Lenovo ThinkCentre M73z Owner's manual

ThinkCentreM73z
HardwareMaintenanceManual
MachineTypes:10BBand10BC

Note:Beforeusingthisinformationandtheproductitsupportsbesuretoreadthegeneralinformation
underAppendixA“Notices”onpage123.
ThirdEdition(June2014)
©CopyrightLenovo2013,2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices
Administration“GSA”contractusereproductionordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925.

Contents
Aboutthismanual..............iii
Chapter1.afetyinformation......1
Generalsafety................1
Electricalsafety...............1
Safetyinspectionguide............3
Handlingelectrostaticdischarge-sensitive
devices..................3
Groundingrequirements............4
Safetynotices(multi-lingualtranslations).....4
Chapter2.Generalinformation....27
Specifications...............27
Lenovoprograms.............27
AccessingLenovoprogramsontheWindows
7operatingsystem...........28
AccessingLenovoprogramsontheWindows
8orWindows8.1operatingsystem....29
LenovoSupportWebsite..........29
Chapter3.Generalcheckout.....31
Problemdeterminationtips..........31
Chapter4.Troubleshootingand
diagnostics..............33
Basictroubleshooting............33
AccessingControlPanelontheWindows8or
Windows8.1operatingsystem........34
Troubleshootingprocedure..........34
Troubleshooting..............35
Audioproblems............35
CDproblems.............37
DVDproblems.............38
Intermittentproblems..........39
Harddiskdriveproblems.........39
Keyboardmouseorpointingdevice
problems...............40
Monitorproblems............42
Networkingproblems..........44
Optionproblems............46
Performanceandlockupproblems.....47
Printerproblems............49
Serialconnectorproblems........49
Softwareproblems...........50
USBproblems.............51
Diagnostics................51
LenovoSolutionCenter.........52
UEFIdiagnosticprogram.........52
Chapter5.UsingtheetupUtility
program................53
StartingtheSetupUtilityprogram.......53
Viewingandchangingsettings........53
Usingpasswords..............53
Passwordconsiderations.........54
Power-onpassword...........54
Administratorpassword.........54
Settingchanginganddeletingapassword.54
Erasinglostorforgottenpasswords(clearing
CMOS)................54
Enablingordisablingadevice........55
Selectingastartupdevice..........55
Selectingatemporarystartupdevice....56
Selectingorchangingthestartupdevice
sequence...............56
EnablingErPLPScompliancemode......56
ChangingtheBIOSsettingsbeforeinstallinganew
operatingsystem..............57
ExitingtheSetupUtilityprogram.......57
Chapter6.ymptom-to-FRUindex..59
Harddiskdrivebooterror..........59
Powersupplyproblems...........59
Beepsymptoms..............59
POSTerrorcodes.............60
Miscellaneouserrorconditions........61
Undeterminedproblems...........63
Chapter7.Locations.........65
Locatingconnectorscontrolsandindicatorson
thefrontofyourcomputer..........65
Locatingconnectorsontherearofyour
computer.................67
LocatingmajorFRUsandCRUs........68
LookingupFRUinformation.........71
Locatingpartsonthesystemboard......71
Chapter8.ReplacingFRUs......73
Removingandinstallingthecomputerstand...73
Removingandinstallingtheframestand...73
Removingandinstallingthefull-function
monitorstand.............74
Removingandinstallingthetilt-onlymonitor
stand................75
Removingthecomputercover........76
RemovingandinstallingtheU-shapedstand...77
Removingandinstallingthehard-disk-driveEMI
shield..................79
©CopyrightLenovo20132014i

Replacingthe3.5-inchharddiskdriveorhybrid
harddiskdrive...............81
Replacingthe2.5-inchsolid-statedriveorhybrid
harddiskdrive...............83
Replacingtheopticaldrive..........85
Replacingtheconverterboard........86
Removingandinstallingthesystemboardshield.88
ReplacingtherearI/Oassembly........89
Replacingtheinternalspeakers........92
RemovingandinstallingtheVESAmountbracket.93
Replacingthepowersupplyassembly.....94
Replacingthemicroprocessorfan.......96
Replacingtheintegratedcamera.......97
Replacingtheheatsinkassembly.......99
Replacingthemicroprocessor........101
Installingorreplacingamemorymodule....104
Replacingthebattery............106
Replacingthecardreader..........107
ReplacingtheWi-Ficard...........108
Replacingthesystemboard.........111
ReplacingtheLCDpanel...........113
Completingthepartsreplacement.......118
Chapter9.Additionalservice
information.............119
Securityfeatures..............119
Hardwarecontrolledpasswords......119
Operatingsystempassword.......119
Vitalproductdata............119
BIOSlevels................119
Flashupdateprocedures..........119
Updating(flashing)theBIOSfromadisc...120
Updating(flashing)theBIOSfromyour
operatingsystem............121
RecoveringfromaPOST/BIOSupdate
failure................121
Powermanagement............122
Advancedconfigurationandpowerinterface
(ACPI)BIOS..............122
AutomaticPower-onfeatures.......122
AppendixA.Notices.........123
Televisionoutputnotice...........124
EuropeanconformanceCEmark.......124
Trademarks................124
Index.................125
iiThinkCentreM73zHardwareMaintenanceManual

