Kenwood TK-3000 Service Manual
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Kenwood TK-3000 Service Manual

Uhf fm transceiver
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See also: Instruction Manual , Quick Manual
UHF FM TRANSCEIVER / UHF
TK-3000
SERVICE MANUAL /
C6 version / C6
Helical antenna
天线
(T90-1098-05)
Knob (PTT)
按钮 (PTT)
(K29-9489-13)
Button knob (Side)
钮扣按钮 ( 侧面 )
(K29-9490-13)
Plastic cabinet assy
机壳
(A02-4135-03)
This product complies with the RoHS directive for the European market.
调频手持对讲机
维修手册
版本
Knob(Selector)
旋钮（选择器）
(K29-9488-03)
Knob (Volume)
旋钮（音量）
(K29-9487-03)
© 2011-5 PRINTED IN JAPAN
B51-8978-00 ( Y )
无铅焊接通信产品
保护环境建伍领先
注意∶本产品是无铅化焊接产品
在维修时请使用无铅焊锡
和相应的焊接工具
详细事项请访问如下网址了解 :
http://www.kenwoodhk.com.hk/
This product uses Lead Free solder.

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  • Page 1 调频手持对讲机 UHF FM TRANSCEIVER / UHF TK-3000 维修手册 SERVICE MANUAL / 版本 C6 version / C6 © 2011-5 PRINTED IN JAPAN B51-8978-00 ( Y ) Knob(Selector) 旋钮（选择器） (K29-9488-03) Knob (Volume) 旋钮（音量） (K29-9487-03) Helical antenna 天线 (T90-1098-05) Knob (PTT) 按钮 (PTT)

  • Page 2: Table Of Contents

    的信息而导致的损害负责。Kenwood 公司保留出于改进的需要 for errors or omissions. Neither is any liability assumed for 而随时对文中的产品信息做出更改的权利。 damages resulting from the use of the information contained herein. Kenwood reserves the right to make changes to any products herein at any time for improvement purposes.
  • Page 3 TK-3000 GENERAL / 概述 引言 INTRODUCTION 本手册的范围 SCOPE OF THIS MANUAL 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 This manual is intended for use by experienced techni- 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 cians familiar with similar types of commercial grade com- 版日期。在出版后可能发生变动，如果需要，可以参照《维 munications equipment. It contains all required service 修通报》或《手册修订本》进行补充。...

  • Page 4: System Set-Up

    频率范围 (MHz) 射频功率 类 型 Choose the type of transceiver TX/RX 350~390 4.0W TK-3000 C6 选择手持对讲机的类型 A personal computer, programming interface (KPG-22A/22U), Transceiver programming and FPU (programming software) are required for programming. 手持对讲机编程 (The frequency, TX power HI/LOW, and signaling data are programmed for the transceiver.)
  • Page 5 TK-3000 REALIGNMENT / 模式组合 2. 如何进入每一种模式 2. How to Enter Each Mode 模 式 功 能 Mode Operation 用户模式 接通电源 User mode Power ON PC 模式 从计算机接收指令 PC mode Received commands from PC 复制模式 [PTT]+[ 侧面 ]+ 接通电源 (2 秒钟 )
  • Page 6 TK-3000 REALIGNMENT / 模式组合 使用 KPG-22U 时，请在电脑上安装附带的 CD-ROM( 带有驱 When using the KPG-22U, install the supplied CD-ROM 动程序 )。KGP-22U 驱动程序可以在 Windows XP、Vista 或 7 (with driver software) in the computer. The KPG-22U driver 下运行。 runs under Windows XP, Vista or 7.
  • Page 7 TK-3000 REALIGNMENT / 模式组合 KPG-22A or KPG-22U or KPG-22A+KCT-53U KPG-22A 或 KPG-22U 或 KPG-22A+KCT-53U Illustration is KPG-22A. 插图为 KPG-22A。 D-SUB 9 针 (9-pin / KCT-53U KPG-22A KPG-22U KPG-137D KPG-22A (ver. 1.10 or later) Transceiver Transceiver Transceiver (ver.1.10 或更高版本 ) 手持对讲机...

