Lenovo Yoga720 12Ikb Hmm 201709 Yoga 720 12 IKB User Manual Hardware Maintenance Laptop (ideapad)

User Manual: Lenovo Yoga720-12Ikb Hmm 201709 Hardware Maintenance Manual - Yoga 720-12IKB Yoga 720-12IKB Laptop (ideapad) Yoga 720-12IKB Laptop

Open the PDF directly: View PDF .
Page Count: 76

Lenovo

YOGA 720-12IKB

Hardware

Maintenance

Manual

Note:

• Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder

“Notices”onpage71.

First Edition (August 2017)

© Copyright Lenovo 2017. 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.

© 2017 Lenovo

iii

Contents

About this manual ....................................... iv

Safety information ........................................ 1

General safety ................................................ 2

Electrical safety .............................................. 3

Safety inspection guide .................................. 5

Handling devices that are sensitive to

electrostatic discharge .................................... 6

Grounding requirements ................................. 6

Safety notices: multilingual translations.......... 7

Laser compliance statement......................... 14

Important service information ................... 16

Strategy for replacing FRUs ......................... 16

Strategy for replacing a hard disk drive ............17

Important notice for replacing a system

board ................................................................17

Important information about replacing

RoHS compliant FRUs ................................. 18

General checkout ...................................... 19

What to do rst ............................................. 20

Power system checkout................................ 21

Checking the AC adapter .................................21

Checking operational charging .........................22

Checking the battery pack ................................22

Related service information ...................... 23

Restoring the factory contents by using

recovery system ........................................... 23

Restore of factory default .................................23

Passwords .................................................... 24

Power-on password .......................................... 24

Hard-disk password .......................................... 24

Supervisor password ........................................24

Power management ..................................... 25

Putting the computer to sleep or

shutting it down .................................................25

Putting your computer to sleep ......................... 25

Shutting down the computer ............................. 25

Lenovo YOGA 720-12IKB ........................... 26

Specications ............................................... 26

Status indicators ........................................... 27

Keyboard function keys ................................ 28

FRU replacement notices ............................. 29

Screw notices ..................................................29

Removing and replacing an FRU ................. 30

1010 Base cover ...............................................31

1020 Battery pack .............................................33

1030 Solid state disk ........................................34

1040 PCI Express Mini Card for

wireless LAN .....................................................35

1050 Speakers .................................................37

1060 IO board ...................................................39

1070 Fan and heat sink assembly .................... 40

1080 System board ..........................................42

1090 Fingerprint module and DC-in cable ........ 45

1100 LCD unit ...................................................46

1110 LCD panel ................................................47

1120 EDP cable ................................................ 50

1130 Microphone board and camera board ...... 52

1140 LCD hinges ..............................................54

Locations ...................................................... 56

Front and right-side view ..................................56

Bottom and left-side view ................................57

Parts list ........................................................ 58

Overall ..............................................................59

LCD FRUs ........................................................64

Miscellaneous parts .......................................... 65

AC adapters ......................................................66

Screws .............................................................. 66

Power cords ......................................................67

Notices......................................................... 71

Trademarks .................................................. 72

iv

About this manual

This manual contains service and reference information for the following

Lenovo product:

Lenovo YOGA 720-12IKB

Use 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-specic section includes service, reference, and product-specic

parts information.

Important:

ThismanualisintendedonlyfortrainedservicerswhoarefamiliarwithLenovo

products.Usethismanualtotroubleshootproblemseectively.

BeforeservicingaLenovoproduct,makesuretoreadalltheinformationunder

“Safetyinformation”onpage1and“Importantserviceinformation”onpage16.

1

Safety information

Safety information

This chapter presents the following safety information that you need to get familiar

with before you service a Lenovo YOGA 720-12IKB 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

2

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

General safety

Follow 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.

3

Safety information

Electrical safety

Observe the following rules when working on electrical equipments.

Important:

Useonlyapprovedtoolsandtestequipments.Somehandtoolshavehandles

coveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithlive

electricalcurrents.

Manycustomershaverubberfloormatsneartheirmachinesthatcontainsmall

conductiveberstodecreaseelectrostaticdischarges.Donotusesuchkindofmat

toprotectyourselffromelectricalshock.

• Find the room emergency power-o (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-o the wall box that supplies

power to the machine, and to lock the wall box in the o 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-o 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 oor 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 o.

4

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

• Always look carefully for possible hazards in your work area. Examples of

these hazards are moist oors, 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 generators

and similar units. (This practice ensures correct grounding of the units.)

• If an electrical accident occurs:

– Caution: do not become a victim yourself.

– Switch o the power.

– Send the victim to get medical aid.

5

Safety information

Safety inspection guide

The 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 rst 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 o, and the power cord disconnected.

Checklist:

1. Check exterior covers for damage (loose, broken, or sharp edges).

2. Turn o 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 specied 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.

6

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Handling devices that are sensitive to electrostatic discharge

Any 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. Useproduct-specificESDprocedureswhentheyexceedtherequirements

notedhere.

2. MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO

9000)asfullyeective.

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 specic service requirement.

Note:

TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnot

necessary.

– 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 requirements

Electrical grounding of the computer is required for operator safety and correct

system function. Proper grounding of the electrical outlet can be veried by a

certied electrician.

7

Safety information

Safety notices: multilingual translations

The safety notices in this section are provided in English, French, German,

Hebrew, Italian, Japanese, and Spanish.

Safety notice 1

BeforethecomputerispoweredonafterFRUreplacement,makesureallscrews,

springs,andothersmallpartsareinplaceandarenotleftlooseinsidethe

computer.Verifythisbyshakingthecomputerandlisteningforrattlingsounds.

Metallicpartsormetalakescancauseelectricalshorts.

Avantderemettrel’ordinateursoustensionaprèsremplacementd’uneunitéen

clientèle,vériezquetouslesressorts,visetautrespiècessontbienenplaceet

bienxées.Pourcefaire,secouezl’unitéetassurez-vousqu’aucunbruitsuspect

neseproduit.Despiècesmétalliquesoudescopeauxdemétalpourraientcauser

uncourt-circuit.

BevornacheinemFRU-AustauschderComputerwiederangeschlossenwird,

mußsichergestelltwerden,daßkeineSchrauben,FedernoderandereKleinteile

fehlenoderimGehäusevergessenwurden.DerComputermußgeschütteltundauf

Klappergeräuschegeprüftwerden.Metallteileoder-splitterkönnenKurzschlüsse

erzeugen.

Primadiaccenderel’elaboratoredopocheéstataeettuatalasostituzionediuna

FRU,accertarsichetutteleviti,lemolleetuttelealtripartidipiccoledimensioni

sianonellacorrettaposizioneenonsianosparseall’internodell’elaboratore.

Vericareciòscuotendol’elaboratoreeprestandoattenzioneadeventualirumori;

eventualipartiopezzettimetallicipossonoprovocarecortocircuitipericolosi.

AntesdeencenderelsistemadespuesdesustituirunaFRU,compruebeque

todoslostornillos,muellesydemáspiezaspequeñasseencuentranensusitio

ynoseencuentransueltasdentrodelsistema.Compruébeloagitandoelsistema

yescuchandolosposiblesruidosqueprovocarían.Laspiezasmetálicaspueden

causarcortocircuitoseléctricos.

8

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Safety notice 2

DANGER

Somestandbybatteriescontainasmallamountofnickelandcadmium.Donot

disassembleastandbybattery,rechargeit,throwitintofireorwater,orshort-

circuitit.Disposeofthebatteryasrequiredbylocalordinancesorregulations.

Useonlythebatteryintheappropriatepartslisting.Useofanincorrectbatterycan

resultinignitionorexplosionofthebattery.

Certainesbatteriesdesecourscontiennentdunickeletducadmium.Neles

démontezpas,nelesrechargezpas,nelesexposezniaufeuniàl’eau.Ne

lesmettezpasencourt-circuit.Pourlesmettreaurebut,conformez-vousàla

réglementationenvigueur.Lorsquevousremplacezlapiledesauvegardeoucelle

del’horlogetempsréel,veillezàn’utiliserquelesmodèlescitésdanslalistede

piècesdétachéesadéquate.Unebatterieouunepileinappropriéerisquedeprendre

feuoud’exploser.

DieBereitschaftsbatterie,diesichunterdemDiskettenlaufwerkbefindet,

kanngeringeMengenNickelundCadmiumenthalten.Siedarfnichtzerlegt,

wiederaufgeladen,kurzgeschlossen,oderFeueroderWasserausgesetztwerden.

BeiderEntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.Beim

ErsetzenderBereitschafts-oderSystembatterienurBatteriendesTypsverwenden,

derinderErsatzteillisteaufgeführtist.DerEinsatzfalscherBatterienkannzu

EntzündungoderExplosionführen.

Alcunebatteriediriservacontengonounapiccolaquantitàdinichelecadmio.

Nonsmontarle,ricaricarle,gettarlenelfuocoonell’acquanécortocircuitarle.

Smaltirlesecondolanormativainvigore(DPR915/82,successivedisposizionie

disposizionilocali).Quandosisostituiscelabatteriadell’RTC(realtimeclock)o

labatteriadisupporto,utilizzaresoltantoitipiinseritinell’appropriatoCatalogo

parti.L’impiegodiunabatterianonadattapotrebbedeterminarel’incendioo

l’esplosionedellabatteriastessa.

Algunasbateríasdereservacontienenunapequeñacantidaddeníquelycadmio.

