2022蘋果電腦維修手冊MacBookPro14-inch,2021.docx

MacBookPro(14-inch,2021)

RepairManual

?2022AppleInc.Allrightsreserved.

MacBookPro(14-inch,2021)

Contents

?2022AppleInc.Allrightsreserved.

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PAGE

2

Contents

3

Introduction

Basics

6

ExplodedViewandOrderableParts

10

Screws

13

Tools

Safety

17

BatterySafety

Procedures

20

FirstSteps

22

Keys

47

BottomCase

63

BatteryManagementUnitFlexCable

69

LidAngleSensor

74

TrackpadandTrackpadFlexCable

85

Vent/AntennaModule

91

DisplayHingeCovers

94

Display

104

LogicBoard

129

AudioBoard

132

Fans

135

MagSafe3Board

141

TouchIDBoard

156

USB-CBoards

160

TopCasewithBatteryandKeyboard

MacBookPro(14-inch,2021)

Introduction

?2022AppleInc.Allrightsreserved.

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4

Introduction

ThismanualincludestechnicalinstructionsforreplacinggenuineApplepartsinMacandisintendedforindividualtechnicianswiththeknowledge,experience,andtoolsrequiredtorepairelectronicdevices.

Important

Readtheentiremanualfirst.Ifyou’renotcomfortableperformingtherepairsasinstructedin

Alwaysusethelatestversionofthisdocumentavailableat

\h

/en_US/manuals/

thismanual,don’tproceed.

\h

mac+repair+manual

.

FailuretofollowtherepairinstructionsortousegenuineApplepartsorpropertoolsmaycause

Warning

fireorothersafetyissuesandleadtopersonalinjuryordeath.

FailuretofollowtherepairinstructionsortousegenuineApplepartsorpropertoolsmaydamage

Caution

theMac,parts,orotherproperty,orcompromisethedevice’sfunctionality.

Warrantyinformation

DamagecausedbyrepairsperformedoutsideofAppleortheAppleAuthorizedServiceProvidernetworkisnotcoveredbyApple’swarrantyorAppleCareplans.Suchdamagemaycausefuturerepairstobesubjecttoout-of-warrantycostsorrenderthedeviceineligibleforfuturerepairsbyAppleorAppleAuthorizedServiceProviders.

Toolsandparts

Orderingtoolsandparts

YoucanlearnhowtoordergenuineApplepartsandtoolsat

\h

/self-service-repair

.Duringthepurchaseprocess,enterthemanualIDBQEZWUtoindicatethatyou’vereadthismanualinitsentiretyandagreethatyouhavetheknowledgeandexperiencetoperformyourintendedrepair.

Softwaretools

\h

AppleDiagnostics

cancheckyourMacforhardwareissues.

WhatSystemConfigurationdoes

Whyit’simportant

Updatesreplacementlogicboardwithdeviceserialnumber

Replacementlogicboardsmustbeupdatedwithyourdevice’sserialnumbertoensurethatApplePay,FaceTime,iMessage,andiCloudservices,suchas

FindMy,cancommunicatesafelyandsecurelywithyourdevice.

Transfersfactorycalibrationvalues

Certainpartslikedisplays,cameras,andambientlightsensorshavecalibrationvaluesthatarecustomizedtoeachindividualpartduringmanufacturing.

Transferringthesevaluesensuresmaximumperformanceandqualityafterarepair.

LinksSecureEnclaveandbiometricauthenticationparts

Afterrepairofalogicboardorabiometricauthenticationpart(TouchID),linkingthebiometricsensorstotheSecureEnclaveonthelogicboard

isrequiredtoensuredevicesecurity.

Ensuresrepairintegrity

Afterahardwarerepair,softwarechecksareperformedtoensurerepairintegrity.RepairintegritymeansthatagenuineAppleparthasbeencorrectlyinstalled.

