Kenwood TK-3230 Service Manual

Uhf fm transceiver

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Instruction manual (66 pages)

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Page 1 调频对讲机 UHF FM TRANSCEIVER / UHF TK-3230 维修手册 SERVICE MANUAL / C VERSION © 2007-11 PRINTED IN JA PAN B51-8808-00 ( N ) 486 Cover (Antenna cap) Knob (VOL) (K29-9397-03) (F07-1929-03) (B09-0710-03) Button knob (PTT) (K29-9398-03) Key top (K29-9399-02) Plastic cabinet assy...
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: 概述
TK-3230 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。...
Page 4: Realignment
TK-3230 模式组合 REALIGNMENT / 1. 介绍 1. Getting Acquainted q PTT (Push to Talk) switch q PTT（按下通话）开关按住，然后对着扬声器区域讲话来进行发射。 Press and hold, then speak into the speaker area to trans- mit. w MENU key w MENU 键按下可执行各种功能。打开电源时按住可进入设置模式。 Press to perform various functions. Press and hold while （经销商须启用设置模式）...
Page 5 TK-3230 模式组合 REALIGNMENT / 注意： Notes: • 必须在电脑上安装 K C T -53U 驱动程序才能使用 U S B 适配器 • You must install the KCT-53U driver in the computer to (KCT-53U)。 used the USB adapter (KCT-53U). • 首次使用 USB 适配器 (KCT-53U) 时，请在电脑开机的情况...
Page 6 TK-3230 模式组合 REALIGNMENT / KPG-22 or KPG-22A or KPG-22A+KCT-53U Illustration is KPG-22 IBM-PC 插图为KPG-22 KPG-108D Gray 灰色灰色/黑色 – Gray/Black 1.5D-XV导线 1.5D-XV Lead wire 1.5D-XV屏蔽线 1.5D-XV Shield wire – Tuning cable / 调谐电缆 (E30-3216-05) D-SUB D-SUB (25-pin) (9-pin) KCT-53U KPG-22...
Page 7 TK-3230 模式组合 REALIGNMENT / 5. 如需将复制源切换到复制模式，请在打开对讲机电源的同 5. To switch the clone source to Clone mode, press and 时按住 [PTT] 和 [MONI] 键。 hold the [PTT] and [MONI] keys while turning the trans- 6. 按住 [PTT] 和 [MONI] 键 1 秒钟。对讲机响起键音并进入复...
Page 8: Circuit Description
TK-3230 电路说明 CIRCUIT DESCRIPTION / 频率构成 Frequency Conﬁ guration 450kHz 460~470MHz 38.85MHz 1st MIX MIX, IF 38.4MHz Tripler TCXO 421.15~ 12.8MHz 431.15MHz PLL VCO 460~470MHz Fig. 1 Frequency conﬁ guration / 图 1 频率构成双超外差 Double super heterodyne 第一中频 38.85MHz 接收方式...
Page 9 TK-3230 电路说明 CIRCUIT DESCRIPTION / 项目额定 Item Rating 标称中心频率 (fo) 38.85MHz Nominal center frequency (fo) 38.85MHz 通过带宽 3dB 时 ±5.0kHz 或更大 Pass bandwidth ±5.0kHz or more at 3dB 衰减带宽 35dB 时 ±18.5kHz 或更小 Attenuation bandwidth ±18.5kHz or less at 35dB 纹波...
Page 10 TK-3230 电路说明 CIRCUIT DESCRIPTION / 第二中频信号通过陶瓷滤波器 (CF200) 消除不需要的信号。 The second IF signal passes through ceramic ﬁ lter (CF200) 通过陶瓷滤波器的第二中频信号随后通过由六个不同放大 to remove unwanted signals. 器组成的限幅放大器并进行检测。 The second IF signal passing through the ceramic ﬁ lter 放大后的第二中频信号由积分检波器通过陶瓷鉴频器...
Page 11 TK-3230 电路说明 CIRCUIT DESCRIPTION / 发射系统 Transmitter System ■麦克风放大器电路 ■ Microphone Ampliﬁ er Circuit 麦克风的音频信号通过麦克风放大器 ( I C302)。随后信号 The audio signal from the microphone passes through 通过具有 6d B / o c t 预加重电路、带通滤波器 (300 ～ 3k H z )、...
Page 12 TK-3230 电路说明 CIRCUIT DESCRIPTION / PLL 系统 PLL System ■ VCO 电路 ■ VCO Circuit VCO 外嵌屏蔽罩。 The VCO is housed in a shield case. V C O 电路由晶体管 ( Q2)、用于频率控制的可变电容二极管 The VCO circuit consists of a transistor (Q2), a variable ( D2)、用于调制的可变电容二极管...