  • Page 8: Realignment

    TK-3000 REALIGNMENT 注意 ： Note: • The Model name and Market codes must be the same in 机型和市场代码必须相同才能复制手持对讲机。 • order to clone the transceiver. 如果手持对讲机复制模式被设置为“无效” ，则手持对讲 • • If the transceivers clone mode is confi gured as “Disabled”, 机不能进入复制模式。 the transceiver cannot enter clone mode.

  • Page 9: Disassembly For Repair

    TK-3000 DISASSEMBLY FOR REPAIR / 维修拆卸 1. 从机架上分离外壳 1. Separating the Case Assembly from the Chassis 1. 取下两旋扭 ( a )。 1. Remove the two knobs ( a ). 2. 取下两颗螺钉 ( b )。 2. Remove the two screws ( b ).
  • Page 10 TK-3000 DISASSEMBLY FOR REPAIR / 维修拆卸 2. 拆卸收发单元 2. Removing the TX-RX unit from the Chassis 1. 取下橡胶垫 ( e )。 1. Remove the packing ( e ). 2. 取下 13 颗螺钉 ( f )。 2. Remove the 13 screws ( f ).

  • Page 11: Circuit Description

    TK-3000 CIRCUIT DESCRIPTION / 电路说明 1. 频率构成 1. Frequency Confi guration 接收部采用二次变频超外差方式。第一中频为 38.85M Hz， The receiver utilizes double conversion. The first IF is 第二中频为 450kHz。第一本振频率信号由锁相环电路提供。 38.85MHz and the second IF is 450kHz. The fi rst Local os- 发射部由锁相环电路直接产生所需的频率。 cillator is supplied from the PLL circuit.

  • Page 12: 电路说明

    TK-3000 CIRCUIT DESCRIPTION / 电路说明 2-2. 第一混频器 2-2. First Mixer 前端的信号与 PLL 电路产生的第一本振信号在 Q203 混频， The signal from the front end is mixed with the fi rst local 生成 38.85MHz 频率的第一中频信号。 oscillator signal generated in the PLL circuit by Q203 to pro- 生成的信号通过...
  • Page 13 TK-3000 CIRCUIT DESCRIPTION / 电路说明 3-2. 驱动器和末级放大器电路 3-2. Drive and Final Amplifi er Circuit 来自于 T/R 开关 (D100 ON) 的信号被预驱动放大器 (Q100) The signal from the T/R switch (D100 is on) is amplifi ed 放大到 30mW。 by the pre-drive amplifi er (Q100) to 30mW.
  • Page 14 TK-3000 CIRCUIT DESCRIPTION / 电路说明 D100 T/RSHF BUFF (TX: Low) RF AMP D200 To mixer TCXO PLUL LSDO IC400 DATA, CLOCK,PLDL Fig. 5 PLL block diagram / 图 5 PLL 方块图 5. 控制电路 5. Control Circuit 控制电路是由微处理器 ( IC400) 和外部电路构成。它控制...
  • Page 15 TK-3000 CIRCUIT DESCRIPTION / 电路说明 IC300 IC400 LSDO TCXO FADJ HSDO BEEP Fig. 6 Encode / 图 6 编码 6-2. 解码 6-2. Decode ■ QT/DQT ■ QT/DQT I F IC (IC200) 的 输 出 信 号 通 过 IC300 送 入 微 处 理 器...

  • Page 16: Semiconductor Data

    TK-3000 SEMICONDUCTOR DATA / 半导体数据 微处理器 : F2136ACNKDRB ( 收发单元 IC400) MCU: F2136ACNKDRB (TX-RX unit IC400) 管脚号 端口名称 输入 / 输出 功 能 Pin No. Signal Name Function 输出 未连接 VREF 基准电压 VREF Reference voltage input MODE 输入 选择模式 (MCU)

  • Page 17: Components Description

    TK-3000 SEMICONDUCTOR DATA / 半导体数据 管脚号 端口名称 输入 / 输出 功 能 Pin No. Signal Name Function LSDO 输出 低速数据 LSDO Low speed data output HSDO 输出 侧音 AF 输出 HSDO DTMF/beep output BATT 输入 电池电压输入 BATT Battery voltage input RSSI 输入...
  • Page 18 TK-3000 COMPONENTS DESCRIPTION / 元件说明 有关号码 零件名称 说 明 Ref. No. Part Name Description Q100 晶体管 预驱动放大器 Q100 Transistor Pre drive AMP Q101 场效应管 驱动放大器 Q101 Drive AMP Q102 场效应管 末级放大器 Q102 Final AMP Q103 晶体管 电压放电开关 Q103 Transistor Voltage discharge switch Q200 晶体管...

