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This service manual applies to products with 90600001 有关比 90600001 早的序列号产品,请参考编号为 or subsequent serial numbers. B51-8656-00 的 TK-3148 维修手册。 In terms of the products with the serial numbers earlier than 90600001, refer to the TK-3148 service manual as per part No. B51-8656-00. Knob (ENC) (K29-9134-13) Helical antenna...
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.
TK-3148 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 tech ni - 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。...
操作特性 OPERATING FEATURES / 1. 操作特性 1. Operation Features TK-3148 是具有集群和常规双模式的 UHF 调频对讲机。 The TK-3148 is a UHF FM Radio designed in both Trunk- ing Mode and Conventional Mode. 2. 对讲机的控制和指示 2. Transceiver Controls and Indicators 2-1. 主机外形 2-1. Physical Layout...
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TK-3148 操作特性 OPERATING FEATURES / 2-2. 控制面板 2-2. Panel controls 顶部和前面板上的键是触发式按键。有关这些键和旋钮的 The key on the top and front panel is momentary-type 功能说明如下。 push buttons. The functions of these keys and knob are ex- plained below. q Antenna connector q 天线连接器...
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TK-3148 操作特性 OPERATING FEATURES / • 常规模式 • Conventional mode w Rotary encoder w 旋转编码器 旋转本编码器选择您所需要的信道。 Rotate this encoder to select your desired channel. r Transmit/ Receive indicator r 接收指示灯 在接收信号时点亮绿色。在发射中点亮红色。 Lights green while receiving a signal. Lights red while transmitting.
1 shows the setup of a PC for programming. 5-2. 连接步骤 5-2. Connection procedure 1. 使用编程电缆将 TK-3148 与计算机连接。 1. Connect the TK-3148 to the personal computer with the 2. 当接通电源时,立即进入用户模式。当 P C 机发出指令使对 interface cable. 讲机进入 PC 机模式时, “PROGRAM”出现在显示器上。 2. When the POWER switch on, user mode can be entered 当对讲机发送数据时,红色指示灯闪动。...
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• The data stored in the personal computer must match 匹配。 model type, when it is written into the fl ash memory. • 将 TK-3148 改变为计算机编程模式,然后连接编程电缆。 • Change the TK-3148 to PC mode, then attach the inter- face cable. 5-3. KPG-36 说明 5-3. KPG-36 description (PC 机编程接口电缆...
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4. 按住 [S] 键并接通 TK-3148 的电源。 当 “PROG 57600” 出现时, 3. Set the fi rmware to be updated by File name item. 松开 [S] 键。 4. Turn the TK-3148 power ON with the [S] switch held 5. 检查 T K -3148 与个人电脑之间的连接是否正确,并且确认 down.
TK-3148 电路说明 CIRCUIT DESCRIPTION / 1. 综述 1. Overview 本对讲机是在 350 到 390MHz(C) 的频率范围内工作的 UHF/ This transceiver is UHF/FM portable transceiver designed FM 对讲机设备。 to operate in the frequency range of 350 to 390MHz (C). 2. 电路的频率构成 2. Circuit Confi guration by Frequency 接收部采用...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / 第二中频信号通过陶瓷滤波器 ( C F200: 宽,C F201: 窄 ) 继 The second IF signal is passed through the ceramic fi lter 续消除相邻信道的信号。经滤波的第二中频信号被限幅放大 (CF200; Wide, CF201; Narrow) to more remove the adjacent 器放大并被带有陶瓷鉴频器 ( C D200) 的正交鉴频器进行解调。...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / 3-4. 音频放大器电路 3-4. Audio amplifi er circuit 来自于 I C200 的解调信号进入静音开关 ( Q204),并且被 The demodulated signal from IC200 goes through the IC300(2/2) 放大,被 IC500 高通滤波,低通滤波,高通滤波, mute switch (Q204) and is amplifi ed by IC300 (2/2), high- 带阻滤波和去加重。...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / 3-5. 静噪电路 3-5. Squelch circuit I C200 的输出再次进入调频中频芯片,然后通过片上的 The output from IC200 enters FM IF IC again, then 带 通 滤 波 器。 并 通 过 带 通 滤 波 器 I C201(2/2)。 调 制 输 入。...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / 5. 频率合成器电路 5. Frequency Synthesizer Circuit 频率合成器由 TCXO(X1)、VCO、PLL IC(IC1) 和缓冲放大器 The frequency synthesizer consists of the TCXO (X1), 组成。 