Lenovo Yoga Book Series Yoga Book User manual

Category
Tablets
Type
User manual
YOGA BOOK
Lenovo YB1-X90F
Lenovo YB1-X90L
Hardware
Maintenance
Manual
Note:
Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
under“Notices”onpage 60.
First Edition (August 2016)
© Copyright Lenovo 2016. All rights reserved.
LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivate
expenseandaresoldtogovernmentalentitiesascommercialitemsasdefinedby48C.F.R.2.101with
limitedandrestrictedrightstouse,reproductionanddisclosure.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts,data,computersoftware,orservicesare
deliveredpursuantaGeneralServicesAdministration“GSA”contract, use,reproduction,ordisclo
sureissubjecttorestrictionssetforthinContractNo.GS35F05925.
©2016Lenovo
iii
About this manual........................................iv
Safety information.........................................1
Generalsafety ...................................................... 2
Electricalsafety.................................................... 3
Safetyinspectionguide ...................................... 5
Handlingdevicesthataresensitive
toelectrostaticdischarge.................................... 6
Groundingrequirements ................................... 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement............................. 14
Important service information ...................16
Strategyforreplac ingFRUs............................. 16
Importantnoticeforreplacing
amainboard ................................................ 17
Importantinformationaboutreplacing
RoHScompliantFRUs...................................... 18
General checkout........................................19
Whattodofirst.................................................. 20
Powersystemcheckout .................................... 21
CheckingtheTabACCharger .................. 21
Checkingtheinternalbatterystatus......... 21
Related service information.......................23
Security ............................................................... 23
Powermanagement .......................................... 23
Activating/DeactivatingtheDisplay........ 23
Lenovo YOGA BOOK..................................24
FRUreplacementnotices.................................. 25
Screwnotices................................................ 25
RemovingandreplacinganFRU.................... 26
1010KeyboardAssembly........................... 27
1020Battery.................................................. 29
1030DcoverHingeStand ......................... 32
1040AcoverandHinge............................. 33
1050Speaker................................................. 36
1060USBFPC............................................... 39
1070SubBoard ............................................ 41
1080Camera................................................. 44
1090EPFPC ................................................. 45
1100SKFPC ................................................. 46
1110PWRKFPC .......................................... 48
1120MainBoard.......................................... 51
Locations .............................................................53
Partslist............................................................... 54
Overall...........................................................55
ACAdapter ..................................................58
USBCable .....................................................58
Screw ............................................................. 58
Label .............................................................. 58
Others ............................................................59
Notices .........................................................60
Trademarks......................................................... 61
Contents
iv
Thismanualcontainsserviceandreferenceinformationforthefollowing
Lenovoproduct:
Lenovo YOGA BOOK
Usethismanualtotroubleshootproblems.
Themanualisdividedintothefollowingsections:
Thecommonsectionsprovidegeneralinformation,guidelines,andsafety
informationrequiredforservicingcomputers.
Theproductspecificsectionincludesservice,reference,andproductspecific
partsinformation.
About this manual
Important:
Thismanualisintendedonlyfortrainedservicerswhoarefamiliarwith
Lenovoproducts.Usethismanualtotroubleshootproblemseffectively.
BeforeservicingaLenovoproduct,makesuretoreadalltheinformation
under“Safetyinformation”onpage 1and“Importantserviceinformation”
onpage 16.
Safetyinformation
1
Thischapterpresentsthefollowingsafetyinformationthatyouneedtoget
familiarwithbeforeyouserviceaLenovocomputer:
“Generalsafety”onpage 2
“Electricalsafety”onpage 3
“Safetyinspectionguideonpage 5
“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage 6
“Groundingrequirements”onpage 6
“Safetynotices:multilingualtranslations”onpage 7
“Lasercompliancestatement”onpage 14
Safety information
LenovoYOGABOOKHardwareMaintenanceManual
2
Followtheserulesbelowtoensuregeneralsafety:
Observeagoodhousekeepingintheareawherethemachinesareputduring
andafterthemaintenance.