Nolasdesmonte,nirecargue,nilasechealfuegooalaguanilascortocircuite.

Deséchelastalcomodisponelanormativalocal.Utilicesólobateríasquese

encuentrenenlalistadepiezas.Lautilizacióndeunabateríanoapropiadapuede

provocarlaigniciónoexplosióndelamisma.

9

Safety information

Safety notice 3

DANGER

Thebatterypackcontainssmallamountsofnickel.Donotdisassembleit,throw

itintoreorwater,orshort-circuitit.Disposeofthebatterypackasrequiredby

localordinancesorregulations.Useonlythebatteryintheappropriatepartslisting

whenreplacingthebatterypack.Useofanincorrectbatterycanresultinignition

orexplosionofthebattery.

Labatteriecontientdunickel.Neladémontezpas,nel’exposezniaufeuniàl’eau.

Nelamettezpasencourt-circuit.Pourlamettreaurebut,conformez-vousàla

réglementationenvigueur.Lorsquevousremplacezlabatterie,veillezàn’utiliser

quelesmodèlescitésdanslalistedepiècesdétachéesadéquate.Eneffet,une

batterieinappropriéerisquedeprendrefeuoud’exploser.

AkkusenthaltengeringeMengenvonNickel.Siedürfennichtzerlegt,

wiederaufgeladen,kurzgeschlossen,oderFeueroderWasserausgesetztwerden.

BeiderEntsorgungdieörtlichenBestimmungenfürSondermüllbeachten.Beim

ErsetzenderBatterienurBatteriendesTypsverwenden,derinderErsatzteilliste

aufgeführtist.DerEinsatzfalscherBatterienkannzuEntzündungoderExplosion

führen.

Labatteriacontienepiccolequantitàdinichel.Nonsmontarla,gettarlanelfuoco

onell’acquanécortocircuitarla.Smaltirlasecondolanormativainvigore(DPR

915/82,successivedisposizioniedisposizionilocali).Quandosisostituiscela

batteria,utilizzaresoltantoitipiinseritinell’appropriatoCatalogoparti.L’impiego

diunabatterianonadattapotrebbedeterminarel’incendiool’esplosionedella

batteriastessa.

Lasbateríascontienenpequeñascantidadesdeníquel.Nolasdesmonte,ni

recargue,nilasechealfuegooalaguanilascortocircuite.Deséchelastalcomo

disponelanormativalocal.Utilicesólobateríasqueseencuentrenenlalistade

piezasalsustituirlabatería.Lautilizacióndeunabateríanoapropiadapuede

provocarlaigniciónoexplosióndelamisma.

10

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Safety notice 4

DANGER

Thelithiumbatterycancauseafire,anexplosion,orasevereburn.Donot

rechargeit,removeitspolarizedconnector,disassembleit,heatitabove100°C

(212°F),incinerateit,orexposeitscellcontentstowater.Disposeofthebatteryas

requiredbylocalordinancesorregulations.Useonlythebatteryintheappropriate

partslisting.Useofanincorrectbatterycanresultinignitionorexplosionofthe

battery.

Lapiledesauvegardecontientdulithium.Elleprésentedesrisquesd’incendie,

d’explosionoudebrûluresgraves.Nelarechargezpas,neretirezpasson

connecteurpolariséetneladémontezpas.Nel’exposezpasàunetemperature

supérieureà100°C,nelafaitespasbrûleretn’enexposezpaslecontenuàl’eau.

Mettezlapileaurebutconformémentàlaréglementationenvigueur.Unepile

inappropriéerisquedeprendrefeuoud’exploser.

DieSystembatterieisteineLithiumbatterie.Siekannsichentzünden,explodieren

oderschwereVerbrennungenhervorrufen.BatteriendiesesTypsdürfennicht

aufgeladen,zerlegt,über100Cerhitztoderverbranntwerden.Auchdarfihr

InhaltnichtmitWasserinVerbindunggebrachtoderderzurrichtigenPolung

angebrachteVerbindungssteckerentferntwerden.BeiderEntsorgungdieörtlichen

BestimmungenfürSondermüllbeachten.BeimErsetzenderBatterienurBatterien

desTypsverwenden,derinderErsatzteillisteaufgeführtist.DerEinsatzfalscher

BatterienkannzuEntzündungoderExplosionführen.

Labatteriadisupportoeunabatteriaallitioepuoincendiarsi,esplodereo

procuraregraviustioni.Evitarediricaricarla,smontarneilconnettorepolarizzato,

smontarla,riscaldarlaadunatemperaturasuperioreai100gradicentigradi,

incendiarlaogettarlainacqua.Smaltirlasecondolanormativainvigore(DPR

915/82,successivedisposizioniedisposizionilocali).L’impiegodiunabatteria

nonadattapotrebbedeterminarel’incendiool’esplosionedellabatteriastessa.

Labateríaderepuestoesunabateríadelitioypuedeprovocarincendios,

explosionesoquemadurasgraves.Nolarecargue,niquiteelconectorpolarizado,

niladesmonte,nicalienteporencimadelos100°C(212°F),nilaincinereni

expongaelcontenidodesusceldasalagua.Deséchelatalcomodisponela

normativalocal.

11

Safety information

Safety notice 5

IftheLCDbreaksandtheuidfrominsidetheLCDgetsintoyoureyesoronyour

hands,immediatelywashtheaffectedareaswithwateratleastfor15minutes.

Seekmedicalcareifanysymptomscausedbytheuidarepresentafterwashing.

Silepanneaud’achageàcristauxliquidessebriseetquevousrecevezdansles

yeuxousurlesmainsunepartieduuide,rincez-lesabondammentpendantau

moinsquinzeminutes.Consultezunmédecinsidessymptômespersistentaprèsle

lavage.

DieLeuchtstoröhreimLCD-BildschirmenthältQuecksilber.BeiderEntsorgung

dieörtlichenBestimmungenfürSondermüllbeachten.DerLCD-Bildschirm

bestehtausGlasundkannzerbrechen,wennerunsachgemäßbehandeltwird

oderderComputeraufdenBodenfällt.WennderBildschirmbeschädigtistund

diedarinbefindlicheFlüssigkeitinKontaktmitHautundAugengerät,sollten

diebetroffenenStellenmindestens15MinutenmitWasserabgespültundbei

BeschwerdenanschließendeinArztaufgesuchtwerden.

Nelcasochecasol’LCDsidovesserompereedilliquidoinessocontenuto

entrasseincontattocongliocchiolemani,lavareimmediatamenteleparti

interessateconacquacorrenteperalmeno15minuti;poiconsultareunmedicosei

sintomidovesseropermanere.

SilaLCDserompeyeluidodesuinteriorentraencontactoconsusojososus

manos,laveinmediatamentelasáreasafectadasconaguadurante15minutos

comomínimo.Obtengaatenciónmedicasisepresentaalgúnsíntomadeluido

despuesdelavarse.

12

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Safety notice 6

DANGER

Toavoidshock,donotremovetheplasticcoverthatprotectsthelowerpartofthe

invertercard.

And’évitertoutrisquedechocélectrique,neretirezpaslecacheenplastique

protégeantlapartieinférieuredelacarted’alimentation.

AusSicherheitsgründendieKunststoffabdeckung,diedenunterenTeilder

Spannungswandlerplatineumgibt,nichtentfernen.

Perevitarescosseelettriche,nonrimuoverelacoperturainplasticacheavvolgela

parteinferioredellaschedainvertitore.

Paraevitardescargas,noquitelacubiertadeplásticoquerodealapartebajadela

tarjetainvertida.

Safety notice 7

DANGER

Thoughthemainbatterieshavelowvoltage,ashortedorgroundedbatterycan

produceenoughcurrenttoburnpersonnelorcombustiblematerials.

Bienquelevoltagedesbatteriesprincipalessoitpeuélevé,lecourt-circuitoula

miseàlamassed’unebatteriepeutproduiresusammentdecourantpourbrûler

desmatériauxcombustiblesoucauserdesbrûlurescorporellesgraves.

ObwohlHauptbatterieneineniedrigeSpannunghaben,könnensiedochbei

KurzschlußoderErdunggenugStromabgeben,umbrennbareMaterialienzu

entzündenoderVerletzungenbeiPersonenhervorzurufen.

Sebbenelebatteriedialimentazionesianoabassovoltaggio,unabatteriain

cortocircuitooamassapuòfornirecorrentesufficientedabruciaremateriali

combustibilioprovocareustioniaitecnicidimanutenzione.

Aunquelasbateríasprincipalestienenunvoltajebajo,unabateríacortocircuitada

oconcontactoatierrapuedeproducirlacorrientesucientecomoparaquemar

materialcombustibleoprovocarquemadurasenelpersonal.

13

Safety information

Safety notice 8

DANGER

BeforeremovinganyFRU,turnothecomputer,unplugallpowercordsfrom

electricaloutlets,removethebatterypack,andthendisconnectanyinterconnecting

cables.

Avantderetireruneunitéremplaçableenclientèle,mettezlesystèmehorstension,

débrancheztouslescordonsd’alimentationdessoclesdeprisedecourant,retirez

labatterieetdéconnecteztouslescordonsd’interface.

DieStromzufuhrmußabgeschaltet,alleStromkabelausderSteckdosegezogen,

derAkkuentferntundalleVerbindungskabelabgenommensein,bevoreineFRU

entferntwird.

