Chapter2.Importantserviceinformation
Thischapterpresentsthefollowingimportantserviceinformationthatappliestoallmachinetypessupported
bythismanual:
•“StrategyforreplacingFRUs”onpage19
–“Importantnoticeforreplacingasystemboard”onpage19
•“StrategyforreplacingFRUsforCTO,CMV,andGAV”onpage20
–“Productdefinition”onpage20
–“FRUidentificationforCTO,CMV,andGAVproducts”onpage20
Important:
•Advisecustomerstoaccesshttp://www.lenovo.com/supporttoviewthesoftwarefixesanddriver
downloadsforthetablet.Toinstallthem,advisecustomerstocalltheLenovo
®
CustomerSupportCenter.
TelephonenumbersforLenovoSupportCenterareavailableat:
http://www.lenovo.com/support/phone
•SystemdisassemblyandreassemblyvideosthatshowtheFRUremovalandreplacementproceduresfor
theLenovoauthorizedservicetechniciansareavailableat:
http://www.lenovoservicetraining.com/ion/
StrategyforreplacingFRUs
Beforereplacingparts:
UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:
•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstall
theoriginalFRUbeforeyoucontinue.
•Sometabletshavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,
reinstallthatboard,andthenreplacetheotherone.
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.
Attention:Thesetupconfigurationonthetabletyouareservicingmayhavebeencustomized.Running
AutomaticConfigurationmayalterthesettings.Notethecurrentconfigurationsettings(usingtheView
Configurationoption);then,whenservicehasbeencompleted,verifythatthosesettingsremainineffect.
Importantnoticeforreplacingasystemboard
Attention:Whenhandlingasystemboard:
•Donotdropasystemboardorapplyanyexcessiveforcetoit.
•Avoidroughhandlingofanykind.
•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBGA(BallGridArray)chipset.
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