Whenliftinganyheavyobject:
1. Makesurethatyoucanstandsafelywithoutslipping.
2. Distributetheweightoftheobjectequallybetweenyourfeet.
3. Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempt
toliftit.
4. Liftitbystandingorpushingupwithyourlegmuscles;thisactioncould
avoidthestrainfromthemusclesinyourback.Donotattempttoliftany
objectthatweighsmorethan 16kg(35lb)orthatyouthinkistooheavyfor
you.
Donotperformanyactionthatcauseshazardstothecustomer,orthatmakes
themachineunsafe.
Beforeyoustartthemachine,makesurethatotherservicerepresentatives
andthecustomerarenotinahazardousposition.
Placeremovedcoversandotherpartsinasafeplace,keepingthemaway
fromallpersonnel,whileyouareservicingthemachine.
Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripit
over.
Donotwearlooseclothingthatcanbetrappedinthemovingpartsofthe
machine.Makesurethatyoursleevesarefastenedorrolledupaboveyour
elbows.Ifyourhairislong,fastenit.
Inserttheendsofyournecktieorscarfinsideclothingorfastenitwiththe
nonconductiveclip,about8centimeters(3inches)fromtheend.
Donotwearjewelry,chains,metalframeeyeglasses,ormetalfastenersfor
yourclothing.
Attention:Metalobjectsaregoodelectricalconductors.
Wearsafetyglasseswhenyouarehammering,drilling,soldering,cutting
wire,attachingsprings,usingsolvents,orworkinginanyotherconditions
thatmaybehazardoustoyoureyes.
Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.
Replaceanysafetydevicethatiswornordefective.
Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Fanlouversonthemachinehelptopreventtheoverheatingofinternal
components.Donotobstructfanlouversorcoverthemwithlabelsor
stickers.
General safety
Safetyinformation
3
Observethefollowingruleswhenworkingonelectricalequipments.
Findtheroomemergencypoweroff(EPO)switch,disconnectingtheswitch
orelectricaloutlet.Ifanelectricalaccidentoccurs,youcanthenoperatethe
switchorunplugthepowercordquickly.
Donotworkaloneunderhazardousconditionsorneartheequipmentthat
hashazardousvoltages.
Disconnectallpowerbefore:
Performingamechanicalinspection
Workingnearpowersupplies
Removingorinstallingmainunits
Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyou
cannotunplugit,askthecustomertopoweroffthewallboxthatsupplies
powertothemachine,andtolockthewallboxintheoffposition.
Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observe
thefollowingprecautions:
Ensurethatanotherperson,familiarwiththepoweroffcontrols,isnear
you.
Attention:Anotherpersonmustbetheretoswitchoffthepower,if
necessary.
Useonlyonehandwhenworkingwithpoweredonelectricalequipment;
keeptheotherhandinyourpocketorbehindyourback.
Attention:Anelectricalshockcanoccuronlywhenthereisacomplete
circuit.Byobservingtheaboverule,youmaypreventacurrentfrom
passingthroughyourbody.
Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobe
leadsandaccessoriesforthattester.
Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulate
youfromgroundssuchasmetalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;
instructionsfortheseprecautionsareinthesafetysectionsofmaintenance
information.Beextremelycarefulwhenyoumeasurethehighvoltages.
Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperational
condition.
Donotusewornorbrokentoolsandtesters.
Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkit
tomakesurethatithasbeenpoweredoff.
Electrical safety
Important:
Useonlyapprovedtoolsandtestequipments.Somehandtoolshave
handlescoveredwithasoftmaterialthatdoesnotinsulateyouwhen
workingwithliveelectricalcurrents.
Manycustomershaverubberfloormatsneartheirmachinesthatcontain
smallconductivefiberstodecreaseelectrostaticdischarges.Donotusesuch
kindofmattoprotectyourselffromelectricalshock.