PrimadirimuoverequalsiasiFRU,spegnereilsistema,scollegaredalleprese

elettrichetuttiicavidialimentazione,rimuoverelabatteriaepoiscollegareicavi

diinterconnessione.

AntesdequitarunaFRU,apagueelsistema,desenchufetodosloscablesde

lastomasdecorrienteeléctrica,quitelabateríay,acontinuación,desconecte

cualquiercabledeconexiónentredispositivos.

14

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Laser compliance statement

Some 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 certied 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:

CAUTION

Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthose

speciedhereinmightresultinhazardousradiationexposure.

Ousodecontroles,ajustesoudesempenhodeprocedimentosdiferentesdaqueles

aquiespecicadospoderesultaremperigosaexposiçãoàradiação.

Pourévitertoutrisqued’expositionaurayonlaser,respectezlesconsignesde

réglageetd’utilisationdescommandes,ainsiquelesprocéduresdécrites.

WerdenSteuer-undEinstellelementeandersalshierfestgesetztverwendet,kann

gefährlicheLaserstrahlungauftreten.

L’utilizzodicontrolli,regolazioniol’esecuzionediprocedurediversedaquelle

specicatepossonoprovocarel’esposizionea.

Elusodecontrolesoajustesolaejecucióndeprocedimientosdistintosdelosaquí

especicadospuedeprovocarlaexposiciónaradiacionespeligrosas.

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.

15

Safety information

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:

DANGER

Emitsvisibleandinvisiblelaserradiationwhenopen.Donotstareintothebeam,

donotviewdirectlywithopticalinstruments,andavoiddirectexposuretothe

beam.

Radiaçãoporraiolaseraoabrir.Nãoolhefixonofeixedeluz,nãoolhe

diretamentepormeiodeinstrumentosóticoseeviteexposiçãodiretacomofeixe

deluz.

Rayonnementlasersicarterouvert.Évitezdefixerlefaisceau,deleregarder

directementavecdesinstrumentsoptiques,oudevousexposeraurayon.

LaserstrahlungbeigeönetemGerät.NichtdirektoderüberoptischeInstrumente

indenLaserstrahlsehenunddenStrahlungsbereichmeiden.

Kinyitáskorlézersugár!Nenézzenbeleseszabadszemmel,seoptikai

eszközökkel.Kerüljeasugárnyalábbalvalóérintkezést!

Aprendol’unitàvengonoemesseradiazionilaser.Nonfissareilfascio,non

guardarlodirettamenteconstrumentiotticieevitarel’esposizionedirettaalfascio.

Radiaciónláseralabrir.Nomirejamenteniexamineconinstrumentalópticoel

hazdeluz.Evitelaexposicióndirectaalhaz.

16

Lenovo YOGA 720-12IKB

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:

BIOSanddevicedriverxesarecustomer-installable.TheBIOSanddevicedrivers

arepostedonthecustomersupportsite:

http://support.lenovo.com.

Strategy for replacing FRUs

Before replacing parts:

Make sure that all software xes, 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 xes, 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.

17

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 conguration settings (using the View Conguration

option); then, when service has been completed, verify that those settings

remain in eect.

Strategy for replacing a hard disk drive

Always 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.

18

Lenovo YOGA 720-12IKB

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 aecting 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 t and function

are identied 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 identied 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 RoHS

Non-RoHS Can be RoHS

Non-RoHS Can sub to RoHS

RoHS Must be RoHS

Note: A direct substitution is a part with a dierent FRU part number that is

automatically shipped by the distribution center at the time of the order.

19

General checkout

General checkout

This chapter presents the following information:

• “What to do rst” 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:

• Onlycertiedtrainedpersonnelcanservicethecomputer.

• BeforereplacinganyFRU,readthe entirepageonremovingandreplacing

FRUs.

• CarefullyremovescrewsforreusewhenreplacingFRUs.

• Beextremelycarefulduringsuchwriteoperationsascopying,saving,or

formatting.Drivesinthecomputerthatyouareservicingsequencemight

havebeenaltered.Ifyouselectanincorrectdrive,dataorprogramsmightbe

overwritten.

• ReplaceanFRUonlywithanotherFRUofthecorrectmodel.Whenyou

replaceanFRU,makesurethatthemachinemodelandtheFRUpartnumberare

correctbyreferringtotheFRUpartslist.

• AnFRUshouldnotbereplacedjustbecauseofasingle,unreproduciblefailure.

Singlefailurescanoccurforavarietyofreasonsthathavenothingtodowitha

hardwaredefect,suchascosmicradiation,electrostaticdischarge,orsoftware

errors.ConsiderreplacinganFRUonlywhenaproblemrecurs.Ifyoususpectthat

anFRUisdefective,cleartheerrorlogsandrunthetestagain.Iftheerrordoes

notrecur,donotreplacetheFRU.

• BecarefulnottoreplaceanondefectiveFRU.

20

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

What to do rst

When 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 servicer

2. Date of service

3. Date on which the machine failed

4. Date of purchase

5. Procedure index and page number in which the failing FRU was detected

6. Failing FRU name and part number

7. Machine type, model number, and serial number

8. 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 modication.

• If the spindle of a hard disk drive becomes noisy, it may have been subjected

to excessive force, or dropped.

21

General checkout

Power system checkout

To verify a symptom, follow the steps below:

1. Turnothecomputer.

2. ConnecttheACadapter.

3. Makesurethatpowerissuppliedwhenyouturnonthecomputer.

4. Turno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22

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gure:

1

2

Voltage (V DC)

+20

0

Pin

1

2

Note:OutputvoltagefortheACadapterpinNo.2maydier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720-12IKB”onpage26.

Note:NoisefromtheACadapterdoesnotalwaysindicateadefect.

22

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Checking operational charging

To 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.

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 o, replace the battery pack.

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

Checking the battery pack

Battery charging does not start until the Power Meter shows that less than 95%

of the total power remains; under this condition the battery pack can charge to

100% of its capacity. This protects the battery pack from being overcharged or

from having a shortened life.

To check your battery, move your cursor to the Power Meter icon in the icon

tray of the Windows® taskbar and wait for a moment (but do not click it), and the

percentage of battery power remaining is displayed. To get detailed information

about the battery, double-click the Power Meter icon.

Note: If the battery pack becomes hot, it may not be able to be charged.

Remove it from the computer and leave it at room temperature for a while. After

it cools down, reinstall and recharge it.

23

Related service information

Related service information

This chapter presents the following information:

• “Restoring the factory contents by using recovery system” on page 23

• “Passwords” on page 24

• “Power management” on page 25

Restoring the factory contents by using recovery system

Restore of factory default

The Lenovo YOGA 720-12IKB computer comes with pre-installed recovery

system.In order to save application les and the initial backed up les 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 rst boot up,

just enter the Recovery System. For details of the Recovery system, see the

User Guide for Recovery system.

Note:Thiswilldeleteallthenewdataonthesystempartition(Cdrive),which

isnotrecoverable.Makesuretobackupyourcriticaldatabeforeyouperformthis

action.

24

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

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 password

A 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 password

There 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 HDP

Attention: 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 password

A 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 conguration.

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.

25

Related service information

Power management

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

system.

Putting the computer to sleep or shutting it down

When you have nished working with your computer, you can put it to sleep or

shut it down.

Putting your computer to sleep

If 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 start menu, and then select Power → Sleep.

Attention: Wait until the power indicator light starts blinking (indicating that

the computer is in sleep mode) before you move your computer. Moving your

computer while the hard disk 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.

Shutting down the computer

If 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 start menu, and then select Power → Shut down.

• Press and hold or right-click the Start button in the lower-left corner and

select Shut down or sign out → Shut down.

26

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Lenovo YOGA 720-12IKB

This chapter presents the following product-specific service references and

product-specic parts information:

• “Specications” on page 26

• “Status indicators” on page 27

• “Keyboard function keys” on page 28

• “FRU replacement notices” on page 29

• “Removing and replacing an FRU” on page 30

• “Locations” on page 56

• “Parts list” on page 58

Specications

The following table lists the specifications of the Lenovo YOGA 720-12IKB:

Table 1. Specications

Feature Description

Processor View the system properties of your computer.

You can do this as follows: Open the Control Panel, and then select

System and Security → System.

Graphic Chipset • Integrated Graphics

Display • 12.5-inch, 1,920 × 1,080 pixels FHD

Standard

memory • DDR4-2133 MHz (max 12 GB)

SSD • 128 GB, 256 GB, 512 GB, SATA

I/O port • USB 3.0 × 1

Combo audio jack × 1

Type-C × 1 (compatible with USB 3.0 & DisplayPort)

Audio • 1/8" Combo audio jack

• Audio by Harman 1.5W Speaker x 2

• Built-in microphone × 2

Bluetooth

wireless • BT 4.1, combo with Wi-Fi card

Keyboard • 6 Row, Lenovo Keyboard

Touch pad • Multi-touch type

Integrated

camera • 1M, 720P HD

Battery • 3 cells, 36 Wh

AC adapter • 20 V, 45 W / 65 W

Pre-installed

operating

system

• Win10

27

Lenovo YOGA 720-12IKB

Status indicators

The system status indicators below show the computer status:

2

1

Table 2. Status indicators

Indicator Indicator status Charge

status Meaning

1

Battery

status

indicator

On (solid white) Charging The battery has more than 80%

charge.

On (solid

amber) Discharging The battery has between 5% and

20% charge.

Blinking slowly

(white) Charging

The battery has between 20% and

80% charge. When the battery

reaches 80% charge, the light will

stop blinking. However, charging

will continue until the battery is fully

charged.

