Kenwood TK-3207 Service Manual
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Kenwood TK-3207 Service Manual

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See also: Instruction Manual
UHF FM TRANSCEIVER / UHF 调频对讲机
TK-3207
SERVICE MANUAL /
Knob (PTT)
按钮(PTT)
(K29-9308-03)
维修手册
Antenna
天线
( T90-1039-05): M
( T90-0798-15): C
( T90-0800-15): C2
旋钮(信道)
Knob (VOLUME)
旋钮(音量)
(K29-9309-03)
Cabinet assy
机壳
©
2004-2 PRINTED IN JAPAN
B51-8680-00 (S) 663
CONTENTS
GENERAL ............................................................. 2
SYSTEM SET-UP ................................................. 3
REALIGNMENT .................................................... 4
DISASSEMBLY FOR REPAIR .............................. 7
CIRCUIT DESCRIPTION ..................................... 12
TERMINAL FUNCTION ...................................... 20
SEMICONDUCTOR DATA ................................. 20
COMPONENTS DESCRIPTION ......................... 22
PARTS LIST ........................................................ 24
EXPLODED VIEW ............................................... 30
PACKING ............................................................ 31
ADJUSTMENT ................................................... 32
TX-RX UNIT (X57-6890-XX) ......................... 44
SCHEMATIC DIAGRAM ..................................... 48
BLOCK DIAGRAM .............................................. 52
LEVEL DIAGRAM ............................................... 54
KSC-31 / KNB-29N ............................................. 55
KNB-30A / KBH-10 ............................................. 56
SPECIFICATIONS ............................................... 57

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  • Page 1: Table Of Contents

    UHF FM TRANSCEIVER / UHF 调频对讲机 TK-3207 SERVICE MANUAL / 维修手册 © 2004-2 PRINTED IN JAPAN B51-8680-00 (S) 663 CONTENTS Antenna 天线 GENERAL ............. 2 ( T90-1039-05): M ( T90-0798-15): C SYSTEM SET-UP ..........3 ( T90-0800-15): C2 REALIGNMENT ............ 4 DISASSEMBLY FOR REPAIR ......

  • Page 2: General

    TK-3207 目录 目录 目录 目录 目录 概述 ....................2 包装 ..................... 31 系统体系 ..................3 调整 ..................... 32 模式组合 ..................4 PC 板 维修拆卸 ..................7 TX－RX 单元 (X57-6890-XX) ........... 44 电路说明 ..................12 原理图 ..................48 方块图 ..................52 端子功能...

  • Page 3: System Set-Up

    SYSTEM SET-UP / 系统体系 Merchandise received 接收订单 RF power Type Frequency range (MHz) 射频功率 频率范围（MHz） 类型 TX/RX 450~490 4.0W TK-3207 (M) Choose the type of transceiver 选择手持机的类型 440~480 4.0W TK-3207 (C) TX/RX 400~430 4.0W TK-3207 (C2) TX/RX Transceiver programming 手持机编程...

  • Page 4: Realignment

    • The data stored in the personal computer must match the 必须相匹配。 model type when it is written into the EEPROM. • 将 TK-3207 改变为计算机模式，然后连接接口电缆。 • Change the TK-3207 to PC mode, then attach the interface cable. 3-3 KPG-22 说明(PC 机编程接口电缆∶可选件) 3-3. KPG-22 description TK-3207 需要通过接口电缆...
  • Page 5 98, ME, Windows 2000 or XP on an IBM-PC or compatible 并且在屏幕上进行编辑。 已被编程或编辑的数据可以打印出来。 machine. 也可以调整手持机的指标。 The data can be input to or read from TK-3207 and edited on the screen. The programmed or edited data can be printed out. It is also possible to tune the transceiver. IBM-PC / IBM计算机...
  • Page 6 • 手持机一旦被设置为主机， 数据传送以后， 它就不能成为子 setting, not the FPU setting. C, C2, C5 and C6 type 机。这是为了保护主机里的数据。 TK-3207 transceivers will use Chinese. Other types English. • 在无线复制的数据传输过程中， 例如在工作台产生的电波或 • Once a unit is set to be the Master, it cannot be a slave 电磁干扰有可能引起传输失败。...

