Kenwood-TK-2118-Service-Manual电路原理图.pdf

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1、 2001-8 PRINTED IN JAPANB51-8575-00 (S) 668VHF FM TRANSCEIVER / VHF FM手持机TK-2118SERVICE MANUAL / 维修手册GENERAL. 2REALIGNMENT . 3CIRCUIT DESCRIPTION . 11SEMICONDUCTOR DATA . 17DESCRIPTION OF COMPONENTS . 19TERMINAL FUNCTION . 21PARTS LIST. 22EXPLODED VIEW . 29PACKING . 30ADJUSTMENT. 31PC BOARD VIEWSDIS

2、PLAY UNIT (X41-3583-00) . 37TX-RX UNIT (X57-6233-00) . 39SCHEMATIC DIAGRAM . 51BLOCK DIAGRAM . 55LEVEL DIAGRAM . 57BC-20, PB-40, PB-41, BT-12 . 58SPECIFICATIONS . BACK COVERHelical Antenna(T90-0757-05)Knob(ENC)(K29-5443-03)TK-2118CONTENTSKnob(VOL)(K29-5442-03)Key top(DIAL, SCAN)(K29-9026-13)Knob(PTT

3、, MONI)(K29-9027-03)Cabinet assy(Front)(A02-3512-13)Key top(DTMF)(K29-9028-13)Panel assy(A62-0932-03)2TK-2118TK-260 :K, K2INTRODUCTIONSCOPE OF THIS MANUALThis manual is intended for use by experienced techniciansfamiliar with similar types of commercial gradecommunications equipment. It contains all

4、 required serviceinformation for the equipment and is current as of thepublication date. Changes which may occur after publicationare covered by either Service Bulletins or Manual Revisions.These are issued as required.ORDERING REPLACEMENT PARTSWhen ordering replacement parts or equipmentinformation

5、, the full part identification number should beincluded. This applies to all parts : components, kits, orchassis. If the part number is not known, include the chassis orkit number of which it is a part, and a sufficient description ofthe required component for proper identification.PERSONAL SAFETYTh

6、e following precautions are recommended for personalsafety : DO NOT transmit until all RF connectors are verified secureand any open connectors are properly terminated. SHUT OFF and DO NOT operate this equipment nearelectrical blasting caps or in an explosive atmosphere. This equipment should be ser

7、viced by a qualifiedtechnician only.SERVICEThis radio is designed for easy servicing. Refer to theschematic diagrams, printed circuit board views, andalignment procedures contained within.Destnation Number of CH RF power outputC505W/2W型式 信道号码 射频功率输出C50 5W/2WGENERAL / 概述目录目录目录目录目录概述 . . 2模式组合 . 3电路说明

8、 . 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 (X57-6233-00) . 39原理图 . 51方块图 . 55电平图 . 57BC20, PB40, PB41, BT-12 . 58规格 . 背面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

9、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。3TK-2118TK-260 :K, K2REALIGNMENT/ 模式组合MODE FU

10、NCTIONUser Mode For normal use.Self Programming You can Program the RF frequency,Mode QT/DQT and other functions using onlythe radio.Wireless Clone Mode Used to transfer programming datafrom one radio to another.PC Mode Used for communication between theradio and a PC2. ModesSelf Programming ModeUse

11、r Mode Wireless Clone Mode PC Mode2.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。q Power（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。w LED 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

12、色。当电池电压降低时闪烁红色。e 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。r PTT（按下通话）开关按下后对着麦克风讲话进行发射。t MONI（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。y DIAL（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。u FUNC（功能）键按下或者按住本键开启对讲机键的其他功能。i SCAN（扫描）键按下本键开始或者停止扫描功能。此外也与 FUNC 键配合q ewrtuyoi!0!1123A456B789C0 DDIALLOWSCA

13、NFUNCVHFFM TRANSCEIVER MODEL TK-2118PTTMONIMICSP扬声器-麦克风天线1. 各部分介绍使用，暂时将频道闭锁在扫描之外，并且设定对讲机的显示屏照明灯的条件。o LOW 键按下本键切换输出功率的高和低。也可以同时使用 FUNC键设定静噪电平和 VOX 增益。!00000 DTMF（双音多频）键盘用于存储和发射 DTMF 号码。!11111 MIC-SP 插孔连接另购的扬声器麦克风。图标 说明监听频道时出现（静噪关闭）。当选择的频道包括在扫描序列中时显示。扫描闭锁的频道不显示本图标。显示工作频率或频道数码、选单设定以及其他功能选择。根据所选择的机能，显示各