Blinking slowly

(amber) Charging

The battery has less than 20%

charge. When the battery charge

reaches 20%, the blinking color will

change to white.

Blinking quickly

(amber) Discharging The battery has less than 5% charge.

O Discharging The battery has more than 20% charge.

2

Power

status

indicator

On (solid white) The computer is powered on.

Blinking The computer is in sleep mode.

O The computer is powered o.

28

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Keyboard function keys

You can access certain system settings quickly by pressing the appropriate

function keys.

Table 3. Fn key combinations

Fn + B: Activates the break function.

Fn + P: Activates the pause function.

Fn + C: Enables/disables the scroll lock.

Fn + S: Activates the system request.

Fn + : Activates the Pgup key function.

Fn + : Activates the Pgdn key function.

Fn + : Activates the home key function.

Fn + : Activates the end key function.

Fn + Space:

(on select models) Adjusts the keyboard backlight (o → dim → bright → o).

Table 4. Hotkeys

: Mutes/unmutes the sound.

: Decreases the volume level.

: Increases the volume level.

: Enables/disables the microphone.

: Refreshes the desktop or the currently active window.

: Enables/disables the touchpad.

: Enables/disables Airplane mode.

: Enables/disables the integrated camera.

: Locks the screen.

: Toggles the display between the computer and an external

device.

: Decreases display brightness.

: Increases display brightness.

Note: You can use the Lenovo Setting to enable/disable the hotkey function.

29

Lenovo YOGA 720-12IKB

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 rmly to the torque shown in the table. Carefully remove

screws for reuse when replacing FRUs. Make sure that all screws are

tightened rmly.

• Ensure torque screwdrivers are calibrated correctly following country

specications.

30

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Removing and replacing an FRU

This section presents exploded gures 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

certied. An untrained person runs the risk of damaging parts.

2. Before replacing any FRU, review “FRU replacement notices” on page 29.

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

gures 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 gure.

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

the gure.

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 56.

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

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfrom

electricaloutlets,removethebatterypack,andthendisconnectanyofthe

interconnectingcables.

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 akes 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.

31

Lenovo YOGA 720-12IKB

1010 Base cover

Figure 1. Removal steps of base cover

Remove the screws 1. Pull the base cover in the direction shown by arrow 2,

then remove the base cover in the direction shown by arrow 3.

Note: Be careful when separating the base cover. Do not force apart the base

cover, otherwise the cover hooks could be damaged.

1

1

1

1

2

3

Step Screw (quantity) Color Torque

1M2.0 x 5.5 mm, Phillips-head, nylok-coated (4)

D cover to C cover

Black 1.8-2.0 kg_cm

32

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Note: Applying labels to the base cover

If you see the following labels on the base cover, it needs to be peeled o

from the old base cover, and put on the new base cover.

a Rating label

b Rating print label

c Taiwan warning label

d India BIS label

e Adapter label

f Windows label

g Korea KCC label

h Canada/Taiwan/USA label

i South Africa label

j Israel label

k Brazil label

l Indonesia label

m China oce label

n Malaysia 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, nd 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 gure:

a b

c

e

f

g

h

i

k

l

m

n

j

d

33

Lenovo YOGA 720-12IKB

1020 Battery pack

For access, remove this FRU:

• “1010 Base cover” on page 31

DANGER

Onlyusethebatteryspeciedinthepartslistforyourcomputer.Anyotherbattery

couldigniteorexplode.

Figure 2. Removal steps of battery pack

Unplug the battery connector in the direction shown by arrow 1. Remove the

screws 2, then remove the battery pack 3.

1

3

2

2

22

Step Screw (quantity) Color Torque

2M2.0 x 4.0 mm, Phillips-head, nylok-coated (4)

Battery to MB

Black 1.8-2.0 kg_cm

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

34

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1030 Solid state disk

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

Figure 3. Removal steps of solid state disk

Remove the screw 1.

1

Step Screw (quantity) Color Torque

1M2.0 x 3.0 mm, Phillips-head, nylok-coated (1)

SSD to MB

Silver 1.8-2.0 kg_cm

Remove the solid state disk in the direction shown by arrow 2.

2

35

Lenovo YOGA 720-12IKB

1040 PCI Express Mini Card for wireless LAN

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

Important: The preinstalled WLAN module may only be replaced with a Lenovo

approved module in order to comply with FCC and IC regulations. Refer to

“Table 5. Parts list—Overall” on page 60 for Lenovo part numbers for the

approved modules.

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.

11

2

In step 1, unplug the jacks by using the removal tool antenna RF connector

(P/N: 08K7159), or pick up the connectors with your ngers 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.

Step Screw (quantity) Color Torque

2M2.0 x 3.0 mm, Phillips-head, nylok-coated (1)

WIFI to MB

Silver 1.8-2.0 kg_cm

36

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

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

Remove the card in the direction shown by arrow 3.

3

When installing: When installing the wireless LAN card, plug the black cable

into the jack labeled MAIN and the white cable into the jack labeled AUX.

37

Lenovo YOGA 720-12IKB

1050 Speakers

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

Figure 5. Removal steps of speakers

Unplug the speaker connector in the direction shown by arrow 1. Disconnect

the touchpad connector in the directions shown by arrows 2 and 3. Peel

o the tape 4 that secures the cable and release the speaker cable from the

cable guides.

1

2

3

4

When installing: Make sure that the connectors are attached rmly.

38

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Figure 5. Removal steps of speakers (continued)

Remove the two speakers 5.

5

5

39

Lenovo YOGA 720-12IKB

1060 IO board

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

Figure 6. Removal steps of IO board

Detach the IO board connector in the directions shown by arrows 1 and 2.

Remove the screw 3.

3

1

2

When installing: Make sure that the connector is attached rmly.

Remove the IO board 4.

4

Step Screw (quantity) Color Torque

3M2.0 x 2.0 mm, Phillips-head, nylok-coated (1)

to audio board

Black 1.8-2.0 kg_cm

40

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1070 Fan and heat sink assembly

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

Figure 7. Removal steps of fan and heat sink assembly

Unplug the fan connector in the direction shown by arrow 1. Remove the

screws 2, then remove the fan in the direction shown by arrow 3.

2

2

2

3

1

When installing: Make sure that the connector is attached rmly.

Step Screw (quantity) Color Torque

2M2.0 x 4.0 mm, Phillips-head, nylok-coated (3)

FAN to MB

Black 1.8-2.0 kg_cm

41

Lenovo YOGA 720-12IKB

Figure 7. Removal steps of fan and heat sink assembly (continued)

Loosen the screws 4. Remove the heat sink in the direction shown by arrow 5.

4

4

4

4

5

Attention: Do not handle the heat sink assembly roughly. Improper handling

can cause distortion or deformation and imperfect contact with components.

a

When installing: Before you attach the fan assembly to the computer, apply

thermal grease, at an amount of 0.2 grams, to part a shown in the figure

above. Either too much or too little grease application can cause a thermal

problem due to imperfect contact with a component.

42

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1080 System board

Important notices for handling the system board:

Whenhandlingthesystemboard,bearthefollowinginmind.

• Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,

suchasmetal,wood,orcomposite.

• Avoidroughhandlingofanykind.

• Duringthewholeprocess,makesurenottodroporstackthesystemboard.

• Ifyouputasystemboarddown,makesuretoputitonlyonapaddedsurface,such

asanESDmatorconductivecorrugatedmaterial.

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

Figure 8. Removal steps of system board

Detach the connectors (keyboard connector, ngerprint connector, LCD connector

and DC-in connector) in the directions shown by arrows 1, 2 and 3.

1

2

1

21

2

3

When installing: Make sure that the connectors are attached rmly.

43

Lenovo YOGA 720-12IKB

Figure 8. Removal steps of system board (continued)

Remove the screws 4, 5, 6 and 7.

5

5

5

5

5

5

7

7

7

7

7

6

4

Step Screw (quantity) Color Torque

4M2.0 x 5.5 mm, Phillips-head, nylok-coated (1)

hinge to C cover

Black 1.8-2.0 kg_cm

5M2.0 x 4.0 mm, Phillips-head, nylok-coated (6)

hinge to C cover/MB to C cover

Black 1.8-2.0 kg_cm

6M2.0 x 3.0 mm, Phillips-head, nylok-coated (1)

hinge to MB

Silver 1.8-2.0 kg_cm

7M2.0 x 2.0 mm, Phillips-head, nylok-coated (5)

to MB

Black 1.8-2.0 kg_cm

44

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Figure 8. Removal steps of system board (continued)

Open the hinge in the direction shown by arrows 8.

8

8

Remove the system board 9.

9

45

Lenovo YOGA 720-12IKB

1090 Fingerprint module and DC-in cable

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

• “1080 System board” on page 42

Figure 9. Removal steps of ngerprint module and DC-in cable

Remove the ngerprint bracket 1. Then remove the ngerprint board 2.

1

2

1

2

2

Remove the DC-in cable in the direction shown by arrow 3.

3

46

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1100 LCD unit

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

• “1080 System board” on page 42

Figure 10. Removal steps of LCD unit

Rotate the upper case in the direction shown by arrow 1. Then remove the

upper case.

1

47

Lenovo YOGA 720-12IKB

1110 LCD panel

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

• “1080 System board” on page 42

• “1100 LCD unit” on page 46

Figure 11. Removal steps of LCD panel

Insert a prying tool and slide it in the directions shown by arrows 1 to separate

the hinge cover.

