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Lenovo Yoga 3 14 Hardware Maintenance Manual

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Page 1: Lenovo Yoga 3 14 Lap Top

Lenovo Yoga 3 14

Hardware Maintenance Manual

Page 2: Lenovo Yoga 3 14 Lap Top

Notes:• Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder“Notices”onpage71.

First Edition (Dec. 2014)© Copyright Lenovo 2014. All rights reserved.LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.© 2014 Lenovo

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ContentsAbout this manual ....................................... iv

Safety information ........................................ 1General safety ................................................ 2Electrical safety .............................................. 3Safety inspection guide .................................. 5Handling devices that are sensitive to electrostatic discharge .................................... 6Grounding requirements ................................. 6Safety notices: multilingual translations.......... 7Laser compliance statement......................... 14

Important service information ................... 16Strategy for replacing FRUs ......................... 16

Strategy for replacing a hard disk drive ............17Important notice for replacing a system board ................................................................17

Important information about replacing RoHS compliant FRUs ............................................ 18

General checkout ...................................... 19What to do first ............................................. 20Power system checkout................................ 21

Checking the AC adapter .................................21Checking operational charging .........................21

Related service information ...................... 23 Restoring the factory contents by using OneKey Recovery ........................................ 23

Restore of factory default .................................23Passwords .................................................... 24

Power-on password ..........................................24Hard-disk password ..........................................24Supervisor password ........................................24

Power management ..................................... 25Screen blank state ............................................25Putting the computer to sleep or shutting it down .................................................25Putting your computer to sleep .........................25Shutting down the computer .............................26

Lenovo Yoga 3 14 ....................................... 27Specifications ............................................... 27Status indicators ........................................... 29Fn key combinations..................................... 30FRU replacement notices ............................. 31

Screw notices ..................................................31Removing and replacing an FRU ................. 32

1010 Base cover ...............................................331020 Battery pack .............................................351030 Hard disk drive ........................................361040 PCI Express Mini Card for wireless LAN ..................................................................391050 DIMM .......................................................41

1060 Fan assembly and heat sink assembly ....421070 LCD unit ...................................................441080 System board ..........................................461090 Speakers .................................................491100 Power assembly and IO board.................501110 LCD front cover ........................................511120 Mic board, LCD cover, and hinges ...........531130 LCD module .............................................56

Locations ...................................................... 58Front view and right-side view ..........................58Bottom and Left-side view ...............................59

Parts list ........................................................ 60Overall ..............................................................61LCD FRUs ........................................................65Keyboard ..........................................................67Miscellaneous parts ..........................................69Screw ................................................................69AC adapters ......................................................70Power cords ......................................................71

Notices......................................................... 72Trademarks .................................................. 73

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About this manual

This manual contains service and reference information for the following Lenovo product:

Lenovo Yoga 3 14Use this manual to troubleshoot problems.The manual is divided into the following sections:• The common sections provide general information, guidelines, and safety

information required for servicing computers.• The product-specific section includes service, reference, and product-specific

parts information.

Important:ThismanualisintendedonlyfortrainedservicerswhoarefamiliarwithLenovoproducts.Usethismanualtotroubleshootproblemseffectively.BeforeservicingaLenovoproduct,makesuretoreadall theinformationunder“Safetyinformation”onpage1and“Importantserviceinformation”onpage16.

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Safety information

Safety information

This chapter presents the following safety information that you need to get familiar with before you service a Lenovo Yoga 3 14 computer:• “General safety” on page 2• “Electrical safety” on page 3• “Safety inspection guide” on page 5• “Handling devices that are sensitive to electrostatic discharge” on page 6• “Grounding requirements” on page 6• “Safety notices: multilingual translations” on page 7• “Laser compliance statement” on page 14

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Lenovo Yoga 3 14 Hardware Maintenance Manual

General safetyFollow these rules below to ensure general safety:• Observe a good housekeeping in the area where the machines are put

during and after the maintenance.• When lifting any heavy object:

1. Make sure that you can stand safely without slipping.2. Distribute the weight of the object equally between your feet.3. Use a slow lifting force. Never move suddenly or twist when you attempt

to lift it.4. Lift it by standing or pushing up with your leg muscles; this action could

avoid the strain from the muscles in your back. Do not attempt to lift any object that weighs more than 16 kg (35 lb) or that you think is too heavy for you.

• Do not perform any action that causes hazards to the customer, or that makes the machine unsafe.

• Before you start the machine, make sure that other service representatives and the customer are not in a hazardous position.

• Please remove covers and other parts in a safe place, away from all personnel, while you are servicing the machine.

• Keep your toolcase away from walk areas so that other people will not trip over it.

• Do not wear loose clothing that can be trapped in the moving parts of the machine. Make sure that your sleeves are fastened or rolled up above your elbows. If your hair is long, fasten it.

• Insert the ends of your necktie or scarf inside clothing or fasten it with the nonconductive clip, about 8 centimeters (3 inches) from the end.

• Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your clothing.Attention: Metal objects are good electrical conductors.

• Wear safety glasses when you are hammering, drilling, soldering, cutting wire, attaching springs, using solvents, or working in any other conditions that may be hazardous to your eyes.

• After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective.

• Reinstall all covers correctly before returning the machine to the customer.• Fan louvers on the machine help to prevent the overheating of internal

components. Do not obstruct fan louvers or cover them with labels or stickers.

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Electrical safetyObserve the following rules when working on electrical equipments.

Important:Useonlyapproved toolsand testequipments.Somehand toolshavehandlescoveredwithasoftmaterial thatdoesnot insulateyouwhenworkingwithliveelectricalcurrents.Manycustomershaverubberfloormatsnear theirmachines thatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.Donotusesuchkindofmattoprotectyourselffromelectricalshock.

• Find the room emergency power-off (EPO) switch, disconnecting switch or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly.

• Do not work alone under hazardous conditions or near the equipment that has hazardous voltages.

• Disconnect all power before:– Performing a mechanical inspection– Working near power supplies– Removing or installing main units

• Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer to power-off the wall box that supplies power to the machine, and to lock the wall box in the off position.

• If you need to work on a machine that has exposed electrical circuits, observe the following precautions:– Ensure that another person, familiar with the power-off controls, is near

you. Attention: Another person must be there to switch off the power, if

necessary. – Use only one hand when working with powered-on electrical equipment;

keep the other hand in your pocket or behind your back. Attention: An electrical shock can occur only when there is a complete

circuit. By observing the above rule, you may prevent a current from passing through your body.

– When using testers, set the controls correctly and use the approved probe leads and accessories for that tester.

– Stand on suitable rubber mats (obtained locally, if necessary) to insulate you from grounds such as metal floor strips and machine frames.

Observe the special safety precautions when you work with very high voltages; instructions for these precautions are in the safety sections of maintenance information. Be extremely careful when you measure the high voltages.• Regularly inspect and maintain your electrical hand tools for safe operational

condition. • Do not use worn or broken tools and testers.• Never assume that power has been disconnected from a circuit. First, check

it to make sure that it has been powered off.

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Lenovo Yoga 3 14 Hardware Maintenance Manual

• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds.

• Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage.

• Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units– Pumps– Blowers and fans– Motor generatorsand similar units. (This practice ensures correct grounding of the units.)

• If an electrical accident occurs:– Caution: do not become a victim yourself.– Switch off the power.– Send the victim to get medical aid.

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Safety inspection guideThe purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards according to the attachment of non-Lenovo features or options not covered by this inspection guide.

If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem.

Consider these conditions and the safety hazards they present: • Electrical hazards, especially primary power (primary voltage on the frame

can cause serious or fatal electrical shock) • Explosive hazards, such as a damaged CRT face or a bulging capacitor• Mechanical hazards, such as loose or missing hardware

To determine whether there are any potential unsafe conditions, use the following checklist at the beginning of every service task. Begin the checks with the power off, and the power cord disconnected.

Checklist:1. Check exterior covers for damage (loose, broken, or sharp edges).2. Turn off the computer. Disconnect the power cord.3. Check the power cord for:

a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground continuity for 0.1 ohm or less between the external ground pin and the frame ground.

b. The power cord should be the type specified in the parts list.c. Insulation must not be frayed or worn.

4. Check for cracked or bulging batteries.5. Remove the cover.6. Check for any obvious non-Lenovo alterations. Use good judgment as to the

safety of any non-Lenovo alterations.7. Check inside the unit for any obvious unsafe conditions, such as metal

filings, contamination, water or other liquids, or signs of fire or smoke damage.

8. Check for worn, frayed, or pinched cables.9. Check that the power-supply cover fasteners (screws or rivets) have not

been removed or tampered with.

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Lenovo Yoga 3 14 Hardware Maintenance Manual

Handling devices that are sensitive to electrostatic dischargeAny computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.

Notes:1. Useproduct-specificESDprocedureswhen theyexceed the requirements

notedhere.2. Makesurethat theESDprotectivedevicesyouusehavebeencertified(ISO

9000)asfullyeffective.

When handling ESD-sensitive parts:• Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people.• Wear a grounded wrist strap against your skin to eliminate static on your

body.• Prevent the part from touching your clothing. Most clothing is insulative and

retains a charge even when you are wearing a wrist strap.• Use the black side of a grounded work mat to provide a static-free work

surface. The mat is especially useful when handling ESD-sensitive devices.• Select a grounding system, such as those listed below, to provide protection

that meets the specific service requirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

– Attach the ESD ground clip to any frame ground, ground braid, or green-wire ground.