  • Page 7: Disassembly For Repair

    TK-3207 维修拆卸 DISASSEMBLY FOR REPAIR / ■ Removing the case assembly from the chassis. ■ 拆卸机壳 1. 卸下音量旋钮 和信道旋钮 。 1. Remove the volume knob and channel knob 2. 卸下 2 个螺丝 。 2. Remove the two screws 3. 抬起机架...
  • Page 8 TK-3207 维修拆卸 DISASSEMBLY FOR REPAIR / ■ Removing the battery release lever from the case ■ 从机壳拆卸电池分离拨杆 assembly. 1. 向机壳的内侧按压拨杆上部之后，就可以卸下轴的一侧 。 2. 拿起电池分离拨杆 ，就可以从机壳上拆卸下来。 1. Press the upper part of the lever toward the inside of the case assembly. One side of the shaft will be removed 2.
  • Page 9 TK-3207 维修拆卸 DISASSEMBLY FOR REPAIR / ■ Assembling the battery release lever ■ 电池分离拨杆的组装方法 1. 把拨杆 置于止动器 的上面。 1. Place the lever onto the stopper 2. 把粗弹簧 置于拨杆的上面。 2. Place the thick spring onto the lever. 3. 把细弹簧置于拨杆的上面，并让细弹簧 的左右端置于止 3. Hook the right and left ends of the thin spring onto the 动器的两个勾内...
  • Page 10 TK-3207 维修拆卸 DISASSEMBLY FOR REPAIR / 2. Mounting the chassis to the case assembly. 2. 安装机壳和机架 1. 确认机架四周的防水垫是否确实地进入机架的槽里 。 1. Confirm that the waterproof packing attached to the 2. 先将扬声器的两根引线扭在一起转 2 圈，然后把扬声器安装 circumference of the chassis is securely inserted in the 到机壳的扬声器安装部...

  • Page 11: Knob (Ch-Selector)

    TK-3207 维修拆卸 DISASSEMBLY FOR REPAIR / 3. Attaching the antenna receptacle to the 3. 把天线插座 (Antenna receptacle) 安装到机架 chassis. 为了能把天线插座安装到机芯孔的中心， 在将天线插座安装 到机架时，请按照图示的顺序固定螺丝。 Screw the antenna receptacle to the chassis in the order shown in the drawing so that the antenna receptacle comes to the center of the case hole.

  • Page 12: Circuit Description

    TK-3207 电路说明 CIRCUIT DESCRIPTION / 1. Frequency Configuration 1 . 频率构成 The receiver utilizes double conversion. The first IF is 38.85 本接收机使用二次变频。第一 IF 是 38.85 MHz，第二 IF 是 MHz and the second IF is 450 kHz. The first local oscillator 450 kHz。第一本地振荡信号由...
  • Page 13 TK-3207 电路说明 CIRCUIT DESCRIPTION / 3) 中频放大电路 3) IF Amplifier Circuit 第一中频信号通过晶体滤波器 (XF201) 消除相邻信道的信号。 The first IF signal is passed through a four-pole monolithic 经滤波的第一中频信号被第一中频放大器（Q203）放大并进 crystal filter (XF201) to remove the adjacent channel signal. 入中频系统芯片 （IC201） 。 中频系统芯片提供第二混频器， 第 The filtered first IF signal is amplified by the first IF amplifier 二本振信号，限幅放大器，正交检测器和...
  • Page 14 TK-3207 电路说明 CIRCUIT DESCRIPTION / 6) 静噪 6) Squelch FM IC (IC201) 输出的 AF 信号的一部分再进入 IC，噪声成份 Part of the AF signal from the IC enters the FM IC (IC201) 通过滤波器和放大器进行放大和修正，生成与噪声电平相应 again, and the noise component is amplified and rectified 的 DC 电压。...
  • Page 15 TK-3207 电路说明 CIRCUIT DESCRIPTION / comparator in IC1. The output signal from the phase comparator is filtered through a low-pass filter and passed to the VCO to control the oscillator frequency.(See Fig. 5) 2) VCO 2) VCO 所使用的频率在发射模式时由 Q 4 生成，在接收模式时由...
  • Page 16 TK-3207 电路说明 CIRCUIT DESCRIPTION / IC301 AQUA IC405 DTMF QTVCO QTTCXO TCXO Fig. 6 Microphone amplifier / 图 6 话筒放大器 2) 驱动器和终端放大器 2) Drive and Final Amplifier 来自于 T/R 开关 (D101 ON) 的信号被前置驱动放大器 (Q101) The signal from the T/R switch (D101 is on) is amplified by 和驱动放大器...
  • Page 17 TK-3207 电路说明 CIRCUIT DESCRIPTION / (2) DTMF (2) DTMF 高速数据从 CPU 的 2 脚输出。信号通过低通 CR 滤波器，提供 High-speed data is output from pin 2 of the CPU. The signal TX 和 SP 输出音频，并输入到音频处理器 (IC301)。信号与音 passes through a low-pass CR filter, and provides a TX and 频信号混合，然后送到...
  • Page 18 TK-3207 电路说明 CIRCUIT DESCRIPTION / 2) Memory Circuit 2) 存储器电路 Memory circuit consists of the CPU (IC405) and an EEPROM 存储器电路由 CPU (IC405) 和 EEPROM (IC406) 组成。 (IC406). An EEPROM has a capacity of 64k bits that contains 有 64k bits 的容量，包含 CPU 用的手持机控制程序以及信道...
  • Page 19 TK-3207 电路说明 CIRCUIT DESCRIPTION / 7 . 控制系统 7. Control System 按键和频道选择器电路。 Keys and channel selector circuit. 如图 11 所示， 来自按键和频道选择器的信号直接输入到微处 The signal from keys and channel selector input to 理器。 microprocessor directly as shown in fig. 11. Channel selector...