1

1

Remove the hinge cover 2.

2

2

2

48

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Figure 11. Removal steps of LCD panel (continued)

Remove the hinge rubbers 3.

3

3

Remove the screws 4 and 5.

4

5

5

Step Screw (quantity) Color Torque

4M2.0 × 2.0 mm, Phillips-head, nylok-coated (1)

B cover to A cover

Black 1.8-2.0 kg_cm

5M2.0 × 2.5 mm, Phillips-head, nylok-coated (2)

B cover to A cover

Black 1.8-2.0 kg_cm

49

Lenovo YOGA 720-12IKB

Figure 11. Removal steps of LCD panel (continued)

Gently pull out the two pieces of adhesive tape with tweezers in the direction

shown by arrows 6.

66

Remove the LCD panel in the direction shown by arrows 7.

7

7

50

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1120 EDP cable

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

• “1080 System board” on page 42

• “1100 LCD unit” on page 46

• “1110 LCD panel” on page 47

Figure 12. Removal steps of EDP cable

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

connector 3. Peel o the adhesive tape, then detach the LCD connector 4.

4

3

1

2

When installing: Make sure that the connectors are attached rmly.

51

Lenovo YOGA 720-12IKB

Figure 12. Removal steps of EDP cable (continued)

Remove the EDP cable 5.

5

52

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1130 Microphone board and camera board

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

• “1080 System board” on page 42

• “1100 LCD unit” on page 46

• “1110 LCD panel” on page 47

• “1120 EDP cable” on page 50

Figure 13. Removal steps of microphone board and camera board

Peel o tape pieces 1 and 2. Unplug the connectors 3.

3

3

12

Remove the microphone boards 4.

4

4

53

Lenovo YOGA 720-12IKB

Figure 13. Removal steps of microphone board and camera board (continued)

Remove the camera board 5.

5

Turn over the camera board, unplug the connector 6.

6

54

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

1140 LCD hinges

For access, remove these FRUs in order:

• “1010 Base cover” on page 31

• “1020 Battery pack” on page 33

• “1040 PCI Express Mini Card for wireless LAN” on page 35

• “1050 Speakers” on page 37

• “1060 IO board” on page 39

• “1070 Fan and heat sink assembly” on page 40

• “1080 System board” on page 42

• “1100 LCD unit” on page 46

Figure 14. Removal steps of LCD hinges

Remove the screws 1.

111

111

Step Screw (quantity) Color Torque

1M2.0 × 2.0 mm, Phillips-head, nylok-coated (6)

hinge to A cover

Black 2.5 ~ 3.0 kgf*cm

55

Lenovo YOGA 720-12IKB

Figure 14. Removal steps of LCD hinges (continued)

Then release the hinges in the direction shown by arrows 2.

2

2

56

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Locations

Front and right-side view

a Integrated camera

2 Built-in microphone

c Wireless LAN antennas

4 Multi-touch screen

e USB 3.0 port

f Type-C port

g Novo button

8 Power button

Note: For the description of each indicator, see “Status indicators” on page 27.

9 Fingerprint reader

j Touchpad

1

4

9

2

2

3

10

3

8

6

5

7

57

Lenovo YOGA 720-12IKB

Bottom and left-side view

a Louvers

b Speakers

c AC power adapter jack

d Battery status indicator

Note: For the description of each indicator, see “Status indicators” on page 27.

e Combo audio jack

3

2

2

1

5

4

58

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Parts list

This section presents the following service parts:

• “Overall” on page 59

• “LCD FRUs” on page 64

• “Miscellaneous parts” on page 65

• “AC adapters” on page 66

• “Screws” on page 66

Notes:

• EachFRUisavailableforalltypesormodels,unlessspecictypesormodels

arespecied.

Attention:

DonotattempttoreplaceanFRUonyourown.IfanFRUisdamaged,contact

aLenovoauthorizedserviceroramarketingrepresentativeforreplacement

orrepair.Onlyqualiedtechnicianscaninspectorrepairthisproduct.

59

Lenovo YOGA 720-12IKB

Overall

1

2

c

9

a

10

11

3

b

4

5

6

7

8

12

60

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Table 5. Parts list—Overall

No. FRU FRU no. CRU

ID.

a-c see “Miscellaneous parts” on page 65.

1 LCD unit (see “LCD FRUs” on page 64.)

2 Upper Case B 81B5 BL IG W/KB AR 5CB0Q12160 N

2 Upper Case B 81B5 BL IG W/KB BE 5CB0Q12139 N

2 Upper Case B 81B5 BL IG W/KB BZ 5CB0Q12284 N

2 Upper Case B 81B5 BL IG W/KB BU 5CB0Q12110 N

2 Upper Case B 81B5 BL IG W/KB CZ-SK 5CB0Q12181 N

2 Upper Case B 81B5 BL IG W/KB NL 5CB0Q12195 N

2 Upper Case B 81B5 BL IG W/KB US 5CB0Q12240 N

2 Upper Case B 81B5 BL IG W/KB CE-F 5CB0Q12114 N

2 UpperCase B 81B5 BL IG W/KBUSINT'E 5CB0Q12222 N

2 Upper Case B 81B5 BL IG W/KB UK 5CB0Q12161 N

2 Upper Case B 81B5 BL IG W/KB FR 5CB0Q12113 N

2 Upper Case B 81B5 BL IG W/KB FR-AR 5CB0Q12188 N

2 Upper Case B 81B5 BL IG W/KB GR 5CB0Q12140 N

2 Upper Case B 81B5 BL IG W/KB GK 5CB0Q12185 N

2 Upper Case B 81B5 BL IG W/KB HB 5CB0Q12258 N

2 Upper Case B 81B5 BL IG W/KB INIDA 5CB0Q12144 N

2 Upper Case B 81B5 BL IG W/KB HG 5CB0Q12212 N

2 Upper Case B 81B5 BL IG W/KB ICE 5CB0Q12157 N

2 Upper Case B 81B5 BL IG W/KB IT 5CB0Q12121 N

2 Upper Case B 81B5 BL IG W/KB JP 5CB0Q12128 N

2 Upper Case B 81B5 BL IG W/KB KO 5CB0Q12151 N

2 Upper Case B 81B5 BL IG W/KB LA 5CB0Q12177 N

2 Upper Case B 81B5 BL IG W/KB ND 5CB0Q12189 N

2 Upper Case B 81B5 BL IG W/KB PO 5CB0Q12263 N

2 Upper Case B 81B5 BL IG W/KB RU 5CB0Q12215 N

2 Upper Case B 81B5 BL IG W/KB SA 5CB0Q12117 N

2 Upper Case B 81B5 BL IG W/KB SP 5CB0Q12246 N

2 Upper Case B 81B5 BL IG W/KB SW 5CB0Q12265 N

2 Upper Case B 81B5 BL IG W/KB CH 5CB0Q12272 N

2 Upper Case B 81B5 BL IG W/KB TI 5CB0Q12190 N

2 Upper Case B 81B5 BL IG W/KB TR 5CB0Q12123 N

2 Upper Case B 81B5 BL IG W/KB UKR 5CB0Q12260 N

2 Upper Case B 81B5 BL IG W/KB USA 5CB0Q12259 N

2 Upper Case B 81B5 BL PTN W/KB AR 5CB0Q12262 N

2 Upper Case B 81B5 BL PTN W/KB BE 5CB0Q12247 N

2 Upper Case B 81B5 BL PTN W/KB BZ 5CB0Q12127 N

2 Upper Case B 81B5 BL PTN W/KB BU 5CB0Q12118 N

2 UpperCase B 81B5 BL PTN W/KB CZ-SK 5CB0Q12204 N

2 Upper Case B 81B5 BL PTN W/KB NL 5CB0Q12122 N

2 Upper Case B 81B5 BL PTN W/KB US 5CB0Q12201 N

2 Upper Case B 81B5 BL PTN W/KB CE-F 5CB0Q12223 N

2 UpperCaseB81B5BL PTN W/KB US INT'E 5CB0Q12213 N

2 Upper Case B 81B5 BL PTN W/KB UK 5CB0Q12146 N

2 Upper Case B 81B5 BL PTN W/KB FR 5CB0Q12275 N

2 UpperCase B 81B5 BL PTN W/KB FR-AR 5CB0Q12244 N

2 Upper Case B 81B5 BL PTN W/KB GR 5CB0Q12250 N

2 Upper Case B 81B5 BL PTN W/KB GK 5CB0Q12206 N

61

Lenovo YOGA 720-12IKB

Table 5. Parts list—Overall (continued)

No. FRU FRU no. CRU

ID.