Page 13 TK-3230 电路说明 CIRCUIT DESCRIPTION / VCO 输出信号由 PLL IC 中分频器设置的分频倍率进行分频， The VCO output is divided by the divide ratio set by the 进而产生 6.25kHz/5kHz 的频率，随后由相位比较器与基准比 divider in the PLL IC to generate 6.25kHz/5kHz. It is com- 较频率进行比较来检测相位差。 pared with the reference comparison frequency by the PLL IC 中的电荷泵电路将其转换为可以直接驱动...
Page 14 TK-3230 电路说明 CIRCUIT DESCRIPTION / 仅在发射模式下 M C U 打开 Q404 时，发射电源 3T 才为发射 The transmission power 3T is supplied to the transmis- 输出电路供电。 sion output circuit when the MCU turns Q404 on only in 仅在接收模式下 M C U 打开 Q406 时，接收电源 3R 才为接收...
Page 15: Semiconductor Data
TK-3230 半导体数据 SEMICONDUCTOR DATA / MCU: D338327A22WV(TX-RX 单元 IC403) MCU: D338327A22WV (TX-RX unit IC403) ■ Terminal Function ■端子功能管脚号信号名称输入 / 输出功能 Pin No. Signal Name Function SP DET 输入耳机检测 SP DET Head set detect AVSS...
Page 16 TK-3230 半导体数据 SEMICONDUCTOR DATA / 管脚号信号名称输入 / 输出功能 Pin No. Signal Name Function MIC MUTE 输出麦克风静音 MIC MUTE MIC mute SHIFT 输出拍频偏移 SHIFT Beat shift PDATA 输出串行数据 PDATA Serial data PCLK 输出串行时钟...
Page 17: Components Description
TK-3230 元件说明 COMPONENTS DESCRIPTION / TX-RX 单元 (X57-7330-10) TX-RX unit (X57-7330-10) 有关号码名称说明 Ref. No. Part Name Description 锁相环路系统 Phase Locked Loop system IC100 IC100 IC200 中频系统 IC200 IF System IC300 基带 IC300 Base Band IC301 有源滤波器...
Page 18 TK-3230 元件说明 COMPONENTS DESCRIPTION / 有关号码名称说明 Ref. No. Part Name Description 二极管失锁检测 Diode Unlock detect Variable capaci- 可变电容二极管 TX 调制 TX modulation tance Diode 二极管电流导引 Diode Current Steering D6,7 二极管 RF 开关 D6,7 Diode RF switch D101,200,201 二极管...
Page 19: Parts List
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-3230 (Y50-6163-01) TX-RX UNIT (X57-7330-10) Desti- Desti- Ref. No.
Page 20 TK-3230 零件表 PARTS LIST / TX-RX UNIT (X57-7330-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C210 CK73FB0J106K CHIP C 10UF C325 CK73GB0J475K CHIP C 4.7UF C211 CK73HB1A224K CHIP C 0.22UF...
Page 21 TK-3230 零件表 PARTS LIST / TX-RX UNIT (X57-7330-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C451 CC73HCH1H101J CHIP C 100PF L401,402 L92-0138-05 CHIP FERRITE C453 CC73HCH1H020B CHIP C 2.0PF...
Page 22 TK-3230 零件表 PARTS LIST / TX-RX UNIT (X57-7330-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R201 RK73HB1J272J CHIP R 2.7K 1/16W R340 RK73HB1J472J CHIP R 4.7K 1/16W...
Page 23 TK-3230 零件表 PARTS LIST / TX-RX UNIT (X57-7330-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R483 RK73HB1J121J CHIP R 1/16W R484 RK73HB1J000J CHIP R 1/16W R486 RK73HB1J823J...
Page 24: Exploded View
TK-3230 部件分解图 EXPLODED VIEW / TX-RX TX-RX TX-RX TX-RX TX-RX unit : N14-0840-05 M2 x 6 : N80-2006-43 Parts with the exploded numbers larger than 700 are not supplied.
Page 25: Packing
TK-3230 包装 PACKING / 5 Instruction manual (B62-2028-00) 702 Protection bag 19 Hook assy (J29-0736-05) 25 Screw set (N99-2063-05) 704 Packing fixture 16 Item carton case (H52-2218-02) Parts with the exploded numbers larger than 700 are not supplied.
Page 26: Adjustment
TK-3230 ADJUSTMENT Solder the ANT cable to the ANT terminal on the TX-RX Required Test Equipment unit. 1. Stabilized Power Supply 1) The supply voltage can be changed between 0V and 10V, and the current is 3A or more TX-RX unit 2) The standard voltage is 3.8V...
