Lenovo ThinkPad P40 Yoga Owner's manual

ThinkPadP40Yoga,S3,ThinkPadYoga
14,andThinkPadYoga460Hardware
MaintenanceManual

Note:Beforeusingthisinformationandtheroductitsuorts,besuretoreadthegeneralinformation
underAendixA“Notices”onage107.
SecondEdition(January2016)
©CopyrightLenovo2015,2016
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredursuantaGeneralServicesAdministration
“GSA”contract,use,reroduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents
Aboutthismanualiii
Chapter1Safetyinformation1
Generalsafety................1
Electricalsafety...............1
Safetyinsectionguide............2
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Chapter2Importantservice
information19
StrategyforrelacingFRUs.........19
Strategyforrelacingaharddiskdrive,a
hybriddrive,orasolid-statedrive.....19
Imortantnoticeforrelacingasystem
board................20
Howtouseerrormessage........20
StrategyforrelacingFRUsforCTO,secialbid
model,andstandardmodels.........20
Productdefinition............20
FRUidentification............21
Chapter3Generalcheckout23
Whattodofirst..............23
Checkoutguide..............24
LenovoSolutionCenter.........24
Quicktestrograms...........24
UEFIdiagnosticrogram.........25
Bootablediagnosticrograms.......26
Powersystemcheckout...........26
Checkingtheacoweradater......27
Checkingthebuilt-inbatteryandoerational
charging...............27
Checkingthecoin-cellbattery.......28
Chapter4Relatedservice
information29
Restoringthefactorycontentsbyusingthe
RecoveryDiscSet.............29
RecoveryoverviewfortheWindows7oerating
system..................30
Creatingandusingarecoverymedia....31
Performingbackuandrecoveryoerations.31
UsingtheRescueandRecoveryworksace.32
Creatingandusingarescuemedium....33
Reinstallingreinstalledalicationsand
devicedrivers.............34
Solvingrecoveryroblems........35
RecoveryoverviewfortheWindows10oerating
system..................35
Resettingyourcomuter.........35
Usingadvancedstartuotions......36
RecoveringyouroeratingsystemifWindows
10failstostart.............36
CreatingandusingarecoveryUSBdrive..36
Passwords................37
Power-onassword...........37
Harddiskassword...........37
Suervisorassword..........38
Howtoremovetheower-onassword...38
Howtoremovetheharddiskassword...38
Powermanagement............39
Screenblankmode(fortheWindows7
oeratingsystemonly)..........39
Sleemode..............39
Hibernationmode...........40
Symtom-to-FRUindex...........40
Numericerrorcodes..........41
Errormessages............42
Beesymtoms............42
No-beesymtoms...........43
LCD-relatedsymtoms.........43
Intermittentroblems..........43
Undeterminedroblems.........44
Chapter5Statusindicators45
Chapter6Functionkeys47
Chapter7Locations49
Locatingcomutercontrols,connectors,and
indicators.................49
Frontview...............49
Bottomview..............50
Rearview...............50
LocatingCRUsandFRUs..........51
MajorCRUsandFRUs..........52
LCDFRUs..............54
MiscellaneousartsandotherFRUs....55
Connectorandcableguide........55
LookinguFRUinformation.........61
Chapter8FRUreplacement
notices63
Screwnotices...............63
©CoyrightLenovo2015,2016i

