TK-3118

©2001-8PRINTEDINJAPANB51-8576-00(S)668TK-3118GENERAL..................................................................2REALIGNMENT.........................................................3CIRCUITDESCRIPTION.........................................11SEMICONDUCTORDATA.......................................17DESCRIPTIONOFCOMPONENTS........................19TERMINALFUNCTION...........................................21PARTSLIST.............................................................22EXPLODEDVIEW...................................................29PACKING.................................................................30ADJUSTMENT.........................................................31PCBOARDVIEWSDISPLAYUNIT(X41-3583-00)............................37TX-RXUNIT(X57-6243-00)................................39SCHEMATICDIAGRAM..........................................51BLOCKDIAGRAM..................................................55LEVELDIAGRAM...................................................57BC-20,PB-40,PB-41,BT-12...................................58SPECIFICATIONS................................BACKCOVERHelicalAntenna(T90-0759-05)Knob(ENC)(K29-5443-03)TK-3118CONTENTSKnob(VOL)(K29-5442-03)UHFFMTRANSCEIVER/UHFFM手持机SERVICEMANUAL/维修手册Keytop(DTMF)(K29-9028-13)Cabinetassy(Front)(A02-3559-13)Keytop(DIAL,SCAN)(K29-9026-13)Panelassy(A62-0932-03)Knob(PTT,MONI)(K29-9027-03)2TK-3118TK-260:K,K2INTRODUCTIONSCOPEOFTHISMANUALThismanualisintendedforusebyexperiencedtechniciansfamiliarwithsimilartypesofcommercialgradecommunicationsequipment.Itcontainsallrequiredserviceinformationfortheequipmentandiscurrentasofthepublicationdate.ChangeswhichmayoccurafterpublicationarecoveredbyeitherServiceBulletinsorManualRevisions.Theseareissuedasrequired.ORDERINGREPLACEMENTPARTSWhenorderingreplacementpartsorequipmentinformation,thefullpartidentificationnumbershouldbeincluded.Thisappliestoallparts:components,kits,orchassis.Ifthepartnumberisnotknown,includethechassisorkitnumberofwhichitisapart,andasufficientdescriptionoftherequiredcomponentforproperidentification.PERSONALSAFETYThefollowingprecautionsarerecommendedforpersonalsafety:•DONOTtransmituntilallRFconnectorsareverifiedsecureandanyopenconnectorsareproperlyterminated.•SHUTOFFandDONOToperatethisequipmentnearelectricalblastingcapsorinanexplosiveatmosphere.•Thisequipmentshouldbeservicedbyaqualifiedtechnicianonly.SERVICEThisradioisdesignedforeasyservicing.Refertotheschematicdiagrams,printedcircuitboardviews,andalignmentprocedurescontainedwithin.GENERAL/概述目录目录目录目录目录概述.............................................................................2模式组合......................................................................3电路说明....................................................................11半导体数据................................................................18元件说明....................................................................19端子功能....................................................................21零件表.......................................................................22部件分解图................................................................29包装...........................................................................30调整...........................................................................31PC板视图显示单元(X41-3583-00).......................................37发射－接收单元(X57-6243-00).............................39原理图.......................................................................51方块图.......................................................................55电平图.......................................................................57BC-20,PB-40,PB-41,BT-12......................................58规格........................................................................背面DestnationNumberofCHRFpoweroutputC505W/2W引言本手册的范围本手册是提供给熟悉通信专业并且具有维修经验的技术人员使用的。它包括了维修该设备所需要的全部资料和现行出版日期。在出版后可能发生变动，如果需要，可以使用《维修通报》或《手册修订本》进行补充。替换零件的订购当订购替换零件或设备信息时，应注明完整的零件识别号码。所有的零件均有识别号码：元件、组件或机壳。如果不知道零件的号码，为了正确地识别，必须注明此元件所属的机壳或组件的号码，并对元件进行充分的说明。个人安全为了个人的安全，请注意下列事项：•在没有认真核实所有射频插头之前或有任何一个打开的插头没有连接到相应端子上的情况下，均不要发射。•在电爆管附近或在易燃性气体环境中，必须关掉电源，不要操作本设备。•本设备只应该由有资格的技术人员来维修。维修服务为了便于维修本设备，建立了完整的维修服务体系，提供了包括原理图、印刷线路板图和调整步骤在内的资料供参考。型式信道号码射频功率输出C505W/2W3TK-3118TK-260:K,K2REALIGNMENT/模式组合MODEFUNCTIONUserModeFornormaluse.SelfProgrammingYoucanProgramtheRFfrequency,ModeQT/DQTandotherfunctionsusingonlytheradio.WirelessCloneModeUsedtotransferprogrammingdatafromoneradiotoanother.PCModeUsedforcommunicationbetweentheradioandaPC2.ModesSelfProgrammingModeUserModeWirelessCloneModePCMode2.模式模式类型功能用户模式用于一般操作。自台编程模式只用手持对讲机便可编程发射接收频率、QT/DQT和其它功能。无线复制模式用于从一个手持机编程数据复制到另一个手持机。计算机模式用于手持机与计算机之间的通信。qqqqqPower（电源）开关／Volume（音量）控制器按顺时针方向转动时，接通对讲机的电源。旋转调节音量。关闭对讲机电源时，按逆时针方向旋转到底。指示灯发射中时点亮红色，接收中时点亮绿色。接收符合对您的对讲机设定的代码静噪、选择呼叫代码或者DTMF信号中时，闪烁橙色。在发射中电池电压变低时闪烁红色。当电池电压降低时闪烁红色。eeeee旋转编码器旋转选择频道。进行调节电平设定时，也配合其他功能使用。rrrrrPTT（按下通话）开关按下后对着麦克风讲话进行发射。tttttMONI（监听）键根据如何对本键的编程，按下后监听选择的频道。此外也与FUNC键配合使用变更频道QT代码。yyyyyDIAL（拨号）键用于存储、确认、发射和删除DTMF号码。此外也与FUNC键配合使用锁定对讲机的键。uuuuuFU