Kenwood TK-U100V Service Manual
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Kenwood TK-U100V Service Manual

Kenwood TK-U100V Service Manual

Vhf fm transceiver
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VHF FM TRANSCEIVER / VHF
TK-U100
SERVICE MANUAL /
Helical antenna
天线
(KRA-26: Option / 可选件)
(T90-1094-05)
Knob (PTT)
按钮(PTT)
(K29-9489-03)
Button knob (Side)
钮扣按钮(侧面)
(K29-9490-03)
Plastic cabinet assy
机壳
(A02-4135-03)
RoHS
This product complies with the
调频手持对讲机
V
(
)
维修手册
Knob (Selector)
旋钮（选择器）
(K29-9488-03)
Knob (Volume)
旋钮（音量）
(K29-9487-03)
directive for the European market.
© 2010-10 PRINTED IN CHINA
B51-8938-00 ( N )
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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Summary of Contents for Kenwood TK-U100V

  • Page 1 VHF FM TRANSCEIVER / VHF 调频手持对讲机 TK-U100 SERVICE MANUAL / 维修手册 © 2010-10 PRINTED IN CHINA B51-8938-00 ( N ) Helical antenna Knob (Selector) 天线 旋钮（选择器） (KRA-26: Option / 可选件) (K29-9488-03) (T90-1094-05) Knob (Volume) 旋钮（音量） (K29-9487-03) Knob (PTT) 按钮(PTT) (K29-9489-03) 无铅焊接通信产品...

  • 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 rors or omissions. Neither is any liability assumed for dam- 而随时对文中的产品信息做出更改的权利。 ages 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: General

    TK-U100 概述 GENERAL / 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 mu ni ca tions equipment. It contains all required service 修通报》或《手册修订本》进行补充。...

  • Page 4: System Set-Up

    TK-U100 系统体系 SYSTEM SET-UP / Merchandise received 接收订单 Frequency range (MHz) RF power Type 频率范围 (MHz) 射频功率 类型 Choose the type of transceiver TX/RX 144~174 5.0W TK-U100(V) C 选择手持对讲机的类型 A personal computer, programming interface (KPG-22/22A), Transceiver programming and FPU (programming software) are required for programming. 手持对讲机编程...

  • Page 5: Realignment

    TK-U100 模式组合 REALIGNMENT / 1. 模式 1. Modes 用户模式 User mode PC模式 数据编程模式 PC mode Data programming mode 复制模式 PC调谐模式 Clone mode PC tuning mode PC测试模式 PC test mode 模 式 功 能 Mode Function 用户模式 一般使用。 User mode For normal use. Used for communication between the trans- PC 模式...
  • Page 6 TK-U100 模式组合 REALIGNMENT / 2. 手持对讲机电源打开时，可以立即进入用户模式。P C 发送 2. When the POWER is switched on, user mode can be en- 指令时，手持对讲机进入 PC 模式。 tered immediately. When the PC sends a command, the 手持对讲机发送数据时，红色的 LED 点亮。 transceiver enters PC mode. 手持对讲机接收数据时，绿色的 LED 点亮。 When data is read from the transceiver, the red LED lights.
  • Page 7 TK-U100 模式组合 REALIGNMENT / 3-6. 使用 PC 编程 3-6. Programming with PC 如果使用 FPU 将数据从 PC 传输到手持对讲机，则每套手持 If data is transferred to the transceiver from a PC with the 对讲机的数据均可修改。 FPU, the data for each set can be modifi ed. 通过...
  • Page 8 TK-U100 模式组合 REALIGNMENT / 4. 复制模式 4. Clone Mode 用 SP/MIC 连接器连接手持对讲机，可以将编程数据从一台 Programming data can be transferred from one transceiv- 手持对讲机传输到另一台手持对讲机。 er to another by connecting them via their SP/MIC connec- 如下所述可进行复制（发射手持对讲机为主机，接收手持 tors. 对讲机为子机） 。 Cloning can be performed as described below (the trans- mit transceiver is the source and the receive transceiver is the target).

