Lenovo ThinkPad Edge E120 Hardware Maintenance Manual

HardwareMaintenanceManual

ThinkPadEdgeE120andE125

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underAppendixA“Notices”onpage97.

FourthEdition(March2012)

©CopyrightLenovo2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServices

Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContract

No.GS-35F-05925.

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation......1

Generalsafety................1

Electricalsafety...............2

Safetyinspectionguide............3

Handlingdevicesthataresensitivetoelectrostatic

discharge..................3

Groundingrequirements............4

Safetynotices(multilingualtranslations)......4

Chapter2.Importantservice

information..............19

StrategyforreplacingFRUs.........19

Strategyforreplacingaharddiskdrive...20

Importantnoticeforreplacingasystem

board................20

Howtouseerrormessage........20

StrategyforreplacingFRUsforCTO,CMV,and

GAV...................20

Productdenition............20

FRUidenticationforCTO,CMV,andGAV

products...............21

Chapter3.Generalcheckout.....23

Whattodorst..............23

Checkoutguide..............24

SystemsupportingtheLenovoThinkVantage

ToolboxprogramandthePC-DoctorforDOS

diagnosticsprogram..........24

SystemsupportingtheLenovodiagnostics

programs...............28

Powersystemcheckout...........30

Checkingtheacpoweradapter......30

Checkingoperationalcharging......31

Checkingthebatterypack........31

Checkingthebackupbattery.......32

Chapter4.Relatedservice

information..............33

RestoringthefactorycontentsbyusingRecovery

DiscSet.................33

Passwords................34

Power-onpassword...........34

Harddiskpassword...........34

Supervisorpassword..........35

Howtoremovethepower-onpassword...35

Howtoremovetheharddiskpassword...35

Powermanagement............36

Screenblankmode...........36

Sleep(standby)mode..........36

Hibernationmode...........37

Symptom-to-FRUindex...........37

Numericerrorcodes..........38

Errormessages............39

Beepsymptoms............39

No-beepsymptoms...........39

LCD-relatedsymptoms.........40

Intermittentproblems..........40

Undeterminedproblems.........41

Chapter5.Statusindicators.....43

Chapter6.Specialkeys........45

Chapter7.FRUreplacement

notices................47

Screwnotices...............47

Retainingserialnumbers...........48

Restoringtheserialnumberofthesystem

unit.................48

RetainingtheUUID...........49

ReadingorwritingtheECAinformation...49

Chapter8.Removingandreplacinga

FRU..................51

BeforeservicingThinkPadEdgeE120andE125

models..................51

1010Batterypack.............52

1020Bottomslotcover...........53

1030Memorymodules...........54

1040Harddiskdriveorsolidstatedrive

assembly.................54

1050PCIExpressMiniCardforwirelessLAN..56

1060PCIExpressMiniCardforwirelessWAN..58

1070Keyboard..............59

1080Powersubcardandmicrophone.....61

1090Topcaseassembly...........62

1100Bluetoothdaughtercard........64

1110Speakerassembly...........65

1120I/Oboard..............65

1130Systemboardassembly,fanassembly,and

backupbattery..............66

1140CRTboardassembly(withcable).....69

1150DC-insubcardandbasecoverassembly..69

2010LCDunit...............72

2020LCDbezelassembly..........74

©CopyrightLenovo2012

i

2030Integratedcamera...........74

2040LCDpanel,LCDcable,andhinges....75

2050WirelessLANantennaassembly,wireless

WANantennaassembly,andLCDrearcover

assembly.................77

Chapter9.Locations.........79

Frontview................79

Rearview.................80

Bottomview...............80

Chapter10.Partslist.........81

Overall..................82

LCDFRUs................85

Keyboard.................88

Miscellaneousparts............89

acpoweradapters.............89

Powercords...............90

Recoverydiscs..............91

WindowsXPProfessional(32-bit)DVDs...91

WindowsVistaBusiness(32-bit)DVDs...91

Windows7HomeBasic(32-bit)withService

Pack1DVDs.............91

Windows7HomeBasic(64-bit)withService

Pack1DVDs.............92

Windows7HomePremium(32-bit)with

ServicePack1DVDs..........92

Windows7HomePremium(64-bit)with

ServicePack1DVDs..........93

Windows7Professional(32-bit)withService

Pack1DVDs.............94

Windows7Professional(64-bit)withService

Pack1DVDs.............94

Windows7Ultimate(32-bit)withServicePack

1DVDs................95

Windows7Ultimate(64-bit)withServicePack

1DVDs................95

Windows7Starter(32-bit)withServicePack1

DVDs................95

Commonservicetools...........96

AppendixA.Notices..........97

Electronicemissionsnotices.........98

Trademarks................98

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad

®

products.

ThinkPadEdgeE120

Machinetype(MT)3043

ThinkPadEdgeE125

MT3035

Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.

Important:

ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadproducts.Use

thismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.

BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safety

information”onpage1

andChapter2“Importantserviceinformation”onpage19.

©CopyrightLenovo2012

iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservice

aThinkPadNotebook.

•“Generalsafety”onpage1

•“Electricalsafety”onpage2

•“Safetyinspectionguide”onpage3

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Makesurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthat

youthinkistooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'spersonnelare

notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing

themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Makesurethatyour

sleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8

centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.

Attention:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using

solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice

thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan

louversorcoverthemwithlabelsorstickers.

©CopyrightLenovo2012

1

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:

Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial

thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.

Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto

decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–Removingorinstallingmainunits

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer

topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove

rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metaloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese

precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring

highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,

nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis

conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

placesinamachine:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

–Similarunitstolistedabove

Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:

2HardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach

machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians

frominjury.Thisguideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentifypotential

safetyhazardsduetoattachmentofnon-ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning

ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Poweroffthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.

b.Thepowercordshouldbethetypespeciedinthepartslist.

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany

non-ThinkPadalterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror

otherliquids,orsignsofreorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

Chapter1.Safetyinformation3

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen

youarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen

handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic

servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

DANGER

4HardwareMaintenanceManual

DANGER

Chapter1.Safetyinformation5

DANGER

6HardwareMaintenanceManual

PERIGO

Chapter1.Safetyinformation7

PERIGO

DANGER

8HardwareMaintenanceManual

DANGER

Chapter1.Safetyinformation9

DANGER

VORSICHT

10HardwareMaintenanceManual

VORSICHT

Chapter1.Safetyinformation11

12HardwareMaintenanceManual

Chapter1.Safetyinformation13

14HardwareMaintenanceManual

Page is loading ...

Lenovo ThinkPad Edge E120 Hardware Maintenance Manual

This manual is also suitable for

Lenovo ThinkPad Edge E120 Hardware Maintenance Manual

Related papers

Other documents