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Kenwood TK-2207 Service Manual
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Kenwood TK-2207 Service Manual

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See also: Instruction Manual
VHF FM TRANSCEIVER / VHF 调频对讲机
TK-2207
SERVICE MANUAL /
Knob (PTT)
按钮(PTT)
(K29-9308-03)
Does not come with antenna. Antenna is available as an option.
不包括天线。天线为选件。
维修手册
Antenna
天线
(KRA-26: Option / 可选件)
Knob (CH-SELECTOR)
旋钮(信道)
(K29-9318-03)
Knob (VOLUME)
旋钮(音量)
(K29-9309-03)
Cabinet assy
机壳
(A02-3851-23)
©
2004-2 PRINTED IN JAPAN
B51-8679-00 (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
PC BOARD
TX-RX UNIT (X57-6870-20) .......................... 42
SCHEMATIC DIAGRAM ..................................... 46
BLOCK DIAGRAM .............................................. 50
LEVEL DIAGRAM ............................................... 52
KSC-31 / KNB-29N ............................................. 53
KNB-30A / KBH-10 ............................................. 54
SPECIFICATIONS ............................................... 55

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  • Page 1: Table Of Contents

    VHF FM TRANSCEIVER / VHF 调频对讲机 TK-2207 SERVICE MANUAL / 维修手册 © 2004-2 PRINTED IN JAPAN B51-8679-00 (S) 663 CONTENTS GENERAL ............. 2 SYSTEM SET-UP ..........3 Antenna REALIGNMENT ............ 4 天线 (KRA-26: Option / 可选件) DISASSEMBLY FOR REPAIR ......7 CIRCUIT DESCRIPTION ........

  • Page 2: General

    TK-2207 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 (X57-6870-20) ..........42 电路说明 ..................12 原理图 ..................46 方块图 ..................50 端子功能...

  • Page 3: System Set-Up

    TK-2207 概述 GENERAL / 维修服务 SERVICE 为了便于维修本设备、建立了完整的维修服务体系、提供了 This radio is designed for easy servicing. Refer to the 包括原理图、印刷线路板图和调整步骤在内的资料供参考。 schematic diagrams, printed circuit board views, and alignment procedures contained within. 单元 Unit TX-RX 单元 频率范围 备注 Model TX-RX Unit Frequency range Remarks 型号和类型...

  • Page 4: Realignment

    • The data stored in the personal computer must match the • 当把储存在计算机中的数据写入到 EEPROM 中时 , 机型型号 model type when it is written into the EEPROM. 必须相匹配。 • Change the TK-2207 to PC mode, then attach the interface • 将 TK-2207 改变为计算机模式，然后连接接口电缆。 cable. 3-3 KPG-22 说明(PC 机编程接口电缆∶可选件) 3-3.
  • 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-2207 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 TK-2207 模式组合 REALIGNMENT / 8. If the cloning fails, no data will be available in the Slave unit when it is returned to User mode. 9. When the cloning is successful, the Slave unit's "Scan" and "Key lock" functions will return to their default values (Scan = OFF, Key lock = OFF).

  • Page 7: Disassembly For Repair

    TK-2207 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-2207 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-2207 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-2207 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. 把扬声器安装到机壳的扬声器安装部 。 确保扬声器完全被 circumference of the chassis is securely inserted in the 插入。...
  • Page 11 TK-2207 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-2207 电路说明 CIRCUIT DESCRIPTION / 1 . 频率构成 1. Frequency Configuration 本接收机使用二次变频。第一 IF 是 38.85 MHz，第二 IF 是 The receiver utilizes double conversion. The first IF is 38.85 450 kHz。第一本地振荡信号由 PLL 电路提供。 MHz and the second IF is 450 kHz. The first local oscillator PLL 电路产生需要的发射频率。...
  • Page 13 TK-2207 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-2207 电路说明 CIRCUIT DESCRIPTION / 6) 静噪 6) Squelch Part of the AF signal from the IC enters the FM IC (IC201) FM IC (IC201) 输出的 AF 信号的一部分再进入 IC，噪声成份 again, and the noise component is amplified and rectified 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 by a filter and an amplifier to produce a DC voltage 的...
  • Page 15 TK-2207 电路说明 CIRCUIT DESCRIPTION / 2) VCO 2) VCO The operating frequency is generated by Q4 in transmit 所使用的频率在发射模式时由 Q 4 生成，在接收模式时由 mode and Q3 in receive mode. The oscillator frequency is Q3 生成。 controlled by applying the VCO control voltage, obtained 通过将从相位比较器所获得的...
  • Page 16 TK-2207 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 (Q102) The signal from the T/R switch (D101 is on) is amplified by 和驱动放大器...
  • Page 17 TK-2207 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-2207 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-2207 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 the keys and channel selector are directly 理器。 input to the microprocessor, as shown in fig. 11.