– When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use coax or connector-outside shells on these systems.

– Use the round ground prong of the ac plug on ac-operated computers.

Grounding requirementsElectrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician.

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Safety notices: multilingual translationsThe safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish.

Safety notice 1 BeforethecomputerispoweredonafterFRUreplacement,makesureallscrews,springs, andother smallparts are inplaceandarenot left loose inside thecomputer.Verifythisbyshakingthecomputerandlisteningforrattlingsounds.Metallicpartsormetalflakescancauseelectricalshorts.Avantderemettre l’ordinateursous tensionaprèsremplacementd’uneunitéenclientèle,vérifiezquetouslesressorts,visetautrespiècessontbienenplaceetbienfixées.Pourcefaire,secouezl’unitéetassurez-vousqu’aucunbruitsuspectneseproduit.Despiècesmétalliquesoudescopeauxdemétalpourraientcauseruncourt-circuit.BevornacheinemFRU-AustauschderComputerwiederangeschlossenwird,mußsichergestelltwerden,daßkeineSchrauben,FedernoderandereKleinteilefehlenoderimGehäusevergessenwurden.DerComputermußgeschütteltundaufKlappergeräuschegeprüftwerden.Metallteileoder-splitterkönnenKurzschlüsseerzeugen.

Primadiaccenderel’elaboratoredopocheéstataeffettuatalasostituzionediunaFRU,accertarsichetutteleviti,lemolleetuttelealtripartidipiccoledimensionisianonellacorrettaposizioneenonsianosparseall’internodell’elaboratore.Verificareciòscuotendol’elaboratoreeprestandoattenzioneadeventualirumori;eventualipartiopezzettimetallicipossonoprovocarecortocircuitipericolosi.

Antesdeencenderel sistemadespuesde sustituirunaFRU,compruebequetodos los tornillos,muellesydemáspiezaspequeñasseencuentranensusitioynoseencuentransueltasdentrodelsistema.Compruébeloagitandoelsistemayescuchandolosposiblesruidosqueprovocarían.Laspiezasmetálicaspuedencausarcortocircuitoseléctricos.

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Safety notice 2

DANGERSomestandbybatteriescontainasmallamountofnickelandcadmium.Donotdisassembleastandbybattery, recharge it, throwit intofireorwater,orshort-circuit it.Disposeof thebatteryasrequiredbylocalordinancesorregulations.Useonlythebatteryintheappropriatepartslisting.Useofanincorrectbatterycanresultinignitionorexplosionofthebattery.Certainesbatteriesde secourscontiennentdunickel etducadmium.Ne lesdémontezpas,ne les rechargezpas,ne lesexposezni au feuni à l’eau.Nelesmettezpasencourt-circuit.Pour lesmettreaurebut,conformez-vousà laréglementationenvigueur.Lorsquevousremplacezlapiledesauvegardeoucelledel’horlogetempsréel,veillezàn’utiliserquelesmodèlescitésdanslalistedepiècesdétachéesadéquate.Unebatterieouunepileinappropriéerisquedeprendrefeuoud’exploser.DieBereitschaftsbatterie, die sich unter demDiskettenlaufwerk befindet,kanngeringeMengenNickelundCadmiumenthalten.Siedarfnichtzerlegt,wiederaufgeladen,kurzgeschlossen,oderFeueroderWasserausgesetztwerden.BeiderEntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.BeimErsetzenderBereitschafts-oderSystembatterienurBatteriendesTypsverwenden,der inderErsatzteillisteaufgeführt ist.DerEinsatzfalscherBatterienkannzuEntzündungoderExplosionführen.

Alcunebatteriedi riservacontengonounapiccolaquantitàdinichelecadmio.Nonsmontarle, ricaricarle,gettarlenel fuocoonell’acquanécortocircuitarle.Smaltirlesecondolanormativainvigore(DPR915/82,successivedisposizioniedisposizionilocali).Quandosisostituiscelabatteriadell’RTC(realtimeclock)olabatteriadisupporto,utilizzaresoltantoi tipi inseritinell’appropriatoCatalogoparti.L’impiegodiunabatterianonadattapotrebbedeterminare l’incendiool’esplosionedellabatteriastessa.

Algunasbateríasdereservacontienenunapequeñacantidaddeníquelycadmio.Nolasdesmonte,nirecargue,ni lasechealfuegooalaguanilascortocircuite.Deséchelas talcomodispone lanormativa local.Utilice sólobateríasqueseencuentrenenlalistadepiezas.Lautilizacióndeunabateríanoapropiadapuedeprovocarlaigniciónoexplosióndelamisma.

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Safety notice 3

DANGERThebatterypackcontainssmallamountsofnickel.Donotdisassembleit, throwitintofireorwater,orshort-circuitit.Disposeofthebatterypackasrequiredbylocalordinancesorregulations.Useonlythebatteryintheappropriatepartslistingwhenreplacingthebatterypack.Useofanincorrectbatterycanresultinignitionorexplosionofthebattery.Labatteriecontientdunickel.Neladémontezpas,nel’exposezniaufeuniàl’eau.Nelamettezpasencourt-circuit.Pour lamettreaurebut,conformez-vousà laréglementationenvigueur.Lorsquevousremplacezlabatterie,veillezàn’utiliserque lesmodèlescitésdans la listedepiècesdétachéesadéquate.Eneffet,unebatterieinappropriéerisquedeprendrefeuoud’exploser.Akkus enthalten geringeMengen vonNickel. Sie dürfen nicht zerlegt,wiederaufgeladen,kurzgeschlossen,oderFeueroderWasserausgesetztwerden.BeiderEntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.BeimErsetzenderBatterienurBatteriendesTypsverwenden,derinderErsatzteillisteaufgeführtist.DerEinsatzfalscherBatterienkannzuEntzündungoderExplosionführen.

Labatteriacontienepiccolequantitàdinichel.Nonsmontarla,gettarlanelfuocoonell’acquanécortocircuitarla.Smaltirlasecondolanormativainvigore(DPR915/82,successivedisposizioniedisposizioni locali).Quandosisostituisce labatteria,utilizzaresoltantoitipiinseritinell’appropriatoCatalogoparti.L’impiegodiunabatterianonadattapotrebbedeterminare l’incendioo l’esplosionedellabatteriastessa.

Lasbaterías contienenpequeñas cantidadesdeníquel.No lasdesmonte,nirecargue,nilasechealfuegooalaguanilascortocircuite.Deséchelastalcomodisponelanormativalocal.Utilicesólobateríasqueseencuentrenenlalistadepiezasalsustituir labatería.Lautilizacióndeunabateríanoapropiadapuedeprovocarlaigniciónoexplosióndelamisma.

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Safety notice 4

DANGERThe lithiumbatterycancausea fire, anexplosion,ora severeburn.Donotrechargeit, removeitspolarizedconnector,disassembleit,heat itabove100°C(212°F),incinerateit,orexposeitscellcontentstowater.Disposeofthebatteryasrequiredbylocalordinancesorregulations.Useonlythebatteryintheappropriatepartslisting.Useofanincorrectbatterycanresultinignitionorexplosionofthebattery.Lapiledesauvegardecontientdulithium.Elleprésentedesrisquesd’incendie,d’explosionoudebrûluresgraves.Ne la rechargezpas, ne retirezpas sonconnecteurpolariséetne ladémontezpas.Nel’exposezpasàunetemperaturesupérieureà100°C,nelafaitespasbrûleretn’enexposezpaslecontenuàl’eau.Mettez lapileaurebutconformémentà laréglementationenvigueur.Unepileinappropriéerisquedeprendrefeuoud’exploser.DieSystembatterieisteineLithiumbatterie.Siekannsichentzünden,explodierenoderschwereVerbrennungenhervorrufen.BatteriendiesesTypsdürfennichtaufgeladen,zerlegt,über100Cerhitztoderverbranntwerden.Auchdarf ihrInhaltnichtmitWasser inVerbindunggebrachtoderderzur richtigenPolungangebrachteVerbindungssteckerentferntwerden.BeiderEntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.BeimErsetzenderBatterienurBatteriendesTypsverwenden,derinderErsatzteillisteaufgeführtist.DerEinsatzfalscherBatterienkannzuEntzündungoderExplosionführen.

Labatteriadi supportoeunabatteriaal litioepuo incendiarsi, esplodereoprocuraregraviustioni.Evitarediricaricarla,smontarneilconnettorepolarizzato,smontarla, riscaldarlaaduna temperatura superioreai100gradi centigradi,incendiarlaogettarla inacqua.Smaltirlasecondolanormativa invigore(DPR915/82,successivedisposizioniedisposizioni locali).L’impiegodiunabatterianonadattapotrebbedeterminarel’incendiool’esplosionedellabatteriastessa.

Labatería de repuesto es unabatería de litioypuedeprovocar incendios,explosionesoquemadurasgraves.Nolarecargue,niquiteelconectorpolarizado,ni ladesmonte,nicalienteporencimade los100°C(212°F),ni la incinereniexpongael contenidode susceldasal agua.Deséchela tal comodispone lanormativalocal.