  • Page 20: (K29-9318-03) Terminal Function

    TK-3207 端子功能 TERMINAL FUNCTION / ■ CN401 ■ CN401 管脚 名称 输入 / 输出 功能 Name Function 号码 输入 B (电池电压) B (Battery Voltage) 输出 可关闭的 B Switched B 输入 音频输入 Audio input 输出 音频输出 Audio output 输入 编码器脉冲输入 Encoder pulse input 输入...
  • Page 21 TK-3207 半导体数据 SEMICONDUCTOR DATA / 管脚 接口名称 输入/输出 功能 Port Name Function 号码 输入 串行数据 (FPU/FLASH) Serial data (FPU/FLASH) APCSW 输出 APC 开关 APCSW APC switch 33-34 NC 33-34 NC DCSW 输出 APC 电压放电开关 DCSW APC voltage discharge switch TX_W/N 输出...

  • Page 22: Components Description

    TK-3207 元件说明 COMPONENTS DESCRIPTION / TX-RX 单元 (X57-6890-XX) TX-RX 单元 (X57-6890-XX) TX-RX UNIT (X57-6890-XX) 编号 使用 / 功能 操作 / 状态 Ref. No. Use/Function Operation/Condition PLL system PLL 系统 IC101 Comparator (APC) IC101 比较器 (APC) IC201 FM IF 系统 IC201...
  • Page 23 TK-3207 元件说明 COMPONENTS DESCRIPTION / 编号 使用 / 功能 操作 / 状态 Ref. No. Use/Function Operation/Condition Variable 可变电容二极管 频率控制 / TX VCO Frequency control / TX VCO capacitance diode Variable 可变电容二极管 频率控制 / RX VCO Frequency control / RX VCO...

  • Page 24: Parts List

    E: Europe Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y: AAFES (Europe) X: Australia M: Other Areas Teile ohne Parts No. werden nicht geliefert. TK-3207 (Y50-590X-XX) TX-RX UNIT (X57-6890-XX) Ref. No. Address Parts No. Description Destination Ref.
  • Page 25 TK-3207 零件表 PARTS LIST / TX-RX UNIT (X57-6890-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts CC73HCH1H100C CHIP C 10PF C121 CC73GCH1H120J CHIP C 12PF CK73HB1H471K CHIP C 470PF C122 CC73GCH1H330J CHIP C...
  • Page 26 TK-3207 零件表 PARTS LIST / TX-RX UNIT (X57-6890-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C221 CK73GB1C104K CHIP C 0.10UF K C291 CC73GCH1H060B CHIP C 6.0PF C222 CK73HB1H102K CHIP C 1000PF K...
  • Page 27 TK-3207 零件表 PARTS LIST / TX-RX UNIT (X57-6890-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C431 CK73HB1C103K CHIP C 0.010UF K L230 L41-3978-03 SMALL FIXED INDUCTOR C432 CC73HCH1H050B CHIP C 5.0PF...
  • Page 28 TK-3207 零件表 PARTS LIST / TX-RX UNIT (X57-6890-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R105 RK73GB1J331J CHIP R J 1/16W R304 RK73HB1J273J CHIP R J 1/16W R106 RK73GB1J220J CHIP R...
  • Page 29 TK-3207 零件表 PARTS LIST / TX-RX UNIT (X57-6890-XX) ADDITIONAL PCB Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R437,438 RK73HB1J473J CHIP R J 1/16W Q303 DTC144EE DIGITAL TRANSISTOR R445,446 R92-1252-05 CHIP R...