  • Page 20: Terminal Function

    TK-2207 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-2207 半导体数据 SEMICONDUCTOR DATA / 管脚 接口名称 输入/输出 功能 Port Name Function 号码 APCSW 输出 APC 开关 APCSW APC switch DCSW 输出 APC 电压放电开关 DCSW APC voltage discharge switch TX_W/N 输出 TX 宽 / 窄带开关 TX_W/N TX Wide/Narrow switch RX_SW 输出...

  • Page 22: Components Description

    TK-2207 元件说明 COMPONENTS DESCRIPTION / TX-RX 单元 (X57-6870-20) TX-RX UNIT (X57-6870-20) 编号 使用 / 功能 操作 / 状态 Ref. No. Use/Function Operation/Condition PLL 系统 PLL system 器 VCO 1/2 分频 VCO 1/2 Divider IC101 比较器 (APC) IC101 Comparator (APC) IC201 FM IF 系统...
  • Page 23 TK-2207 元件说明 COMPONENTS DESCRIPTION / 编号 使用 / 功能 操作 / 状态 Ref. No. Use/Function Operation/Condition 二极管 触发滤波器 Diode Ripple Filter 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...

  • 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-2207 (Y50-5890-20) TX-RX UNIT (X57-6870-20) Ref. No. Address Parts No. Description Destination Ref.
  • Page 25 TK-2207 零件表 PARTS LIST / TX-RX UNIT (X57-6870-20) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts CC73HCH1H101J CHIP C 100PF C143 CC73GCH1H100D CHIP C 10PF CK73HB1H471K CHIP C 470PF C144 CC73GCH1H820J CHIP C...
  • Page 26 TK-2207 零件表 PARTS LIST / TX-RX UNIT (X57-6870-20) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C258 CK73HB1H102K CHIP C 1000PF K C409,410 CK73GB1A105K CHIP C 1.0UF C260 CK73HB1H102K CHIP C 1000PF K...
  • Page 27 TK-2207 零件表 PARTS LIST / TX-RX UNIT (X57-6870-20) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts L118 L34-4567-05 AIR-CORE COIL RK73HB1J102J CHIP R 1.0K J 1/16W L119 L34-4566-05 AIR-CORE COIL R45 ,46...
  • Page 28 TK-2207 零件表 PARTS LIST / TX-RX UNIT (X57-6870-20) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R240 R92-1252-05 CHIP R 0 OHM J 1/16W R421,422 RK73HB1J102J CHIP R 1.0K J 1/16W R241,242...
  • Page 29 TK-2207 零件表 PARTS LIST / TX-RX UNIT (X57-6870-20) ADDITIONAL PCB Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts Q302 2SC4919 TRANSISTOR Q303 DTC144EE DIGITAL TRANSISTOR Q304 2SA1362(GR) TRANSISTOR Q305 DTC144EE DIGITAL TRANSISTOR...