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Safety notice 5IftheLCDbreaksandthefluidfrominsidetheLCDgetsintoyoureyesoronyourhands, immediatelywashtheaffectedareaswithwaterat least for15minutes.Seekmedicalcareifanysymptomscausedbythefluidarepresentafterwashing.Silepanneaud’affichageàcristauxliquidessebriseetquevousrecevezdanslesyeuxousur lesmainsunepartiedufluide,rincez-lesabondammentpendantaumoinsquinzeminutes.Consultezunmédecinsidessymptômespersistentaprèslelavage.DieLeuchtstoffröhreimLCD-BildschirmenthältQuecksilber.BeiderEntsorgungdieörtlichenBestimmungen fürSondermüllbeachten.DerLCD-BildschirmbestehtausGlasundkannzerbrechen,wennerunsachgemäßbehandeltwirdoderderComputeraufdenBodenfällt.WennderBildschirmbeschädigtistunddiedarinbefindlicheFlüssigkeit inKontaktmitHautundAugengerät,solltendiebetroffenenStellenmindestens15MinutenmitWasserabgespültundbeiBeschwerdenanschließendeinArztaufgesuchtwerden.

Nelcasochecaso l’LCDsidovesse rompereed il liquido inessocontenutoentrasse incontattocongliocchio lemani, lavare immediatamente lepartiinteressateconacquacorrenteperalmeno15minuti;poiconsultareunmedicoseisintomidovesseropermanere.

SilaLCDserompeyelfluidodesuinteriorentraencontactoconsusojososusmanos, lave inmediatamente lasáreasafectadasconaguadurante15minutoscomomínimo.Obtengaatenciónmedicasisepresentaalgúnsíntomadelfluidodespuesdelavarse.

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Safety notice 6

DANGERToavoidshock,donotremovetheplasticcoverthatprotectsthelowerpartoftheinvertercard.Afind’éviter toutrisquedechocélectrique,neretirezpaslecacheenplastiqueprotégeantlapartieinférieuredelacarted’alimentation.AusSicherheitsgründendieKunststoffabdeckung,diedenunterenTeil derSpannungswandlerplatineumgibt,nichtentfernen.

Perevitarescosseelettriche,nonrimuoverelacoperturainplasticacheavvolgelaparteinferioredellaschedainvertitore.

Paraevitardescargas,noquitelacubiertadeplásticoquerodealapartebajadelatarjetainvertida.

Safety notice 7

DANGERThoughthemainbatterieshavelowvoltage,ashortedorgroundedbatterycanproduceenoughcurrenttoburnpersonnelorcombustiblematerials.Bienquelevoltagedesbatteriesprincipalessoitpeuélevé,lecourt-circuitoulamiseàlamassed’unebatteriepeutproduiresuffisammentdecourantpourbrûlerdesmatériauxcombustiblesoucauserdesbrûlurescorporellesgraves.ObwohlHauptbatterieneineniedrigeSpannunghaben,können siedochbeiKurzschlußoderErdunggenugStromabgeben,umbrennbareMaterialienzuentzündenoderVerletzungenbeiPersonenhervorzurufen.

Sebbene lebatteriedialimentazionesianoabassovoltaggio,unabatteria incortocircuitooamassapuòfornirecorrentesufficientedabruciarematerialicombustibilioprovocareustioniaitecnicidimanutenzione.

Aunquelasbateríasprincipalestienenunvoltajebajo,unabateríacortocircuitadaoconcontactoatierrapuedeproducir lacorrientesuficientecomoparaquemarmaterialcombustibleoprovocarquemadurasenelpersonal.

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Safety notice 8

DANGERBeforeremovinganyFRU,turnoff thecomputer,unplugallpowercordsfromelectricaloutlets,removethebatterypack,andthendisconnectanyinterconnectingcables.Avantderetireruneunitéremplaçableenclientèle,mettezlesystèmehorstension,débrancheztouslescordonsd’alimentationdessoclesdeprisedecourant,retirezlabatterieetdéconnecteztouslescordonsd’interface.DieStromzufuhrmußabgeschaltet,alleStromkabelausderSteckdosegezogen,derAkkuentferntundalleVerbindungskabelabgenommensein,bevoreineFRUentferntwird.

Primadi rimuoverequalsiasiFRU,spegnere il sistema,scollegaredallepreseelettrichetuttiicavidialimentazione,rimuoverelabatteriaepoiscollegareicavidiinterconnessione.

AntesdequitarunaFRU,apagueel sistema,desenchufe todos loscablesdelas tomasdecorrienteeléctrica,quite labateríay,acontinuación,desconectecualquiercabledeconexiónentredispositivos.

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Laser compliance statementSome models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. Elsewhere, the drive is certified to conform to the requirements of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products.

If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following:

CAUTIONUseofcontrolsoradjustmentsorperformanceofproceduresother than thosespecifiedhereinmightresultinhazardousradiationexposure.Ousodecontroles,ajustesoudesempenhodeprocedimentosdiferentesdaquelesaquiespecificadospoderesultaremperigosaexposiçãoàradiação.

Pouréviter tout risqued’expositionaurayon laser, respectez lesconsignesderéglageetd’utilisationdescommandes,ainsiquelesprocéduresdécrites.WerdenSteuer-undEinstellelementeandersalshierfestgesetztverwendet,kanngefährlicheLaserstrahlungauftreten.

L’utilizzodicontrolli,regolazioniol’esecuzionediprocedurediversedaquellespecificatepossonoprovocarel’esposizionea.

Elusodecontrolesoajustesolaejecucióndeprocedimientosdistintosdelosaquíespecificadospuedeprovocarlaexposiciónaradiacionespeligrosas.

Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. Do not open.

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About this manual

A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following:

DANGEREmitsvisibleandinvisiblelaserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical instruments,andavoiddirectexposure to thebeam.Radiação por raio laser ao abrir.Nãoolhe fixo no feixe de luz, não olhediretamentepormeiodeinstrumentosóticoseeviteexposiçãodiretacomofeixedeluz.

Rayonnement lasersicarterouvert.Évitezdefixer le faisceau,de le regarderdirectementavecdesinstrumentsoptiques,oudevousexposeraurayon.LaserstrahlungbeigeöffnetemGerät.NichtdirektoderüberoptischeInstrumenteindenLaserstrahlsehenunddenStrahlungsbereichmeiden.Kinyitáskor lézersugár !Ne nézzen bele se szabad szemmel, se optikaieszközökkel.Kerüljeasugárnyalábbalvalóérintkezést!Aprendo l’unitàvengonoemesse radiazioni laser.Non fissare il fascio,nonguardarlodirettamenteconstrumentiotticieevitarel’esposizionedirettaalfascio.

Radiaciónláseralabrir.Nomirefijamenteniexamineconinstrumentalópticoelhazdeluz.Evitelaexposicióndirectaalhaz.

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Lenovo Yoga 3 14 Hardware Maintenance Manual

Important service information

This chapter presents the following important service information: • “Strategy for replacing FRUs” on page 16

– “Strategy for replacing a hard disk drive” on page 17– “Important notice for replacing a system board” on page 17

• “Important information about replacing RoHS compliant FRUs” on page 18

Important:BIOSanddevicedriverfixesarecustomer-installable.TheBIOSanddevicedriversarepostedonthecustomersupportsite:http://support.lenovo.com.

Strategy for replacing FRUs

Before replacing parts:Make sure that all software fixes, drivers, and BIOS downloads are installed before replacing any FRUs listed in this manual.After a system board is replaced, ensure that the latest BIOS is loaded to the system board before completing the service action. To download software fixes, drivers, and BIOS, follow the steps below:1. Go to http://support.lenovo.com.2. Enter the serial number or select a product or use Lenovo smart

downloading.3. Select the BIOS/Driver/Applications and download.4. Follow the directions on the screen and install the necessary software.

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Important service information

Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to replace an FRU, but the replacement does not solve

the problem, reinstall the original FRU before you continue.• Some computers have both a processor board and a system board. If you

are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.

• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error. Before replacing the adapter or device, remove the FRUs one by one to see if the symptoms change. Replace only the FRU that changed the symptoms.

Attention: The setup configuration on the computer you are servicing may have been customized. Running Automatic Configuration may alter the settings. Note the current configuration settings (using the View Configuration option); then, when service has been completed, verify that those settings remain in effect.

Strategy for replacing a hard disk driveAlways try to run a low-level format before replacing a hard disk drive. This will cause all customer data on the hard disk to be lost. Make sure that the customer has a current backup of the data before performing this action.Attention: The drive startup sequence in the computer you are servicing may have been changed. Be extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect drive, data or programs can be overwritten.

Important notice for replacing a system board Some components mounted on a system board are very sensitive. Improper handling can cause damage to those components, and may cause a system malfunction.Attention: When handling a system board:• Do not drop the system board or apply any excessive force to it.• Avoid rough handling of any kind.• Avoid bending the system board and hard pushing to prevent cracking at

each BGA (Ball Grid Array) chipset.

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Lenovo Yoga 3 14 Hardware Maintenance Manual

Important information about replacing RoHS compliant FRUs

RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts. If the original FRU parts are non-compliant, replacement parts can also be non-compliant. In all cases if the original FRU parts are RoHS compliant, the replacement part must also be RoHS compliant.

Note: RoHS and non-RoHS FRU part numbers with the same fit and function are identified with unique FRU part numbers.

Lenovo plans to transit to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo’s requirements and schedule in the EU. Products sold in 2005 and 2006 will contain some RoHS compliant FRUs. The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs.

RoHS compliant FRUs have unique FRU part numbers. Before or after the RoHS implementation date, failed RoHS compliant parts must always be replaced with RoHS compliant ones, so only the FRUs identified as compliant in the system HMM or direct substitutions for those FRUs may be used.