Assignswirelessregion

Tocomplywithregionalcommunicationsregulations,awirelessregionmustbeassignedtoyourlogicboard.

Updatesfirmware

ASystemConfigurationstepmayberequiredattheendofyourrepair.SystemConfigurationisapostrepairsoftwaretoolthatcompletestherepairforgenuineAppleparts.RunningSystemConfigurationhasanumberofpurposesthatvarybasedonthepartreplaced.

Keepingfirmwareuptodateensuresthatthedevicehasallthelatestsecurityandperformancefeatures.

SystemConfigurationrequiresastrongWi-Finetworkcapableof1.0Mbpsdownloadanduploadspeeds,withlessthan400mslatencyandlessthan2%packetloss.EstimateddatausagetorunSystemConfigurationis6–22MB.

ThedevicemustberunningthelatestversionofmacOSandnotabetaversion.

LearnhowtoinitiatetheSystemConfigurationprocessat

\h

/self-service-repair

.

Alerts

Failuretofollowalertscouldresultinfire,injury,dataloss,ordamagetothedevice,parts,orother

property.

DangerWarning

Instructionsforreducingriskofelectricshockandelectrocution

Instructionsforreducingriskofpersonalinjury

Important

Caution Instructionsforreducingriskofdatalossordevicehardwaredamage

Supplementalinformationforsuccessfullycompletingprocedures;neitheraWarningnoraCaution

MacBookPro(14-inch,2021)

ExplodedViewandOrderableParts

?2022AppleInc.Allrightsreserved.

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ExplodedViewandOrderableParts

Thissectionshowsparts,partnames,andpartnumbersforMacBookPro(14-inch,2021).