  • Page 30: Exploded View

    TK-2207 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-2207 包装 PACKING / 10.INSTRUCTION MANUAL (B62-1765-00) 45.PROTECTION BAG (H25-0085-04) 48.HOLDER(SP/MIC) 53.HANDSTRAP (J19-5472-03) (J69-0352-05) 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 (H52-2016-02) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 32: Adjustment

    TK-2207 调整 ADJUSTMENT / Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator Frequency Range 136 to 174MHz. (SSG) Modulation Frequency modulation and external modulation. Output -127dBm/0.1µV to greater than -47dBm/1mV Power Meter Input Impedance 50Ω. Operation Frequency 136 to 174MHz.
  • Page 33 2. 维修机架（机壳） 2. Repair Jig (Chassis) 使用机壳（A10-4086-03）维修 TK-2207。将 TX-RX 单元放置 Use jig (part No.: A10-4086-03) for repairing the TK-2207. 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-2207 调整 ADJUSTMENT / TX-RX 单元(X57-687) 调整点 Adjustment points TX-RX unit (X57-687) 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-2207 调整 ADJUSTMENT / ■ Frequency and signalling ■ 频率和信令 频率设定调整如下表所示。当需要时，按照如下调整程序重 The set has been adjusted for the frequencies shown in 新调整，以便获得您在实际操作时希望的频率。 the following table. When required. re-adjust them following the adjustment procedure to obtain the frequencies you want in actual operation.
  • Page 36 TK-2207 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 4.0V ±0.1V voltage 2) CH:Low Check 0.6V or more...
  • Page 37 TK-2207 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 4.0 V ±0.1V 锁定电压...
  • Page 38 TK-2207 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-2207 调整 ADJUSTMENT / 测量 调整 项目 条仵 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 测试 CH : 中心...
  • Page 40 TK-2207 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 155.0 MHz Ref -23 dBm Atten 5 dB -33.5 dBm Peak Adjust Spectrum analyzer setting analyzer...
  • Page 41 TK-2207 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 155.0 MHz Ref -23 dBm Atten 5 dB -33.5 dBm Peak 波形调整 频谱分析仪设定 KPG-87D 右图所示 Center-f : 155MHz...

  • Page 42: Tx-Rx Unit (X57-6870-20)

    TK-2207 PC BOARD / PC 板 TX-RX UNIT (X57-6870-20) Component side view (J72-0912-09) L404 R203 CP404 TH203 C430 F401 R213 C405 C401 R211 R416 C402 C214 RSSI BATT+ MIC301 – IC405 PCTV MOD IN Black ADDITIONAL PCB White R422 R419...
  • Page 43 TK-2207 PC BOARD / PC 板 TX-RX UNIT (X57-6870-20) Component side view (J72-0912-09) J72-0912-09 R438 R134 R409 R436 R410 R412 IC101 L111 R403 CN13 Q108 R411 C403 R142 R130 C146 R140 R139 D102 R141 R132 R127 R138 Q107 C140 R126...
  • Page 44 TK-2207 PC BOARD / PC 板 TX-RX UNIT (X57-6870-20) Foil side view (J72-0912-09) J72-0912-09 S403 S402 S401 R237 D106 R239 D105 C263 Q205 C149 L116 C153 R234 C264 C266 C241 R230 L211 R291 R227 C245 C160 C156 R243 L210 R224...
  • Page 45 TK-2207 PC BOARD / PC 板 TX-RX UNIT (X57-6870-20) Foil side view (J72-0912-09) S402 CN201 CD201 XF201 D402 L201 C228 C440 C219 C220 R224 C348 R210 C207 R418 R209 CF201 C239 C208 C210 C235 C370 C230 D202 C213 R447 R217...