VCO, PLL IC (IC1) and buffer amplifi ers. TCXO 产生 16.8MHz 的频率。在温度为 -30~+60℃的范围内, The TCXO generates 16.8MHz. The frequency stability 频率的稳定性为...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / 6.控制电路 6. Control Circuit 控 制 电 路 由 M C U ( I C309) 和 其 外 围 电 路 组 成。M C U 控 制 The control circuit consists of MCU (IC309) and its periph- TX-RX 单元和发送到显示单元的数据以及从显示单元发送的数...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / 7. 信令电路 7. Signaling Circuit 7-1. 编码 7-1. Encode • 低速率数据 (QT,DQT) • Low-speed data (QT, DQT) M C U 的管脚 1 输出低速率数据。信号通过低通陶瓷滤波器 Low-speed data is output from pin 1 of the MCU. The 进入总和放大器 (IC305 1/2)。此信号与音频信号混合,通过...
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TK-3148 电路说明 CIRCUIT DESCRIPTION / • FFSK • FFSK 来自于中频芯片的 F F S K 输入信号被 I C300(1/2) 放大,然 The FFSK input signal from the IF IC is amplifi ed by IC300 后进入 IC500 的管脚 5。 此信号被 IC500 中的 FFSK 解调器解调。...
Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Oth er Areas Teile ohne Parts No. werden nicht geliefert. TK-3148 (Y50-5643-01) TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No.
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TK-3148 零件表 PARTS LIST / TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation CC73GCH1H040B CHIP C 4.0PF C155 CC73HCH1H100D CHIP C 10PF CC73GCH1H0R5B CHIP C 0.5PF...
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TK-3148 零件表 PARTS LIST / TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C267 CC73GCH1H060B CHIP C 6.0PF C355 CS77CA1A100M CHIP TNTL 10UF 10WV C269...
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TK-3148 零件表 PARTS LIST / TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C532 CK73HB1H561K CHIP C 560PF L204 L41-5685-39 SMALL FIXED INDUCTOR (0.56UH) C533...
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TK-3148 零件表 PARTS LIST / TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation RK73HB1J470J CHIP R 1/16W R214 RK73HB1J823J CHIP R 1/16W RK73HB1J101J CHIP R...
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TK-3148 零件表 PARTS LIST / TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R321 RK73HB1J823J CHIP R 1/16W R403 RK73HB1J334J CHIP R 330K 1/16W R322...
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TK-3148 零件表 PARTS LIST / TX-RX UNIT (X57-6413-01) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation D13,14 HSC277 DIODE Q205 2SC4649(N,P) TRANSISTOR D100,101 HSC277 DIODE Q206,207 3SK318 D102,103...
TK-3148 包装 PACKING / 43 Item carton case (H52-2007-02) 9 Instruction manual (B62-1756-00) 47 Belt hook (J29-0701-15) A Dressed screw (N08-0548-24) 6 Cap (B09-0625-03) 62 Helical antenna (T90-1032-55) Parts with the exploded numbers larger than 700 are not supplied.
TK-3148 调整 ADJUSTMENT / Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 350 to 400MHz Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –47dBm/1mV Input Impedance 50Ω Power Meter...
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TK-3148 调整 ADJUSTMENT / ■ Antenna connector adapter ■天线接口转换头 此对讲机的天线接口使用 S M A 终端。使用天线接口转换头 The antenna connector of this radio uses an SMA termi- [SMA(f)- BNC(f) 或 SMA(f)- N(f)] 进行转换。( 转换头不作为 nal. Use an antenna connector adapter [SMA(f) – BNC(f) or 可选件提供,因此请购买商用转换头。)
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TK-3148 调整 ADJUSTMENT / • PC 机调谐 • PC tuning 将电线连接到接口电缆连接器的 PCB 板上。 Connect the wires to the PCB in the connector case of 要从连接器上拉出电线,需要取下连接器盒。 interface cable. For output the wires out of the connector case, need to process the connector case.