2 Upper Case B 81B5 BL PTN W/KB HE 5CB0Q12266 N

2 UpperCase B 81B5 BL PTN W/KB INIDA 5CB0Q12254 N

2 Upper Case B 81B5 BL PTN W/KB HG 5CB0Q12173 N

2 Upper Case B 81B5 BL PTN W/KB ICE 5CB0Q12245 N

2 Upper Case B 81B5 BL PTN W/KB IT 5CB0Q12138 N

2 Upper Case B 81B5 BL PTN W/KB JP 5CB0Q12282 N

2 Upper Case B 81B5 BL PTN W/KB KO 5CB0Q12209 N

2 Upper Case B 81B5 BL PTN W/KB LA 5CB0Q12180 N

2 Upper Case B 81B5 BL PTN W/KB ND 5CB0Q12153 N

2 Upper Case B 81B5 BL PTN W/KB PO 5CB0Q12278 N

2 Upper Case B 81B5 BL PTN W/KB RU 5CB0Q12184 N

2 Upper Case B 81B5 BL PTN W/KB SA 5CB0Q12174 N

2 Upper Case B 81B5 BL PTN W/KB SP 5CB0Q12147 N

2 Upper Case B 81B5 BL PTN W/KB SW 5CB0Q12164 N

2 Upper Case B 81B5 BL PTN W/KB CH 5CB0Q12143 N

2 Upper Case B 81B5 BL PTN W/KB TI 5CB0Q12178 N

2 Upper Case B 81B5 BL PTN W/KB TR 5CB0Q12283 N

2 Upper Case B 81B5 BL PTN W/KB UKR 5CB0Q12251 N

2 Upper Case B 81B5 BL PTN W/KB USA 5CB0Q12219 N

2 Upper Case B 81B5 NBL IG W/KB AR 5CB0Q12159 N

2 Upper Case B 81B5 NBL IG W/KB BE 5CB0Q12205 N

2 Upper Case B 81B5 NBL IG W/KB BZ 5CB0Q12261 N

2 Upper Case B 81B5 NBL IG W/KB BU 5CB0Q12264 N

2 UpperCase B 81B5 NBL IG W/KB CZ-SK 5CB0Q12255 N

2 Upper Case B 81B5 NBL IG W/KB NL 5CB0Q12176 N

2 Upper Case B 81B5 NBL IG W/KB US 5CB0Q12154 N

2 Upper Case B 81B5 NBL IG W/KB CE-F 5CB0Q12214 N

2 UpperCaseB81B5NBL IG W/KB US INT'E 5CB0Q12130 N

2 Upper Case B 81B5 NBL IG W/KB UK 5CB0Q12135 N

2 Upper Case B 81B5 NBL IG W/KB FR 5CB0Q12231 N

2 UpperCase B 81B5 NBL IG W/KB FR-AR 5CB0Q12150 N

2 Upper Case B 81B5 NBL IG W/KB GR 5CB0Q12267 N

2 Upper Case B 81B5 NBL IG W/KB GK 5CB0Q12192 N

2 Upper Case B 81B5 NBL IG W/KB HB 5CB0Q12216 N

2 UpperCase B 81B5 NBL IG W/KB INIDA 5CB0Q12142 N

2 Upper Case B 81B5 NBL IG W/KB HG 5CB0Q12168 N

2 Upper Case B 81B5 NBL IG W/KB ICE 5CB0Q12221 N

2 Upper Case B 81B5 NBL IG W/KB IT 5CB0Q12211 N

2 Upper Case B 81B5 NBL IG W/KB JP 5CB0Q12141 N

2 Upper Case B 81B5 NBL IG W/KB KO 5CB0Q12134 N

2 Upper Case B 81B5 NBL IG W/KB LA 5CB0Q12194 N

2 Upper Case B 81B5 NBL IG W/KB ND 5CB0Q12170 N

2 Upper Case B 81B5 NBL IG W/KB PO 5CB0Q12156 N

2 Upper Case B 81B5 NBL IG W/KB RU 5CB0Q12129 N

2 Upper Case B 81B5 NBL IG W/KB SA 5CB0Q12137 N

2 Upper Case B 81B5 NBL IG W/KB SP 5CB0Q12252 N

2 Upper Case B 81B5 NBL IG W/KB SW 5CB0Q12269 N

2 Upper Case B 81B5 NBL IG W/KB CH 5CB0Q12257 N

2 Upper Case B 81B5 NBL IG W/KB TI 5CB0Q12249 N

62

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

No. FRU FRU no. CRU

ID.

2 Upper Case B 81B5 NBL IG W/KB TR 5CB0Q12167 N

2 Upper Case B 81B5 NBL IG W/KB UKR 5CB0Q12218 N

2 Upper Case B 81B5 NBL PTN W/KB AR 5CB0Q12165 N

2 Upper Case B 81B5 NBL PTN W/KB BE 5CB0Q12132 N

2 Upper Case B 81B5 NBL PTN W/KB BZ 5CB0Q12131 N

2 Upper Case B 81B5 NBL PTN W/KB BU 5CB0Q12233 N

2 UpperCaseB 81B5 NBL PTN W/KB CZ-SK 5CB0Q12274 N

2 Upper Case B 81B5 NBL PTN W/KB NL 5CB0Q12120 N

2 Upper Case B 81B5 NBL PTN W/KB US 5CB0Q12203 N

2 UpperCase B 81B5 NBL PTN W/KB CE-F 5CB0Q12280 N

2 UpperCaseB81B5 NBL PTNW/KBUS INT'E 5CB0Q12277 N

2 Upper Case B 81B5 NBL PTN W/KB UK 5CB0Q12202 N

2 Upper Case B 81B5 NBL PTN W/KB FR 5CB0Q12256 N

2 UpperCase B 81B5NBL PTN W/KB FR-AR 5CB0Q12196 N

2 Upper Case B 81B5 NBL PTN W/KB GR 5CB0Q12270 N

2 Upper Case B 81B5 NBL PTN W/KB GK 5CB0Q12193 N

2 Upper Case B 81B5 NBL PTN W/KB HB 5CB0Q12183 N

2 UpperCase B 81B5 NBL PTN W/KBINIDA 5CB0Q12186 N

2 Upper Case B 81B5 NBL PTN W/KB HG 5CB0Q12243 N

2 Upper Case B 81B5 NBL PTN W/KB ICE 5CB0Q12268 N

2 Upper Case B 81B5 NBL PTN W/KB IT 5CB0Q12126 N

2 Upper Case B 81B5 NBL PTN W/KB JP 5CB0Q12241 N

2 Upper Case B 81B5 NBL PTN W/KB KO 5CB0Q12145 N

2 Upper Case B 81B5 NBL PTN W/KB LA 5CB0Q12242 N

2 Upper Case B 81B5 NBL PTN W/KB ND 5CB0Q12229 N

2 Upper Case B 81B5 NBL PTN W/KB PO 5CB0Q12281 N

2 Upper Case B 81B5 NBL PTN W/KB RU 5CB0Q12175 N

2 Upper Case B 81B5 NBL PTN W/KB SA 5CB0Q12169 N

2 Upper Case B 81B5 NBL PTN W/KB SP 5CB0Q12124 N

2 Upper Case B 81B5 NBL PTN W/KB SW 5CB0Q12228 N

2 Upper Case B 81B5 NBL PTN W/KB CH 5CB0Q12248 N

2 Upper Case B 81B5 NBL PTN W/KB TI 5CB0Q12163 N

2 Upper Case B 81B5 NBL PTN W/KB TR 5CB0Q12182 N

2 Upper Case B 81B5 NBL PTN W/KB UKR 5CB0Q12220 N

3 MB B 81B5 WIN 4415U UMA 4G BL 5B20Q12253 N

3 MB B 81B5 WIN 4415U UMA 8G BL 5B20Q12271 N

3 MB B 81B5 WIN 4415U UMA 12G BL 5B20Q12136 N

3 MB B 81B5 WIN I37100U UMA 4G BL 5B20Q12235 N

3 MB B 81B5 WIN I37100U UMA 8G BL 5B20Q12238 N

3 MB B 81B5 WIN I37100U UMA 12GBL 5B20Q12187 N

3 MB B 81B5 WIN I57200U UMA 4G BL 5B20Q12197 N

3 MB B 81B5 WIN I57200U UMA 8G BL 5B20Q12234 N

3 MB B 81B5 WIN I57200U UMA 12GBL 5B20Q12191 N

3 MB B 81B5 WIN I77500U UMA 4G BL 5B20Q12115 N

3 MB B 81B5 WIN I77500U UMA 8G BL 5B20Q12162 N

3 MB B 81B5 WIN I77500U UMA12G BL 5B20Q12112 N

3 MB B 81B5 WIN 4415U UMA 4G NBL 5B20Q12108 N

3 MB B 81B5 WIN 4415U UMA 8G NBL 5B20Q12227 N

3 MB B 81B5 WIN 4415U UMA 12G NBL 5B20Q12155 N

Table 5. Parts list—Overall (continued)

63

Lenovo YOGA 720-12IKB

No. FRU FRU no. CRU

ID.