PartName Number

Bottomcase 923-06702,spacegray

923-06703,silver

Rightdisplayhingecover 923-06761,spacegray923-06762,silver

RightUSB-Cboardconnectorcowling 923-07050

TouchIDboardconnectorcowling 923-07046

TouchIDboardY-shapedcowling 923-06939

TouchIDboardflexiblecowling 923-07048

7.USB-Cboard 923-06760

TouchIDboard 661-23549

Batterymanagementunit(BMU)flexcable 923-06765

Rightfanduct 923-07045

11.Rightfan 923-06778

Displaycablebumper 923-06887

Displayconnectorcowling 923-07047

Displaycablebumper 923-06887

Displayconnectorcowling 923-07047

Leftdisplayhingecover 923-06763,spacegray923-06764,silver

Lidanglesensorconnectorcowling 923-06888

LeftUSB-Cboardsconnectorcowling 923-06892

MagSafe3boardconnectorcowling 923-06889

Audioboardconnectorcowling 923-07014

Lidanglesensor 661-23649

MagSafe3board 923-06870,spacegray923-06871,silver

23.USB-Cboard 923-06760

24.USB-Cboard 923-06760

Audioboard 923-06757

Leftfanduct 923-06933

27.Leftfan 923-06759

PartName Number

Antennacoaxialcableconnectorcowling 923-06890

Vent/antennamodule 923-06758

Logicboard 661-21255,8-coreCPU,14-coreGPU,16GB,512GB661-21256,8-coreCPU,14-coreGPU,16GB,1TB661-212578-coreCPU,14-coreGPU,16GB,2TB661-21258,8-coreCPU,14-coreGPU,16GB,4TB661-21259,8-coreCPU,14-coreGPU,16GB,8TB661-21260,8-coreCPU,14-coreGPU,32GB,512GB661-21261,8-coreCPU,14-coreGPU,32GB,1TB661-21262,8-coreCPU,14-coreGPU,32GB,2TB661-21263,8-coreCPU,14-coreGPU,32GB,4TB661-21264,8-coreCPU,14-coreGPU,32GB,8TB661-21265,10-coreCPU,14-coreGPU,16GB,512GB661-21266,10-coreCPU,14-coreGPU,16GB,1TB661-21267,10-coreCPU,14-coreGPU,16GB,2TB661-21268,10-coreCPU,14-coreGPU,16GB,4TB661-21269,10-coreCPU,14-coreGPU,16GB,8TB661-21270,10-coreCPU,14-coreGPU,32GB,512GB661-21271,10-coreCPU,14-coreGPU,32GB,1TB661-21272,10-coreCPU,14-coreGPU,32GB,2TB661-21273,10-coreCPU,14-coreGPU,32GB,4TB661-21274,10-coreCPU,14-coreGPU,32GB,8TB661-21275,10-coreCPU,16-coreGPU,16GB,512GB661-21276,10-coreCPU,16-coreGPU,16GB,1TB661-21277,10-coreCPU,16-coreGPU,16GB,2TB661-21278,10-coreCPU,16-coreGPU,16GB,4TB661-21279,10-coreCPU,16-coreGPU,16GB,8TB661-21280,10-coreCPU,16-coreGPU,32GB,512GB661-21281,10-coreCPU,16-coreGPU,32GB,1TB661-21282,10-coreCPU,16-coreGPU,32GB,2TB661-21283,10-coreCPU,16-coreGPU,32GB,4TB661-21284,10-coreCPU,16-coreGPU,32GB,8TB

661-21285,10-coreCPU,24-coreGPU,32GB,512GB

661-21286,10-coreCPU,24-coreGPU,32GB,1TB

661-21287,10-coreCPU,24-coreGPU,32GB,2TB

661-21288,10-coreCPU,24-coreGPU,32GB,4TB

661-21289,10-coreCPU,24-coreGPU,32GB,8TB

661-21290,10-coreCPU,24-coreGPU,64GB,512GB

661-21291,10-coreCPU,24-coreGPU,64GB,1TB

661-21292,10-coreCPU,24-coreGPU,64GB,2TB

661-21293,10-coreCPU,24-coreGPU,64GB,4TB

661-21294,10-coreCPU,24-coreGPU,64GB,8TB

661-21295,10-coreCPU,32-coreGPU,32GB,512GB

661-21296,10-coreCPU,32-coreGPU,32GB,1TB

661-21297,10-coreCPU,32-coreGPU,32GB,2TB

661-21298,10-coreCPU,32-coreGPU,32GB,4TB

661-21299,10-coreCPU,32-coreGPU,32GB,8TB

661-21300,10-coreCPU,32-coreGPU,64GB,512GB

PartName Number

Logicboard(continued) 661-21301,10-coreCPU,32-coreGPU,64GB,1TB661-21302,10-coreCPU,32-coreGPU,64GB,2TB661-21303,10-coreCPU,32-coreGPU,64GB,4TB661-21304,10-coreCPU,32-coreGPU,64GB,8TB

Topcasewithbatteryandkeyboard

ReadtheImportantalertbelowtoensurethatyouorderthecorrecttopcase.

661-21972,spacegray

661-21973,silver

Trackpadconnectorcowling 923-06891

Trackpadflexcable includedwithareplacementtrackpad

Trackpad 661-23551,spacegray

661-23552,silver

Display 661-21970,spacegray

661-21971,silver

Important

TheEnglish(US)topcasepartnumberbeginswith661.Otherregionaltopcasepartnumbersalsobegin

with661,buttheyincludealanguageprefix.Forexample,theItaliantopcasepartnumberbeginswith

T661.Todeterminethecorrectlanguageprefix,

\h

identifyyourkeyboardlanguagebycountryorregion

.

Thenidentifythecorrectcountrycodefromthelanguageprefixlistbelow:

AB Arabic

B British

GRGreek

RS Russian

BGBulgarian

H NorwegianBokmal

C CanadianFrench

HBIsraeli

S Swedish

SF SwissFrench

CHChinese(Pinyin)

IS Icelandic

SL Slovak

CR Croatian

J Japanese

CZCzech

KHKorean

T Italian

TA Chinese(Zhuyin)

D German

LA LatinAmerica

TH Thai

DKDanish

MGHungarian

E WesternSpanish

N Dutch

TQ Turkish-Q

TU Turkish-F

F French

POPortuguese

RORomanian

Z EnglishInternational

MacBookPro(14-inch,2021)

Screws

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10

Screws

?

