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Lenovo 57307496 Owner's manual

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Инструкция
IdeaCentre C320 20 57307496
Lenovo
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LenovoC2/C3HardwareMaintenanceManual
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Contents
Chapter1.Aboutthismanual.....1ImportantSafetyInformation.........1Chapter2.Safetyinformation.....3Generalsafety...............3Electricalsafety..............3Safetyinspectionguide...........5Handlingelectrostaticdischarge-sensitivedevices.................5Groundingrequirements...........6Safetynotices...............6Chapter3.Generalinformation....9Specications...............9Chapter4.GeneralCheckout.....11Problemdeterminationtips..........11Chapter5.UsingtheSetupUtility...13StartingtheSetupUtilityprogram.......13Viewingandchangingsettings........13Usingpasswords..............13UsingDevice...............15Selectingastartupdevice..........15ExitingfromtheSetupUtilityprogram.....16Chapter6.Symptom-to-FRUIndex..17Harddiskdrivebooterror..........17PowerSupplyProblems...........17POSTerrorcodes.............18Undeterminedproblems...........18Chapter7.Replacinghardware....21Generalinformation.............21Hardwarecomponents...........22Replacingamemorymodule.........26Replacingtheopticaldrive..........27Replacingtheharddiskdrive.........29Replacingthekeyboardandmouse......31Replacingthepowercord..........32Removingthespeakercover.........32Removingthecomputercover........34Replacingtheconverterboard........35Removingthecomputerstand........36RemovingtheEMIcover...........37Replacingthesystemfan..........38ReplacingtheTVtunercard.........40ReplacingtheWLANcard..........41Replacingtheheatsink...........42ReplacingtheCPU.............44ReplacingtherearI/Omodule........46Replacingthespeakersystem........48Replacingthemotherboard..........49Replacingthecamera............51Replacingthefrontindicatorandpowerbuttonboard..................52Replacingthefrontfunctionboard.......53ReplacingtheLEDpanel...........54Chapter8.AdditionalServiceInformation..............57CopyrightLenovoi
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iiLenovoC2/C3HardwareMaintenanceManual
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Chapter1.AboutthismanualThismanualcontainsserviceandreferenceinformationforLenovoC220/C225/C320/C325computerslistedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.ItisinvalidforthosemachineswhichdonothaveTVcard.ImportantSafetyInformationBesuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantdexécuterlesinstructions.LesenSieunbedingtalleHinweisevomTypACHTUNGoderVORSICHTindieserDokumentation,bevorSieirgendwelcheVorgängedurchfhrenLeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireunaqualsiasidelleistruzioniCertique-sedelertodasasinstruçesdecuidadoeperigonestemanualantesdeexecutarqualquerumadasinstruçesEsimportantequeleatodaslasdeclaracionesdeprecaucinydepeligrodeestemanualantesdeseguirlasinstrucciones.󲒗󴩼󱄫󱆅󴸤󲠾󱁻󱑽󰦉󴸧󳪞󱈍󲀢󵠵󴸫󲥜󱂖󱁝󳢴󲑰󲤹󴶖󱙺󱚼󱖡󵢙󱬠󲠾󰆎
CopyrightLenovo1
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2LenovoC2/C3HardwareMaintenanceManual
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Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoensuregeneralsafety:Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.Whenliftinganyheavyobject:1.Ensureyoucanstandsafelywithoutslipping.2.Distributetheweightoftheobjectequallybetweenyourfeet.3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthemusclesinyourback.Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkaretooheavyforyou.Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomerspersonnelarenotinahazardousposition.Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthemachine.Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately8centimeters(3inches)fromtheend.Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.Remember:Metalobjectsaregoodelectricalconductors.Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,usingsolvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevicethatiswornordefective.Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.ElectricalsafetyCAUTION:Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoidpersonalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunicationsystems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.Observethefollowingruleswhenworkingonelectricalequipment.CopyrightLenovo3
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Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductiveberstodecreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectricalaccidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.Disconnectallpowerbefore:PerformingamechanicalinspectionWorkingnearpowersuppliesRemovingorinstallingFieldReplaceableUnits(FRUs)Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomertopower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyourpocketorbehindyourback.Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,youmaypreventacurrentfrompassingthroughyourbody.Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesforthattester.Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchasmetaloorstripsandmachineframes.Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.Donotusewornorbrokentoolsandtesters.Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceisconductive;suchtouchingcancausepersonalinjuryandmachinedamage.Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperatingplacesinamachine:PowersupplyunitsPumpsBlowersandfansMotorgeneratorsandsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)Ifanelectricalaccidentoccurs:Usecaution;donotbecomeavictimyourself.Switchoffpower.Sendanotherpersontogetmedicalaid.4LenovoC2/C3HardwareMaintenanceManual
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SafetyinspectionguideTheintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsontheseproducts.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusersandservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshouldbeusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythisinspectionguide.Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeandwhetheryoucancontinuewithoutrstcorrectingtheproblem.Considertheseconditionsandthesafetyhazardstheypresent:Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatalelectricalshock).Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitorMechanicalhazards,suchaslooseormissinghardwareTheguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,andthepowercorddisconnected.Checklist:1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).2.Power-offthecomputer.Disconnectthepowercord.3.Checkthepowercordfor:a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wiregroundcontinuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.b.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.c.Insulationmustnotbefrayedorworn.4.Removethecover.5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,waterorotherliquids,orsignsofreorsmokedamage.7.Checkforworn,frayed,orpinchedcables.8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.Handlingelectrostaticdischarge-sensitivedevicesAnycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitivetoelectrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthepersonhandlingthepartareallatthesamecharge.Notes:1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.WhenhandlingESD-sensitiveparts:Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.Avoidcontactwithotherpeoplewhilehandlingthepart.Chapter2.Safetyinformation5
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