14、种数字。当倒频功能接通时显示。当 VOX 功能接通时显示。接收时，该条形显示表示呼叫信号的强度（条形越多，信号越强）。发射时，表示电池电压（条形越多，电池的剩余电量越多）。按下 FUNC 键进入功能模式后显示。使用低功率发射时显示。 显示屏注： 以上未说明的图标在本对讲机中不使用。4TK-2118TK-260 :K, K23. How to enter each modeMODE PROCEDUREUser Mode Power ONSelf Programming MONI + DIAL + POWER ONMode (More than 2 sec)Wireless Clone mode

15、MONI + LOW + POWER ON(More than 2 sec)PC Mode received commands from PC4. Self Programming modeAfter entering self-programming Mode, the radio allows 3types of operation:Function setting / Channel setting / All ResetWhen self-programming is disable through using the FPU, selfprogramming mode cannot

16、be turned ON.1) Function settingYou can program 3 settings.Operation:After entering Self-Programming Mode Press the SCAN key.The LCD changes toIf your radio is programmed with the selective call function,the LCD changes to (1).When you press the PTT switch after setting the data, youcontinue to the

17、next item. (Refer to page 7 item 5)Selecting the setting itemsDisplaySetting contents(Example)You can enter 3 digit code(000 to 999) using the DTMFkeys.This feature is available onlywhen “Selective Call“ hasbeen activated in the radio.OFF: No, ON: YesThis item is selected usingthe channel selector.S

18、etting the Selective CallCode (3 Digit)Setting the BEEP ON or OFFSetting the MONI KeyAssignment( 000 0 )( ON 1 )( 0 2 )0: Squelch OFF,1: Monitor Toggle,2: Monitor Momentary,OFF: OFFYou can select fromamong the above settings.This item is selected usingthe channel selector.3.如何进入每一种模式模式类型 操作步骤用户模式 电源

19、ON自台编程模式 MONIDIAL电源ON (高于2秒)无线复制模式 MONILOW电源ON (高于2秒)计算机模式 从计算机接收指令REALIGNMENT/ 模式组合4.自台编程模式进入自台编程模式后，手持机允许三类操作：功能设置/信道设置/全部复位当使用FPU设置禁止自台编程时，便不能进入自台编程模式。1) 功能设定您可编程三个设置。操作：进入自台编程模式后按SCAN键。LCD变为如果您的手持机编程选择呼叫功能，则LCD变为 (1)。当您在设置数据后按下PTT开关，您便可继续到下一个项目。（请翻阅7页项目5）选择设置项目显示设置内容(例如)您可使用DTMF键输入3位代码（000-999）。

20、只有当“选择呼叫功能”已在手持机中设定有效时该功能才可用。OFF: 否, ON: 是该项目使用信道选择器选择。设置选择呼叫编码。(3位数字)设置峰鸣声ON或OFF设置监听MONI按键赋值( 000 0 )( ON 1 )( 0 2 ) 0: 静噪关闭，1: 监听器触发,2: 监听器瞬时,OFF: 关您可从上述设置中选择。该项目使用信道选择器选择。000 0 ON 1Item number(1) (2)or000 0 ON 1(1) (2)5TK-2118TK-260 :K, K22) Channel settingOperation:After entering Self-Programmin

21、g Mode Press the LOW key.The LCD changes to CH 1 1When you press the PTT switch after setting the data, youcan continue to the next Item. (Refer to page8 item 6)REALIGNMENT/ 模式组合2) 信道设定操作：进入自台编程模式后按LOW键。LCD变为 CH 1 1当您在设置数据后按下PTT开关，您便可继续到下一项。（请翻阅8页项目6）选择设置项目显示设置内容(例如)信道范围1-50。设置信道编号当未设置信道号时，将不选择以下项目。

22、(CH 1 1 )Selecting the setting itemsDisplaySetting contents(Example)Channel range from 1 to50.Setting the channel numberWhen a channel number is notset, the following items will notbe selected.(CH 1 1 )Blank100.00000MHz549.99500MHz(VHF: 5kHz(Default) /6.25kHz Step)1Default (C): 150.000MHz(C2): 140.0

23、00MHzSetting the receive QT/DQTWhen a channel number is not set,this item will be skipped.( 2 )( OFF 3 )OFFQT(QT frequenciestable)2: 67.0Hz 250.3HzDQT(DQT Normal/Inverse table)2: 023 754 Normal settingDQT(DQT Normal/Inverse table)2: -023 -754 Inverse settingSetting the receive frequencyWhen a receiv