?

?

Caution

Saveundamagedscrewsandcowlingsforreassembly.

Notethelocationofscrewsandcowlingsduringremoval.Thenorganizethemtoensurethat

youreinstalltheminthecorrectlocation.

Bothovertightenedscrewsandloosescrewscandamageparts.

923-06849

Torx?T5

BMU(1)

923-06853

TorxT5

Displayhingecovers(4)

923-06850

TorxT5

Vent/antennamodule,corners(2)

923-06854

TorxT3

Audioboardconnectorcowling(2)

Displayconnectorcowlings(4)

Lidanglesensorconnectorcowling(2)

MagSafe3board

connectorcowling(2)

USB-Cboardconnectorcowlings(5)

923-06851

TorxT3

Antennacoaxialcablecowling(2)

Antennacoaxialcablegroundingclip(1)

Trackpadflexcablecowling(2)

923-06866

Pentalobe

Bottomcase,front,silver(4)

923-06852

1IPR

Lidanglesensorflexcableclip(1)

923-06867

Pentalobe

Bottomcase,rear,silver(4)

923-06868

923-06869

923-06928

923-06929

Pentalobe

TorxPlus2IP

TorxT5

Pentalobe

Bottomcase,front,spacegray(4)

Bottomcase,rear,spacegray(4)

MagSafe3setscrews(2)

Fan(2)

923-06930

TorxT3

Fan(1)

923-06935

TorxT3

Fan(5)

923-06936

TorxT5

Audioboard,short(1)

923-06937

TorxT5

Audioboard,long(1)

923-06938

TorxT5

923-06940

TorxT3

923-06941

TorxT5

923-06942

TorxT3

USB-Cboards(6)

TouchIDboard

Y-shapedcowling(2)

Trackpad(10)

TouchIDboardflexiblecowling,center(2)

923-06955

TorxT3

923-06959

TorxT5

923-07032

TorxT5

923-07033

1IPR

TouchIDboardflexiblecowling,outer(4)

MagSafe3board(2)

Vent/antennamodule,middle(4)

Vent/antennamodule(9)

923-07035

TorxT6

Logicboard,topcorners(2)

923-07036

TorxT6

Logicboard,SDXC(1)

923-07037

TorxT5

Logicboard,bottomcorners(2)

923-07038

TorxT5

Logicboard,bottomcenter(2)

923-07039

TorxT5

923-07040

TorxT5

923-07042

TorxT8

923-07046

TorxT3

Logicboard,center(4)

Logicboard(3)

Displayhinges(6)

TouchIDboardconnectorcowling(2)

MacBookPro(14-inch,2021)

Tools

?2022AppleInc.Allrightsreserved.

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Tools

923-07179

4mmhexnutdriver

923-02995

Adjustabletorquedriver(10–34Ncm)

923-01322

Antennatool

923-06086

Batterycover

Microterrypolishingcloth

923-01368

Cut-resistantgloves

EarPodswith3.5mmheadphoneplug

ESDmat

ESD-safecleaningsolution

ESD-safetweezers

ESDwriststrapwithcliporplug

Fire-proofenclosure

923-02998

Gapoffsetkit

Heat-resistantgloves

922-1731

Kaptontape

923-01803

Keycaplever

Magnetizer

Needle-nosepliers

922-5065

Nylonprobe(blackstick)

923-0731

Pentalobescrewdriver

Permanentmarker

923-01800

Precutadhesivestrips(1x0.5)

923-01801

Precutadhesivestrips(1x1)