  • Page 9: Disassembly For Repair

    TK-U100 维修拆卸 DISASSEMBLY FOR REPAIR / 1. 从机架上分离外壳 1. Separating the Case Assembly from the Chassis 1. 取下两旋扭 (q)。 1. Remove the two knobs (q). 2. 取下两颗螺钉 (w)。 2. Remove the two screws (w). 3. 掀开外壳底部的左右两侧，取下机架，并外壳中取出 (e)。 3. Expand the right and left sides of the bottom of the case 4.
  • Page 10 TK-U100 维修拆卸 DISASSEMBLY FOR REPAIR / 2. 拆卸收发单元 2. Removing the TX-RX unit from the Chassis 1. 取下橡胶垫 (t)。 1. Remove the packing (t). 2. 取下 13 颗螺钉 (y)。 2. Remove the 13 screws (y). 3. 取下橡胶垫 (u) 和两个六角形螺母 (i)。 3.

  • Page 11: Circuit Description

    TK-U100 电路说明 CIRCUIT DESCRIPTION / 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 H z， 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. The PLL circuit in the transmitter generates the neces- sary frequencies.
  • Page 12 TK-U100 电路说明 CIRCUIT DESCRIPTION / 2-2. 第一混频器 2-2. First Mixer 前端的信号与 P L L 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-U100 电路说明 CIRCUIT DESCRIPTION / 3-2. 驱动器和末级放大器电路 3-2. Driver 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. 预驱动放大器的输出被驱动放大器...
  • Page 14 TK-U100 电路说明 CIRCUIT DESCRIPTION / D100 BUFF T/RSHF (TX: Low) RF AMP D200 To mixer TCXO PLUL LSDO DATA,CLOCK,PLDL IC400 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 ( I C400) 和外部电路构成。它控制 The control consists of the MCU (IC400) and its peripher- 收发单元。IC400 的主要功能如下...
  • Page 15 TK-U100 电路说明 CIRCUIT DESCRIPTION / IC400 IC300 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 I C ( I C200) 的 输 出 信 号 通 过 I C300 送 入 微 处 理 器 The output signal from IF IC (IC200) enters the MCU ( I C400)。I C400 确...

  • Page 16: Semiconductor Data

    TK-U100 半导体数据 SEMICONDUCTOR DATA / MCU: F2136ACNKDRB( 收发单元 IC400) MCU: F2136ACNKDRB (TX-RX unit IC400) 管脚号 接口名称 输入 / 输出 功 能 Pin No. Signal Name I/O Function 输出 未连接 VREF 基准电压 VREF Reference voltage input MODE 输入 选择模式 (MCU) MODE Mode select for MCU 输出...

  • Page 17: Components Description

    TK-U100 半导体数据 SEMICONDUCTOR DATA / 管脚号 接口名称 输入 / 输出 功 能 Pin No. Signal Name I/O 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-U100 元件说明 COMPONENTS DESCRIPTION / 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...

  • Page 19: Parts List

    TK-U100 零件表 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 : Eu rope ✽...
  • Page 20 TK-U100 零件表 PARTS LIST / TX-RX UNIT (X57-8093-00) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C129 CK73HB1H102K CHIP C 1000PF C303 CK73HB1C473K CHIP C 0.047UF C130 CC73GCH1H220J CHIP C 22PF C304...
  • Page 21 TK-U100 零件表 PARTS LIST / TX-RX UNIT (X57-8093-00) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C501,502 CK73HB1H102K CHIP C 1000PF RK73HB1J102J CHIP R 1.0K 1/16W C503 CK73FB1A475K CHIP C 4.7UF RK73HB1J103J...
  • Page 22 TK-U100 零件表 PARTS LIST / TX-RX UNIT (X57-8093-00) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R213 RK73HB1J102J CHIP R 1.0K 1/16W R354 RK73HB1J334J CHIP R 330K 1/16W R214 RK73HB1J681J CHIP R...
  • Page 23 TK-U100 零件表 PARTS LIST / TX-RX UNIT (X57-8093-00) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation D301 KDR731 DIODE D402 ✽ DA2S101 DIODE D500 GN1G DIODE D501 RB521S-30 DIODE MB15E03SL-E1 MOS-IC...

  • Page 24: Exploded View

    TK-U100 部件分解图 EXPLODED VIEW / S400 MIC300 CF200 Cx13 CD200 J301 J300 TX-RX unit VR500 S402 A : N09-2438-05 B : N30-2606-48 C : N83-2005-48 Parts with the exploded numbers larger than 700 are not supplied. / 编号大于 700 的零件未提供分解图。 If a part reference number is listed in a box on the exploded view of the PCB, that part does not come with the PCB.

  • Page 25: Adjustment

    TK-U100 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 136 to 174MHz 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 136 to 174MHz Measurement Range Vicinity of 10W...

