Kenwood TK-3178 Service Manual

Uhf fm transceiver

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UHF FM TRANSCEIVER / UHF

TK-3178

SERVICE MANUAL /

Helical antenna

(T90-1032-55)

Knob (Selector)

(K29-9340-13)

Knob (Volume)

(K29-9278-23)

Badge

(B43-1178-14)

Knob (PTT)

(K29-9447-03)

Key top (Side)

(K29-9341-03)

Plastic cabinet assy

(A02-4090-13)

Packing

(G53-1836-01)

GENERAL .....................................................3

SYSTEM SET-UP .........................................4

REALIGNMENT ...........................................4

DISASSEMBLY FOR REPAIR ......................9

CIRCUIT DESCRIPTION ............................12

SEMICONDUCTOR DATA .........................21

COMPONENTS DESCRIPTION .................24

PARTS LIST ...............................................27

EXPLODED VIEW ......................................36

PACKING ....................................................37

RoHS

This product complies with the

调频手持对讲机

(

)

维修手册

CONTENTS

directive for the European market.

B51-8888-00 ( N ) 55

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/

ADJUSTMENT ..........................................38

TERMINAL FUNCTION .............................54

PC BOARD

TX-RX UNIT (X57-7013-06) (A/4) ............56

TX-RX UNIT (X57-7013-06) (B,C,D/4) .....58

SCHEMATIC DIAGRAM ............................62

BLOCK DIAGRAM .....................................70

LEVEL DIAGRAM ......................................72

SPECIFICATIONS ......................................73

This product uses Lead Free solder.