Products marketed before June 2006 Products marketed after June 2006 Current or original part

Replacement FRU Current or original part

Replacement FRU

Non-RoHS Can be Non-RoHS

Must be RoHS Must be RoHSNon-RoHS Can be RoHS

Non-RoHS Can sub to RoHS

RoHS Must be RoHS

Note: A direct substitution is a part with a different FRU part number that is automatically shipped by the distribution center at the time of the order.

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General checkout

General checkout

This chapter presents the following information:• “What to do first” on page 20• “Power system checkout” on page 21

Before you go to the checkout, make sure to read the following important notes:

Important notes:• Onlycertifiedtrainedpersonnelcanservicethecomputer.• BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

• CarefullyremovescrewsforreusewhenreplacingFRUs.• Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drives in thecomputer thatyouare servicing sequencemighthavebeenaltered.Ifyouselectan incorrectdrive,dataorprogramsmightbeoverwritten.

• ReplaceanFRUonlywithanotherFRUof thecorrectmodel.WhenyoureplaceanFRU,makesurethatthemachinemodelandtheFRUpartnumberarecorrectbyreferringtotheFRUpartslist.

• AnFRUshouldnotbereplacedjustbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurforavarietyofreasons thathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge,orsoftwareerrors.ConsiderreplacinganFRUonlywhenaproblemrecurs.IfyoususpectthatanFRUisdefective,cleartheerrorlogsandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.

• BecarefulnottoreplaceanondefectiveFRU.

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What to do firstWhen you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it:1. Name and phone number of servicer2. Date of service3. Date on which the machine failed4. Date of purchase5. Procedure index and page number in which the failing FRU was detected 6. Failing FRU name and part number7. Machine type, model number, and serial number8. Customer’s name and address

Note for warranty: During the warranty period, the customer may be responsible for repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by the customer.The following is a list of some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use.Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following list:

The following are not covered under warranty: • LCD panel cracked from the application of excessive force or from being

dropped• Scratched (cosmetic) parts• Distortion, deformation, or discoloration of the cosmetic parts• Plastic parts, latches, pins, or connectors that have been cracked or broken

by excessive force• Damage caused by liquid spilled into the system• Damage caused by the improper insertion of a PC Card or the installation of

an incompatible card• Improper disk insertion or use of an optical drive • Diskette drive damage caused by pressure on the diskette drive cover,

foreign material in the drive, or the insertion of a diskette with multiple labels • Damaged or bent diskette eject button• Fuses blown by attachment of a nonsupported device• Forgotten computer password (making the computer unusable)• Sticky keys caused by spilling a liquid onto the keyboard• Use of an incorrect AC adapter on laptop products

The following symptoms might indicate damage caused by nonwarranted activities: • Missing parts might be a symptom of unauthorized service or modification. • If the spindle of a hard disk drive becomes noisy, it may have been subjected

to excessive force, or dropped.

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General checkout

Power system checkout

To verify a symptom, follow the steps below:1. Turn off the computer.2. Connect the AC adapter.3. Make sure that power is supplied when you turn on the computer.4. Turn off the computer.5. Disconnect the AC adapter.6. Make sure that the battery pack supplies power when you turn on the

computer.

If you suspect a power problem, see the appropriate power supply checkout:• “Checking the AC adapter” on page 21• “Checking operational charging” on page 21

Checking the AC adapter You are here because the computer fails only when the AC adapter is used. • If the power-on indicator does not turn on, check the power cord of the AC

adapter for correct continuity and installation.• If the computer does not charge during operation, go to “Checking

operational charging”.To check the AC adapter, follow the steps below:1. Unplug the AC adapter cable from the computer.2. Measure the output voltage at the plug of the AC adapter cable. See the

following figure:

Note: Output voltage for the AC adapter pin No. 2 may differ from the one you are servicing.3. If the voltage is not correct, replace the AC adapter.4. If the voltage is acceptable, do the following: • Replace the system board.• If the problem persists, go to “Lenovo Yoga 3 14” on page 27.Note: Noise from the AC adapter does not always indicate a defect.

Checking operational chargingTo check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

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Perform operational charging. If the battery status indicator or icon is not lit, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack.

If the charge indicator is still not lit, replace the system board.

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Related service information

Related service information

This chapter presents the following information:• “ Restoring the factory contents by using OneKey Recovery” on page 23• “Passwords” on page 24• “Power management” on page 25

Restoring the factory contents by using OneKey Recovery

Restore of factory defaultThe Lenovo Yoga 3 14 computer comes with pre-installed OneKey Recovery System.In order to save application files and the initial backed up files of the system, the hard disk in a Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter Lenovo OneKey Recovery System and run System Recovery. For details of OneKey Recovery System, see the User Guide for Lenovo OneKey Recovery system.

Note:Thiswilldeleteallthenewdataonthesystempartition(Cdrive),whichisnotrecoverable.Makesuretobackupyourcriticaldatabeforeyouperformthisaction.

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Passwords

As many as three passwords may be needed for any Lenovo computer: the power-on password (POP), the hard disk password (HDP), and the supervisor password.If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on. The computer does not start until the password is entered.

Power-on passwordA power-on password (POP) protects the system from being powered on by an unauthorized person. The password must be entered before an operating system can be booted.

Hard-disk passwordThere are two hard-disk passwords (HDPs):+ User HDP - for the user+ Master HDP - for the system administrator, who can use it to get access to the hard disk drive even if the user has changed the user HDPAttention: If the user HDP has been forgotten, check whether a master HDP has been set. If it has, it can be used for access to the hard disk drive. If no master HDP is available, neither Lenovo nor Lenov authorized service technicians provide any services to reset either the user or the master HDP, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.

Supervisor passwordA supervisor password protects the system information stored in the BIOS. The user must enter the supervisor password to get access to the BIOS and change the system configuration.

Attention: If you forget the password, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee.

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Related service information

Power management

Note: Power management modes are not supported for an APM operating system.

To reduce power consumption, the computer has two power management modes: screen blank and sleep (standby).

Screen blank stateIf the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing .

To end screen blank state and resume normal operation, press .

Putting the computer to sleep or shutting it downWhen you have finished working with your computer, you can put it to sleep or shut it down.

Putting your computer to sleepIf you will be away from your computer for only a short time, put the computer to sleep.When the computer is in sleep mode, you can quickly wake it to resume use, bypassing the startup process.To put the computer to sleep, do one of the following:• Close the display lid.• Press the power button.• Open the charms bar and then select Settings → Power → Sleep.

Note: Put your computer to sleep before you move it. Moving your computer while the hard disk drive is spinning can damage the hard disk, causing loss of data.

To wake the computer, do one of the following:• Press any key on the keyboard. (Notebook mode only)• Press the power button.• Press the Windows button.

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Shutting down the computerIf you are not going to use your computer for a long time, shut it down. To shut down your computer, do one of the following:• Open the charms bar and then select Settings → Power → Shut

down.

• Right-click the Start button in the lower-left corner and select Shut down or sign out → Shut down.

• On the Start screen, click and select Shut down.

Note: This operation depends on your BIOS settings. Please refer to the actual product.

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Lenovo Yoga 3 14

Lenovo Yoga 3 14

This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page 27• “Status indicators” on page 29• “Fn key combinations” on page 30• “FRU replacement notices” on page 31• “Removing and replacing an FRU” on page 32• “Locations” on page 58• “Parts list” on page 60

SpecificationsThe following table lists the specifications of the Lenovo Yoga 3 14:Table 1. Specifications

Feature DescriptionProcessor See the system properties of your computer, you can do this as

follows: Click Control Panel, then click Hardware and Sound, click Device Manager under Devices and Printers and double click Processors.

Bus architecture • 1600MHz DDR3 SDRAM(PC3-12800S) • PCI Express bus • DMI

Graphic Chipset • UMA SKU Intel Broadwell U• DIS SKU Intel Broadwell U and NVIDIA N16S-GT

Display • 14.0-inch

Standard memory • DDR3L-1600MHz (max 8 GB)

CMOS • 256 bytesSSHD • 500GB+8GB SSD • 128G/256GOptical drive • NAI/O port • Combo audio jack × 1

• Micro HDMI × 1 • USB 3.0 port × 2 • USB 2.0 port × 1 (DC-In combo) • 4 in 1 slot × 1 (SD/SDHC/SDXC/MMC)

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Table 1. Specifications (continued)

Feature DescriptionAudio • 1/8" Stereo Headphone Output & Microphone input combo

jack• Integrated Speakers Stereo × 2• Built-in microphone × 2

PCI Express Mini Card slot • 1 slot

Bluetooth wireless • Combined in combo card

Keyboard • 6-Row, Lenovo KeyboardTouch pad • Multi-touch typeIntegrated camera • 1.0 Mega or 720P HD

Battery • 4 cells, 45WhAC adapter • 20 V, 40 W/65 WPre-installed operating system

• Windows 8.1

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Status indicatorsThe system status indicators below show the computer status:

a b

Table 2. Status indicators

Indicator Indicator status Meaning

Battery status indicator

On (solid white) The battery has more than 20% charge.

Solid amber The battery has between 5% and 20% charge.

Fast blinking amber The battery has less than 5% charge.

Slow blinking amber

The battery is being charged. When battery charge reaches 20%, the blinking color changes to white.

Slow blinking white

The battery has between 20% and 80% charge and is still charging. When the battery reaches 80% charge the light will stop blinking, but charging will continue until the battery is fully charged.

Power status indicator

On (solid white) The computer is powered on.Blinking The computer is in sleep mode.Off The computer is powered off.