3 MB B 81B5 WIN I37100U UMA 4GNBL 5B20Q12217 N

3 MB B 81B5 WIN I37100U UMA 8GNBL 5B20Q12207 N

3 MB B 81B5 WINI37100U UMA 12GNBL 5B20Q12148 N

3 MB B 81B5 WIN I57200U UMA 4GNBL 5B20Q12116 N

3 MB B 81B5 WIN I57200U UMA 8GNBL 5B20Q12172 N

3 MB B 81B5 WIN I57200U UMA12GNBL 5B20Q12111 N

3 MB B 81B5 WIN I77500U UMA 4GNBL 5B20Q12225 N

3 MB B 81B5 WIN I77500U UMA 8GNBL 5B20Q12210 N

3 MB B 81B5 WIN I77500U UMA12GNBL 5B20Q12198 N

4 Audio Board B 81B5 W/Cable 5C50Q12149 N

5 WLAN, Intel 8265 2x2AC+BT PCIE M.2 WLAN NV SW10K97453 **

5WLAN, Ltn NFA344A 2x2AC+BT4.x PCIE M.2 WLAN SW10K97465 **

5 WLAN, Intel 3165 1x1AC+BT PCIE M.2 WLAN SW10H24486 **

5 WLAN, RTL8821CE 1x1AC+BT4.2 Combo M.2 BS SW10K97462 **

5WLAN, Ltn NFA435A 1x1AC+BT4.0 PCIE M.2 WLAN SW10K97461 **

6 Fan B 81B5 5F10Q12179 N

7 Heatsink B 81B5 5H40Q12226 N

8Battery, Yoga520-12/320-11/320S-13 SP/A

L17M3P61 11.52V36Wh3cell bty

5B10N87358 N

8Battery, Yoga520-12/320-11/320S-13 CP/C

L17C3P61 11.52V36Wh3cell bty

5B10N87359 N

8 Battery, Yoga520-12/320-11/320S-13 LG L17L3P61

11.58V36Wh3cell bty

5B10N87357 N

9 FPR Board B 81B5 W/Cable PTN 5F30Q12133 N

9 FPR Board B 81B5 W/Cable IG 5F30Q12276 N

10 SSD, Hynix HFS128G39TND-N210A M.2 128GB

SSD

5SD0L07408 **

10 SSD, Liteon CV3-8D128 M.2 2280128G SSD 5SD0L02318 **

10 SSD, Hynix SC313 128GB M.2 2280 SSD SSS0Q25533 **

10 SSD, Hynix HFS256G39TND-N210A M.2 256GB

SSD

5SD0L07410 **

10 SSD, Liteon CV3-8D256 M.2 2280 256G SSD 5SD0L02320 **

10 SSD, Hynix SC313 256GB M.2 2280 SSD SSS0Q25534 **

10 SSD, Hynix HFS512G39TND-N210A M.2 512GB

SSD

5SD0L07409 **

10 SSD, Hynix SC313 512GB M.2 2280 SSD SSS0Q25532 **

11 Speaker, Yoga520-12 Veco 1020 Speaker 5SB0M65356 N

12 Lower Case B 81B5 IG 5CB0Q12239 **

12 Lower Case B 81B5 PTN 5CB0Q12230 **

— AC adapter (see “AC adapters” on page 66).

Table 5. Parts list—Overall (continued)

64

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

LCD FRUs

In Lenovo YOGA 720-12IKB, there are following types of LCDs.

• “12.5-in. FHD LED”

7

8

1

3

2

4

5

9

6

65

Lenovo YOGA 720-12IKB

Table 6. Parts list—LCD FRUs

No. FRU FRU no. CRU

ID.

1 Hinge Cover B 81B5 Black Middle 5CB0Q12152 N

1 Hinge Cover B 81B5 Black Left 5CB0Q12273 N

1 Hinge Cover B 81B5 Black Right 5CB0Q12232 N

2 LCDModuleB 81B5W/ControlBoardFHD 5D10P94922 N

3 Dual MIC Board B 81B5 L+R 5C50Q12125 N

4 Camera B 81B5 720P 5C20Q12166 N

5 Removable Tape B 81B5 5T10Q12279 N

6 Hinge B 81B5 L+R IG 5H50Q12208 N

6 Hinge B 81B5 L+R PTN 5H50Q12237 N

7 EDP/MIC Cable B 81B5 5C10Q12109 N

8 Hinge Rubber B 81B5 5R60Q12224 N

9 LCD Cover B 81B5 IG 5CB0Q12158 N

9 LCD Cover B 81B5 PTN 5CB0Q12200 N

Miscellaneous parts

Table 7. Parts list—Miscellaneous parts

FRU P/N CRU ID.

System miscellaneous parts:

• (a) FPR Bracket B 81B5 5B40Q12119 N

Cable miscellaneous parts:

• (b) DC-IN Cable B 81B5 5C10Q12199 N

• (c) Fingerprint to MB Cable B 81B5 5C10Q15251 N

Note: Italicized letters in parentheses are references to the exploded view in “Overall”

on page 59.

66

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

AC adapters

Table 8. Parts list—AC adapters

FRU P/N CRU ID.

Delta ADP-45DW A 20V2.25A COO SA10M42800 *

Delta ADP-45DW J 20V2.25A COO SA10M42721 *

Delta ADP-45DW B 20V2.25A COO SA10M42785 *

Delta ADP-45DW D 20V2.25A COO SA10M42696 *

Delta ADP-45DW H 20V2.25A COO SA10M42699 *

Delta ADP-45DW G 20V2.25A COO SA10M42774 *

Delta ADP-45DW E 20V2.25A COO SA10M42748 *

Delta ADP-45DW C 20V2.25A COO SA10M42700 *

Delta ADP-45DW K 20V2.25A COO SA10M42804 *

Liteon PA-1450-55LN 20V2.25A COO SA10M42711 *

Liteon PA-1450-55LG 20V2.25A COO SA10M42709 *

Liteon PA-1450-55LL 20V2.25A COO SA10M42742 *

Liteon PA-1450-55LK 20V2.25A COO SA10M42530 *

Liteon PA-1450-55LI 20V2.25A COO SA10M42734 *

Liteon PA-1450-55LR 20V2.25A COO SA10M42701 *

Liteon PA-1450-55LS 20V2.25A COO SA10M42736 *

Liteon PA-1450-55LU 20V2.25A COO SA10M42743 *

Liteon PA-1450-55LZ 20V2.25A COO SA10M42752 *

Chicony ADL45WCA 20V2.25A COO SA10M42726 *

Chicony ADL45WCB 20V2.25A COO SA10M42737 *

Chicony ADL45WCC 20V2.25A COO SA10M42697 *

Chicony ADL45WCD 20V2.25A COO SA10M42790 *

Chicony ADL45WCK 20V2.25A COO SA10M42768 *

Chicony ADL45WCE 20V2.25A COO SA10M42706 *

Chicony ADL45WCF 20V2.25A COO SA10M42746 *

Chicony ADL45WCG 20V2.25A COO SA10M42792 *

Chicony ADL45WCH 20V2.25A COO SA10M42786 *

Delta ADLX65NDC3A 20V3.25A RCOO SA10M42715 *

Liteon ADLX65NLC3A 20V3.25A R 5A10J40449 *

Chicony ADLX65NCC3A 20V3.25A RCOO SA10M42747 *

Screws

Table 9. Parts list—Screws

FRU P/N CRU ID.

Screw Pack B 81B5 IG 5S10Q12171 N

Screw Pack B 81B5 PTN 5S10Q12236 N

67

Lenovo YOGA 720-12IKB

Power cords

A Lenovo power cord for a specic country or region is usually available only in

that country or region:

Table 10. Parts list—3-pin power cords

Region P/N CRU ID.

CHINA

• LINETEK PC323+RVV300/300+LS15 1m 145000600 *

ARGENTINA

• LINETEK LS15+H03VV-F+LP39 1m 145000599 *

SWITZERLAND

• LINETEK LS15+H03VV-F+LP-37 1m 145000597 *

BRAZIL

• LINETEK LS15 H03VV-F LP26A 1m 145000596 *

ISRAEL

• LINETEK LS15+H03VV-F+LP-41 1m 145000595 *

CANADA, LA GROUP, LA_GROUP, PHILIPPINES, USA

• LINETEK LP-30B + SPT-2 + LS15 1m 145000594 *

BANGLADESH, CYPRUS, EGYPT, EMAT_UK, EMAT-

UK, HONG_KONG, HONGKONG, IRELAND, MALAYSIA,

SAUDI ARABIA, SAUDI_ARABIA, SINGAPORE, SRI

LANKA, SRI_LANKA, UNITED ARAB EMIRATES,

UNITED KINGDOM, UNITED_ARAB_EMIRATES,

UNITED_KINGDOM

• LINETEK LP-61L+ H03VV-F+ LS15 1m

145000593 *

INDIA, SRI LANKA, SRI_LANKA

• LINETEK PE-361+ H05VV-F+ LS15 1m 145000592 *

CHILE, ITALY

• LINETEK LS15+H03VV-F+PE-336 1m 145000591 *

KOREA

• LINETEK LS15+H05VV-F+LP-E04A 1m 145000590 *

AUSTRALIA, NEW ZEALAND, NEW_ZEALAND

• LINETEK LS15+H03VV-F+LP-23A 1m 145000589 *

TAIWAN

• LINETEK LS15+VCTF+LP-53 1m 145000588 *

JAPAN

• LINETEK LS15+VCTF+LP-54 1m 145000587 *

NEPAL, PAKISTAN, SOUTH AFRICA, SOUTH_AFRICA

• LINETEK LS15+H03VV-F+PE-364 1m 145000586 *

AUSTRIA, AZERBAIJAN, BALTIC, BELARUS, BELGIUM,

BULGARIA, CROATIA_SLOVENIA, CROATIA-

SLOVENIA, CZECH_SLOVAKIA, CZECH-SLOVAKIA,

EGYPT, EMAT_FR, EMAT_PO, EMAT-FR, EMAT-PO,

FRANCE, GEORGIA, GERMANY, GREECE, HUNGARY,

ICELAND, INDONESIA, KAZAKHSTAN, KAZAKSTAN,

LUXEMBOURG, MOLDOVA, NETHERLANDS,

NORDICS, POLAND, PORTUGAL, ROMANIA, RUSSIA,

SERBIA, SPAIN, TURKEY, TURKMENISTAN, UKRAINE,

UNITED ARAB EMIRATES, UNITED_ARAB_EMIRATES,

VIETNAM

• LINETEK LP-34+H03VV-F + LS15 1m

145000585 *

68

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Region P/N CRU ID.