Retainingserialnumbers...........64
Restoringtheserialnumberofthesystem
unit.................64
RetainingtheUUID...........65
Chapter9Removingorreplacinga
FRU67
Generalguidelines.............67
Beforeservicingthecomuter........68
Disablingthebuilt-inbattery.......68
1010Keyboard..............68
1020Basecoverassembly..........71
1030Batteryack.............73
1040Internalstoragedriveandthestoragedrive
connector................74
1050Memorymodule............76
1060WirelessLANcard...........77
1070Coin-cellbattery............78
1080ButtonI/Ocard............79
1090acowercardanddc-inbracket.....80
1110WirelessWANcard...........82
1120M.2solid-statedrive..........84
1130Seakerassembly...........85
1140ThinkPad-logo-LEDcardwithcable....87
1150Mediacardreaderandenholder.....88
1160Thermalfan.............89
1170Systemboard.............91
1180Keyboardbezelassembly,LCDunit,and
K-lockbracket...............93
2010Stricover..............97
2020Touchmodule.............98
2030Hingeassembly............99
2040HingerubberandLCDcable.......100
2050Cameraandmicrohonecombocard/cable
forcameraandmicrohonecombocard....101
2060Touchcontrolboardcable/ASLsensor
cable..................102
2070WirelessLANantennaassembly.....102
2080WirelessWANantennaassembly.....103
2090Amberlightsensor...........104
2110GsensorandcableforGsensor.....105
AppendixANotices107
Electronicemissionsnotices.........108
Trademarks................108
AppendixBAbbreviationtable109
iiThinkPadP40Y oga,S3,ThinkPadYoga14,andThinkPadYoga460HardwareMaintenanceManual

Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®roducts.
ThinkPadP40Y oga®20GR,20GQ
ThinkPadS320G0,20G1
ThinkPadYoga1420FY
ThinkPadYoga46020EM,20EL
Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootroblems.
Important:ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPad
roducts.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootroblemseffectively.
BeforeservicingaThinkPadroduct,besuretoreadalltheinformationunderChater1“Safetyinformation”
onage1andChater2“Imortantserviceinformation”onage19.
©CoyrightLenovo2015,2016iii

ivThinkPadP40Y oga,S3,ThinkPadYoga14,andThinkPadYoga460HardwareMaintenanceManual

Chapter1Safetyinformation
Thischaterresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea
ThinkPadnotebookcomuter.
•“Generalsafety”onage1
•“Electricalsafety”onage1
•“Safetyinsectionguide”onage2
•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onage3
•“Groundingrequirements”onage4
•“Safetynotices(multilingualtranslations)”onage4
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeeingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Makesurethatyoucanstandsafelywithoutsliing.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattemttolift.
4.Liftbystandingorbyushinguwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthat
youthinkistooheavyforyou.
•Donoterformanyactionthatcauseshazardstothecustomer,orthatmakestheequimentunsafe.
•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'sersonnelare
notinahazardousosition.
•Placeremovedcoversandotherartsinasafelace,awayfromallersonnel,whileyouareservicing
themachine.
•Keeyourtoolcaseawayfromwalkareassothatothereolewillnottrioverit.
•Donotwearlooseclothingthatcanbetraedinthemovingartsofamachine.Makesurethatyour
sleevesarefastenedorrolleduaboveyourelbows.Ifyourhairislong,fastenit.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductivecli,about8
centimeters(3inches)fromtheend.
•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Attention:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsrings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Relaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
•Fanlouversonthemachineheltoreventoverheatingofinternalcomonents.Donotobstructfan
louversorcoverthemwithlabelsorstickers.
Electricalsafety
Observethefollowingruleswhenworkingonelectricalequiment.
Important:Useonlyarovedtoolsandtestequiment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequiment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistyeofmattorotectyourselffromelectricalshock.
©CoyrightLenovo2015,20161