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Fn key combinationsThe following table describes the functions of Fn key combinations.

Table 3. Function key combinations

: Mutes/unmutes the sound.

: Decreases the volume level.

: Increases the volume level.

: Closes the currently active window.

: Refreshes the desktop or the currently active window.

: Enables/disables the touch pad.

: Enables/disables Airplane mode.

: Displays all currently active apps.

: Turns on/off the backlight of the LCD screen.

: Toggles the display between the computer and an external device.

: Decreases display brightness.

: Increases display brightness.

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Lenovo Yoga 3 14

FRU replacement notices

This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU.

Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics:• They maintain tight connections.• They do not easily come loose, even with shock or vibration.• They are harder to tighten.

Do the following when you service this machine: • Keep the screw kit in your tool bag.• Carefully remove screws for reuse when replacing FRUs.• Use a torque screwdriver if you have one.

Tighten screws as follows:• Plastic to plastic Turn an additional 90° after the screw head touches the surface of the

plastic part:more than 90°

(Cross-section)

• Logic card to plastic Turn an additional 180° after the screw head touches the surface of the

logic card: more than 180°

(Cross-section)

• Torque driver If you have a torque screwdriver , refer to the “Torque” column for each step.• Make sure that you use the correct screws. If you have a torque screwdriver,

tighten all screws firmly to the torque shown in the table. Carefully remove screws for reuse when replacing FRUs. Make sure that all screws are tightened firmly.

• Ensure torque screwdrivers are calibrated correctly following country specifications.

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Removing and replacing an FRUThis section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules:1. Do not attempt to service any computer unless you have been trained and

certified. An untrained person runs the risk of damaging parts.2. Before replacing any FRU, review “FRU replacement notices” on page 31.3. Begin by removing any FRUs that have to be removed before the failing

FRU. Any of such FRUs are listed at the top of the page. Remove them in the order in which they are listed.

4. Follow the correct sequence in the steps to remove the FRU, as given in the figures by the numbers in square callouts.

5. When turning a screw to replace an FRU, turn it in the direction as given by the arrow in the figure.

6. When removing the FRU, move it in the direction as given by the arrow in the figure.

7. To put the new FRU in place, reverse the removal procedures and follow any of the notes that pertain to replacement. For information about connecting and arranging internal cables, see “Locations” on page 58.

8. When replacing an FRU, use the correct screw as shown in the procedures.

DANGERBeforeremovinganyFRU,turnoff thecomputer,unplugallpowercordsfromelectrical outlets, remove thebatterypack, and thendisconnect anyof theinterconnectingcables.

Attention: After replacing an FRU, do not turn on the computer until you have made sure that all screws, springs, and other small parts are in place and none are loose inside the computer. Verify this by shaking the computer gently and listening for rattling sounds. Metallic parts or metal flakes can cause electrical short circuits.

Attention: The system board is sensitive to, and can be damaged by, electrostatic discharge. Before touching it, establish personal grounding by touching a ground point with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons.

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Lenovo Yoga 3 14

1010 Base cover

Figure 1. Removal steps of base cover

Remove the screws 1. Then remove the base cover 2.

a

a

a

b

a

a

a

a

a

a

a

a

Step Screw (quantity) Color Torque P/N

1 M2 × 6 mm, flat-head, nylok-coated (11) Lower to Upper

Silver 1.8+/-0.15 kgf.cm 5S10H41038

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Note: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following labels:

The following labels need to be peeled off from the old base cover and put on the new base cover. a China Rating label or WW Rating labelb Rating label printc BRAZIL BTd WLAN label for Brazil or Israel label or WLAN label for Malaysia or

BT label for Malaysia or BT label for US/CA/TW/Indonesia or WLAN label for US/CA/TW/Indonesia

e Indonesia D side label f KCC labelg BIS label

For some models, you also need to apply one or two FCC labels. Check the old base cover; if it has one or two FCC labels, find duplicates of them in the label kit and apply them to the new base cover.

For the location of each label, refer to the following figure:

a b

c d

e

f

g

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1020 Battery pack

For access, remove this FRU:• “1010 Base cover” on page 33

DANGEROnlyusethebatteryspecifiedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.

Figure 2. Removal steps of battery pack

Unplug the battery connector 1 and remove the screws 2. Then remove the battery pack in the direction shown by arrow 3.

b

bb

b

b

b

a

c

Step Screw (quantity) Color Torque P/N

2 M2 × 3.5 mm, flat-head, nylok-coated (4) Bty to Upper

Black 1.8+/-0.15 kgf.cm 5S10H41042

When installing: Make sure that the battery connector is attached firmly.

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1030 Hard disk drive

For access, remove these FRUs in order: • “1010 Base cover” on page 33• “1020 Battery pack” on page 35

Attention:• Donotdroptheharddiskdriveorapplyanyphysicalshocktoit.Thehard

diskdriveissensitivetophysicalshock.Improperhandlingcancausedamagesandpermanentlossofdata.

• Beforeremovingthedrive,suggestthecustomertobackupalltheinformationonitifpossible.

• Neverremovethedrivewhilethesystemisoperatingorisinsuspendmode.

Figure 3. Removal steps of hard disk drive

Detach the HDD connector in the direction shown by arrows 1 and 2.

ab

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Lenovo Yoga 3 14

Figure 3. Removal steps of hard disk drive (continued)Remove the frame fixing screws C. Remove the hard disk drive in the direction shown by arrow D.

c

c

c

c

d

Step Screw (quantity) Color Torque P/N

2 M2 × 3.5 mm, flat-head, nylok-coated (4) HDD to Upper

Black 1.8+/-0.15 kgf.cm 5S10H41042

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Figure 3. Removal steps of hard disk drive (continued)Remove four screws 5 and detach the metal frame from the hard disk drive.

e

e

e

e

Step Screw (quantity) Color Torque P/N

4 M3.0 × 3.0 mm, flat-head, nylokcoated (4) HDD to HDD BRKT

Silver 1.8+/-0.15 kgf.cm 5S10H41043

When installing: Make sure that the HDD connector is attached firmly.

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1040 PCI Express Mini Card for wireless LAN

For access, remove these FRUs in order:• “1010 Base cover” on page 33• “1020 Battery pack” on page 35

Important: ThepreinstalledWLANmodulemayonlybereplacedwithaLenovoapprovedmoduleinordertocomplywithFCCandICregulations.RefertoTable4“Partslist—Overall”onpage64forLenovopartnumbersfortheapprovedmodules.

Figure 4. Removal steps of PCI Express Mini Card for wireless LAN

Disconnect the two wireless LAN cables (black, white) 1, and then remove the screw 2.

b

aa

Step Screw (quantity) Color Torque P/N

2 M2 × 2.5 mm, flat-head, nylok-coated (1) WLAN to Upper

Black 1.8+/-0.15 kgf.cm 5S10H41039

Remove the card in the direction shown by arrow 3.

c

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Figure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued)In step 1, unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159), or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows.

Notes: The wireless LAN card has 2 cables in step 1. The wireless LAN card in some models might have 3 cables in step 1.

When installing:• In models with a wireless LAN card that has two antenna connectors, plug

the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.

• In models with a wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the card.

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1050 DIMM

For access, remove these FRUs in order:• “1010 Battery pack” on page 35• “1020 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot

compartment cover” on page 36

Figure 5. Removal steps of DIMM

Release the two latches on both edges of the socket at the same time in thedirection shown by arrows 1, and then unplug the DIMM in the directionshown by arrow 2.

aa

b

When installing: Insert the notched end of the DIMM into the socket. Push the DIMM firmly, and pivot it until it snaps into the place. Make sure that it is firmly fixed in the slot and difficult to be moved.

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1060 Fan assembly and heat sink assembly

For access, remove these FRUs in order:• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN and SSD card” on page 39

Figure 6. Removal steps of fan assembly and heat sink assembly

Unplug the fan connector in the direction shown by arrow 1. Remove the screws 2 and loosen the screws 3. Lift the fan assembly and heat sink assembly in the direction shown by arrow 4. Be careful not to damage the connector.

cccbb

d

a

Step Screw (quantity) Color Torque P/N

2 M2 × 3.5 mm, flat-head, nylok-coated (2) Thermal module to FAN

Black 1.8+/-0.15 kgf.cm 5S10H41042

When installing: Make sure that the connectors are attached firmly.

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Lenovo Yoga 3 14

Figure 6. Removal steps of fan assembly and heat sink assembly (continued)

Remove the screws 1. Lift the dummy fan assembly in the direction shown by arrow 2.

a a

b

Step Screw (quantity) Color Torque P/N

2 M2 × 3.5 mm, flat-head, nylok-coated (2) Thermal module to FAN

Black 1.8+/-0.15 kgf.cm 5S10H41042

Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components.

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1070 LCD unit

For access, remove these FRUs in order:• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42

Figure 7. Removal steps of LCD unit

Remove the screws 1.

aaa

aaa

Step Screw (quantity) Color Torque P/N

1 M2 × 4.5 mm, flat-head, nylok-coated (6) Hinge to Upper

Black 1.8+/-0.15 kgf.cm 5S10H41046

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Figure 7. Removal steps of LCD unit (continued)

Open the hinges 2, then remove the upper case from the LCD unit in the direction shown by arrow 3.

b

b

c

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Lenovo Yoga 3 14 Hardware Maintenance Manual

1080 System board

Important notices for handling the system board:Whenhandlingthesystemboard,bearthefollowinginmind.• Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,

suchasmetal,wood,orcomposite.• Avoidroughhandlingofanykind.• Duringthewholeprocess,makesurenottodroporstackthesystemboard.• Ifyouputasystemboarddown,makesuretoput itonlyonapaddedsurface,

suchasanESDmatorconductivecorrugatedmaterial.