  • Page 30: Exploded View

    TK-3207 部件分解图 EXPLODED VIEW / MIC301 TX-RX Unit CF201 A :N14-0808-04 B :N14-0812-04 C :N30-2604-46 D :N30-2606-46 E :N83-2005-46 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 31: Packing

    TK-3207 包装 PACKING / 10.INSTRUCTION MANUAL (B62-1764-00):C,C2 (B62-1765-00):M 64.HELICAL ANTENNA (T90-0798-15):C (T90-0800-15):C2 WHIP ANTENNA 45.PROTECTION BAG (T90-1039-05):M (H25-0085-04) 48.HOLDER(SP/MIC) 53.HANDSTRAP (J19-5472-03) (J69-0352-05):C,C2 60.SCREW SET 6. CAP(SP/MIC) (N99-2043-05) (B09-0680-03) 43.PACKING FIXTURE (H12-3158-05) 52.BELT CLIP (J29-0713-05) 47.ITEM CARTON CASE (H52-2055-02) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 32: (A02-3851-23) Adjustment

    TK-3207 调整 ADJUSTMENT / Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator Frequency Range 450 to 490MHz (M) 440 to 480MHz (C) 400 to 430MHz (C2) (SSG) Modulation Frequency modulation and external modulation. Output -127dBm/0.1µV to greater than -47dBm/1mV...
  • Page 33 2. 维修机架（机壳） 2. Repair Jig (Chassis) 使用机壳（A10-4086-03）维修 TK-3207。将 TX-RX 单元放置 Use jig (part No.: A10-4086-03) for repairing the TK-3207. 在机壳上，并且拧上螺钉。 Place the TX-RX unit on the jig and fit it with screws. 在维修过程中，需要在 TX-RX 单元的电路板上检测电压时，...
  • Page 34 TK-3207 调整 ADJUSTMENT / TX-RX 单元(X57-689) 调整点 Adjustment points TX-RX unit (X57-689) 元件面视图 Component side view CN13 RSSI BATT+ PCTV TX-RX UNIT Component side view SP– MICI MICO VR1 : 频率调整 VR1 : Frequency adjustment BPF : 带通波形测试点 BPF : Band-pass wave form test point CV : 锁定电压调整终端...
  • Page 35 TK-3207 调整 ADJUSTMENT / 频率 (MHz) C2 类型 Frequency (MHz) C2 type 信道号码 RX 频率 TX 频率 Channel No. RX Frequency TX Frequency 415.050 415.100 415.050 415.100 400.050 400.100 400.050 400.100 429.950 429.900 429.950 429.900 415.000 415.000 415.000 415.000 415.200 415.200...
  • Page 36 TK-3207 调整 ADJUSTMENT / Common Section Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 1.Setting 1) BATT terminal votage:7.5V 2) SSG standard modulation [Wide] MOD:1kHz,DEV:3kHz [Narrow] MOD:1kHz,DEV:1.5kHz 2.VCO lock 1) CH:High Power meter 3.4V (M) ±0.1V voltage 3.2V (C)
  • Page 37 TK-3207 调整 ADJUSTMENT / 公共部分 测量 调整 项目 条件 规格 / 备注 测试设备 终端 部件 方法 1. 设置 1) BATT终端电压 : 7.5V 2) SSG 标准调制 [宽] MOD:1kHz,DEV:3kHz [窄] MOD:1kHz,DEV:1.5kHz 2. VCO 1) CH : 高 功率表 3.4V (M) ±0.1V 锁定电压...
  • Page 38 TK-3207 调整 ADJUSTMENT / Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 6.VOX 10 TEST CH:Center Power meter Programming Writing AG:1kHz/3.0mV Deviation meter SP/MIC connector Software:KPG-87D 7.DQT TEST CH: Center Oscilloscope Programming Make the Balance Adjust Software:KPG-87D demodulation...
  • Page 39 TK-3207 调整 ADJUSTMENT / 测量 调整 项目 条件 规格 / 备注 测试设备 终端 部件 方法 6. VOX 10 测试 CH : 中心 功率表 编程软件 : 写入 AG : 1kHz / 3.0mV 频偏仪 SP/MIC 连接器 KPG-87D 7. DQT VCO 测试 CH : 中心...
  • Page 40 TK-3207 调整 ADJUSTMENT / Receiver Section Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 1.BPF Wave (1)Center frequency Spectrum Programming Adjust the Mkrl 470.0 MHz Ref -46 dBm Atten 5 dB -54.4 dBm Peak Adjust Spectrum analyzer setting analyzer...
  • Page 41 TK-3207 调整 ADJUSTMENT / 接收部 测量 调整 项目 条件 规格 / 备注 测试设备 终端 部件 方法 1. BPF (1)中心频率 频谱分析仪 编程软仵: 调整波形如 Mkrl 470.0 MHz Ref -46 dBm Atten 5 dB -54.4 dBm Peak 波形调整 频谱分析仪设定 KPG-87D 右图所示 TK-3207 Center-f : 470MHz...
  • Page 42 TK-3207 调整 ADJUSTMENT / Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 2.Sensitivity TEST CH: Low Check 12dB SINAD or more check Center [Wide] High Oscilloscope SSG otuput:–117 dBm(0.3µV) AF VTVM SSG MOD:3.0kHz [Narrow] TEST CH:Center SSG otuput:–115 dBm(0.4µV) SSG MOD:1.5kHz...
  • Page 43 TK-3207 调整 ADJUSTMENT / 测量 调整 项目 条件 规格 / 备注 测试设备 终端 部件 方法 2. 灵敏度检查 测试 CH : 低 检查 12dB SINAD 或 [ 宽 ] 中心 以上 高 示波器 SSG 输出 : -117 dBm (0.3μV) AF VTVM SSG MOD : 3kHz [ 窄...