Safetyglasseswithsideshields

Sand1

Sandcontainer2

Stickynotes(3by3inches)

923-8252

Suctioncups

922-0448

Torquedriver(blue,

0.65kgfcm)

923-06752

TorxPlus2IP44mmhalf-moonbit

923-0247

Torxsecuritybit

923-02996

TorxT5bit

TorxT3screwdriver

TorxT5screwdriver

TorxT6screwdriver

TorxT8screwdriver

923-03032

TouchIDalignmentkit

661-06670

USB-Cchargecable

661-23656

USB-CtoMagSafe3cable

1Clean,dry,untreatedsand(8–10cups)

2Sandcontainer(wide-mouthed,quickpour,nonbreakableplasticcontainerwithaflip-toplid)

MacBookPro(14-inch,2021)

BatterySafety

?2022AppleInc.Allrightsreserved.

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BatterySafety

Warning

Thisdevicecontainsabuilt-inlithium-ionrechargeablebatterywithsoftbatterycells.Battery

Onlytechnicianswiththeknowledge,experience,andtoolsrequiredtorepairelectronic

safetyisthenumberoneconcernwhenrepairingadevicewithabuilt-inlithium-ionbattery.

Improperbatteryreplacement,improperhandlingofparts,failuretodischargethebattery

devicesshouldreplaceabattery.

beforerepair,orfailuretofollowtheprovidedinstructionscouldcausebatteryoverheating,

swelling,venting,leaking,orabatterythermalevent.Theseeventscouldresultinfire,injury,

Toavoidthesepotentiallyharmfulevents,followthebatterysafetyguidelinesandworkin

death,dataloss,ordamagetothedevice,parts,orotherproperty.

asafety-focusedworkspacewiththetoolslistedbelow.It’simportanttobepreparedforall

possibleoutcomes.

Howtosetupaworkspaceforbatterysafety

Tools

Clean,dry,untreatedsand(8–10cups)

Sandcontainer(wide-mouthed,quickpour,nonbreakableplasticcontainerwithaflip-toplid)

Heat-resistantgloves

Safetyglasseswithsideshields

ESD-safecleaningsolution

Fireproofenclosure

WorkspacesusedtorepairAppledevicesshouldmeetthefollowingcriteria:

Nonflammableandelectrostaticdischarge(ESD)-safeworkbench

Atleast2feetawayfrompaperandothercombustiblematerials

Sandcontainerwithinreach(2feet)ononesideoftheworkspace,notabovetheworkspace

Adequateventilation

Within20feetofafireproofenclosure.Don’tstorecombustibleorflammablematerialsintheenclosure.Ensurethattheenclosureremainsempty.

Warning

Howtohandleabatterythermalevent

Abatterythermaleventisarapidchemicalchainreactionthatoccursinsideabatterycell.Theenergystoredinthebatteryisreleasedsuddenly,whichcancauseoutgassingandfire.Abatterythermaleventcanbetriggeredbyphysicaldamagetothebattery,improperreplacementorrepair,ortemperaturesoutsidethebattery’soperatingrange.

Actimmediatelyifyounoticeanyofthefollowingsignsofabatterythermalevent:

Thelithium-ionbatteryoradevicethatcontainsonebeginstosmokeoremitsparksorsoot.

Thebatterypouchsuddenlyandquicklypuffsout.

Thelithium-ionbatteryoradevicethatcontainsonebeginstoemithissingorpoppingsounds.

Dosmotherthebatteryordeviceimmediatelywithplentyofclean,drysand.Dumpthesandallatonce.Timingiscritical—thefasteryoupourallthesand,thesoonerthereactionwillbecontained.

Docontactlocalfireauthoritiesiffurtherassistanceisneeded.

Doleavetheroomfor30minutesafterthereactioniscontained.Ventilatethearea.Don’treturnuntiltheareaisclearofsmoke.