For access, remove these FRUs in order:• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42• “1070 LCD unit” on page 44

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Figure 8. Removal steps of system board

Remove screw 1. Detach keyboard connector, touch pad connector and IO board connector in the directions shown by arrows 2 and 3. Disconnect camera connector in the direction shown by arrow 4. Unplug DC-IN connector in the direction shown by arrow 5.

a

e

d

bc

When installing: Make sure that all the connectors are attached firmly

Step Screw (quantity) Color Torque P/N

1 M2 × 3.5 mm, flat-head, nylok-coated (1) MB to Upper

Black 1.8+/-0.15 kgf.cm 5S10H41042

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Figure 8. Removal steps of system board (continued)

Remove the system board in the direction shown by arrow 6.

f

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1090 Speakers

For access, remove these FRUs in order:• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42• “1070 LCD unit” on page 44• “1080 System board” on page 46

Figure 9. Removal steps of speakers

Unplug connector 1. Lift the speakers in the direction shown by arrows 2.

b

b

a

When installing: Make sure that the connectors are attached firmly.

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1100 Power assembly and IO board

For access, remove these FRUs in order:• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42• “1070 LCD unit” on page 44• “1080 System board” on page 46

Figure 10. Removal steps of power assembly and IO board

Remove the power assembly in the direction shown by arrow 1.

a

Remove the IO board in the direction shown by arrow 1.

a

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1110 LCD front cover

For access, remove these FRUs in order: • “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42• “1070 LCD unit” on page 44• “1080 System board” on page 46• “1090 Speakers” on page 49

Figure 11. Removal steps of LCD front cover

Remove LCD bezel screw pad 1 and the screws 2.

b

b

a

a

Step Screw (quantity) Color Torque P/N

2 M2 × 4 mm, flat-head, nylok-coated (2) LCD Hinge Cap to LCD cover

Silver 1.8+/-0.15 kgf.cm 5S10H41040

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Figure 11. Removal steps of LCD front cover (continued)

Remove the hinge cover and strip cover in the direction shown by arrows 3.

c

c

c

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1120 Mic board, LCD cover, and hinges

For access, remove these FRUs in order: • “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42• “1070 LCD unit” on page 44• “1080 System board” on page 46• “1090 Speakers” on page 49• “1100 Power assembly and IO board” on page 50

Figure 12. Removal steps of Mic board, LCD cover, and hinges

Unplug the Mic board connector in the direction shown by arrow 1. Remove the Mic board in the direction shown by arrow 2.

b

a

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Figure 12. Removal steps of Mic board, LCD cover, and hinges (continued)

Adjust the hinges in the direction shown by arrows 3. Then remove the hinge rubbers D and pull out the cables.

c

c

d

Remove screw 1. Remove the LCD module in the direction shown by arrow 2.

b

a

Step Screw (quantity) Color Torque P/N

1 M2 × 4 mm, flat-head, nylok-coated (1) LCD bezel to LCD cover

Silver 1.8+/-0.15 kgf.cm 5S10H41040

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Figure 12. Removal steps of Mic board, LCD cover, and hinges (continued)

Remove the screws E, then remove the hinges in the directions shown by arrows F.

e

e

e

e

ee

f

f

Step Screw (quantity) Color Torque P/N

1 M2.5 × 2.5 mm, flat-head, nylok-coated (6) Hinge BKT to LCD cover

5S10H41041S lver 3.0+/-0.3 kgf.cmi

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1130 LCD module

For access, remove these FRUs in order: • “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 Hard disk drive” on page 36• “1040 PCI Express Mini Card for wireless LAN” on page 39• “1050 DIMM” on page 41• “1060 Fan assembly and heat sink assembly” on page 42• “1070 LCD unit” on page 44• “1080 System board” on page 46• “1090 Speakers” on page 49• “1100 Power assembly and IO board” on page 50• “1110 LCD front cover” on page 51

Figure 13 . Removal steps of LCD module

Detach the connector in the direction shown by arrow 1. Then remove the LCD cable.

a

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Figure 13. Removal steps of LCD module (continued)

Lift the camera slightly 1. Unplug the integrated camera connector in the direction shown by arrow 2. Remove the integrated camera from the LCD module.

a

b

Disconnect the connector in the direction shown by arrow 1, then remove the sensor board in the direction shown by arrow 2.

b

a

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Locations

Front view and right-side view1 Integrated camera (on select models)2 Multi-touch screen3 Windows button4 Built-in microphones5 Wireless LAN antennas6 Touch pad7 Battery status indicator8 Power button and power status indicatorNote: For the description of each indicator, see “Status indicators” on page 29.9 Novo buttonJ Rotation lock buttonK Volume down buttonL Volume up buttonM Micro HDMI portN USB 3.0 port

c

a

b

d

d

e

f

gh

ij

klm

n

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Bottom and Left-side view 1 Speakers2 Ventilation slots3 Memory card slot4 Combo audio jackE USB 3.0 port6 AC power adapter jack

a

a

b

c

def

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Parts listThis section presents the following service parts:• “Overall” on page 60• “LCD FRUs” on page 64• “Keyboard” on page 66• “Miscellaneous parts” on page 68• “Screw” on page 68• “AC adapters” on page 69• “Power cords” on page 70

Notes:• EachFRUisavailableforalltypesormodels,unlessspecifictypesormodels

arespecified.

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Overall

1

10

7

14

12

3

a

4

13

11

8

9

2

5

6

b

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Table 4. Parts list—Overall

No. FRU FRU no. CRU ID.

a-d See “Miscellaneous parts” on page 68.1 LCD unit (see “LCD FRUs” on page 64.) N2 Keyboard (see “Keyboard” on page 66.) N3 Upper Case L Yoga 3 14 B W/KB HG 5CB0H35638 N3 Upper Case L Yoga 3 14 B W/KB USA 5CB0H35644 N3 Upper Case L Yoga 3 14 B W/KB LA 5CB0H35668 N3 Upper Case L Yoga 3 14 B W/KB ND 5CB0H35663 N3 Upper Case L Yoga 3 14 B W/KB BU 5CB0H35660 N3 Upper Case L Yoga 3 14 B W/KB BZ 5CB0H35657 N3 Upper Case L Yoga 3 14 B W/KB AR-E 5CB0H35667 N3 Upper Case L Yoga 3 14 B W/KB SP 5CB0H35662 N3 Upper Case L Yoga 3 14 B W/KB GK 5CB0H35659 N3 Upper Case L Yoga 3 14 B W/KB UK 5CB0H35656 N3 Upper Case L Yoga 3 14 B W/KB EF 5CB0H35654 N3 Upper Case L Yoga 3 14 B W/KB IN 5CB0H35653 N3 Upper Case L Yoga 3 14 B W/KB TC 5CB0H35652 N3 Upper Case L Yoga 3 14 B W/KB BE 5CB0H35596 N3 Upper Case L Yoga 3 14 B W/KB KO 5CB0H35594 N3 Upper Case L Yoga 3 14 B W/KB FR 5CB0H35592 N3 Upper Case L Yoga 3 14 B W/KB JA 5CB0H35590 N3 Upper Case L Yoga 3 14 B W/KB RU 5CB0H35593 N3 Upper Case L Yoga 3 14 B W/KB TR 5CB0H35591 N3 Upper Case L Yoga 3 14 B W/KB IT 5CB0H35604 N3 Upper Case L Yoga 3 14 B W/KB USI 5CB0H35607 N3 Upper Case L Yoga 3 14 B W/KB ICE 5CB0H35612 N3 Upper Case L Yoga 3 14 B W/KB SA 5CB0H35611 N3 Upper Case L Yoga 3 14 B W/KB DU 5CB0H35609 N3 Upper Case L Yoga 3 14 B W/KB GR 5CB0H35608 N3 Upper Case L Yoga 3 14 B W/KB CZ 5CB0H35606 N3 Upper Case L Yoga 3 14 B W/KB SW 5CB0H35605 N3 Upper Case L Yoga 3 14 B W/KB TI 5CB0H35603 N3 Upper Case L Yoga 3 14 B W/KB HE 5CB0H35627 N3 Upper Case L Yoga 3 14 B W/KB PO 5CB0H35622 N3 Upper Case L Yoga 3 14 B W/KB US 5CB0H35619 N3 Upper Case L Yoga 3 14 W W/KB HG 5CB0H35616 N3 Upper Case L Yoga 3 14 W W/KB USA 5CB0H35628 N3 Upper Case L Yoga 3 14 W W/KB LA 5CB0H35623 N3 Upper Case L Yoga 3 14 W W/KB ND 5CB0H35620 N3 Upper Case L Yoga 3 14 W W/KB BU 5CB0H35617 N3 Upper Case L Yoga 3 14 W W/KB BZ 5CB0H35618 N3 Upper Case L Yoga 3 14 W W/KB AR-E 5CB0H35629 N3 Upper Case L Yoga 3 14 W W/KB SP 5CB0H35624 N3 Upper Case L Yoga 3 14 W W/KB GK 5CB0H35621 N3 Upper Case L Yoga 3 14 W W/KB UK 5CB0H35634 N3 Upper Case L Yoga 3 14 W W/KB EF 5CB0H35632 N3 Upper Case L Yoga 3 14 W W/KB IN 5CB0H35630 N3 Upper Case L Yoga 3 14 W W/KB TC 5CB0H35625 N3 Upper Case L Yoga 3 14 W W/KB BE 5CB0H35631 N

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Table 4. Parts list—Overall (continued)

No. FRU FRU no. CRU ID.