  • Page 19: Parts List

    TK-3000 PARTS LIST / 零件表 PARTS LIST PARTS LIST ✽ New Parts. indicates safety critical components. L : Scandinavia K : USA P : Canada Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) T : England E : Europe ✽...
  • Page 20 TK-3000 PARTS LIST / 零件表 PARTS LIST PARTS LIST TX-RX UNIT (X57-8100-23) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C124 CC73HCH1H271J CHIP C 270PF C240-242 CK73HB1H471K CHIP C 470PF...
  • Page 21 TK-3000 PARTS LIST / 零件表 PARTS LIST PARTS LIST TX-RX UNIT (X57-8100-23) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C342 CK73HB1C103K CHIP C 0.010UF K L101 L40-3375-71 SMALL FIXED INDUCTOR(33NH)
  • Page 22 TK-3000 PARTS LIST / 零件表 PARTS LIST PARTS LIST TX-RX UNIT (X57-8100-23) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R102 RK73HB1J222J CHIP R 2.2K 1/16W R305-308 RK73HB1J102J CHIP R 1.0K...
  • Page 23 TK-3000 PARTS LIST / 零件表 PARTS LIST PARTS LIST TX-RX UNIT (X57-8100-23) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R400 RK73HB1J472J CHIP R 4.7K 1/16W Q102 RD07MUS2BT112 R401 RK73HB1J102J CHIP R 1.0K...
  • Page 24 TK-3000 EXPLODED VIEW / 部件分解图 S400 Cx13 J301 J300 MIC300 VR500 CF200 S402 CD200 TX-RX unit A : N09-2438-05 B : N30-2606-48 C : N83-2005-48 / 编号大于 700 的零件未提供分解图。 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 25: Adjustment

    TK-3000 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 350 to 390MHz Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –47dBm/1mV Input Impedance 50Ω RF Power Meter Operation Frequency...

  • Page 26: 调 整

    TK-3000 调 整 调整所需的测试设备 测 试 设 备 主 要 规 格 频率范围 350 到 390MHz 标准信号发生器 (SSG) 调制 调频和外部调制 输出 -127dBm/0.1μV 到大于 -47dBm/1mV 输入阻抗 50Ω 功率计 操作频率 350 到 390MHz 测量范围 10W 左右 频偏仪 频率范围 350 到 390MHz 测量范围...
  • Page 27 TK-3000 调 整 ADJUSTMENT / 频率和信令 Frequency and Signaling 已经根据下表所示的频率调整了设置。需要时，按调整步 The transceiver has been adjusted for the frequencies 骤重新调整，以获得实际操作时想要的频率。 shown in the following table. When required, re-adjust them following the adjustment procedure to obtain the frequencies you want in actual operation.
  • Page 28 TK-3000 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) BATT terminal voltage: 7.5V 2) SSG standard modulation [Wide] MOD: 1kHz, DEV: 3kHz [Narrow] MOD: 1kHz, DEV: 1.5kHz 2.
  • Page 29 TK-3000 调 整 ADJUSTMENT 共通部分 测 量 调 整 项 目 条 件 规 格 ／ 备 注 测量装置 单元 端子 单元 部件 方 法 1. 设定 1)BATT 端子电压 :7.5V 2) 标准信号发生器调制 [ 宽 ] 调制 :1kHz, 频偏 :3kHz [ 窄 ] 调制...
  • Page 30 TK-3000 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Adj item: Low, High (2 points) TX-RX ANT Check 12dB SINAD or more Check SSG output: –115dBm SP/MIC [Narrow] (0.4µV)
  • Page 31 TK-3000 调 整 ADJUSTMENT 接收部分 测 量 调 整 项 目 条 件 规 格 ／ 备 注 测量装置 单元 端子 单元 部件 方 法 1. 灵敏度检查 1) 调整项目 : 低 , 高 (2 点 ) 收发 天线 检查 12dB SINAD 或更高...