Dowait30minutesbeforetouchingthedevice.Weartheheat-resistantglovesandsafetyglasseswithsideshieldstoremovethedevicefromthesand.Thenplacethedeviceintothefireproofenclosure.Leaveitintheenclosureforatleast2hours.

Dowipetheaffectedareawithwaterfirst.ThenwipetheareawithanESD-safecleaningsolution.

Dodisposeofthedamagedbatteryordevice(includinganydebrisremovedfromthesand)accordingtolocalenvironmentallawsandguidelines.

Howtohandlebatteries

Dischargethebattery

Warning

Fullydischargethebatterybeforeyoubeginarepair.Adischargedbatteryislesssusceptibletoa

batterythermalevent.Ifyoucan’tdeterminethebatterylevel,don’trepairthedevice.

Thefollowingactionswillhelptodischargethebattery:

Disconnectthepowercable.

Increasedisplaybrightnesstothehighestsetting.

TurnonWi-FiandBluetooth.

OpentheFaceTimeapporPhotoBoothapptoturnonthecamera.

Playavideofromthelocaldriveorastreamingservice.

Useabatterycover

Avoiddamagingthebatterybyperformingthefollowingactions:

Immediatelyafterremovingthebottomcase,followtheinstructionstoattachthebatterycoveranddisconnectthebatteryfromthelogicboard.

Alwayskeepthebatterycoveronthebatterywhenit’sexposed.

Onlyremovethebatterycoverimmediatelybeforeyouinstallthebottomcase,unlessotherwiseinstructed.

Bestpractices

Toavoidnoxiousfumesorabatterythermalevent,don’tpuncture,strike,orcrushalithium-ionbatteryoradevicethatcontainsone.

Keepyourworkspaceclearofforeignobjectsandsharpmaterials.

Becarefulwhenusingsharptoolsnearthebattery.

Don’tleaveloosescrews,extrascrews,orsmallpartsinsidethedevice.

Don’tusetoolsthatconductelectricity.

Don’tthrowordropthebattery.

Don’texposethebatterytoexcessiveheatorsunlight,ortemperaturesoutsidethebattery’soperatingrange.

Handleanddisposeofwastebatteriesinaccordancewithlocallawsandregulations.

MacBookPro(14-inch,2021)

FirstSteps

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FirstSteps

Alwaysperformthefollowingstepsbeforestartingarepair:

\h

BackuptheMac

.

IfreplacingthelogicboardorTouchIDboard,turnoffFindMyMac.ChooseAppleMenu>SystemPreferences>AppleID.SelectiCloudinthesidebar.ThendeselecttheFindMyMaccheckbox.Ifyou’reunabletoaccesstheApplemenu,continueperformingthefollowingsteps.

Dischargethebatteryfully

.

\h

TurnofftheMac

.

IfyouwereunabletoturnoffFindMyMacfromtheApplemenu,goto

\h

iC/find

onadifferentdevice.SelectAllDevices.Selectthedeviceyouwanttoremove.ThenselectRemovefromAccount.

Unplugthepowercablefromtheelectricaloutlet.Keepthepowercableunpluggedwhilethedeviceisbeingrepaired.

Disconnectallcables.

Removeallcasesandcovers.

Clearandcleanyourworkspace.

PutonanESDwriststrapandattachittoaproperlygroundedESDmat.

ESD(electrostaticdischarge,orthereleaseofstaticelectricity)candamageelectronic

Caution

components.

Beawareofthefollowingwhileperformingarepair:

Themanualforthismodelmayshowimagesofothermodels,buttheproceduresarethesame.Ensurethatyouusethecorrecttoolsforthemodelyou’rerepairing.

Takeyourtime.Thoroughlyreadallinstructionsandalerts.

Magnetizingthescrewdriverswillmakeiteasiertoworkwithsmallscrews.

UseonlyKaptontapetosecurecablesandkeepthemoutofthewaywhenremovingandreinstallingparts.