3 Upper Case L Yoga 3 14 W W/KB KO 5CB0H35626 N3 Upper Case L Yoga 3 14 W W/KB FR 5CB0H35642 N3 Upper Case L Yoga 3 14 W W/KB JA 5CB0H35651 N3 Upper Case L Yoga 3 14 W W/KB RU 5CB0H35650 N3 Upper Case L Yoga 3 14 W W/KB TR 5CB0H35648 N3 Upper Case L Yoga 3 14 W W/KB IT 5CB0H35646 N3 Upper Case L Yoga 3 14 W W/KB USI 5CB0H35664 N3 Upper Case L Yoga 3 14 W W/KB ICE 5CB0H35672 N3 Upper Case L Yoga 3 14 W W/KB SA 5CB0H35670 N3 Upper Case L Yoga 3 14 W W/KB DU 5CB0H35665 N3 Upper Case L Yoga 3 14 W W/KB GR 5CB0H35666 N3 Upper Case L Yoga 3 14 W W/KB CZ 5CB0H35661 N3 Upper Case L Yoga 3 14 W W/KB SW 5CB0H35658 N3 Upper Case L Yoga 3 14 W W/KB TI 5CB0H35655 N3 Upper Case L Yoga 3 14 W W/KB HE 5CB0H35673 N3 Upper Case L Yoga 3 14 W W/KB PO 5CB0H35671 N3 Upper Case L Yoga 3 14 W W/KB US 5CB0H35600 N4 Battery, Polymer cell battery 2S2P 4cell 7.4V

45Wh, Haydn SP/A L14M4P72 7.4V45Wh4cell bty 5B10G75095 N

4 Battery, Polymer cell battery 2S2P 4cell 7.4V 45Wh, Haydn SY L14S4P72 7.5V45Wh4cell bty

5B10G84689 N

5 MB L YOGA 3 14 NOK I3-4030U UMA 5B20H42130 N5 MB L YOGA 3 14 W8S I3-4030U UMA 5B20H42129 N5 MB L YOGA 3 14 W8P I3-4030U UMA 5B20H42131 N5 MB L YOGA 314 NOK I3-4030U 2G D 5B20H42133 N5 MB L YOGA 314 W8S I3-4030U 2G D 5B20H42132 N5 MB L YOGA 314 W8P I3-4030U 2G D 5B20H42134 N6 SSHD, 5mm 500G+8GB, ST500LX012 5mm

5400rpm 500G+ 8GB SSHD 16200661 N

6 SSD, 2.5" 5mm 128G, Samsung MZYTE128HMGR 2.5'' 5mm SSD

5SD0G58919 N

6 SSD, 2.5" 5mm 128G, Liteon LDS-128L9S 128GB 2.5''

5SD0G54240 N

6 SSD, 2.5" 5mm 128G, Ramaxel RTNMB128VBM4EWXL 2.5'' 128GB 5mm SSD

5SD0G84636 N

6 SSD, 2.5" 5mm 256G, Samsung MZYTE256HMHP 2.5'' 5mm SSD

5SD0G58918 N

6 SSD, 2.5" 5mm 256G, Liteon LDS-256L9S 256GB 2.5''

5SD0G54239 N

6 SSD, 2.5" 5mm 256G, Ramaxel RTNMB256VBM8EWXL 2.5'' 256GB 5mm SSD

5SD0G84635 N

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Table 4. Parts list—Overall (continued)

No. FRU FRU no. CRU ID.

7 Memory, 4GB DDR3L 1600, M471B5173DB0-YK0 11202081 N7 Memory, 4GB DDR3L 1600, HMT451S6BFR8A-

PB/RD 4GB DDR3L 1600 11202706 N

7 Memory, 4GB DDR3L 1600, MT8KTF51264HZ-1G6E1 4GB DDR3L 1600

11202125 N

7 Memory, 4GB DDR3L 1600, RMT3170MN68F9F-1600 4GB DDR3L 1600

5M30G75129 N

7 Memory, 8GB DDR3L 1600, M471B1G73DB0-YK0 11202082 N7 Memory, 8GB DDR3L 1600, HMT41GS6BFR8A-

PB/RD 8GB DDR3L 1600 11202707 N

7 Memory, 8GB DDR3L 1600, MT16KTF1G64HZ-1G6E1 8GB DDR3L 1600

11201304 N

7 Memory, 8GB DDR3L 1600, RMT3160ME68FAF-1600 8GB DDR3L 1600

11202450 N

8 WLAN, Intel WIFI 1x1 AC + BT4.0, Intel 3160 1x1AC+BT PCIE M.2 ROM WLAN

SW10A11511 N

8 WLAN, Non-Intel WIFI 1x1 AC + BT4.0, Cbt BCM43162 1x1AC+BT4.0 PCIE M.2 WLAN

20200573 N

8 WLAN, Non-Intel WIFI 1x1 AC + BT4.0, Cbt BCM43162 1x1AC+BT4.0 PCIE M.2 WLAN V2

SW10A11586 N

8 WLAN, Non-Intel WIFI 1x1 AC + BT4.0, Ltn NFA345 1x1AC+BT4.0 PCIE M.2 WLAN V2

SW10A11628 N

8 WLAN, Non-Intel WIFI 2x2 AC + BT4.0, Cbt BCM4352 2x2AC+BT4.0 PCIE M.2 WLAN

20200480 N

8 WLAN, Non-Intel WIFI 2x2 AC + BT4.0, Ltn NFA344 2x2AC+BT4.0 PCIE M.2 WLAN V2

SW10A11630 N

8 WLAN, Non-Intel WIFI 1X1 BGN+BT4.0 Non-Intel, Ltn HFA335 1x1BN+BT4.0 PCIE M.2 WLAN

20200558 N

9 Thermal Module L Yoga 3 14 DIS 5H40H35615 N9 Thermal Module L Yoga 3 14 UMA 5H40H35610 N10 Dummy Fan L Yoga 3 14 5T10H35641 N11 Speaker L Yoga 3 14 L+R 5SB0H35643 N12 IO Board L Yoga 3 14 W/C 5C50H35680 N13 DC-IN Cable L Yoga 3 14 5C10H35647 N14 Lower Case L Yoga 3 14 Black 5CB0H35598 N14 Lower Case L Yoga 3 14 White 5CB0H35636 N14 Lower Case L Yoga 3 14 Silver 5CB0H35633 N14 Lower Case L Yoga 3 14 Orange 5CB0H35613 N14 ZIVY0 Lower Case Organge 90205122 N

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LCD FRUsIn Lenovo Yoga 3 14, the type of LCD is 13.3-inch high definition (HD).

10

9

5

7

11

12

5

7

1

2

10

8

6

3

4

3

4

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Table 5. Parts list—13.3-inch LCD FRUs

No. FRU FRU no. CRU ID.

1 LCD Module L Yoga 3 14 W/Bezel 5D10H35588 N2 MIC Board L Yoga 3 14 5C50H35683 N3 Hinge Rubber L Yoga 3 14 5T10H35595 N4 LCD Bezel Scerw Pad L Yoga 3 14 5T10H41045 N5 Bezel Cover L Yoga 3 14 L+R+S 5T10H35639 N6 LCD 14.0“ FHD LGD LP140WF3-SPL2 FHD AG

S NB 5D10G69059 N

6 LCD 14.0“ FHD INX N140HCE-EBA FHD AG S NB 5D10G74846 N6 Touch Screen panel, Touch Only, SLC

140000AKM OGS EL YOGA314 TSP 5T50H00216 N

6 Touch Screen panel, Touch Only, WTK DFL140V5a OGS EL YOGA314 TSP

5T50H00214 N

6 Touch Panel module, 14.0" Glossy type White LED panel&touch WTK LGD 140FHD DFL140V5a El OGS

5DM0G74716N

6 Touch Panel module, 14.0" Glossy type White LED panel&touch SLC LGD 140FHD 140000AKF El OGS

5DM0G74715N

6 Touch Panel module, 14.0" Glossy type White LED panel&touch SLC INX 140FHD 140000BKF El OGS

5DM0G74717N

7 Antenna L Yoga 3 14 5C10H35589 N8 Sensor Board L Yoga 3 14 5C50H35601 N9 Camera L Yoga 3 14 5C20H35686 N9 Camera, HD 720P camera BIS BN9R1DVS9 HD

NB camera 5C20G81145 N

9 Camera, HD 720P camera LTN 4BF108N2 HD NB camera

5C20G89269 N

10 Hinge L Yoga 3 14 L+R 5H50H35677 N11 EDP Cable L Yoga 3 14 5C10H35682 N12 LCD Cover L Yoga 3 14 White 5CB0H35676 N12 LCD Cover L Yoga 3 14 Silver 5CB0H35681 N12 LCD Cover L Yoga 3 14 Orange 5CB0H35679 N12 LCD Cover L Yoga 3 14 Black 5CB0H35678 N

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KeyboardTable 6. Parts list—Keyboard

Language P/N CRU ID.

