Yaesu FT3DR Technical Supplement

Also see for FT3DE: Operating manual Manual Instruction manual Instruction manual Operating manual

SpecificationsExploded View & Miscellaneous PartsBlock DiagramAlignmentBoard Unit (Schematics, Layouts & Parts)RF UnitCNTL UnitCABLE UnitCautionRisk of explosion if battery is replaced by an incorrect type.Dispose of used batteries according to the instructions.C4FM/FM 144/430 MHzDual Band Digital TransceiverFT3DR/FT3DEIntroductionThis manual provides the technical information necessary forservicing the FT3DR/FT3DE 144/430 MHz Dual Band DigitalTransceiver.Servicing this equipment requires expertise in handing surface-mount chip components. Attempts by non-qualified personsto service this equipment may result in permanent damage notcovered by the warranty, and may be illegal in some countries.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.ContentsTECHNICAL SUPPLEMENTEH072M90B©2019 YAESU MUSEN CO., LTD.Important NoteThis transceiver was assembled using Pb (lead) free sol-der, 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 stated above utilizes the alloy composition re-quired for compliance with the lead-free specification, andany solder with the above alloy composition may be used.