  • Page 44: Pc Board

    TK-3207 PC BOARD / PC 板 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 Component side view (J72-0913-09) L404 R203 CP404 TH203 C430 F401 R213 C405 C401 R416 R211 C402 C214 RSSI BATT+ MIC301 – IC405...
  • Page 45 TK-3207 PC BOARD / PC 板 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 Component side view (J72-0913-09) J72-0913-09 R438 R134 R409 R436 R410 R412 IC101 L111 R403 CN13 Q108 R411 C403 R142 R130 R139 C146...
  • Page 46 TK-3207 PC BOARD / PC 板 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 Foil side view (J72-0913-09) J72-0913-09 S403 S402 S401 C268 R256 D104 L228 R254 R253 L223 or C156 L412 C254 C267 Q205 C251...
  • Page 47 TK-3207 PC BOARD / PC 板 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 Foil side view (J72-0913-09) S402 CN201 CD201 XF201 R226 D402 R227 L201 C228 C440 C219 C220 C241 R233 R236 R210 C207 R418...
  • Page 48 TK-3207 TK-3207 PC BOARD / PC 板 PC BOARD / PC 板 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 Component side view (J72-0913-09)
  • Page 49 TK-3207 TK-3207 PC BOARD / PC 板 PC BOARD / PC 板 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 TX-RX UNIT (X57-6890-XX) -20 : M -21 : C -22 : C2 Foil side view (J72-0913-09)
  • Page 50 TK-3207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6890-XX) 2.74V 100k PLL SYSTEM MB15A02 4.82V 470p RIPPLE 2SC5108(Y) FILTER PLL IC F_IN AMP 470p 4.76V MA2S111 0.01u R12-7491-05 4.9V L77-1931-05 F401 L401 4.7V BATT 12.8MHz 0.71V BATT oUTPUT 4.7u 330k 1000p 2.2k...