Page 27 TK-3230 调整将 ANT 电缆焊接到 TX-RX 单元的 ANT 端子。所需测试设备 1. 稳定电源 1) 电源电压可以在 0V 和 10V 之间切换，并且电流为 3A 或更大 TX-RX单元 2) 标准电压为 3.8V 2. 直流安培表 1) 1 级安培表 (17 量程和其他功能 )。 2) 全刻度可以设置为 300mA 或 3A。 3) 必须使用较小内部损耗的电缆。...
Page 28 TK-3230 ADJUSTMENT Common Section Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) Set battery jig Battery terminal: 3.8V 2. VCO lock 1) CH: TX high Digital TX-RX Check 2.5V or less...
Page 29: 调整
TK-3230 调整公用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) 设置电池夹具 BATT 端子电压 : 3.8V 2.VCO 锁定 1)CH: TX 高数字电压 TX-RX 检查...
Page 30 TK-3230 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 7. MAX 1) PC tune Linear Adjust it to 4.2kHz. ±0.1kHz deviation CH: TX center detector Jig cable ± peak whichever (Wide) Linear detector ﬁ lter...
Page 31 TK-3230 调整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 7. 最大频偏 1)PC 同调线性检波 ANT 夹 PC 键调整到 4.2kHz。 ±0.1kHz ( 宽 ) CH: TX 中心...
Page 32 TK-3230 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Test mode Check SINAD: 12dB or more (Wide) CH: RX low, high Oscilloscope Jig cable SSG output: –117dBm (0.32µV) AF V.M...
Page 33 TK-3230 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 1) 测试模式 ANT 夹检查 SINAD: 12dB 或更高（宽） CH: RX 低 , 高...
Page 34: Pc Board
TK-3230 板 PC BOARD / PC TX-RX UNIT (X57-7330-10) Component side view (J79-0103-19) L400 C401 R403 IC401 R417 R416 Q404 R453 IC400 BATT+ R437 Q405 IC404 C430 C402 R487 R486 C419 D302 C363 C337 C340 C346 C468 R330 C324 R349...
Page 35 TK-3230 板 PC BOARD / PC TX-RX UNIT (X57-7330-10) Component side view (J79-0103-19) C451 J300 EXT. SP/MIC VR301 C204 C203 R207 C216 R352 R202 C200 R200 R208 R216 C205 C208 Q201 R205 C223 C221 C224 C219 Q202 C268 C217 R212...
Page 36 TK-3230 板 PC BOARD / PC TX-RX UNIT (X57-7330-10) Foil side view (J79-0103-19) C349 R351 C360 R357 R347 Q402 Q401 D400 Q400 MENU Ref. No. Address Ref. No. Address Ref. No. Address IC303 Q402 D307 IC403 Q403 D308 IC405 Q408...
Page 37 TK-3230 板 PC BOARD / PC TX-RX UNIT (X57-7330-10) Foil side view (J79-0103-19) R407 R406 C460 BATT+ IC403 F300 R413 R414 INT. SP+ C448 R441 INT. SP– C446 L404 C445 C211 RSSI L405 C444 R475 C417 Q403 R428 C426 BUSY...
Page 38: Schematic Diagram
TK-3230 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7330-10) IC400 XC61CN2802N 3.80V 2.99V 2.977V DC SW (3T) IC404 VoUT BH30FB1WG 3.80V Q404 2.89V BATL KRA305E VOLTAGE DETECT VoUT DC SW (3C) RESET SW 2.845V Q405 IC401 STBY KRA305E XC61CN2702N VOLTAGE REGULATOR(3V)
Page 39 TK-3230 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7330-10) AUDIO POWER AMP IC303 R339 LM4865M-N L300 C351 INT.SP -Vin Bypass 0.15u L301 2.969V DC vol. Q301 SPAMP 2SK1824-A SPEAKER AMP R315 VR300 VR301 R31-0667-05 D308 SURGE ABSORPTION C331 R336 BEEP 0.047u...
Page 40 TK-3230 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7330-10) SHIELD CASE (VCO) R:0.36V 1.576V T:0.33V 1.365V RF AMP TX MODULATION R:0.783V L409 RF BUFFER AMP 1.6V T:0.77V 2SC5066-F(O) 4.2p 3.3n 470p 2SC5066-F(O) C459 2SC5488 0.5p 1.0u 0.765V FREQUENCY 0.38V CONTROL R:2.843V T:0.833V...
Page 41 TK-3230 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7330-10) TX PRE-DRIVE TX DRIVE TX FINAL Q101 Q104 Q103 2SC5092-F RQA0002DNS RQA0004PXDQS R:3.776V ANTENNA SW RF SW T:0.751V T:0.78V T:2.77V T:0.8V T:3.793V T:0.593V L411 L102 L105 C113 C120 C134 D101 C101 R469...