•Findtheroomemergencyower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoeratetheswitchorunlugtheowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequimentthathashazardousvoltages.
•Disconnectallowerbefore:
–Performingamechanicalinsection
–Workingnearowersulies
–Removingorinstallingmainunits
•Beforeyoustarttoworkonthemachine,unlugtheowercord.Ifyoucannotunlugit,askthecustomer
toower-offthewallboxthatsuliesowertothemachine,andtolockthewallboxintheoffosition.
•Ifyouneedtoworkonamachinethathasexposeelectricalcircuits,observethefollowingrecautions:
–Ensurethatanothererson,familiarwiththeower-offcontrols,isnearyou.
Attention:Anotherersonmustbetheretoswitchofftheower,ifnecessary.
–Useonlyonehandwhenworkingwithowered-onelectricalequiment;keetheotherhandinyour
ocketorbehindyourback.
Attention:Anelectricalshockcanoccuronlywhenthereisacomletecircuit.Byobservingtheabove
rule,youmayreventacurrentfromassingthroughyourbody.
–Whenusingtesters,setthecontrolscorrectlyandusethearovedrobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metalfloorstrisandmachineframes.
Observethesecialsafetyrecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
recautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.
•Regularlyinsectandmaintainyourelectricalhandtoolsforsafeoerationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenoweredoff.
•Alwayslookcarefullyforossiblehazardsinyourworkarea.Examlesofthesehazardsaremoistfloors,
ungroundedowerextensioncables,owersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofalasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancauseersonalinjuryandmachinedamage.
•Donotservicethefollowingartswiththepoweronwhentheyareremovedfromtheirnormaloerating
lacesinamachine:
–Powersulyunits
–Pums
–Blowersandfans
–Motorgenerators
–Partssimilartothoselistedabove
Thisracticeensurescorrectgroundingoftheunits.
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffower.
–Sendanotherersontogetmedicalaid.
Safetyinspectionguide
Theuroseofthisinsectionguideistoassistyouinidentifyingotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtorotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifyotential
safetyhazardsduetoattachmentofnon-ThinkPadfeaturesorotionsnotcoveredbythisinsectionguide.
Ifanyunsafeconditionsareresent,youmustdeterminehowserioustheaarenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheroblem.
2ThinkPadP40Y oga,S3,ThinkPadYoga14,andThinkPadYoga460HardwareMaintenanceManual

Considertheseconditionsandthesafetyhazardstheyresent:
•Electricalhazards,eseciallyrimaryower(rimaryvoltageontheframecancauseseriousorfatal
electricalshock)
•Exlosivehazards,suchasadamagedCRTfaceorabulgingcaacitor
•Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanyotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththeoweroff,andtheowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharedges).
2.Poweroffthecomuter.Disconnecttheowercord.
3.Checktheowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundinandtheframeground.
b.Theowercordshouldbetheauthorizedtyesecifiedforyourcomuter.Goto:
htt://www.lenovo.com/servicearts-looku
c.Insulationmustnotbefrayedorworn.
4.Checkforcrackedorbulgingbatteries.
5.Removethecover.
6.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany
non-ThinkPadalterations.
7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror
otherliquids,orsignsoffireorsmokedamage.
8.Checkforworn,frayed,orinchedcables.
9.Checkthattheower-sulycoverfasteners(screwsorrivets)havenotbeenremovedortameredwith.
Handlingdevicesthataresensitivetoelectrostaticdischarge
Anycomuterartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,theart,theworkmat,andthe
ersonhandlingtheartareallatthesamecharge.
Notes:
1.Useroduct-secificESDrocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDrotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
WhenhandlingESD-sensitivearts:
•Keetheartsinrotectiveackagesuntiltheyareinsertedintotheroduct.
•Avoidcontactwithothereole.
•Wearagroundedwriststraagainstyourskintoeliminatestaticonyourbody.
•Preventtheartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststra.
•Useagroundedworkmattorovideastatic-freeworksurface.Thematiseseciallyusefulwhen
handlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toroviderotectionthatmeetsthesecific
servicerequirement.
Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.
–AttachtheESDgroundclitoanyframeground,groundbraid,orgreen-wireground.
Chater1.Safetyinformation3

–Whenworkingonadouble-insulatedorbattery-oeratedsystem,useanESDcommongroundor
referenceoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundgroundrongoftheaclugonac-oeratedcomuters.
Groundingrequirements
Electricalgroundingofthecomuterisrequiredforoeratorsafetyandcorrectsystemfunction.Proer
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Safetynotices(multilingualtranslations)
Thesafetynoticesinthissectionarerovidedinthefollowinglanguages:
•English
•Arabic
•BrazilianPortuguese
•French
•German
•Hebrew
•Jaanese
•Korean
•Sanish
•TraditionalChinese
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6ThinkPadP40Y oga,S3,ThinkPadYoga14,andThinkPadYoga460HardwareMaintenanceManual

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12ThinkPadP40Y oga,S3,ThinkPadYoga14,andThinkPadYoga460HardwareMaintenanceManual

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14ThinkPadP40Y oga,S3,ThinkPadYoga14,andThinkPadYoga460HardwareMaintenanceManual