6270_schematics

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1、ServicNeSchematicsOKIAIntroduction6270ExplodedviewandcomponentdisposalIMPORTANT:RM-56ThisdocumentisintendedforusebyauthorizedNOKIAservicecentersonly.“ServiceSchematics”wascreatedwithfocusoncustomercare.ThepurposeofthisdocumentistoprovidefurthertechnicalrepairinformationforNOKIAmobilepho

2、nesonLevel3/4serviceactivities.Itcontainsadditionalinformationsuchase.g.“Componentfinder”,“Frequencybandtable”or“Antennaswitchtable”.The“Signaloverview”pagegivesagoodandfastoverviewaboutthemostimportantsignalsandvoltagesonboard.Savingprocesstimeandimprovingtherepairqualityistheaimofthis

3、document.ItistobeusedadditionallytotheservicemanualandothertrainingorserviceinformationsuchasServiceBulletins.Allmeasurementsweremadeusingfollowingequipment:NokiarepairSW:Phoenixversion2005.20.7.98Oscilloscope:FlukePM3380A/BSpectrumAnalyzer:AdvantestR3162withananalogprobeRF-Generator/GS

4、MTester:Rhode&SchwarzCMU200Multimeter:Fluke73SeriesIIWhileeveryendeavourhasbeenmadetoensuretheaccuracyofthisdocument,someTableofContentsPageerrorsmayexist.Ifthereaderfindsanyerrors,NOKIAshouldbenotifiedinwriting.Frontpage1PleasesendE-Mailto:trtraining.sace@nokia.comAudio2RETU3TAHVO4RAPG

5、SM,Combomemory,Camera5UI6BT,FMradio7RFpart8Signaloverview9Componentfinder10Copyright©NOKIAThismaterial,includingdocumentationandanyrelatedcomputerprogramsisprotectedbycopyright,controlledbyNOKIA.Allrightsarereserved.Copying,includingreproducing,modifying,storing,adaptingortranslatingany

6、orallofthismaterialrequiresthepriorwrittenconsentofNOKIA.Thismaterialalsocontainscompanyconfidentialinformation,whichmaynotbedisclosedtootherswithoutthepriorwrittenconsentofNOKIA.CustomerCare/Service&SupportReadiness/ContentCreationManagementCopyright©2005NOKIAOnlyfortrainingandservicep

7、urposesVersion:1.002.11.20056270RM-56Boardversion:1kz_12aFrontpagePage1(10)L20002ATAHVOCHARGERC2000C2001V2000220R/100MHzF200027p1u0R2000GND220RC20022u2R2001BGF100VccRETUXAUDIO(7:0)GND1k00HOOKDET1n0MeasJ20021MICB22MIC2PL20013MIC2N2k21n01n0EXC24CB102U4XEARLC200333n4150R5XEARLCCha