  • Page 46: Schematic Diagram

    TK-2207 TK-2207 PC BOARD / PC 板 PC BOARD / PC 板 TX-RX UNIT (X57-6870-20) Component side view (J72-0912-09) TX-RX UNIT (X57-6870-20) Component side view (J72-0912-09) J72-0912-09 R438 L404 CP404 R203 TH203 R134 R409 C430 F401 R213 R436 R410 R412...
  • Page 47 TK-2207 TK-2207 PC BOARD / PC 板 PC BOARD / PC 板 TX-RX UNIT (X57-6870-20) Foil side view (J72-0912-09) TX-RX UNIT (X57-6870-20) Foil side view (J72-0912-09) J72-0912-09 S403 S402 S401 R237 D106 CN201 R239 D105 CD201 C263 Q205 XF201 C149...
  • Page 48 TK-2207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6870-20) 100k PLL SYSTEM 2.73V MB15A02 RIPPLE FILTER 4.84V 470p MA2S111 470p 4.76V 0.01u 2SC5108(Y) PLL IC F_IN AMP R12-7491-05 4.83V L77-1931-05 F401 L401 4.72V BATT 12.8MHz 0.7V BATT oUTPUT 4.7u 330k 2.2k...
  • Page 49 TK-2207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6870-20) 4.74V T:3.42V D4,7 UPB1509GV 220n FREQUENCY RF BUFFER AMP CONTROL /TX VCO VCO OSCILLATION (TX) VCC1 VCC2 0.72V 2SC5108(Y) VCO/TX 1000p 180n 0.5p 1SV325 180p 1000p 2SK508NV(K52) 3.74V VCO 1/2 DIVIDER DC SW/TX VCO...

  • Page 50: Block Diagram

    TK-2207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6870-20) TX DRIVE AMP TX FINAL AMP R:7.68V T:1.88V T:7.30V T:4.9V D101,202 L104 C120 L107 C108 R112 C110 Q103 R120 Q106 R108 T:1.11V TX/RX 2SK2596 2SK2595 RF SW 1.5k 1000p 1000p 4.6V RF AMP...
  • Page 51 TK-2207 SCHEMATIC DIAGRAM / 原理图 ● Note : The components marked with a dot ( ) are parts of layer1. TX-RX UNIT (X57-6870-20) ANT SW D103 L119 L117 L118 HVC131 D104 C151 L113 L114 L115 C144 C154 C156 C159 CN13...

  • Page 52: Level Diagram

    TK-2207 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT (X57-6870-20) TX DRIVE AMP TX FINAL AMP ANT SW D103 L117 L118 L119 R:7.68V 4.74V T:1.88V T:7.30V T:3.42V D101,202 T:4.9V HVC131 L104 C120 L107 C151 T:1.11V R108 C108 R112 C110 Q103 R120 Q106...

  • Page 53: Knb-29N

    TK-2207 方块图 BLOCK DIAGRAM / X57-687 IC404 BD4845FVE IC403 BD4845FVE IC1 MB15A02 PLL_DAT PLL_CLK RESET RESET PLL_STB D401 RB521S-30 IC401 XC6204B502MR Q4 2SK508NV(K52) D4,D7 1SV325 D10 1SV278 PROTECT Q405 DTA123JE Loop Filter DTA143TE 12.8MHz 5C_C L77-1931-05 Q403 CPH3317 QTTCXO Q3 2SK508NV(K52)

  • Page 54: Knb-30A / Kbh-10

    TK-2207 方块图 BLOCK DIAGRAM / TX/RX:136.00~174.00MHz 2SC5108(Y) D101,D202 Q102 Q103 Q106 D103,D104,D105,D106 2SC5108(Y) HSC277 2SC4926YD 2SK2596 2SK2595 HVC131 2SC5108(Y) UPB1509GV BUFF DIVIDER Q104 DTC114EE IC101 Q105 Q109 2SK879(Y) TA75W01FU DTA144EE CURRENT Q108 2SK1824 DCSW APCSW APCSW Q107 DTC114EE PCTV D205,D206...

  • Page 55: Specifications

    TK-2207 电平图 LEVEL DIAGRAM /...

  • Page 56: Ksc-31 / Knb-29N

    TK-2207 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 57: External View

    TK-2207 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 58 TK-2207 SPECIFICATIONS General Frequency Range ............. 136~174MHz (M) Number of channels ............Max. 16 Number of groups ............Max. 16 Channel Spacing ............... 25kHz, 30kHz (Wide) 12.5kHz, 15kHz (Narrow) PLL Channel Stepping ............2.5kHz, 5kHz, 6.25kHz, 7.5kHz Operating Voltage ............7.5 V DC±20% Battery Life ...............
  • Page 59 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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