LenovoYOGABOOKHardwareMaintenanceManual
4
Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesof
thesehazardsaremoistfloors,nongroundedpowerextensioncables,power
surges,andmissingsafetygrounds.
Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplastic
dentalmirror.Thesurfaceisconductive;suchtouchingcancause
personal
injuryandmachinedamage.
Donotservicethefollowingpartswiththepoweronwhentheyareremoved
fromtheirnormaloperatingplacesinamachine:
Powersupplyunits
Pumps
Blowersandfans
Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
Ifanelectricalaccidentoccurs:
Caution:donotbecomeavictimyourself.
Switchoffthepower.
Sendthevictimtogetmedicalaid.
Safetyinformation
5
Thepurposeofthisinspectionguideistoassistyouinidentifyingpotential
unsafeconditions.Aseachmachinewasdesignedandbuilt,requiredsafety
itemswereinstalledtoprotectusersandservicepersonnelfrominjury.This
guideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentify
potentialsafetyhazardsaccordingtotheattachmentofnonLenovofeaturesor
optionsnotcoveredbythisinspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowseriousthe
apparenthazardcouldbeandwhetheryoucancontinuewithoutfirstcorrecting
theproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
Electricalhazards,especiallyprimarypower(primaryvoltageontheframe
cancauseseriousorfatalelectricalshock)
Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor
Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanypotentialunsafeconditions,usethe
followingchecklistatthebeginningofeveryservicetask.Beginthecheckswith
thepoweroff,andthepowercorddisconnected.
Checklist:
1. Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2. Turnoffthecomputer.Disconnectthepowercord.
3. Checkthepowercordfor:
a. Athirdwiregroundconnectoringoodcondition.Useametertomeasure
thirdwiregroundcontinuityfor0.1ohmorlessbetweentheexternal
groundpinandtheframeground.
b. Thepowercordshouldbethetypespecifiedinthepartslist.
c. Insulationmustnotbefrayedorworn.
4. Checkforcrackedorbulgingbatteries.
5. Removethecover.
6. CheckforanyobviousnonLenovoalterations.Usegoodjudgmentastothe
safetyofanynonLenovoalterations.
7. Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,
contamination,waterorotherliquids,orsignsoffireorsmokedamage.
8. Checkforworn,frayed,orpinchedcables.
9. Checkthatthepowersupplycoverfasteners(screwsorrivets)havenotbeen
removedortamperedwith.
Safety inspection guide
LenovoYOGABOOKHardwareMaintenanceManual
6
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbe
consideredsensitivetoelectrostaticdischarge(ESD).ESDdamagecanoccur
whenthereisadifferenceinchargebetweenobjects.ProtectagainstESDdamage
byequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
WhenhandlingESDsensitiveparts:
Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
Avoidcontactwithotherpeople.
Wearagroundedwriststrapagainstyourskintoeliminatestaticonyour
body.
Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeand
retainsachargeevenwhenyouarewearingawriststrap.
Usetheblacksideofagroundedworkmattoprovideastaticfreework
surface.ThematisespeciallyusefulwhenhandlingESDsensitivedevices.
Selectagroundingsystem,suchasthoselistedbelow,toprovideprotection
thatmeetsthespecificservicerequirement.
AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen
wireground.
Whenworkingonadoubleinsulatedorbatteryoperatedsystem,usean
ESDcommongroundorreferencepoint.Youcanusecoaxorconnector
outsideshellsonthesesystems.
Usetheroundgroundprongoftheacplugonacoperatedcomputers.
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrect
systemfunction.Propergroundingoftheelectricaloutletcanbeverifiedbya
certifiedelectrician.
Handling devices that are sensitive to electrostatic discharge
Notes:
1. UseproductspecificESDprocedureswhentheyexceedthe
requirementsnotedhere.
