Vertex_VXR-9000_UHF_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 STANDARDRack Mount RepeaterUS Headquarters10900 Walker Street,Cypress,CA 90630.U.S.A.YAESU EUROPE B.V.VXR-9000(UHF)P.O.Box 75525,1118 ZN Schiphol,The NetherlandsYAESU UK LTD.Unit 12,Sun Valley Business Park,Winnall CloseService ManualWinchester,Hampshire,SO23 OLB.U.K.VERTEX STANDARD HK LTD.Unit 5,20/F.,Seaview Centre,139-141 Hoi Bun Road,Kwun Tong,Kowloon,Hong KongC2003 VERTEX STANDARD CO.,LTD.EC044U90AIntroductionThis manual provides the technical information necessary for servicing the VXR-9000 Rack Mount Repeater.Servicing this equipment requires expertise in handing surface-mount chip components.Attempts by non-qualifiedpersons to service this equipment may result in permanent damage not covered by the warranty,and may be illegal insome countries.Two PCB layout diagrams are provided for each double-sided board in this transceiver.Each side of the board isreferred to by the type of the majority of components installed on that side("Side A"or"Side B").In most cases oneside has only chip components(surface-mount devices),and the other has either a mixture of both chip and leadedcomponents(trimmers,coils,electrolytic capacitors,ICs,etc.),or leaded components only.As described in the pages to follow,the advanced microprocessor design of the VXR-9000 allows a complete align-ment of this transceiver to be performed without opening the case of the radio;all adjustments can be performed fromthe personal computer,using with the Vertex Standard VPL-1 Programming Cable and CE60 Software.While we believe the information in this manual to be correct,Vertex Standard assumes no liability for damage thatmay occur as a result of typographical or other errors that may be present.Your cooperation in pointing out anyinconsistencies in the technical information would be appreciated.ContentsSpecifications.A-1Board Units (Schematics,Layouts Parts)DSUB 15-pin Accessory Connector.......B-1MAIN Unit..H-1Exploded View Miscellaneous Parts ............C-1CNTL Unit.I-1Block Diagram..D-1PANEL Unit....J-1Connection Diagram....E-1PA Unit......K-1Circuit Description....-1REG UnitL-1Alignment…,G-1SUB Unit........M1