Aboutthismanual
ThismanualprovidesserviceandreferenceinformationforThinkCentre®computerslistedonthefrontcover.
Chapter6“Symptom-to-FRUindex”onpage59andChapter9“Additionalserviceinformation”onpage119
arenotspecifictoanymachinetypeandareapplicabletoallThinkCentrecomputers.
FormajorFieldReplaceableUnits(FRU)locationsandCustomerReplaceableUnit(CRU)identification
seeChapter7“Locations”onpage65.
ForFRUreplacementinstructionsseeChapter8“ReplacingFRUs”onpage73.
ForFRUpartnumbersgoto:
http:/www.lenovo.com/serviceparts-lookup
Important:ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkCentre
computers.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.
BeforeservicingaThinkCentrecomputerbesuretoreadandunderstandChapter1“Safetyinformation”
onpage1.

Chapter1.afetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.
Attention:
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•Donotperformanyactionthatcauseshazardstothecustomerorthatmakestheequipmentunsafe.
•Beforeyoustartthemachineensurethatotherservicerepresentativesandthecustomer'spersonnelare
notinahazardousposition.
•Placeremovedcoversandotherpartsinasafeplaceawayfromallpersonnelwhileyouareservicing
themachine.
•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislongfastenit.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclipapproximately
8centimeters(3inches)fromtheend.
•Donotwearjewelrychainsmetal-frameeyeglassesormetalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouare:hammeringdrillingsolderingcuttingwireattachingspringsusing
solventsorworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservicereinstallallsafetyshieldsguardslabelsandgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
©CopyrightLenovo201320141

systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise
intheinstallationandconfigurationprocedures.
Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershavenear
theirequipmentrubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switchdisconnectingswitchorelectricaloutlet.Ifanelectrical
accidentoccursyoucanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkonthemachineunplugthepowercord.Ifyoucannotunplugitaskthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuitsobservethefollowingprecautions:
–Ensurethatanotherpersonfamiliarwiththepower-offcontrolsisnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepowerifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule
youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingatestersetthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocallyifnecessary)toinsulateyoufromgroundssuchas
metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.Firstcheckthatithasbeenpowered-off.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistfloors
nongroundedpowerextensioncablespowersurgesandmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
2ThinkCentreM73zHardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.
afetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachineasitwasdesignedandbuilthadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.Howevergoodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresentyoumustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazardsespeciallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).
•ExplosivehazardssuchasadamagedCRTfaceorbulgingcapacitor
•Mechanicalhazardssuchaslooseormissinghardware
Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroffand
thepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loosebrokenorsharpedges).
2.Power-offthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.
b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditionssuchasmetalfilingscontaminationwateror
otherliquidsorsignsoffireorsmokedamage.
7.Checkforwornfrayedorpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingelectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachinetheparttheworkmatandthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
Chapter1.Safetyinformation3

WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.
•Selectagroundingsystemsuchasthoselistedbelowtoprovideprotectionthatmeetsthespecific
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
–AttachtheESDgroundcliptoanyframegroundgroundbraidorgreen-wireground.
–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
afetynotices(multi-lingualtranslations)
Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•Brazilian/Portuguese
•Chinese(simplified)
•Chinese(traditional)
•French
•German
•Hebrew
•Italian
•Korean
•Spanish
DANGER
Electricalcurrentfrompowertelephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
4ThinkCentreM73zHardwareMaintenanceManual

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration
ofthisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconfiguration
procedures.
•Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or
openingcoversonthisproductorattacheddevices.
ToConnectToDisconnect
1.TurneverythingOFF.
2.Firstattachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF.
2.Firstremovepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION:
Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace
itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand
canexplodeifnotproperlyused,handled,ordisposedof.Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
Chapter1.Safetyinformation5

DANGER
omelaserproductscontainanembeddedClass3AorClass3Blaserdiode.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
6ThinkCentreM73zHardwareMaintenanceManual

Chapter1.Safetyinformation7

≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
1
2
PERIGO
Acorrenteelétricaprovenientedecabosdealimentaçãodetelefoneedecomunicaçõeséperigosa.
8ThinkCentreM73zHardwareMaintenanceManual

