FTM-100DR_Dualband-Transceiver_维修手册含电器原理图-EN

YAESU厂9■coTechnical Supplement144/430 MHz 50 W Dual-Band TransceiverFTM-100DR/DEEH048M90B2017 YAESU MUSEN CO..LTD.IntroductionContentsThis manual provides the technical information necessary forservicing the FTM-100DR/DE 144/430 MHz 50 W Dual BandSpecificationsTransceiver.Exploded ViewServicing this equipment requires expertise in handing surface-Block Diagrammount chip components.Attempts by non-qualified personsAlignmentto service this equipment may result in permanent damage notBoard Unit(Schematics,Layouts Parts)covered by the warranty,and may be illegal in some countries.MAIN UnitTwo PCB layout diagrams provided for each double-sidedPANEL Unitboard in this transceiver.Each side of the board is referred toby the type of the majority of components installed on that sidePANEL SUB Unit("Side A"or "Side B").In most cases one side has only chipDSP Unitcomponents,and the other has either a mixture of both chip andleaded components (trimmers,coils,electrolytic capacitors,ICs,etc.),or leaded components only.While we believe the information in this manual to be correct,YAESU assumes no liability for damage that may occur as aresult of typographical or other errors that may be present.Yourcooperation in pointing out any inconsistencies in the technicalinformation would be appreciated.Important NoteThis transceiver was assembled using Pb (lead)free solder,based on the RoHS specification.Only lead-free solder(Alloy Composition:Sn-3.0Ag-0.5Cu)should be used for repairs performed on this apparatus.The solder statedabove utilizes the alloy composition required for compliance with the lead-free specification,and any solder with the above alloy com-position may be used.