThinkCentreHardwareMaintenanceManual
Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforThinkCentre
®
computermachinetypeslistedon
thefrontcover.ThismanualisintendedonlyfortrainedServiceProviderswhoarefamiliarwithLenovo
®
computerproducts.
Note:BesuretoreadandunderstandtheChapter2“Safetyinformation”onpage3
beforeusingthe
informationinthismanual.
The“Symptom-to-FRUIndex”chapterandtheAdditionalserviceinformation”chapterapplytoall
ThinkCentrecomputers.
ThismanualincludesacompleteFRUpartnumberlistforeachmachinetypelistedonthefrontcover.If
youhaveinternetaccess,theFRUpartnumbersarealsoavailableat:
http://www.lenovo.com/support
Importantsafetyinformation
Besuretoreadallcautionanddangerstatementsinthismanualbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo2011,2012
1
2ThinkCentreHardwareMaintenanceManual
Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjects
thatyouthinkaretooheavyforyou.
Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.
Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer'spersonnelare
notinahazardousposition.
Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.
Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.
Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.
Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately
8centimeters(3inches)fromtheend.
Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.
Wearsafetyglasseswhenyouare:hammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
systems,networks,andmodemsbeforeyouopenthecentrecovers,unlessinstructedotherwisein
theinstallationandcongurationprocedures.
Observethefollowingruleswhenworkingonelectricalequipment.
©CopyrightLenovo2011,2012
3
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberoormatsthatcontainsmallconductiveberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromanelectricshock.
Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
Disconnectallpowerbefore:
Performingamechanicalinspection
Workingnearpowersupplies
RemovingorinstallingFieldReplaceableUnits(FRU)
Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseanelectricshock.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.
Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
Donotusewornorbrokentoolsandtesters.
Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.
Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
Powersupplyunits
Pumps
Blowersandfans
Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
Ifanelectricalaccidentoccurs:
Usecaution;donotbecomeavictimyourself.
Switchoffpower.
Sendanotherpersontogetmedicalaid.
4ThinkCentreHardwareMaintenanceManual
Voltage-selectionswitch
Somecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnection
pointonthecomputer.Ifyourcomputerhasavoltage-selectionswitch,ensurethatyousettheswitchto
matchthevoltageavailableatyourelectricaloutlet.Settingthevoltage-selectionswitchincorrectlycan
causepermanentdamagetothecomputer.
Ifyourcomputerdoesnothaveavoltage-selectionswitch,yourcomputerisdesignedtooperateonlyatthe
voltageprovidedinthecountryorregionwherethecomputerwasoriginallypurchased.
Ifyourelocateyourcomputertoanothercountry,beawareofthefollowing:
Ifyourcomputerdoesnothaveavoltage-selectionswitch,donotconnectthecomputertoanelectrical
outletuntilyouhaveveriedthatthevoltageprovidedisthesameasitwasinthecountryorregion
wherethecomputerwasoriginallypurchased.
Ifyourcomputerhasavoltage-selectionswitch,donotconnectthecomputertoanelectricaloutletuntil
youhaveveriedthatthevoltage-selectionswitchissettomatchthevoltageprovidedinthatcountry
orregion.
Ifyouarenotsureofthevoltageprovidedatyourelectricaloutlet,contactyourlocalelectriccompanyor
refertoofcialWebsitesorotherliteraturefortravelerstothecountryorregionwhereyouarelocated.
Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).
Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor
Mechanicalhazards,suchaslooseormissinghardware
Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and
thepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Power-offthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.
b.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
Chapter2.Safetyinformation5
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.
7.Checkforworn,frayed,orpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingelectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
Avoidcontactwithotherpeoplewhilehandlingthepart.
Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.
Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.
Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
Usetheroundground-prongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.
Safetynotices(multi-lingualtranslations)
Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:
English
Arabic
Brazilian/Portuguese
Chinese(simplied)
Chinese(traditional)
6ThinkCentreHardwareMaintenanceManual
French
German
Hebrew
Italian
Korean
Spanish
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration
ofthisproductduringanelectricalstorm.
Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.
Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconguration
procedures.
Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or
openingcoversonthisproductorattacheddevices.
ToConnectToDisconnect
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF.
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION:
Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace
itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand
canexplodeifnotproperlyused,handled,ordisposedof.Donot:
Throworimmerseintowater
Heattomorethan100°C(212°F)
Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
Chapter2.Safetyinformation7
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:
Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
1
2
8ThinkCentreHardwareMaintenanceManual
Chapter2.Safetyinformation9
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
10ThinkCentreHardwareMaintenanceManual
1
2
PERIGO
Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.
Paraevitarriscodechoqueelétrico:
Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconguração
desteprodutoduranteumatempestadecomraios.
Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.
Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente
instaladas.
Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.
Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.
Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação,
redesemodemsconectados,amenosqueespecicadodemaneiradiferentenosprocedimentosde
instalaçãoeconguração.
Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalar,moverou
abrirtampasdesteprodutooudedispositivosconectados.
ParaConectar:ParaDesconectar:
1.DESLIGUETudo.
2.Primeiramente,conectetodososcabosaos
dispositivos.
3.Conecteoscabosdesinalaosconectores.
4.Conecteoscabosdealimentaçãoàstomadas.
5.LIGUEosdispositivos.
1.DESLIGUETudo.
2.Primeiramente,removaoscabosdealimentaçãodas
tomadas.
3.Removaoscabosdesinaldosconectores.
4.Removatodososcabosdosdispositivos.
Chapter2.Safetyinformation11
CUIDADO:
Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo
debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade
lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio
epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.
Não:
Jogueoucoloquenaágua
Aqueçaamaisde100°C(212°F)
Consertenemdesmonte
Descarteabateriaconformerequeridopelasleisouregulamentoslocais.
PRECAUCIÓN:
Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdebraótica
outransmissores)estivereminstalados,observeoseguinte:
Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição
prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.
Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecicadosaqui
poderesultaremexposiçãoprejudicialàradiação.
PERIGO
AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:
Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose
eviteexposiçãodiretaaofeixe.
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CUIDADO:
Utilizeprocedimentosdesegurançaparalevantarequipamentos.
12ThinkCentreHardwareMaintenanceManual
CUIDADO:
Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação
nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo
dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde
alimentaçãoestejamdesconectadosdafontedealimentação.
1
2
Chapter2.Safetyinformation13
14ThinkCentreHardwareMaintenanceManual
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Chapter2.Safetyinformation15
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16ThinkCentreHardwareMaintenanceManual
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Lenovo ThinkCentre Edge 91 Hardware Maintenance Manual

Type
Hardware Maintenance Manual

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