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TK-3148 调整 ADJUSTMENT / ■ Connecting the PTT, MIC, SP, and SW2 cables ■连接 PTT、MIC、SP 和 SW2 电缆 在连接 PTT、MIC、SP 和 SW2 双线电缆时,确保各电缆的颜 When connecting the PTT, MIC, SP and SW2 2-wire 色匹配如下图所示。 cables, ensure that the color of each cable mates as shown in the following diagram.
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■ Repair jig (Chassis) ■维修机架 ( 机壳 ) 使用机壳 (A10-4060-04) 维修 TK-3148。将 TX-RX 单元放 Use jig (part No.: A10-4060-04) for repairing the TK-3148. 置在机壳上,并且拧上螺钉。 Place the TX-RX unit on the jig and fi t it with screws. 在维修过程中,当需要在 T X - R X 单元的电路板上检测到电...
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7~16 – – 注释 : Note: 用户必须调整上述所有信道中的频率,即使第 3 行的信道 You must adjust the frequencies in all channels as shown 频率低于 TK-3148 的规格。 above, even though the channel frequencies in the 3 row are below the specifi cations of the TK-3148.
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用户必须调整上述所有测试信道中的频率,即使第 H 行的 You must adjust the frequencies in all test channels as 测试信道频率超出 TK-3148 的规格。 shown above, even though the test channel frequencies in the H row are below the specifi cations of the TK-3148. ■流程图 ■ Flow chart FREQ xxx...
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TK-3148 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.
TK-3148 端子功能 TERMINAL FUNCTION / TX-RX 单元 (X57-6413-01):TX-RX 部分 TX-RX UNIT (X57-6413-01): TX-RX section 管脚号码 名 称 输入 / 输出 功 能 Pin No. Name Function CN301 CN301 不使用 Not used 输入 串行数据输入 Serial data input 输出 串行数据输出 Serial data output 输出...
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TK-3148 端子功能 TERMINAL FUNCTION / 管脚号码 名 称 输入 / 输出 功 能 Pin No. Name Function AUXKEY 输入 AUX 按键输入 AUXKEY AUX key input 接地 输入 用于音频控制的音量电平输入 Volume level input for audio control 输入 编码器脉冲输入 Encoder pulse input 输入...
TK-3148 SPECIFICATIONS General Frequency Range RX, TX ..............350 to 390MHz Channel Spacing ............6.25kHz/ 12.5kHz/ 25kHz Battery Voltage ............DC 7.5V±20% Battery Life ............More than 9 hours at 4W (5-5-90 duty cycle with KNB-24L battery) Temprature Range ..........–30°C to +60°C (–22°F to + 140°F) Dimension and Weight With KNB-24L (1400mAh battery) ......105 (4.13) H x 56 (2.21) W x 29.5 (1.16) D mm (inch), 0.66lbs (300g)
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...
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TK-3148 TK-3148 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-6413-01) (A/3) Component side view (J79-0163-09 A/3) TX-RX UNIT (X57-6413-01) (A/3) Component side view (J79-0163-09 A/3) L314 C910 C911 L315 CN305 C375 R388 D302 L311 SP–...
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TK-3148 TK-3148 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-6413-01) (A/3) Foil side view (J79-0163-09 A/3) TX-RX UNIT (X57-6413-01) (A/3) Foil side view (J79-0163-09 A/3) C329 X200 L701 CF200 R232 C212 IC307 R238 L201 XF200...
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TK-3148 板 PC BOARD / PC TX-RX UNIT (X57-6413-01) (B/3) Component side view (J79-0163-09 B/3) J79-0163-09 B/3 R507 R503 CN500 TX-RX UNIT (X57-6413-01) (C/3) Component side view (J79-0163-09 C/3) J79-0163-09 C/3 S600 S601 S602 Component side Layer 1 Layer 2...