Chicony KB (Backlight)

English SN20G60046 NEnglish B SN20G60058 NU.K. English SN20G60040 NItalian SN20G60089 NSpanish SN20G60071 NTurkish SN20G60054 NThai SN20G60057 NPortuguese SN20G60041 NLatin SN20G60088 NCanadian Bilingual (En+Fr) SN20G60072 NKorean SN20G60056 NTraditional Chinese SN20G60038 NRussian SN20G60086 NFrench SN20G60085 NGerman SN20G60082 NArabic SN20G60067 NBrazilian SN20G60050 NJapanese SN20G60034 NDutch SN20G60081 NGreek SN20G60066 NHebrew SN20G60048 NHungarian SN20G60032 NNordic SN20G60078 NBelgian SN20G60063 NIcelandic SN20G60045 NSlovenian SN20G60053 NSwiss SN20G60037 NUS international SN20G60084 NCzech&Slovak SN20G60069 NBulgarian SN20G60052 NIndia SN20G60036 N

Darfon KB (Backlight)

English SN20G60083 NEnglish B SN20G60068 NU.K. English SN20G60051 NItalian SN20G60035 NSpanish SN20G60080 NTurkish SN20G60064 NThai SN20G60061 NPortuguese SN20G60047 NLatin SN20G60092 NCanadian Bilingual (En+Fr) SN20G60076 NKorean SN20G60059 NTraditional Chinese SN20G60042 NRussian SN20G60090 NFrench SN20G60073 NGerman SN20G60055 NArabic SN20G60039 N

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Language P/N CRU ID.

Darfon KB (Backlight)(continued)

Brazilian SN20G60087 NJapanese SN20G60070 NDutch SN20G60033 NGreek SN20G60077 NHebrew SN20G60062 NHungarian SN20G60044 NNordic SN20G60091 NBelgian SN20G60074 NIcelandic SN20G60079 NSlovenian SN20G60065 NSwiss SN20G60049 NUS international SN20G60093 NCzech&Slovak SN20G60075 NBulgarian SN20G60060 NIndia SN20G60043 N

Sunrex KB(Backlight)

English SN20G91264 NEnglish B SN20G91247 NU.K. English SN20G91267 NItalian SN20G91251 NSpanish SN20G91269 NTurkish SN20G91254 NThai SN20G91243 NPortuguese SN20G91259 NLatin SN20G91246 NCanadian Bilingual (En+Fr) SN20G91263 NKorean SN20G91252 NTraditional Chinese SN20G91270 NRussian SN20G91255 NFrench SN20G91260 NGerman SN20G91245 NArabic SN20G91262 NBrazilian SN20G91249 NJapanese SN20G91266 NDutch SN20G91250 NGreek SN20G91268 NHebrew SN20G91253 NHungarian SN20G91240 NNordic SN20G91256 NBelgian SN20G91242 NIcelandic SN20G91258 NSlovenian SN20G91241 NSwiss SN20G91257 NUS international SN20G91244 NCzech&Slovak SN20G91261 NBulgarian SN20G91248 NIndia SN20G91265 N

Table 6. Parts list—Keyboard (continued)

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Miscellaneous partsTable 7. Parts list—Miscellaneous parts

FRU P/N CRU ID.System miscellaneous parts:• (a) HDD Bracket L Yoga 3 14 L+R 5B40H35645

NCable miscellaneous parts:• (b) HDD FFC L Yoga 3 14Note: Italicized letters in parentheses are references to the exploded view in “Overall” on page 60.

5C10H35669

ScrewTable 8. Parts list—screws

FRU P/N CRU ID.

Screw L Yoga3 14Hinge to Lcd Cover 5S10H41041 NScrew L Yoga3 14Hinge/BZL to ACover 5S10H41040 NScrew L Yoga3 14HDD/FAN/BTY/MBtoUPC 5S10H41042 NScrew L Yoga 3 14 Hinge to Upper C 5S10H41046 NScrew L Yoga 3 14 HDD to HDD BRKT 5S10H41043 NScrew L Yoga3 14 Upper C to Lower D 5S10H41038 NScrew L Yoga 3 14 NGFF to Upper C 5S10H41039 N

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Lenovo Yoga 3 14 Hardware Maintenance Manual

AC adaptersTable 9. Parts list—AC adapters

FRU P/N CRU ID.Adapter, Delta ADL40WDA 20V/5.2V 2A 40W adapter 36200561 *Adapter, Delta ADL40WDJ 20V/5.2V 2A 40W adapter 36200562 *Adapter, Delta ADL40WDB 20V/5.2V 2A 40W adapter 36200563 *Adapter, Delta ADL40WDD 20V/5.2V 2A 40W adapter 36200564 *Adapter, Delta ADL40WDG 20V/5.2V 2A 40W adapter 36200565 *Adapter, Delta ADL40WDE 20V/5.2V 2A 40W adapter 36200566 *Adapter, Delta ADL40WDC 20V/5.2V 2A 40W adapter 36200567 *Adapter, Delta ADL40WDH 20V/5.2V 2A 40W adapter 36200616 *Adapter, Liteon ADL40WLA 20V/5.2V 2A40W adapter 36200572 *Adapter, Liteon ADL40WLB 20V/5.2V 2A40W adapter 36200573 *Adapter, Liteon ADL40WLC 20V/5.2V 2A40W adapter 36200574 *Adapter, Liteon ADL40WLD 20V/5.2V 2A40W adapter 36200575 *Adapter, Liteon ADL40WLE 20V/5.2V 2A40W adapter 36200576 *Adapter, Liteon ADL40WLF 20V/5.2V 2A40W adapter 36200577 *Adapter, Liteon ADL40WLG 20V/5.2V 2A40W adapter 36200578 *Adapter, Liteon ADL40WLH 20V/5.2V 2A40W adapter 36200617 *Adapter, Chicony ADL40WCA 20V/5.2V 2A40W adapter 36200579 *Adapter, Chicony ADL40WCB 20V/5.2V 2A40W adapter 36200580 *Adapter, Chicony ADL40WCC 20V/5.2V 2A40W adapter 36200581 *Adapter, Chicony ADL40WCD 20V/5.2V 2A40W adapter 36200582 *Adapter, Chicony ADL40WCE 20V/5.2V 2A40W adapter 36200583 *Adapter, Chicony ADL40WCF 20V/5.2V 2A40W adapter 36200584 *Adapter, Chicony ADL40WCG 20V/5.2V 2A40W adapter 36200585 *Adapter, Chicony ADL40WCH 20V/5.2V 2A40W adapter 36200618 *Adapter, Delta ADL65WDA 20V/5V 3.25A 65W adp 5A10G68690 *Adapter, Delta ADL65WDJ 20V/5V 3.25A 65W adp 5A10G68691 *Adapter, Delta ADL65WDB 20V/5V 3.25A 65W adp 5A10G68680 *Adapter, Delta ADL65WDD 20V/5V 3.25A 65W adp 5A10G68683 *Adapter, Delta ADL65WDG 20V/5V 3.25A 65W adp 5A10G68685 *Adapter, Delta ADL65WDE 20V/5V 3.25A 65W adp 5A10G68687 *Adapter, Delta ADL65WDC 20V/5V 3.25A 65W adp 5A10G68671 *Adapter, Delta ADL65WDH 20V/5V 3.25A 65W adp 5A10G68673 *Adapter, Liteon ADL65WLA 20V/5V 3.25A 65W adp 5A10G68677 *Adapter, Liteon ADL65WLB 20V/5V 3.25A 65W adp 5A10G68672 *Adapter, Liteon ADL65WLC 20V/5V 3.25A 65W adp 5A10G68675 *Adapter, Liteon ADL65WLD 20V/5V 3.25A 65W adp 5A10G68679 *Adapter, Liteon ADL65WLE 20V/5V 3.25A 65W adp 5A10G68684 *Adapter, Liteon ADL65WLF 20V/5V 3.25A 65W adp 5A10G68670 *Adapter, Liteon ADL65WLG 20V/5V 3.25A 65W adp 5A10G68674 *Adapter, Liteon ADL65WLH 20V/5V 3.25A 65W adp 5A10G68678 *Adapter, Chicony ADL65WCA 20V/5V 3.25A 65W adp 5A10G68682 *Adapter, Chicony ADL65WCB 20V/5V 3.25A 65W adp 5A10G68689 *Adapter, Chicony ADL65WCC 20V/5V 3.25A 65W adp 5A10G68669 *Adapter, Chicony ADL65WCD 20V/5V 3.25A 65W adp 5A10G68676 *Adapter, Chicony ADL65WCE 20V/5V 3.25A 65W adp 5A10G68681 *Adapter, Chicony ADL65WCF 20V/5V 3.25A 65W adp 5A10G68686 *Adapter, Chicony ADL65WCG 20V/5V 3.25A 65W adp 5A10G68688 *Adapter, Chicony ADL65WCH 20V/5V 3.25A 65W adp 5A10G68668 *

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Lenovo Yoga 3 14

Power cordsA Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—2-pin power cords

Region P/N CRU ID.

USB Power Cord Fool proof USB cord, Linetek fool proof USB 1.85m USB cord

145500119 *USB Power Cord Fool proof USB cord, Luxshare fool proof USB 1.85m USB cord

145500121 *

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Notices

Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user’s responsibility to evaluate and verify the operation of any other product, program, or service.Lenovo may have patents or pending patent applications covering subject matter described in this document. The furnishing of this document does not give you any license to these patents.

LENOVO GROUP LTD. PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.This information could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. Lenovo may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice.The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. All information contained in this document was obtained in specific environments and is presented as an illustration. The result obtained in other operating environments may vary.Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you. Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk.

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Notices

Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment.

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