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Chapter7.RemovingorreplacingaFRU
ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.
CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For
optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,
LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.Y oucanfindalistofCRUsforyourproduct
inthisHardwareMaintenanceManual.Anelectronicversionofthismanualisavailablefordownloadingat
http://www.lenovo.com/support.YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:
(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacement
CRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethedefective
partwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarranty
documentationforfulldetails.
Generalguidelines
WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:
1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertified.Anuntrainedpersonruns
theriskofdamagingparts.
2.BeforereplacinganyFRU,reviewChapter6“FRUreplacementnotices”onpage39.
3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.Anysuch
FRUsarelistedatthebeginningofineachFRUreplacementsection.Removethemintheorderin
whichtheyarelisted.
4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgiveninthedrawingsbythenumbers
insquarecallouts.
5.Whenturningascrew,turnitinthedirectionasgivenbythearrowinthedrawing.
6.WhenremovingaFRU,removeitinthedirectionasgivenbythearrowinthedrawing.
7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.
8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedures.
DANGER
BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,
removethebatterypack,andthendisconnectanyinterconnectingcables.
Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,
springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalflakescancauseelectrical
shortcircuits.
Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge.Before
touchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan
electrostaticdischarge(ESD)strap.
©CopyrightLenovo2012,2014
41
- HardwareMaintenanceManual 1
- FourthEdition(January2014) 2
- ©CopyrightLenovo2012,2014 2
- Contents 3
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- 6HardwareMaintenanceManual 12
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- Chapter1.Safetyinformation11 17
- 12HardwareMaintenanceManual 18
- .Safetyinformation13 19
- 14HardwareMaintenanceManual 20
- .Safetyinformation15 21
- 16HardwareMaintenanceManual 22
- .Safetyinformation17 23
- 18HardwareMaintenanceManual 24
- StrategyforreplacingFRUs 25
- Productdefinition 26
- 22HardwareMaintenanceManual 28
- Chapter3.Generalcheckout 29
- Powersystemcheckout 30
- Checkingthebuilt-inbattery 30
- .Generalcheckout25 31
- 26HardwareMaintenanceManual 32
- 8.1operatingsystems 34
- Supervisorpassword 37
- Symptom-to-FRUindex 38
- Numericerrorcodes 38
- Undeterminedproblems 39
- 34HardwareMaintenanceManual 40
- Chapter5.Locations 41
- Rearview 42
- LocatingFRUsandCRUs 42
- MajorFRUs 43
- LookingupFRUinformation 44
- Screwnotices 45
- 180degreesmore 46
- (Cross-section) 46
- Generalguidelines 47
- 1010TabletDigitizerPen 49
- 1020Basecoverassembly 49
- 1030Built-inbattery 50
- 1040Rear-facingcameraassembly 51
- 1050WirelessWANcard 52
- RemovalstepsofI/Ocable 56
- 50HardwareMaintenanceManual 56
- 1080Speakersassembly 57
- StepScrew(quantity)Color 58
- Black0.181Nm 58
- (1.85kgf-cm) 58
- 54HardwareMaintenanceManual 60
- Chapter8.Notices 61
- Electronicemissionnotices 62
- Trademarks 62
- *1P0B48975_03* 64
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