Theendofeachflexcablemustalignwithitsconnector.Presstheendofeachflexcabletoitsconnectoruntilitclickstoensurethatit’ssecure.

Warning

Avoiddamagingthebatterybyperformingthefollowingactions:

Immediatelyafterremovingthebottomcase,followtheinstructionstoattachthebattery

coveranddisconnectthebatteryfromthelogicboard.

Alwayskeepthebatterycoveronthebatterywhenit’sexposed.

Setasideallpartsandscrewsremovedduringtherepairandaccountforthemattheendof

Onlyremovethebatterycoverimmediatelybeforeyouinstallthebottomcase,unless

therepair.

otherwiseinstructed.

MacBookPro(14-inch,2021)

Keys|BeforeYouBegin

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Keys

BeforeYouBegin

Beforeyourepairorreplaceakey,youneedto:

Knowthedifferentkeyparts—reviewtheexplodedviewonthispage.

Identifyyourkeyboarddesign

.

Identifywhichtypeofkeyyou’rereplacing

.

Determineduringthekeycapremovalprocedurewhetheryouneedtoalso

replacethekey’s

scissormechanism

.

Keyexplodedview

Keycap

Metalhooks

(upper)

Metalhooks

(lower)

SnapsHinges

Scissorpins

Scissormechanism

ScissorpinsDome

Tools

Compressedair

ESD-safetweezers

Keycaplevers(Somelinkbarkeycapsrequiretwokeycapleversforremoval)

Microterrypolishingcloth

Needle-nosepliers

Nylonprobe(blackstick)

Precutadhesivestrips(1x0.5)

Precutadhesivestrips(1x1)

Cleanthekeyboardthoroughlywithcompressedairbeforeyoureplaceamissingkeycaporakeycaponanunresponsivekey.

Theadhesiveontheprecutadhesivestripsthatyou’llusetoremovekeycapsisverystrong.

Caution

Ifyouaccidentallyplacethekeycapleveronthewrongkeycap,youmustremoveandreplace

Anadhesivestripcanbeusedonlyonce.Youmustbereplacetheadhesivestripforevery

thatkeycap.

keycapremoval.

Alwaysreplaceakeycapthatyouremovedwithanewone.Don’treusekeycaps.

Usegentlepressureonthekeycaptoactivatetheadhesive.Donotbendthetopcasewhen

youpressthekeycapleverontothekeycap.

Ifakeycapreplacementdoesn’tresolvetheissue,replacethetopcase.

Important

Beforeyoureplaceakeycap,inspectthescissormechanism,thedome,andthemetalhooksinside

thewellofthekeycap:

Ensurethatthescissormechanismisinstalledinthewellofthekeycap.Ifnot,

installa

Usetheblacksticktogentlymovethescissormechanismupanddown(1).Verifythatthe

replacementscissormechanism

.

scissormechanismmoveseasilyandliesflatwhenreleased.Ifitdoesnot,

replacethescissor

Pressandreleasethedome(2)—itshouldspringbackupright.Ifthedomeisdamagedornot

mechanism

.

centered,replacethetopcase.

Ifalowerhookisbent(3),trytobenditbacktoa90-degreeangle.

Ifanupperhookisbent(4),useneedle-noseplierstostraightenit.

Ifanylowerhookorupperhookisbrokenorbentbeyondrepair,replacethetopcase.

MacBookPro(14-inch,2021)

Keys|KeyboardIdentification

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Keyboardidentification

DetermineyourkeyboarddesignbycomparingyourReturnkeytotheimages:

ANSI

ISO

JIS

MacBookPro(14-inch,2021)

Keys|KeyIdentification

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25

KeyIdentification

1x1Keys

1x0.5Keys

LinkBarKeys

MacBookPro(14-inch,2021)

Keys|1x1Keys

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1x1Keys

Maps

The1x1keysarehighlighted,andthebluebarsshowthelocationofsnaps.