  • Page 51: Tx-Rx Unit (X57-6890-Xx)

    TK-3207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6890-XX) R:0V TX/RX T:3.37V T:2.846V RF SW D2,4,6,7 D101 VCO OSCILLATION (TX) C101 C102 4.62V 220n FREQUENCY RF BUFFER AMP HSC277 470p CONTROL 3.86V /TX VCO RF AMP HVC376B 0.72V 2SC5108(Y) 2SC4619 100n 0.5p...
  • Page 52 TK-3207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6890-XX) R120 RF AMP TX DRIVE AMP TX FINAL AMP R:7.61V T:4.81V T:4.96V T:1.36V T:7.26V C123 Q102 Q103 L104 C107 C112 L103 L107 R103 R112 R111 2SK2596 R123 2SK3476 8.2n 8.2n Q101 2SK3077...
  • Page 53 TK-3207 SCHEMATIC DIAGRAM / 原理图 X57-6890-XX D210 L100 L101 L107 L206 L211 L223 L230 L290 L412 R120 R194 R241 R449 R450 HVC355B 1.2n 8.2n L34-4572-05 1.0M HVC355B 1.2n 8.2n L34-4572-05 1.0M L34-4564-05 0.5p 1.5p X57-6890-XX C107 C116 C121 C125 C127...
  • Page 54 TK-3207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6890-XX) X57-6890-XX D210 L100 L101 L107 L206 L211 L223 L230 L290 L412 R120 R194 R241 R449 R450 R120 HVC355B 1.2n 8.2n L34-4572-05 1.0M T:4.81V RF AMP T:4.96V TX DRIVE AMP R:7.61V TX FINAL AMP T:1.36V...

  • Page 55: Block Diagram

    TK-3207 方块图 BLOCK DIAGRAM / X57-689 IC404 BD4845FVE IC403 BD4845FVE IC1 MB15A02 PLL_DAT PLL_CLK RESET RESET PLL_STB D401 RB521S-30 IC401 XC6204B502MR Q4 2SK508NV(K52) D2,D4,D6,D7 1SV325 D10 1SV278 PROTECT Q405 DTA123JE Loop Filter DTA143TE 12.8MHz 5C_C L77-1931-05 Q403 CPH3317 QTTCXO Q3 2SK508NV(K52)
  • Page 56 TK-3207 方块图 BLOCK DIAGRAM / TX/RX:450.00~490.00MHz (M) TX/RX:440.00~480.00MHz (C) TX/RX:400.00~430.00MHz (C2) Q2 2SC5108(Y) D101,D202 Q100 Q101 Q102 Q103 D122,D103,D104,D106 2SC5108(Y) 2SC4619 HSC277 2SC4619 2SK3077 2SK2596 2SK3476 HVC131 BUFF Q104 DTC114EE Q105 Q109 IC101 2SK879(Y) DTA144EE TA75W01FU CURRENT Q108 2SK1824 DCSW...

  • Page 57: Level Diagram

    TK-3207 电平图 LEVEL DIAGRAM /...

  • Page 58: Ksc-31 / Knb-29N

    TK-3207 KSC-31 / KNB-29N KSC-31 (RAPID CHARGER) KNB-29N (Ni-MH BATTERY PACK) ■ External View ■ External View ■ Specifications Charging current ....850mA ±5% Charging time ..... KNB-29N : Approx.180 minutes ■ Specifications KNB-30A : Approx.120 minutes Voltage ....7.2V (1.2V x 6) Dimensions (Charger only) ..

  • Page 59: Knb-30A / Kbh-10

    TK-3207 KNB-30A / KBH-10 KNB-30A (Ni-Cd BATTERY PACK) KBH-10 (BELT CLIP) ■ External View ■ External View ■ Specifications Voltage ....7.2V (1.2V x 6) Battery capacity ... 1100mAh ■ Schematic Diagram DISCHARGING TERMINALS Breaker (4N) (2N) (75ºC) Thermistor Diode...

  • Page 60: Specifications

    TK-3207 SPECIFICATIONS General Frequency Range ............. 450~490MHz (M) 440~480MHz (C) 400~430MHz (C2) Number of channels ............Max. 16 Number of groups ............Max. 16 Channel Spacing ............... 25kHz (Wide) 12.5kHz (Narrow) PLL Channel Stepping ............5kHz, 6.25kHz Operating Voltage ............7.5 V DC ±20% Battery Life ...............
  • Page 61 KENWOOD ELECTRONICS SINGAPORE PTE LTD. 13, Boulevard Ney, 75018 Paris, France 1 Genting Lane 07-00 Kenwood Building, Singapore 349544 KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB, United Kingdom KENWOOD ELECTRONICS EUROPE B.V. Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands...

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