24、e frequency is notset (“blank“ is set), the followingitems will not be selected. (Itemnumbers 3 to 12 are not selected.)When “blank“ is set, you will returnto “setting the channel number“.Setting the transmit frequency Same asRX Display(This is itemnumber “4“.)Same content as “Settingthe received fr

25、equency“Setting the transmit QT/DQTWhen a transmit frequency is notset, this item will be skipped.Same asRX Display(This is itemnumber “5“.)Same content as“Setting the receive QT/DQT“(150.000 2 )(q 100.0 3 )( d 023 3 )( d -023 3 )Setting the option signalling0: None 1: DTMFSetting the BUSY CH Lockou

26、t(BCL)OFF: OFF 1: Carrier2: QT/DQT 3: DTMFFor setting number“3“(DTMF), if of OptionSignaling is changed from“DTMF“ to “None“ before theBCL setting is entered, theBCL setting contents will beautomatically set to “OFF“(OFF).Setting the Beat Shiftfunction ON or /OFFOFF: No ON: YesSetting Scan DELETE /

27、ADD del: Scan DELETEAdd: Scan ADDSetting Wide / Narrow 0: Narrow 1: WideSetting the SP UnmuteWhen option signaling is setto “0“ (None), this item will beskipped.0: Carrier or QT/DQT1: Carrier + DTMF or QT/DQT + DTMFFor setting number “1“(Carrier + DTMF or QT/DQT +DTMF), if Option Signaling ischanged

28、 from “DTMF“ to“None“ before the SP Unmutesetting item is entered, the SPUnmute setting contents willbe automatically set to “0“(Carrier or QT/DQT).Setting the transmit power H: High powerL: Low power( 0 6 )( OFF 7 )( OFF 8 )( Add 9 )( 0 10 )( 0 11 )( H 12 )1 Step change for setting the frequencyMHz

29、 step: Routed the Channel selector while pressing the1 key.5kHz or 6.25kHz step: Press the SCAN key设置接收频率当未设置接收频率时(设置为“空 白“)，将不选择以下项目。(不选择项目编号3-12。)当设置为“空白“时，您将返回到“设置信道号“。( 2 )(150.000 2 )空白100.00000MHz549.99500MHz(VHF: 5kHz(缺省) /6.25kHzStep)*1缺省 (C): 150.000MHz(C2): 140.000MHz设置接收 QT/DQT当未设置信道号时，该项

30、目将跳过。( OFF 3 )OFFQT(QT 频率表)*2:67.0Hz 250.3HzDQT(DQT 正常/反向表)*2:023 754 正常设置DQT(DQT 正常/反向表)*2:-023 -754 反向设置( q 100.0 3 )( d 023 3 )( d -023 3 )设置发射频率与接收显示相同(该项目号为编号“4“.)与 “接收频率 “ 内容相同。设置传送 QT/DQT当未设置发射频率时，该项目将跳过。与接收显示相同(该项目号为编号“5“.)与 “设置接收 QT/DQT “内容相同。设置可选信令 0: 无 1: DTMF设置繁忙信道锁定 (BCL) OFF: 关 1: 载波2:

31、 QT/DQT 3: DTMF对于设置 “3“ (DTMF)，如果在输入BCL设置之前可选信令设置从 “DTMF“变为“无“，则BCL设置内容将自动设置为 “OFF“(关)。设置差拍偏移功能ON或OFFOFF: 否 ON: 是设置扫描删除添加扫描del: 扫描删除Add: 扫描添加设置宽窄带 0: 窄带 1: 宽带设置SP不静音当选择信令的选择被设置到“0“ (无)时，该项目将跳过。0: 载波或 QT/DQT1: 载波 + DTMF或QT/DQT + DTMF对于设置编号“1“(载波+DTMF或QT/DQT+DTMF)，如果在输入S P 不静音设置项目之前可选信令设置从“DTMF“变为 “无“

32、，则SP不静音设置内容将自动设置为“0“ (载波或QT/ DQT)。设置发射功率H: 高功率L: 低功率( 0 6 )( OFF 7 )( OFF 8 )( Add 9 )( 0 10 )( 0 11 )( H 12 )1 设置频率的步进MHz档：按下1键的同时确定信道选择器的方向。5kHz或6.25kHz档: 按下SCAN键6TK-2118TK-260 :K, K2REALIGNMENT/ 模式组合2 QT/DQT frequency tableOFF/ QT/ DQT: Press the LOW keyDQT Normal/ Inverse: Press the DIAL key2 QT