Page 42: Block Diagram
TK-3230 方块图 BLOCK DIAGRAM / TX-RX UNIT (X57-7330-10) Fuse Power switch Low Pass 2.5A Battery Filter F300: F53-0324-05 Volume Voltage Regurator Protector C432,C434 VR300 D4: 1SV214-F R444,R445 IC404: BH30FB1WG D304: GN1G Loop Filter Switch Frequency PDATA Q405: KRA305E Control PCLK...
Page 43 TK-3230 方块图 BLOCK DIAGRAM / Tx/Rx: 460.000~ 470.000MHz T90-1068-05 Lipple Q4: 2SC4617(S) SCLK Converter IC100: BH2219FVM Filter D5: MA2S111-F DI/O D4: 1SV214-F VCONT Low Pass Filter Tx: 460.000~ 470.000MHz Drive Frequency Buffer Pre-drive Final RF Amp Switch Control Q2: 2SC5488...
Page 44: Level Diagram
TK-3230 电平图 LEVEL DIAGRAM /...
Page 45: Optional Accessories
TK-3230 可选附件 OPTIONAL ACCESSORIES / KNB-46L (Li-ion battery pack / 锂离子电池 ) KBH-14 (Belt clip / 皮带夹 ) ■ External View / 外视图 ■ External View / 外视图 KSC-37 (Rapid charger / 快速充电器 ) ■ Speciﬁ cations / 规格 ■ External View / 外视图...
Page 46 TK-3230 OPTIONAL ACCESSORY (KSC-37: RAPID CHARGER) ■ Flow Chart ✽ START Rapid charge Constant current: 1050mA±5% Does T contact? Constant voltage: 4.5V±1% for Li-ion LED: Red, 180min timer start Red LED with 1sec Error battery Are output LED: Red flash...
Page 47 TK-3230 可选附件 ( 快速充电器 ) ■流程图 ✽ 开始快速充电否恒定电流: 1050mA±5% T是否接触？恒定电压: 4.5V±1% 用于锂离子是 LED: 红色, 180分钟定时器开始红色LED点亮1秒钟是电池错误是是 Vchg 4.75V±0.1V or LED: 红色闪烁... 输出端子是否短路？ Vchg 2.55V±0.1V T触点关闭时返回开始否否待机温度 LED：红色否 Vchg 4.1V±0.1V 10分钟后...
Page 48 TK-3230 可选附件快速充电器 OPTIONAL ACCESSORY / (KSC-37: RAPID CHARGER / ■ PC Board / 印刷电路板 (Component side view / 元件面视图 ) JACK ■ PC Board / 印刷电路板 (Foil side view / 铜箔面视图 )
Page 49 TK-3230 可选附件快速充电器 OPTIONAL ACCESSORY / (KSC-37: RAPID CHARGER / ■ Schematic Diagram / 原理图 +DC IN +VBAT JACK –VBAT VCC1 – VCC2 JK10 VCC2 VCC1 – – – LED1 GREEN...
Page 50: Specifications
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...
Page 51 TK-3230 TK-3230 板板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-7330-10) Component side view (J79-0103-19) TX-RX UNIT (X57-7330-10) Component side view (J79-0103-19) L400 C401 R403 C451 IC401 R417 R416 J300 EXT. SP/MIC Q404 R453 IC400 BATT+...
Page 52 TK-3230 TK-3230 板板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-7330-10) Foil side view (J79-0103-19) TX-RX UNIT (X57-7330-10) Foil side view (J79-0103-19) R407 R406 C460 C349 R351 C360 R357 BATT+ IC403 F300 R413 R414 INT. SP+...
Page 53 TX-RX UNIT (X57-7330-10) IC400 AUDIO POWER AMP XC61CN2802N 3.80V 2.99V IC303 SHIELD CASE (VCO) R339 LM4865M-N TX PRE-DRIVE TX DRIVE TX FINAL Q101 L300 R:0.36V Q103 Q104 1.576V T:0.33V 2SC5092-F RQA0004PXDQS RQA0002DNS R:3.776V 1.365V RF SW T:0.751V T:0.78V T:2.77V T:0.8V T:3.793V T:0.593V ANTENNA SW...
Page 54 TX-RX UNIT (X57-7330-10) Fuse Power switch Low Pass Tx/Rx: 460.000~ 2.5A Battery Filter 470.000MHz F300: F53-0324-05 T90-1068-05 Lipple Q4: 2SC4617(S) SCLK Volume Converter IC100: BH2219FVM Filter D5: MA2S111-F Voltage DI/O Regurator Protector C432,C434 VR300 D4: 1SV214-F VCONT R444,R445 IC404: BH30FB1WG D304: GN1G Low Pass Loop Filter...

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