  • Page 32: Pc Board

    TK-3000 印刷电路板 PC BOARD / TX-RX UNIT (X57-8100-23) Component side view (J79-0306-19) R367 R392 R360 C345 C523 C329 R393 C134 C139 C353 C517 C355 C326 R136 C316 R340 R329 Q103 C319 R377 R325 C317 C354 R324 R327 R389 R116 C525...
  • Page 33 TK-3000 印刷电路板 PC BOARD / TX-RX UNIT (X57-8100-23) Component side view (J79-0306-19) C411 R408 C514 – R509 C515 C502 MIC300 IC503 Q301 IC500 C312 R508 C513 C308 C505 R502 C504 D501 R505 R511 C145 R410 R409 Q500 C315 C159 C314...
  • Page 34 TK-3000 印刷电路板 PC BOARD / TX-RX UNIT (X57-8100-23) Foil side view (J79-0306-19) S401 S400 Side C300 CN103 C187 C176 C138 C136 C132 C128 C135 L108 C127 L111 L113 C271 L110 C250 C119 C116 C120 C270 D260 C269 C117 C247 R238...
  • Page 35 TK-3000 印刷电路板 PC BOARD / TX-RX UNIT (X57-8100-23) Foil side view (J79-0306-19) R106 C107 C113 R108 C105 R113 C110 C108 C114 R157 R102 Q102 R114 C112 C153 C150 C102 L100 C119 C100 C116 R100 C120 C117 L214 D100 C257 R223...

  • Page 36: Level Diagram

    TK-3000 LEVEL DIAGRAM / 电平图...

  • Page 37: Schematic Diagram

    TK-3000 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-8100-23) D101 L111 L112 FINAL Q102 HVC131 RD07MUS2BT112 L108 C127 D102 C131 C135 C137 180p 3.5p HVC131 R114 DRIVE PRI DRIVE Q101 R 1 0 2 C112 Hi:1.67V R: 0V RFM01U7P Lo:1.37V R:1.03V 2 .
  • Page 38 TX-RX UNIT (X57-8100-23) R:1.03V T:1.69V RF AMP D 1 0 0 RF BUFFER D2,3,5 0.75V FREQUENCY H S C 2 7 7 1.82V MODULATOR CONTROL R 3 3 TX/RX SW 4 7 k 2SC5636 C N 3 1 S V 3 2 5 F C 1 7 2SC5108(Y)F C 3 3...
  • Page 39 DRIVE PRI DRIVE Q 1 0 1 R 1 0 2 RFM01U7P C112 R: 0V 2 . 2 k 1.03V T:1.14V 220p 1.69V 2SC4926YD R 1 5 7 C 1 0 8 L 1 0 2 R 1 5 6 Q 1 0 0 1 2 n 1 2 p...
  • Page 40 TK-3000 SCHEMATIC DIAGRAM / 原理图 D101 L111 L112 FINAL HVC131 Q102 C127 D102 C131 C135 L108 C137 RD07MUS2BT112 180p HVC131 3.5p R114 Hi:1.67V C112 Lo:1.37V 220p D101,102,103, 105 CN103 (E23-1167-05) R: 0V ANT SW T:0.8V L110 L113 Temp compensation F101 Hi:3.71V...
  • Page 41 1 5 P oSCoUT C 2 7 16 R oSCIN DC SW 2 2 p I C 1 MB15E03SL-E1 R 1 9 1 0 k R 2 0 TCXO 1 0 k R 2 1 RT1N141U-T111 1 0 k VCoNT C 3 8 oUTPUT 2 2 p...
  • Page 42 Q 2 0 2 6 . 8 k 2 2 p C 2 2 1 C D 2 0 0 0 . 0 1 u KTC4080E-P L79-1914-05 CN200 R:4.93V CN201 T: 0V W/N SW CVDET CVDET RSSI RSSI LSDI WID/NAR PLDL PLDL DATA...
  • Page 43 470p D201,202,204 D260,261 BPF TUNING BPF TUNING R:4.93V T: 0V R409 Q401 PFKEY GREEN LEDG DC SW RT1N144U-T111 5MSC R410 GREEN LED RED LED 2 2 0 ON:5.0V ON:5.0V LEDG Q402 SPMUT SPMUT LEDR LEDR DC SW LEDG LEDR RT1N144U-T111 OPTDET S60-0447-05 I C 4 0 0...
  • Page 44 TK-3000 MEMO / 笔记...