Paraevitarriscodechoqueelétrico:
•Nãoconectenemdesconectenenhumcaboouexecuteinstalaçãomanutençãooureconfiguração
desteprodutoduranteumatempestadecomraios.
•Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.
•Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente
instaladas.
•Quandopossívelutilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.
•Nuncaliguenenhumequipamentoquandohouverevidênciadefogoáguaoudanosestruturais.
•Antesdeabrirtampasdedispositivosdesconectecabosdealimentaçãosistemasdetelecomunicação
redesemodemsconectadosamenosqueespecificadodemaneiradiferentenosprocedimentosde
instalaçãoeconfiguração.
•Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalarmoverou
abrirtampasdesteprodutooudedispositivosconectados.
ParaConectar:ParaDesconectar:
1.DESLIGUETudo.
2.Primeiramenteconectetodososcabosaos
dispositivos.
3.Conecteoscabosdesinalaosconectores.
4.Conecteoscabosdealimentaçãoàstomadas.
5.LIGUEosdispositivos.
1.DESLIGUETudo.
2.Primeiramenteremovaoscabosdealimentaçãodas
tomadas.
3.Removaoscabosdesinaldosconectores.
4.Removatodososcabosdosdispositivos.
CUIDADO:
Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo
debateriaequivalenterecomendadopeloeoseusistemapossuiummódulocomumabateriade
lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio
epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.
Não:
•Jogueoucoloquenaágua
•Aqueçaamaisde100°C(212°F)
•Consertenemdesmonte
Descarteabateriaconformerequeridopelasleisouregulamentoslocais.
PRECAUCIÓN:
Quandoprodutosalaser(comounidadesdeCD-ROMsunidadesdeDVD-ROMdispositivosdefibraótica
outransmissores)estivereminstaladosobserveoseguinte:
•Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição
prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.
Chapter1.Safetyinformation9

•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecificadosaqui
poderesultaremexposiçãoprejudicialàradiação.
PERIGO
AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:
Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose
eviteexposiçãodiretaaofeixe.
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CUIDADO:
Utilizeprocedimentosdesegurançaparalevantarequipamentos.
CUIDADO:
Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação
nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo
dealimentação.Pararemovertodaacorrenteelétricadodispositivoassegurequetodososcabosde
alimentaçãoestejamdesconectadosdafontedealimentação.
1
2
10ThinkCentreM73zHardwareMaintenanceManual

Chapter1.Safetyinformation11

1
2
12ThinkCentreM73zHardwareMaintenanceManual

1
2
Chapter1.Safetyinformation13

DANGER
Lecourantélectriqueprovenantdel'alimentationdutéléphoneetdescâblesdetransmissionpeutprésenter
undanger.
Pourévitertoutrisquedechocélectrique:
•Nemanipulezaucuncâbleetn'effectuezaucuneopérationd'installationd'entretienoudereconfiguration
deceproduitaucoursd'unorage.
•Brancheztouslescordonsd'alimentationsurunsocledeprisedecourantcorrectementcâbléetmisàla
terre.
•Branchezsurdessoclesdeprisedecourantcorrectementcâbléstoutéquipementconnectéàceproduit.
•Lorsquecelaestpossiblen'utilisezqu'uneseulemainpourconnecteroudéconnecterlescâbles
d'interface.
•Nemettezjamaisunéquipementsoustensionencasd'incendieoud'inondationouenprésencede
dommagesmatériels.
•Avantderetirerlescartersdel'unitémettezcelle-cihorstensionetdéconnectezsescordons
d'alimentationainsiquelescâblesquilarelientauxréseauxauxsystèmesdetélécommunicationetaux
modems(saufinstructioncontrairementionnéedanslesprocéduresd'installationetdeconfiguration).
•Lorsquevousinstallezquevousdéplacezouquevousmanipulezleprésentproduitoudespériphériques
quiluisontraccordésreportez-vousauxinstructionsci-dessouspourconnecteretdéconnecterles
différentscordons.
ConnexionDéconnexion
1.MettezlesunitésHORSTENSION.
2.Commencezparbranchertouslescordonssurles
unités.
3.Branchezlescâblesd'interfacesurdesconnecteurs.
4.Branchezlescordonsd'alimentationsurdesprises.
5.MettezlesunitésSOUSTENSION.
1.MettezlesunitésHORSTENSION.
2.Débranchezlescordonsd'alimentationdesprises.
3.Débranchezlescâblesd'interfacedesconnecteurs.
4.Débrancheztouslescâblesdesunités.
ATTENTION:
Remplacerlapileaulithiumusagéeparunepilederéférenceidentiqueexclusivement,(référence
45C1566),ousuivrelesinstructionsdufabricantquiendéfinitleséquivalences.ivotresystèmeest
dotéd'unmodulecontenantunepileaulithium,vousdevezleremplaceruniquementparunmodule
identique,produitparlemêmefabricant.Lapilecontientdulithiumetpeutexploserencasde
mauvaiseutilisation,demauvaisemanipulationoudemiseaurebutinappropriée.
Nepas:
•lajeteràl'eau,
•l'exposeràdestempératuressupérieuresà100°C,
•chercheràlaréparerouàladémonter.
Nepasmettrelapileàlapoubelle.Pourlamiseaurebut,sereporteràlaréglementationenvigueur.
14ThinkCentreM73zHardwareMaintenanceManual