Lenovo ThinkCentre Edge 91 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

“GSA”contract,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”chapterandthe“Additionalserviceinformation”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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