  • Page 45: Block Diagram

    TK-3000 方块图 BLOCK DIAGRAM / X57-8100-23 MB15E03SL-E1 PLPS UHF: 311 PLDL DATA Q4 :MCH3914(7)-H 2SC5108(Y)F D2,3:1SV325F CLOCK RF BUFFER RT1N141U-T111 D5:HVC350B 3.3V REG D6:HVC350B Q3:2SC5383-T111 2SC5383-T111 Q2:RT1N141U-T111 TUNE D7:DA2S101 FUSE D4:HSC277 PLUL F500 3.15A 19.2MHz L77-3074-05 RIPPLE BATT+ SHIFT SW...
  • Page 46 TK-3000 BLOCK DIAGRAM / 方块图 UHF: 350MHz~390MHz UHF: 311.15MHz~351.15MHz (RX) 350MHz~390MHz (TX) D100,D200 Q101 Q102 D101,102,103,105 Q100 2SC5636 HSC277 RFM01U7P RD07MUS2BT112 HVC131 2SC4926YD TX/RX RF AMP PRE DRIVE DRIVE AMP FINAL AMP ANT SW RF SW POWC F101 FUSE 0.5A...

  • Page 47: Specifications

    Measurements made per China GB standard and specifi ca- 依据中国 GB 标准获得的测量值和所示规格均为典型值。 建伍公司有权变更技术规格，恕不预先通知。 tions shown are typical. Kenwood reserves the right to change specifi cations without prior notice or obligation. 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands CA 90801-5745, U.S.A.
  • Page 48 TK-3000 TK-3000 印刷电路板 PC BOARD / 印刷电路板 PC BOARD / TX-RX UNIT (X57-8100-23) Component side view (J79-0306-19) TX-RX UNIT (X57-8100-23) Component side view (J79-0306-19) C411 R367 R392 R408 R360 C345 C523 C329 C514 R393 C134 – R509 C515 C139 MIC300...
  • Page 49 TK-3000 TK-3000 PC BOARD / 印刷电路板 PC BOARD / 印刷电路板 TX-RX UNIT (X57-8100-23) Foil side view (J79-0306-19) TX-RX UNIT (X57-8100-23) Foil side view (J79-0306-19) S401 S400 Side C300 CN103 R106 C107 C113 R108 C105 C187 R113 C110 C108 C114 C176...
  • Page 50 TX-RX UNIT (X57-8100-23) D101 L111 L112 FINAL HVC131 Q102 C127 D102 C131 RD07MUS2BT112 L108 C135 C137 180p 3.5p HVC131 R114 DRIVE PRI DRIVE Q101 R 1 0 2 Hi:1.67V R: 0V RFM01U7P C112 Lo:1.37V R:1.03V 2 . 2 k T:1.14V 220p T:1.69V 2SC4926YD...
  • Page 51 X57-8100-23 UHF: 350MHz~390MHz MB15E03SL-E1 PLPS UHF: 311.15MHz~351.15MHz (RX) 350MHz~390MHz (TX) PLDL D100,D200 DATA Q4 :MCH3914(7)-H Q100 Q101 Q102 D101,102,103,105 2SC5108(Y)F 2SC5636 HSC277 RFM01U7P RD07MUS2BT112 HVC131 D2,3:1SV325F 2SC4926YD CLOCK RF BUFFER TX/RX RF AMP PRE DRIVE DRIVE AMP FINAL AMP ANT SW RF SW RT1N141U-T111 D5:HVC350B...

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