CHINA

• Longwell LSG-31+RVV300/300+LS-18 1m 145000568 *

ARGENTINA

• Longwell LP-24+H03VV-F+LS-18 1m 145000567 *

SWITZERLAND

• Longwell LP-37+H03VV-F+LS-18 1m 145000565 *

BRAZIL

• Longwell LP-46+H03VV-F+LS-18 1m 145000564 *

ISRAEL

• Longwell LP-41+H03VV-F+LS-18 1m 145000563 *

CANADA, LA GROUP, LA_GROUP, PHILIPPINES, USA

• Longwell LP-30B+SPT-2 18AWG+LS-18 1m 145000562 *

BANGLADESH, CYPRUS, EGYPT, EMAT_UK, EMAT-

UK, HONG_KONG, HONGKONG, IRELAND, MALAYSIA,

SAUDI ARABIA, SAUDI_ARABIA, SINGAPORE, SRI

LANKA, SRI_LANKA, UNITED ARAB EMIRATES,

UNITED KINGDOM, UNITED_ARAB_EMIRATES,

UNITED_KINGDOM

• Longwell LP-61L+H03VV-F+LS-18 1m

145000561 *

INDIA, SRI LANKA, SRI_LANKA

• Longwell LP-67+BIS+LS-18 1m 145000560 *

CHILE, ITALY

• Longwell LP-22+H03VV-F+LS-18 1m 145000559 *

KOREA

• Longwell LP-486+KTLH03VV-F+LS-5 1m 145000558 *

AUSTRALIA, NEW ZEALAND, NEW_ZEALAND

• Longwell LP-23A+LFC-3R+LS-18 1m 145000557 *

TAIWAN

• Longwell LP-71+VCTF+LS-33 1m 145000556 *

JAPAN

• Longwell LP-54+VCTF+LS-18 1m 145000555 *

NEPAL, PAKISTAN, SOUTH AFRICA, SOUTH_AFRICA

• Longwell LP-39+H03VV-F+LS-18 1m 145000554 *

AUSTRIA, AZERBAIJAN, BALTIC, BELARUS, BELGIUM,

BULGARIA, CROATIA_SLOVENIA, CROATIA-

SLOVENIA, CZECH_SLOVAKIA, CZECH-SLOVAKIA,

EGYPT, EMAT_FR, EMAT_PO, EMAT-FR, EMAT-PO,

FRANCE, GEORGIA, GERMANY, GREECE, HUNGARY,

ICELAND, INDONESIA, KAZAKHSTAN, KAZAKSTAN,

LUXEMBOURG, MOLDOVA, NETHERLANDS,

NORDICS, POLAND, PORTUGAL, ROMANIA, RUSSIA,

SERBIA, SPAIN, TURKEY, TURKMENISTAN, UKRAINE,

UNITED ARAB EMIRATES, UNITED_ARAB_EMIRATES,

VIETNAM

• Longwell LP-34A+H03VV-F+LS-18 1m

145000553 *

CHINA

• VOLEX GB10S3+RVV 300/500+VAC5S 1m 145000538 *

ARGENTINA

• VOLEX VA2073+H03VV-F+VAC5S 1m 145000528 *

Table 10. Parts list—3-pin power cords (continued)

69

Lenovo YOGA 720-12IKB

Region P/N CRU ID.

SWITZERLAND

• VOLEX MP232+H03VV-F+VAC5S 1m 145000524 *

BRAZIL

• VOLEX CH10S3+H03VV-F+VAC5S 1m 145000527 *

ISRAEL

• VOLEX SI16S3+H03VV-F+VAC5S 1m 145000526 *

CANADA, LA GROUP, LA_GROUP, PHILIPPINES, USA

• Volex US15S3+SPT-2+VAC5S 1m 145000537 *

BANGLADESH, CYPRUS, EGYPT, EMAT_UK, EMAT-

UK, HONG_KONG, HONGKONG, IRELAND, MALAYSIA,

SAUDI ARABIA, SAUDI_ARABIA, SINGAPORE, SRI

LANKA, SRI_LANKA, UNITED ARAB EMIRATES,

UNITED KINGDOM, UNITED_ARAB_EMIRATES,

UNITED_KINGDOM

• VOLEX MP5004+H03VV-F+VAC5S 1m

145000605 *

CHILE, ITALY

• VOLEX IT10S3+HO3VV-F+VAC5S 1m 145000535 *

KOREA

• VOLEX M2511+KETI IEC+VAC5S 1m 145000533 *

AUSTRALIA, NEW ZEALAND, NEW_ZEALAND

• VOLEX AU10S3+H03VV-F+VAC5S 1m 145000532 *

TAIWAN

• VOLEX TW15CS3+VCTF+VAC5S 1m 145000531 *

JAPAN

• VOLEX VAC5S+VCTF+M755 1m 145000530 *

AUSTRIA, AZERBAIJAN, BALTIC, BELARUS, BELGIUM,

BULGARIA, CROATIA_SLOVENIA, CROATIA-

SLOVENIA, CZECH_SLOVAKIA, CZECH-SLOVAKIA,

EGYPT, EMAT_FR, EMAT_PO, EMAT-FR, EMAT-PO,

FRANCE, GEORGIA, GERMANY, GREECE, HUNGARY,

ICELAND, INDONESIA, KAZAKHSTAN, KAZAKSTAN,

LUXEMBOURG, MOLDOVA, NETHERLANDS,

NORDICS, POLAND, PORTUGAL, ROMANIA, RUSSIA,

SERBIA, SPAIN, TURKEY, TURKMENISTAN, UKRAINE,

UNITED ARAB EMIRATES, UNITED_ARAB_EMIRATES,

VIETNAM

• VOLEX M2511+HO3VV-F+VAC5S 1m

145000525 *

CHINA

• lux 0036+RVV 300/300 0.75/3C+0002 1m 145500003 *

ARGENTINA

• lux 0040+H03VV-F 0.75/3C+0011 1m 145500015 *

SWITZERLAND

• lux 0027+H03VV-F 0.75/3C+0011 1m 145500013 *

BRAZIL

• lux 0034+H03VV-F 0.75/3C+0011 1m 145500011 *

ISRAEL

• lux 0041+H03VV-F 0.75/3C+0011 1m 145500012 *

CANADA, LA GROUP, LA_GROUP, PHILIPPINES, USA

• lux 0014+SPT-2 60oC 18/3C+0016 1m 145500002 *

Table 10. Parts list—3-pin power cords (continued)

70

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Region P/N CRU ID.

THAILAND

• lux 0014+H03VV-F 0.75/3C+0011 1m 5L60J33143 *

BANGLADESH, CYPRUS, EGYPT, EMAT_UK, EMAT-

UK, HONG_KONG, HONGKONG, IRELAND, MALAYSIA,

SAUDI ARABIA, SAUDI_ARABIA, SINGAPORE, SRI

LANKA, SRI_LANKA, UNITED ARAB EMIRATES,

UNITED KINGDOM, UNITED_ARAB_EMIRATES,

UNITED_KINGDOM

• lux 0031+H03VV-F 0.75/3C+0011 1m

145500000 *

INDIA, SRI LANKA, SRI_LANKA

• lux 0046+IS694 0.75/3C+0011 1m 145500004 *

CHILE, ITALY

• lux 0029+H03VV-F 0.75/3C+0011 1m 145500009 *

KOREA

• lux 0033+H03VV-F 0.75/3C+0011 1m 145500008 *

AUSTRALIA, NEW ZEALAND, NEW_ZEALAND

• lux 0038+H03VV-F 0.75/3C+0011 1m 145500006 *

TAIWAN

• lux 0019+VCTF 0.75/3C+0021 1m 145500007 *

JAPAN

• lux 0018(E)+VCTF 0.75/3C+0021 1m 145500005 *

NEPAL, PAKISTAN, SOUTH AFRICA, SOUTH_AFRICA

• lux 0044+H03VV-F 0.75/3C+0011 1m 145500010 *

AUSTRIA, AZERBAIJAN, BALTIC, BELARUS, BELGIUM,

BULGARIA, CROATIA_SLOVENIA, CROATIA-

SLOVENIA, CZECH_SLOVAKIA, CZECH-SLOVAKIA,

EGYPT, EMAT_FR, EMAT_PO, EMAT-FR, EMAT-PO,

FRANCE, GEORGIA, GERMANY, GREECE, HUNGARY,

ICELAND, INDONESIA, KAZAKHSTAN, KAZAKSTAN,

LUXEMBOURG, MOLDOVA, NETHERLANDS,

NORDICS, POLAND, PORTUGAL, ROMANIA, RUSSIA,

SERBIA, SPAIN, TURKEY, TURKMENISTAN, UKRAINE,

UNITED ARAB EMIRATES, UNITED_ARAB_EMIRATES,

VIETNAM

• lux 0033+H03VV-F 0.75/3C+0011 1m

145500001 *

Table 10. Parts list—3-pin power cords (continued)

71

Notices

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

aect or change Lenovo product specications 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 specic 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.

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

specic environment.

72

Lenovo YOGA 720-12IKB

Hardware Maintenance Manual

Trademarks

The following terms are either registered trademarks or trademarks of Lenovo

in the United States and/or other countries:

Lenovo®

Lenovo logo®

The following term is trademark of Microsoft Corporation in the United States,

other countries, or both:

Windows®

The following term is trademark of Intel Corporation or its subsidiaries in the

United States, other countries, or both:

Intel®

Other company, product, or service names may be the trademarks or service

marks of others.