2. MakesurethattheESDprotectivedevicesyouusehavebeencertified
(ISO9000)asfullyeffective.
Notes:
TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebut
notnecessary.
Grounding requirements
Safetyinformation
7
ThesafetynoticesinthissectionareprovidedinEnglish,French,German,
Hebrew,Italian,Japanese,andSpanish.
Safety notices: multilingual translations
Safety notice 1
BeforethecomputerispoweredonafterFRUreplacement,makesureall
screws,springs,andothersmallpartsareinplaceandarenotleftloose
insidethecomputer.Verifythisbyshakingthecomputerandlisteningfor
rattlingsounds.Metallicpartsormetalflakescancauseelectricalshorts.
Avantderemettrel’ordinateursoustensionaprèsremplacementd’uneunité
enclientèle,vérifiezquetouslesressorts,visetautrespiècessontbienen
placeetbienfixées.Pourcefaire,secouezl’unitéetassurezvousqu’aucun
bruitsuspectneseproduit.Despiècestalliquesoudescopeauxdemétal
pourraientcauseruncourtcircuit.
BevornacheinemFRUAustauschderComputerwiederangeschlossen
wird,mußsichergestelltwerden,daßkeineSchrauben,Federnoderandere
KleinteilefehlenoderimGehäusevergessenwurden.DerComputermuß
geschütteltundaufKlappergeräuschegeprüftwerden.Metallteileoder
splitterkönnenKurzschlüsseerzeugen.
Primadiaccenderel’elaboratoredopocheéstataeffettuatalasostituzionedi
unaFRU,accertarsichetutteleviti,lemolleetuttelealtripartidipiccole
dimensionisianonellacorrettaposizioneenonsianosparseall’interno
dell’elaboratore.Verificareciòscuotendol’elaboratoreeprestando
attenzioneadeventualirumori;eventualipartiopezzettimetallicipossono
provocarecortocircuitipericolosi.
AntesdeencenderelsistemadespuesdesustituirunaFRU,compruebeque
todoslostornillos,muellesydemáspiezaspequeñasseencuentranensu
sitioynoseencuentransueltasdentrodelsistema.Compruébeloagitandoel
sistemayescuchandolosposiblesruidosqueprovocarían.Laspiezas
metálicaspuedencausarcortocircuitoseléctricos.
LenovoYOGABOOKHardwareMaintenanceManual
8
Safety notice 2
DANGER
Somestandbybatteriescontainasmallamountofnickelandcadmium.Do
notdisassembleastandbybattery,rechargeit,throwitintofireorwater,or
shortcircuitit.Disposeofthebatteryasrequiredbylocalordinancesor
regulations.Useonlythebatteryintheappropriatepartslisting.Useofan
incorrectbatterycanresultinignitionorexplosionofthebattery.
Certainesbatteriesdesecourscontiennentdunickeletducadmium.Neles
démontezpas,nelesrechargezpas,nelesexposezniaufeuniàl’eau.Ne
lesmettezpasencourtcircuit.Pourlesmettreaurebut,conformezvousà
laréglementationenvigueur.Lorsquevousremplacezlapiledesauvegarde
oucelledel’horlogetempsréel,veillezàn’utiliserquelesmodèlescitésdans
lalistedepiècesdétachéesadéquate.Unebatterieouunepileinappropriée
risquedeprendrefeuoud’exploser.
DieBereitschaftsbatterie,diesichunterdemDiskettenlaufwerkbefindet,
kanngeringeMengenNickelundCadmiumenthalten.Siedarfnicht
zerlegt,wiederaufgeladen,kurzgeschlossen,oderFeueroderWasser
ausgesetztwerden.BeiderEntsorgungdieörtlichenBestimmungenfür
Sondermüllbeachten.BeimErsetzenderBereitschaftsoderSystembatterie
nurBatteriendesTypsverwenden,derinderErsatzteillisteaufgeführtist.