ANSI

ISO

JIS

MacBookPro(14-inch,2021)

1x1Keys|Removal

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Removal

Peelthefrostedlinerfromonesideofthe1x1precutadhesivestrips.Pressandholdthelargeendofthekeycapleverontheadhesivefor10seconds.

Liftthekeycapleverandtheadhesivetoseparatethemfromthewhiteliner.

Lightlypressthelargeendofthekeycapleverandtheadhesiveontothekey.

Important

Thearrowonthelevermustpointtothehingedsideofthekeycap,whichisoppositeofthe

sidethatsnapsontothekeyboard.

Usethemapforthe1x1keystoidentifythelocationofeachsnap.

OntheJISkeyboard,thesnapsforthe1x1CapsLockkeyareonthedisplaysideofthekeycap.

Holdthekeycapleveronthekeyfor10secondstoactivatetheadhesive.

Tiltupthekeycapleverinthedirectionofthearrowuntilyoufeelthesnapsrelease.

Caution

Toavoiddamagingthe

scissormechanism,don’t

tiltupthekeycapmore

than20degrees.

Liftthekeycapoffthekeyboard.

Usetheblacksticktogentlymovethescissormechanismupanddown.Ensurethatthescissormechanismmoveseasilyandliesflatwhenreleased.Ifitdoesnot,

replacethescissor

mechanism

.

Inspectthewellofthekeycap:

Usetheblacksticktopressandreleasethedomethroughthetopofthescissormechanism—thedomeshouldspringbackupright.Ifthedomeisdamagedornotcentered,replacethetopcase.

Ifalowerhookisbent,trytobenditbacktoa90-degreeangle.

Ifanupperhookisbent,useneedle-noseplierstostraightenit.

Ifanylowerhookorupperhookisbrokenorbentbeyondrepair,replacethetopcase.

Usecompressedairtocleanthewellofthekeycap.

Note:Ifcompressedairdoesn’tdislodgevisibledebris,usetheblacksticktogentlydislodgeit.

Removethekeycapandadhesivefromthekeycaplever.Discardthekeycapandadhesive.

MacBookPro(14-inch,2021)

1x1Keys|Reassembly

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073-00326-A

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30

Reassembly

Gentlypushthehingedsideofthereplacementkeycapintothehingedsideofthewellata15-degreeangleuntilthehingesengage.

Gentlypressthetopofthekeycaptoengagethesnaps.

Tapthekeyrepeatedlytocheckthatitspringsbackeachtime.Comparetheresponseofthereplacementkeycapwiththeresponseofthekeycapsaroundit.

Ifthekeycapdoesn’tappeartobecorrectlyinstalled,repeatallremovalandreassemblystepswithanewkeycap.

MacBookPro(14-inch,2021)

Keys|1x0.5Keys

?2022AppleInc.Allrightsreserved.

073-00326-A

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31

1x0.5Keys

Maps

TheArrowkeysarehighlighted,andthebluebarsshowthelocationofsnaps.

ANSI

ISO

JIS

MacBookPro(14-inch,2021)

1x0.5Keys|Removal

?2022AppleInc.Allrightsreserved.

073-00326-A

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34

Removal

Important

Thehingesofthebottom-rowarrowkeysareontheleft.Pointthearrowonthekeycaplever

ThehingesoftheUpArrowkeyandEscapekeyareontheright.Pointthekeycapleverarrow

towardtheleft.

towardtheright.

Peelthefrostedlinerfromonesideofthe1x0.5precutadhesivestrips.Press

andholdthesmallendofthekeycapleverontheadhesivefor10seconds.

Liftthekeycapleverandtheadhesivetoseparatethemfromthewhiteliner.

Lightlypressthesmallendofthekeycapleverandtheadhesiveontothekey.

Important

Pointthearrowonthe

levertowardthehinged

sideofthe