Vertex_VX-1210_维修维护电器原理图手册

Vertex StandardVERTEX STANDARD CO.,LTD.4-8-8 Nakameguro,Meguro-Ku,Tokyo 153-8644,JapanVERTEX STANDARDVX-1210Intemational Division8350 N.W.52nd Termace,Sute 201,Miami,FL 33166,U.SA.YAESU EUROPE B.V.P.O.Box 75525,1118 ZN Schiphol,The NetherlandsService ManualYAESU UK LTD.Unt 12,Sun Valley Business Park,Wimall CloseWinchester,Hamoshire.SO23 0LB.U.K.VERTEX STANDARD HK LTD.2001 VERTEX STANDARD CO.,LTD.Printed in JapaneeinRadIntroductionThis manual provides technical information necessary for servicing the VX-1210 Transceiver.Servicing this equipment requires expertise in handling surface-mount chip components.Attempts by non-qualified persons toservice this equipment may result in permanent damage not covered by the warranty,and may be illegal in some countries.Two PCB layout diagrams are provided for each double-sided circuit board in the transceiver.Each side of thr board is referredto by the type of the majority of components installed on that side("leaded"or"chip-only").In most cases one side has only chipcomponents,and the other has either a mixture of both chip and leaded components(trimmers,coils,electrolytic capacitors,ICs,etc.),or leaded components only.While we believe the technical information in this manual to be correct,VERTEX STANDARD assumes no liability for damagethat may occur as a result of typographical or other errors that may be present.Your cooperation in pointing out any inconsistenciesin the technical information would be appreciated.ContentsOperating Manual Reprint..................2Board Unit(Schematics,Layouts Parts)Specifications10MAIN Unit..…29Installation Manual Reprint....................11CNTL Unit…45SEL-1200(Option）.11PA Unit.......57Display Unit.....65ATU-1210(Option)….12ConnectionDSV-1200(0pti0n）.14MIC-CONN Unit...68Exploded View Miscellaneous Parts ....15BATT-CONN Unit .....69Block Diagram..7TUNER Unit (ATU-1210:Option).....1SELCALL Unit (SEL-1200:Option).4Interconnection Diagram.18Circuit Description.19