DerEinsatzfalscherBatterienkannzuEntzündungoderExplosionführen.
Alcunebatteriediriservacontengonounapiccolaquantitàdinichele
cadmio.Nonsmontarle,ricaricarle,gettarlenelfuocoonell’acqua
cortocircuitarle.Smaltirlesecondolanormativainvigore(DPR915/82,
successivedisposizioniedisposizionilocali).Quandosisostituiscela
batteriadell’RTC(realtimeclock)olabatteriadisupporto,utilizzare
soltantoitipiinseritinell’appropriatoCatalogoparti.L’impiegodiuna
batterianonadattapotrebbedeterminarel’incendiool’esplosionedella
batteriastessa.
Algunasbateríasdereservacontienenunapequeñacantidaddeníquely
cadmio.Nolasdesmonte,nirecargue,nilasechealfuegooalaguanilas
cortocircuite.Deséchelastalcomodisponelanormativalocal.Utilicesólo
bateríasqueseencuentrenenlalistadepiezas.Lautilizacióndeunabatería
noapropiadapuedeprovocarlaigniciónoexplosióndelamisma.
Safetyinformation
9
Safety notice 3
DANGER
Thebatterypackcontainssmallamountsofnickel.Donotdisassembleit,
throwitintofireorwater,orshortcircuitit.Disposeofthebatterypackas
requiredbylocalordinancesorregulations.Useonlythebatteryinthe
appropriatepartslistingwhenreplacingthebatterypack.Useofan
incorrectbatterycanresultinignitionorexplosionofthebattery.
Labatteriecontientdunickel.Neladémontezpas,nel’exposezniaufeuni
àl’eau.Nelamettezpasencourtcircuit.Pourlamettreaurebut,
conformezvousàlaréglementationenvigueur.Lorsquevousremplacezla
batterie,veillezàn’utiliserquelesmodèlescitésdanslalistedepièces
détachéesadéquate.Eneffet,unebatterieinappropriéerisquedeprendre
feuoud’exploser.
AkkusenthaltengeringeMengenvonNickel.Siedürfennichtzerlegt,
wiederaufgeladen,kurzgeschlossen,oderFeueroderWasserausgesetzt
werden.BeiderEntsorgungdieörtlichenBestimmungenfürSondermüll
beachten.BeimErsetzenderBatterienurBatteriendesTypsverwenden,der
inderErsatzteillisteaufgeführtist.DerEinsatzfalscherBatterienkannzu
EntzündungoderExplosionführen.
Labatteriacontienepiccolequantitàdinichel.Nonsmontarla,gettarlanel
fuocoonell’acquacortocircuitarla.Smaltirlasecondolanormativain
vigore(DPR915/82,successivedisposizioniedisposizionilocali).Quandosi
sostituiscelabatteria,utilizzaresoltantoitipiinseritinell’appropriato
Catalogoparti.L’impiegodiunabatterianonadattapotrebbedeterminare
l’incendiool’esplosionedellabatteriastessa.
Lasbateríascontienenpequeñascantidadesdeníquel.Nolasdesmonte,ni
recargue,nilasechealfuegooalaguanilascortocircuite.Deséchelastal
comodisponelanormativalocal.Utilicesólobateríasqueseencuentrenen
lalistadepiezasalsustituirlabatería.Lautilizacióndeunabateríano
apropiadapuedeprovocarlaigniciónoexplosióndelamisma.
LenovoYOGABOOKHardwareMaintenanceManual
10
Safety notice 4
DANGER
Thelithiumbatterycancauseafire,anexplosion,orasevereburn.Donot
rechargeit,removeitspolarizedconnector,disassembleit,heatitabove
100°C(212°F),incinerateit,orexposeitscellcontentstowater.Disposeof
thebatteryasrequiredbylocalordinancesorregulations.Useonlythe
batteryintheappropriatepartslisting.Useofanincorrectbatterycanresult
inignitionorexplosionofthebattery.
