Lenovo ThinkPad Tablet 2 User manual

HardwareMaintenanceManual

ThinkPadTablet2

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underChapter8“Notices”onpage53.

FirstEdition(September2012)

©CopyrightLenovo2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

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

Chapter1.Safetyinformation......1

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

Electricalsafety...............1

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

Handlingdevicesthataresensitivetoelectrostatic

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

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

Safetynotices(multilingualtranslations)......4

Chapter2.Importantservice

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

StrategyforreplacingFRUs.........19

Importantnoticeforreplacingasystem

board................19

StrategyforreplacingFRUsforCTO,CMV,and

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

Productdenition............20

FRUidenticationforCTO,CMV,andGAV

products...............20

Chapter3.Generalcheckout.....23

Whattodorst..............23

Powersystemcheckout...........24

Checkingthebuilt-inbattery.......24

Checkingthebuilt-inbatterystatus.....24

CheckingtheThinkPadTabletACAdapter..24

Chapter4.Relatedservice

information..............27

RestoringthefactorycontentsbyusingProduct

Recoverydiscs..............27

UsingtheWindowsrecoveryprogram.....27

Supervisorpassword............28

Symptom-to-FRUindex...........29

Numericerrorcodes..........30

Intermittentproblems..........30

Undeterminedproblems.........31

Chapter5.Locations.........33

Locatingtabletcontrols,connectors,and

indicators.................33

Frontview...............33

Rearview...............34

LocatingFRUsandCRUs..........34

MajorFRUs..............35

LookingupFRUinformation.........36

Chapter6.FRUreplacement

notices................37

Screwnotices...............37

Retainingserialnumbers,MTM,UUID,andAsset

ID....................38

Chapter7.Removingorreplacinga

FRU..................39

Generalguidelines.............39

BeforeservicingtheThinkPadtablet2.....40

1010TabletDigitizerPen...........41

1020Basecoverassembly..........41

1030Built-inbattery............42

1040Rear-facingcameraassembly......43

1050WirelessWANcard...........44

1060NFCcard,systemboard,andfront-facing

camera..................45

1070Touchsensorboard,I/Ocable,andI/O

board..................47

1080Speakersassembly..........49

1090WirelessLANantennaassembly,wireless

WANantennaassembly,andGPSantenna...50

Chapter8.Notices...........53

Electronicemissionnotices..........54

Trademarks................54

©CopyrightLenovo2012

i

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad

®

products.

Machine

Machinetype(MT)

ThinkPadTablet23679and3682

Important:

•ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadproducts.Use

thismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.

•BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safety

information”onpage1

andChapter2“Importantserviceinformation”onpage19.

©CopyrightLenovo2012

iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea

ThinkPadTablet2.

•“Generalsafety”onpage1

•“Electricalsafety”onpage1

•“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.

•Reinstallotherpartsthatyouhaveremoved.

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:

©CopyrightLenovo2012

1

•Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial

thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.

•Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto

decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.

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

accidentoccurs,youcanthenoperatetheswitchordisconnectthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–Removingorinstallingmainunits

•Beforeyoustarttoworkonthemachine,disconnectthepowercord.Ifyoucannotunplugit,poweroff

thewallboxthatsuppliespowertothemachine,andlockthewallboxintheoffposition.

•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

–Motorgenerators

–Similarunitstolistedabove

Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

2HardwareMaintenanceManual

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach

machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians

frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential

safetyhazardsduetoattachmentofnon-ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning

ofeveryservicetask.Beginthecheckswiththepoweroffandthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Turnoffthetablet.

3.Disconnectthepowersupplyofthebuilt-inbatterybypressingtheemergencyresetbuttoninsidethe

emergencyresetholeusingastraightenedpaperclip.

4.Disconnectthepowercord.

5.Checkthepowercordforthefollowing:

a.Makesurethatathird-wiregroundconnectorisingoodcondition.Useametertomeasurethe

third-wiregroundcontinuity,andmakesurethatthecontinuitybetweentheexternalgroundpinand

theframegroundis0.1ohmorless.

b.Thepowercordisthetypespeciedinthepartslist.

c.Insulationisnotfrayedorworn.

6.RemovetheLCDmoduleassembly.

7.Checkforcrackedorbulgingbuilt-inbatteries.

8.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany

non-ThinkPadalterations.

9.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror

otherliquids,orsignsofreorsmokedamage.

10.Checkforworn,frayed,orpinchedcables.

11.Checkthatthebuilt-inbatteryfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anytabletpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

Chapter1.Safetyinformation3

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

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-operatedtablets.

Groundingrequirements

Electricalgroundingofthetabletisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•TraditionalChinese

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Lenovo ThinkPad Tablet 2 User manual

Lenovo ThinkPad Tablet 2 User manual

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