33、/DQT频率表OFF/ QT/ DQT: 按下LOW键DQT正常/反向: 按下DIAL DQT table (83 codes) Normal/ Inverse / DQT (83 代码) 正常/反向表 QT frequencies (39 frequencies table) / QT频率 (39个频率表）QT Frequency HzNo.频率Hz1 67.02 69.33 71.94 74.45 77.06 79.77 82.58 85.49 88.510 91.5QT Frequency HzNo.频率Hz11 94.812 97.413 100.014 103.515 107.216

34、 110.917 114.818 118.819 123.020 127.3QT Frequency HzNo.频率Hz21 131.822 136.523 141.324 146.225 151.426 156.727 162.228 167.929 173.830 179.9QT Frequency HzNo.频率Hz31 186.232 192.833 203.534 210.735 218.136 225.737 233.638 241.839 250.3023 114 174 315 445 631025 115 205 331 464 632026 116 223 343 465

35、654031 125 226 346 466 662032 131 243 351 503 664043 132 244 364 506 703047 134 245 365 516 712051 143 251 371 532 723054 152 261 411 546 731065 155 263 412 565 732071 156 265 413 606 734072 162 271 423 612 743073 165 306 431 624 754074 172 311 432 6277TK-2118TK-260 :K, K2MONI+DIAL+POWER ON(2sec) /S

36、elf programming modeSCANFUNCSelective call ID0-9 key /PTTFUNCBeep settingCH Selector /PTTFUNCMONI key assignment000 to 999 / OFF:BEEP OFF / ON:BEEP ON / 0:Squelch OFF / 1:Monitor Toggle / 2:Monitor Momentary / OFF: no key function / PTTFUNCPTTCH Selector /SELF000 0ON 10 2ENDdisplay信道选择器信道选择器REALIGNM

37、ENT/ 模式组合5. Function setting / 功能设定Notes: If you radio is not programmed with the selective callfunction, the Selective call ID setting will be skipped.注释: 如果您的手持机未选择呼叫编码功能，则选择呼叫ID码设置将被跳过。8TK-2118TK-260 :K, K2Self programming modeSelect channel 1 to 50 channel 选择信 1至 50Select RX frequency*选择接收频率选择发射

38、频率选择发射信令选择接收信令Select RX signallingSelect TX frequency*Select TX signalling0: None / 无1: DTMF / DTMFOFF: off / 关1: Carrier / 载波 2: QT/DQT3: DTMFOFF: no shift / 不偏移On: shift / 偏移Add: Scan ADD 添加扫描Del: Scan DEL 删除扫描0: Narrow /窄1: Wide /宽0: Carrier or QT/DQT 载波或QT/DQT1: Carrier+DTMF or QT/DQT+DTMF载波+DTM

39、F或QT/DQT+DTMF H: High Power / 高功率L: Low Power / 低功率PTTPTTPTTPTTPTTPTTPTTPTTPTTPTTPTTPTTPTTLOWCH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Selector /信道选择器CH Select

40、or /信道选择器Channel select150.000 2CH 1 1SELFdisplayq 67.0 3q 67.0 50 6150.000 4OFF 7OFF 8Add 9 0 10 0 11 H 12 ENDRX frequencyRX signalingFUNCFUNCFUNCFUNCFUNCFUNCFUNCFUNCFUNCFUNCFUNCFUNCFUNCTX signalingTX freguencyOption signalingBusy channel lockoutSP Un muteBeat ShiftWide/NarrowScan DEL /ADDTX Power

41、HI/LOWUP Channel自台编程模式MONI+DIAL+POWER ON (2sec) /信道选择接收频率接收信令发射频率发射信令可选信令繁忙信道封闭射频功率 高低 SP不静音宽/窄删除/ 添加扫描拍频偏移优先信道监听 +拨号 +电源ON (2秒 )Note:注释:1. RX TX Frequency set设置接收发射频率MHz step Press the 1 key and turn the Channel SelectorMHz 档nullnullnull 按下 1 键并旋转信道选择器5kHz/6.25kHz step Press the SCAN key5kHz/6.25kH

42、z 档null 按下 SCAN 键*6.25KHz step indicationclear/default Press LOW key清除缺省nullnullnull 按下 LOW 键2. RX TX signalling set设置接收发送信令OFF QT DQT select Press the LOW keyOFF QT DQT 选择null 按下 LOW 键DQT Normal / Inverse Press the DIAL keyDQT 正常反向null 按下 DIAL 键. 000. 006. 0125. 018. 025. 031. 0375OFF 3 q 67.0 3 d 023