  • Page 26: 调 整

    TK-U100 调 整 调整所需的测试设备 测　试　设　备 主　要　规　格 频率范围 136 到 174MHz 1. 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 2. 功率计 操作频率 136 到 174MHz 测量范围 10W 左右 3. 频偏仪 频率范围 136 到 174MHz 测量范围 直流 10mV 到 10V 4.
  • Page 27 TK-U100 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 frequen- cies you want in actual operation. ■测试频率...
  • Page 28 TK-U100 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-U100 调 整 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-U100 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 Check 12dB SINAD or more Check SSG output: –115dBm (0.4µV) [Narrow] SSG DEV: 1.5kHz SP/MIC Oscilloscope...
  • Page 31 TK-U100 调 整 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 [ 窄带...

  • Page 32: Pc Board

    TK-U100 印刷电路板 PC BOARD / TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09) 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 R218 R314 R313 R316...
  • Page 33 TK-U100 印刷电路板 PC BOARD / TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09) C411 R408 C514 – R509 C515 MIC300 C502 IC503 Q301 IC500 C312 R508 C513 C308 C505 R502 C504 D501 R505 R511 C145 R410 R409 Q500 C315 C159 C314 R326 F500 R318...
  • Page 34 TK-U100 印刷电路板 PC BOARD / TX-RX UNIT (X57-8093-00) Foil side view (J79-0305-09) S401 S400 Side C300 C138 C136 C132 L107 L105 C135 C127 L111 R139 C250 L110 C119 D103 C116 C120 C249 C117 D203 R236 C413 C415 Q204 R228 C302 R234 C244 C256...
  • Page 35 TK-U100 印刷电路板 PC BOARD / TX-RX UNIT (X57-8093-00) Foil side view (J79-0305-09) R106 C107 C113 R108 C152 C105 R113 C110 C108 C114 R102 Q102 R114 C112 C102 L100 C119 C100 C116 R100 C120 C117 D100 Q203 R217 C237 C232 R225 C228 L204 L203...

  • Page 36: Level Diagram

    TK-U100 电平图 LEVEL DIAGRAM /...

  • Page 37: Schematic Diagram

    TK-U100 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-8093-00) D101 L111 L112 FINAL L108 HVC131 Q102 C126 C127 D102 C131 C135 C137 RD07MUS2BT112 L105 L106 L107 1000p HVC131 1000p R114 PRI DRIVE DRIVE R102 Hi:1.67V C112 R: 0V 2.2k Q101 Lo:1.37V R:1.03V T:1.14V T:1.69V...
  • Page 38 TX-RX UNIT (X57-8093-00) R:1.03V T:1.69V RF AMP D100 RF BUFFER 0.75V HSC277 1.82V D2,3,4,6 TX/RX SW FREQUENCY MCH3914(7)-H 2SC5636 CONTROL 1SV325F 2SC5108(Y)F 56p (G) 12p (J) 1stLO 0.5p 0.1u 9p (B) 4.17V R:4.93V T: 0V MODULATOR 2SC5383-T111 100k 5.0V RT1N141U-T111 0.033u SHIFT RIPPLE FILTER...
  • Page 39 PRI DRIVE DRIVE R102 C112 R: 0V Q101 2.2k T:1.14V RFM01U7P 2SC4926YD C108 L102 Q100 1000p C100 C102 R155 1000p R: 0V R:0V Hi:1.49V T:4.27V T:0.57V X SW Lo:1.22V F101 Hi:3.71V 1stLO F53-0287-05 Lo:3.04V R: 0V T:4.86V CURDET CURDET POWC POWC 1stLO 1stLO...
  • Page 40 TK-U100 SCHEMATIC DIAGRAM / 原理图 D101 L111 L112 FINAL L108 HVC131 Q102 C126 C127 D102 C131 C135 C137 L105 L106 L107 RD07MUS2BT112 1000p 1000p HVC131 R114 Hi:1.67V C112 Lo:1.37V D101,102,103 ANT SW R: 0V T:0.8V L110 R139 Temp compensation F101 Hi:3.71V F53-0287-05 Lo:3.04V...