Lapiledesauvegardecontientdulithium.Elleprésentedesrisques
d’incendie,d’explosionoudebrûluresgraves.Nelarechargezpas,ne
retirezpassonconnecteurpolariséetneladémontezpas.Nel’exposezpas
àunetemperaturesupérieureà100°C,nelafaitespasbrûleretn’enexposez
paslecontenuàl’eau.Mettezlapileaurebutconformémentàla
réglementationenvigueur.Unepileinappropriéerisquedeprendrefeuou
d’exploser.
DieSystembatterieisteineLithiumbatterie.Siekannsichentzünden,
explodierenoderschwereVerbrennungenhervorrufen.Batteriendieses
Typsdürfennichtaufgeladen,zerlegt,über100Cerhitztoderverbrannt
werden.AuchdarfihrInhaltnichtmitWasserinVerbindunggebrachtoder
derzurrichtigenPolungangebrachteVerbindungssteckerentferntwerden.
BeiderEntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.
BeimErsetzenderBatterienurBatteriendesTypsverwenden,derinder
Ersatzteillisteaufgeführtist.DerEinsatzfalscherBatterienkannzu
EntzündungoderExplosionführen.
Labatteriadisupportoeunabatteriaallitioepuoincendiarsi,esplodereo
procuraregraviustioni.Evitarediricaricarla,smontarneilconnettore
polarizzato,smontarla,riscaldarlaadunatemperaturasuperioreai100
gradicentigradi,incendiarlaogettarlainacqua.Smaltirlasecondola
normativainvigore(DPR915/82,successivedisposizioniedisposizioni
locali).L’impiegodiunabatterianonadattapotrebbedeterminare
l’incendiool’esplosionedellabatteriastessa.
Labateríaderepuestoesunabateríadelitioypuedeprovocarincendios,
explosionesoquemadurasgraves.Nolarecargue,niquiteelconector
polarizado,niladesmonte,nicalienteporencimadelos100°C(212°F),nila
incinereniexpongaelcontenidodesusceldasalagua.Deséchelatalcomo
disponelanormativalocal.
Safetyinformation
11
Safety notice 5
IftheLCDbreaksandthefluidfrominsidetheLCDgetsintoyoureyesor
onyourhands,immediatelywashtheaffectedareaswithwateratleastfor
15minutes.Seekmedicalcareifanysymptomscausedbythefluidare
presentafterwashing.
Silepanneaud’affichageàcristauxliquidessebriseetquevousrecevezdans
lesyeuxousurlesmainsunepartiedufluide,rincezlesabondamment
pendantaumoinsquinzeminutes.Consultezunmédecinsidessymptômes
persistentaprèslelavage.
DieLeuchtstoffröhreimLCDBildschirmenthältQuecksilber.Beider
EntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.Der
LCDBildschirmbestehtausGlasundkannzerbrechen,wenner
unsachgemäßbehandeltwirdoderderComputeraufdenBodenfällt.Wenn
derBildschirmbeschädigtistunddiedarinbefindlicheFlüssigkeitin
KontaktmitHautundAugengerät,solltendiebetroffenenStellen
mindestens15MinutenmitWasserabgespültundbeiBeschwerden
anschließendeinArztaufgesuchtwerden.
Nelcasochecasol’LCDsidovesserompereedilliquidoinessocontenuto
entrasseincontattocongliocchiolemani,lavareimmediatamenteleparti
interessateconacquacorrenteperalmeno15minuti;poiconsultareun
medicoseisintomidovesseropermanere.
SilaLCDserompeyelfluidodesuinteriorentraencontactoconsusojoso
susmanos,laveinmediatamentelasáreasafectadasconaguadurante
15minutoscomomínimo.Obtengaatenciónmedicasisepresentaalgún
LenovoYOGABOOKHardwareMaintenanceManual
12
Safety notice 6
DANGER
Toavoidshock,donotremovetheplasticcoverthatprotectsthelowerpart
oftheinvertercard.
