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1、VERTEXSTANDARDCO.,LTD.4-8-8Nakameguro,Meguro-Ku,Tokyo153-8644,JapanVERTEXSTANDARDUSHeadquarters10900WalkerStreet,Cypress,CA90630,U.S.A.InternationalDivision8350N.W.52ndTerrace,Suite201,Miami,FL33166,U.S.A.YAESUEUROPEB.V.P.O.Box75525,1118ZNSchiphol,TheNetherlandsYAE
2、SUUKLTD.Unit12,SunValleyBusinessPark,WinnallCloseTechnicalSupplementWinchester,Hampshire,SO230LB,U.K.VERTEXSTANDARDHKLTD.Unit5,20/F.,SeaviewCentre,139-141HoiBunRoad,©2003VERTEXSTANDARDCO.,LTD.EH015M90AKwunTong,Kowloon,HongKongIntroductionThismanualprovidesthetechni
3、calinformationnecessaryforservicingtheVX-2RVHF/UHFUltra-CompactDual-BandTransceiverwithWideBandCoverage.Servicingthisequipmentrequiresexpertiseinhandingsurface-mountchipcom-ponents.Attemptsbynon-qualifiedpersonstoservicethisequipmentmayresultinpermanentdamagenotcov
4、eredbythewarranty,andmaybeillegalinsomecountries.TwoPCBlayoutdiagramsareprovidedforeachdouble-sidedboardinthistrans-ceiver.Eachsideoftheboardisreferredtobythetypeofthemajorityofcompo-nentsinstalledonthatside(“SideA”or“SideB”).Inmostcasesonesidehasonlychipcomponents
5、(surface-mountdevices),andtheotherhaseitheramixtureofbothchipandleadedcomponents(trimmers,coils,electrolyticcapacitors,ICs,etc.),orleadedcomponentsonly.Asdescribedinthepagestofollow,theadvancedmicroprocessordesignoftheVX-2Rallowsacompletealignmentofthistransceivert
6、obeperformedwithoutopeningthecaseoftheradio;alladjustmentscanbeperformedfromthefrontpanel,usingthe“AlignmentMode”menu.Whilewebelievetheinformationinthismanualtobecorrect,VERTEXSTAN-DARDassumesnoliabilityfordamagethatmayoccurasaresultoftypographicalorothererrorsthat
7、maybepresent.Yourcooperationinpointingoutanyincon-sistenciesinthetechnicalinformationwouldbeappreciated.ContentsSpecifications...........................................................................................................................................
8、.......................2ExplodedView&MiscellaneousParts..........................................................................................