  • Page 41: Block Diagram

    LD/FoUT oSCoUT oSCIN DC SW MB15E03SL-E1 TCXO RT1N141U-T111 VCoNT oUTPUT L77-3074-05 (19.2MHz) PLPS DATA CURRENT CLOCK STEERING DACLD C311 R316 R322 R:4.93V D/A CONVERTER T: 0V AF FILTER IC303 LSD BUFFER R350 AoUT IC301 VIN7 VIN2 NJM12904RB1 BoUT A-IN C346 C324 R351 Vref...
  • Page 42 Q202 6.8k C221 CD200 0.01u KTC4080E-P L79-1914-05 CN200 CN201 R:4.93V T: 0V W/N SW CVDET CVDET RSSI RSSI LSDI WID/NAR PLDL PLDL DATA DATA CLOCK CLOCK PLUL PLUL PLPS PLPS DACLD DACLD LSDO T/RSHF WID: 0V NAR:5.0V VOXIN W/N SW WID/NAR Q305 R:4.93V...
  • Page 43 C250 D201,202 BPF TUNING BPF TUNING R:4.93V T: 0V R409 Q401 PFKEY GREEN LEDG DC SW RT1N144U-T111 5MSC R410 GREEN LED RED LED ON:5.0V ON:5.0V LEDG Q402 SPMUT SPMUT LEDR LEDR DC SW LEDG LEDR RT1N144U-T111 OPTDET S60-0447-05 IC400 S402 S3_A F2136ACNKDRB S3_C...
  • Page 44 TK-U100 笔记 MEMO /...
  • Page 45 TK-U100 方块图 BLOCK DIAGRAM / X57-8093-00 MB15E03SL-E1 VHF: 182.85M PLPS 144MHz PLDL DATA Q4: MCH3914(7)-H 2SC5108(Y)F D2,3: 1SV325F CLOCK RF BUFFER RT1N141U-T111 3.3V REG D5,6 HVC350B 2SC5383-T111 FUSE PLUL F500 3.15A TUNE Q2: RT1N141U-T111 BATT+ D4: HSC277 19.2MHz 7.5V L77-3074-05 RIPPLE SHIFT SW TCXO...
  • Page 46 TK-U100 方块图 BLOCK DIAGRAM / VHF: 144MHz~ 174MHz VHF: 182.85MHz~212.85MHz (RX) 144MHz~174MHz (TX) D100,D200 D101,102: HVC131 Q100 Q101 Q102 2SC5636 HSC277 D103: RN142S 2SC4926YD RFM01U7P RD07MUS2BT112 TX/RX RF AMP PRE DRIVE DRIVE AMP FINAL AMP ANT SW RF SW POWC F101 FUSE 0.5A...

  • Page 47: Specifications

    依据 TIA/EIA-603 获得的测量值和所示规格均为典型值。 Measurements made per TIA/EIA-603 and specifications 建伍公司有权变更技术规格，恕不预先通知。 shown are typical. Kenwood reserves the right to change specifi cations with- out 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-U100 TK-U100 印刷电路板 印刷电路板 PC BOARD / PC BOARD / TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09) TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09) C411 R367 R392 R408 R360 C345 C523 C329 C514 R393 C134 – R509 C515 C139 MIC300 C502 IC503 Q301...
  • Page 49 TK-U100 TK-U100 印刷电路板 印刷电路板 PC BOARD / PC BOARD / TX-RX UNIT (X57-8093-00) Foil side view (J79-0305-09) TX-RX UNIT (X57-8093-00) Foil side view (J79-0305-09) S401 S400 Side C300 R106 C107 C113 R108 C152 C105 R113 C110 C108 C114 R102 C138 C136 C132 L107...
  • Page 50 TX-RX UNIT (X57-8093-00) D101 L111 L112 FINAL L108 HVC131 Q102 D102 C131 C135 RD07MUS2BT112 L105 L106 L107 C126 C127 C137 1000p 1000p HVC131 R114 PRI DRIVE DRIVE R102 Hi:1.67V C112 R: 0V Lo:1.37V R:1.03V 2.2k Q101 T:1.14V T:1.69V 2SC4926YD C108 RFM01U7P L102 D101,102,103...
  • Page 51 X57-8093-00 VHF: 144MHz~ 174MHz MB15E03SL-E1 VHF: 182.85MHz~212.85MHz (RX) PLPS 144MHz~174MHz (TX) PLDL DATA Q4: MCH3914(7)-H D100,D200 D101,102: HVC131 Q100 Q102 Q101 2SC5108(Y)F 2SC5636 HSC277 D2,3: 1SV325F D103: RN142S 2SC4926YD RFM01U7P RD07MUS2BT112 CLOCK RF BUFFER TX/RX RF AMP PRE DRIVE DRIVE AMP FINAL AMP ANT SW RF SW...

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