Afind’évitertoutrisquedechocélectrique,neretirezpaslecacheen
plastiqueprotégeantlapartieinférieuredelacarted’alimentation.
AusSicherheitsgründendieKunststoffabdeckung,diedenunterenTeilder
Spannungswandlerplatineumgibt,nichtentfernen.
Perevitarescosseelettriche,nonrimuoverelacoperturainplasticache
avvolgelaparteinferioredellaschedainvertitore.
Paraevitardescargas,noquitelacubiertadeplásticoquerodealapartebaja
delatarjetainvertida.
Safety notice 7
DANGER
Thoughthemainbatterieshavelowvoltage,ashortedorgroundedbattery
canproduceenoughcurrenttoburnpersonnelorcombustiblematerials.
Bienquelevoltagedesbatteriesprincipalessoitpeuélevé,lecourtcircuitou
lamiseàlamassed’unebatteriepeutproduiresuffisammentdecourant
pourbrûlerdesmatériauxcombustiblesoucauserdesbrûlurescorporelles
graves.
ObwohlHauptbatterieneineniedrigeSpannunghaben,könnensiedochbei
KurzschlußoderErdunggenugStromabgeben,umbrennbareMaterialien
zuentzündenoderVerletzungenbeiPersonenhervorzurufen.
Sebbenelebatteriedialimentazionesianoabassovoltaggio,unabatteriain
cortocircuitooamassapuòfornirecorrentesufficientedabruciaremateriali
combustibilioprovocareustioniaitecnicidimanutenzione.
Aunquelasbateríasprincipalestienenunvoltajebajo,unabatería
cortocircuitadaoconcontactoatierrapuedeproducirlacorrientesuficiente
comoparaquemarmaterialcombustibleoprovocarquemadurasenel
personal.
Safetyinformation
13
Safety notice 8
DANGER
BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercords
fromelectricaloutlets,removethebatterypack,andthendisconnectany
interconnectingcables.
Avantderetireruneunitéremplaçableenclientèle,mettezlesystèmehors
tension,débrancheztouslescordonsd’alimentationdessoclesdeprisede
courant,retirezlabatterieetdéconnecteztouslescordonsd’interface.
DieStromzufuhrmußabgeschaltet,alleStromkabelausderSteckdose
gezogen,derAkkuentferntundalleVerbindungskabelabgenommensein,
bevoreineFRUentferntwird.
PrimadirimuoverequalsiasiFRU,spegnereilsistema,scollegaredalleprese
elettrichetuttiicavidialimentazione,rimuoverelabatteriaepoiscollegare
icavidiinterconnessione.
AntesdequitarunaFRU,apagueelsistema,desenchufetodosloscablesde
lastomasdecorrienteeléctrica,quitelabateríay,acontinuación,desconecte
cualquiercabledeconexiónentredispositivos.
LenovoYOGABOOKHardwareMaintenanceManual
14
Somemodelsof Lenovocomputerareequippedfromthefactorywithanoptical
storagedevicesuchasaCDROMdriveoraDVDROMdrive.Suchdevicesare
alsosoldseparatelyasoptions.Ifoneofthesedrivesisinstalled,itiscertifiedin
theU.S.toconformtotherequirementsoftheDepartmentofHealthandHuman
Services21CodeofFederalRegulations(DHHS21CFR)SubchapterJforClass
1laserproducts.Elsewhere,thedriveiscertifiedtoconformtotherequirements
oftheInternationalElectrotechnicalCommission(IEC)825andCENELECEN60
825forClass1laserproducts.
IfaCDROMdrive,aDVDROMdrive,oranotherlaserdeviceisinstalled,note
thefollowing:
OpeningtheCDROMdrive,theDVDROMdrive,oranyotheropticalstorage
devicecouldresultinexposuretohazardouslaserradiation.Thereareno
serviceablepartsinsidethosedrives.Do not open.
Laser compliance statement
CAUTION
Useofcontrolsoradjustmentsorperformanceofproceduresotherthan
thosespecifiedhereinmightresultinhazardousradiationexposure.
Ousodecontroles,ajustesoudesempenhodeprocedimentosdiferentes
daquelesaquiespecificadospoderesultaremperigosaexposiçãoàradiação.
Pourévitertoutrisqued’expositionaurayonlaser,respectezlesconsignes
deréglageetd’utilisationdescommandes,ainsiquelesprocéduresdécrites.
WerdenSteuer‐undEinstellelementeandersalshierfestgesetztverwendet,
kanngefährlicheLaserstrahlungauftreten.
L’utilizzodicontrolli,regolazioniol’esecuzionediprocedurediverseda
quellespecificatepossonoprovocarel’esposizionea.
Elusodecontrolesoajustesolaejecucióndeprocedimientosdistintosdelos
aquíespecificadospuedeprovocarlaexposiciónaradiacionespeligrosas.
Safetyinformation
15
ACDROMdrive,aDVDROMdrive,oranyotherstoragedeviceinstalledmay
containanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
DANGER
Emitsvisibleandinvisiblelaserradiationwhenopen.Donotstareintothe
beam,donotviewdirectlywithopticalinstruments,andavoiddirect
exposuretothebeam.
Radiaçãoporraiolaseraoabrir.Nãoolhefixonofeixedeluz,nãoolhe
diretamentepormeiodeinstru mentosóticoseeviteexposiçãodiretacomo
feixedeluz.
Rayonnementlasersicarterouvert.Évitezdefixerlefaisceau,deleregarder
directementavecdesinstrumentsoptiques,oudevousexposeraurayon.
LaserstrahlungbeigeöffnetemGerät.Nichtdirektoderüberoptische
InstrumenteindenLaserstrahlsehenunddenStrahlungsbereichmeiden.
Kinyitáskorlézersugár!Nenézzenbeleseszabadszemmel,seoptikai
eszközökkel.Kerüljea sugárnyalábbalvalóérintkezést!
Aprendol’unitàvengonoemesseradiazionilaser.Nonfissareilfascio,non
guardarlodirettamenteconstrumentiotticieevitarel’esposizionedirettaal
fascio.
Radiaciónláseralabrir.Nomirefijamenteniexamineconinstrumental
ópticoelhazdeluz.Evitelaexposicióndirectaalhaz.
LenovoYOGABOOKHardwareMaintenanceManual
16
Thischapterpresentsthefollowingimportantserviceinformation:
“StrategyforreplacingFRUs”onpage 16
“Importantnoticeforreplacingamainboard”onpage 17
“ImportantinformationaboutreplacingRoHScompliantFRUs”onpage 18
Before replacing parts:
Makesurethatallsoftwarefixes,drivers,andBIOSdownloadsareinstalled
beforereplacinganyFRUslistedinthismanual.
Afteramainboardisreplaced,ensurethatthelatestBIOSisloadedtothemain
boardbeforecompletingtheserviceaction.
Todownloadsoftwarefixes,drivers,andBIOS,followthestepsbelow:
1. Gotohttp://support.lenovo.com/.
2. EnteraserialnumberorselectaproductoruseLenovosmartdownloading.
3. SelecttheBIOS/Driver/Applicationsanddownload.
4. Followthedirectionsonthescreenandinstallthenecessarysoftware.
Important service information
Important:
BIOSanddevicedriverfixesarecustomerinstallable.TheBIOSanddevice
driversarepostedonthecustomersupportsite:
http://support.lenovo.com/.
Strategy for replacing FRUs
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Lenovo Yoga Book Series Yoga Book User manual

Category
Tablets
Type
User manual

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