Table of Contents

Summary of Contents for Kenwood TK-3178

Page 1: Table Of Contents
UHF FM TRANSCEIVER / UHF 调频手持对讲机 TK-3178 SERVICE MANUAL / 维修手册 © 2009-10 PRINTED IN JA PAN B51-8888-00 ( N ) 55 Helical antenna (T90-1032-55) Knob (Selector) (K29-9340-13) Knob (Volume) (K29-9278-23) Badge (B43-1178-14) 无铅焊接通信产品 Knob (PTT) (K29-9447-03) 保护环境建伍领先 Key top (Side) (K29-9341-03) 注意∶本产品是无铅化焊接产品...
Page 2 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-3178 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: System Set-Up
Type 频率范围 (MHz) 射频功率类型 Choose the type of transceiver TX/RX 350~390 TK-3178(L) C6 选择手持对讲机的类型 A personal computer, programming interface (KPG-22/22A), and Transceiver programming programming software (KPG-127D) are required for programming. 手持对讲机编程 (The frequency, TX power HI/LOW, and signaling data are programmed for the transceiver.)
Page 5 TK-3178 模式组合 REALIGNMENT / 模式功能 Mode Function 手持对讲机信息模用于确认 MPT ESN、固件版本和手持对讲 Transceiver infor- Used to conﬁ rm the MPT ESN, ﬁ rmware ver- 式机序列号。 mation mode sion and transceiver serial number. 固件版本信息用于确认内部固件版本。 Firmware version Used to conﬁ rm the internal ﬁ rmware ver- information sion.
Page 6 TK-3178 模式组合 REALIGNMENT / 注意： Note: • 个人电脑保存的数据写入 EEPROM 时，必须与机型和类型相 • The data stored in the personal computer must match 符。 Model Name and Model Type when it is written into EE- • 请勿在数据发送或接收期间按 [PTT] 键。 PROM. • Do not press the [PTT] key during data transmission or reception.
Page 7 TK-3178 模式组合 REALIGNMENT / 6. 固件编程模式 6. Firmware Programming Mode 6-1. 前言 6-1. Preface 闪存被安装在手持对讲机上。当将来出现新功能时，允许 Flash memory is mounted on the transceiver. This allows 手持对讲机升级。( 要了解如何获得固件的详细情况，请与供 the transceiver to be upgraded when new features are re- 应商联系。) leased in the future. (For details on how to obtain the ﬁ rm- ware, contact Customer Service.)
Page 8 TK-3178 模式组合 REALIGNMENT / 7. 手持对讲机信息模式 7. Transceiver Information Mode 该功能用于确认 MPT ESN、固件版本和手持对讲机序列号。 Use this function to conﬁ rm the MPT ESN, the ﬁ rmware version and the transceiver serial number. 1. 打开电源时按住 [B] 键约 2 秒钟。 2. 用 [ 选择器 ] 选择确认项目。...
Page 9: Disassembly For Repair
TK-3178 维修拆卸 DISASSEMBLY FOR REPAIR / 1. Removing the FPC (J87-0033-05) 2. Separating the Speaker Holder (J19- 1) Remove the solder from the TX-RX unit using a solder 5481-03) from the Control Unit iron ( q ). 1) As in shown in the ﬁ gure below, the speaker holder is at- 2) Peel the double-sided tape ( w ).
Page 10 TK-3178 维修拆卸 DISASSEMBLY FOR REPAIR / 3. 如何组装天线连接器 (E04-0467-05) 和它 3. How to Assemble the Antenna Connec- 的端子 (E23-1188-04) tor (E04-0467-05) and its Terminal (E23- 天线连接器和它的端子是作为单独的零件提供的。 1188-04) 更换天线连接器和 / 或端子时，应在更换前组装零件。 The antenna connector and its terminal are supplied as separate parts.
Page 11 TK-3178 维修拆卸 DISASSEMBLY FOR REPAIR / 4) Lift the speaker holder ( r ), then ﬂ ip it over to the left ( t ). 3) Match the speaker and microphone lead wires with the color-code of silkscreen of the printed circuit board ( e ), 5) Insert the tabs of the speaker holder into the slots of the then solder them in place.
Page 12: Circuit Description
TK-3178 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 49.95M 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。 49.95MHz and the second IF is 450kHz. The ﬁ rst local oscil- 发射部由锁相环电路直接产生所需要的频率。图 1 显示各...
Page 13 TK-3178 电路说明 CIRCUIT DESCRIPTION / 2-3. 中频放大电路 2-3. IF Ampliﬁ er Circuit 第一中频信号通过晶体滤波器 ( X F701) 消除相邻信道的信 The ﬁ rst IF signal is passed through a four-pole monolithic 号。经滤波的第一中频信号被第一中频放大器 ( Q703) 放大并 crystal ﬁ lter (XF701) to remove the adjacent channel signal.
Page 14 TK-3178 电路说明 CIRCUIT DESCRIPTION / 2-6. 静噪电路 2-6. Squelch Circuit FM IC(IC701) 输出的 AF 信号的一部分再进入 IC，噪声成 Part of the AF signal from the IC enters the FM IC (IC701) 份通过滤波器和放大器进行放大和修正，生成与噪声电平相 again, and the noise component is ampliﬁ ed and rectiﬁ ed by 应的...
Page 15 TK-3178 电路说明 CIRCUIT DESCRIPTION / 3-2. 驱动器和终端放大器电路 3-2. Drive and Final Ampliﬁ er Circuit 来自于 T/R 开关 (D516 ON) 的信号被预驱动放大器 (Q602) The signal from the T/R switch (D516 is on) is ampliﬁ ed 和驱动放大器 (Q603) 放大到 50mW。 by the pre-drive (Q602) and drive ampliﬁ er (Q603) to 50mW.
Page 16 TK-3178 电路说明 CIRCUIT DESCRIPTION / I C4 的 R X 针脚在接收模式时为“ 低 ” 电位，使 Q503 和 The RX pin of IC4 goes “low” in receive mode causing Q504(2/2) 打开。T X 针脚在发射模式时为“ 低 ” 电位，使...
Page 17 TK-3178 电路说明 CIRCUIT DESCRIPTION / 5-1. 频率偏移电路 5-1. Frequency Shift Circuit 微处理器 (IC7) 在 11.0592MHz 时钟下工作。此振荡器有可 The microprocessor (IC7) operates at a clock of 11.0592 以被拍频偏移开关 (Q17,Q18) 变换频率的电路。 MHz. This oscillator has a circuit that shifts the frequency by 如果“拍频偏移”被设定为 ON，可以避免产生拍频声音。...
Page 18 TK-3178 电路说明 CIRCUIT DESCRIPTION / 低电池电量警告电池状态 Low battery warning Battery status 电池电压低，但手持对讲机仍 The red LED blinks during the The battery voltage is low but 发射期间红色 LED 闪烁。能使用。 transmission. the transceiver is still usable.
Page 19 TK-3178 电路说明 CIRCUIT DESCRIPTION / 5-6. LCD 5-6. LCD LCD 是用 TX-RX 单元 (B/4) 的连接口 (CN82) 的总线来控制 The LCD is controlled using the bus lines on the connec- 的。使用 VR1 补正 LCD 的对比度电压。 tor (CN82) of the TX-RX unit (B/4). It corrects the LCD con- trast voltage using VR1.
Page 20 TK-3178 电路说明 CIRCUIT DESCRIPTION / 6-2. 解码 6-2. Decode ■ QT/DQT ■ QT/DQT I F I C ( I C701) 的输出信号通过 I C11 送入微处理器 ( I C7)。 The output signal from IF IC (IC701) enters the micropro- I C7 确认 Q T 或 D Q T 是否与预设值匹配，并用 I C5 控制 A M1，...
Page 21 TK-3178 半导体数据 SENCONDUCTOR DATA / 微处理器 : 30875MHB069GP(TX-RX 单元 IC7) MCU: 30875MHB069GP (TX-RX unit IC7) 管脚号端口名称输入 / 输出功能 Pin No. Port Name Function SFTOE 输出 BU4094BCFV 输出启动 SFTOE BU4094 output enable SFTSTB 输出 BU4094 选通脉冲 SFTSTB BU4094 strobe 输出...
Page 22: Semiconductor Data
TK-3178 半导体数据 SEMICONDUCTOR DATA / 管脚号端口名称输入 / 输出功能 Pin No. Port Name Function RXD2/AIMH 输入选件板 RXD2/AIMH Option board DACCLK 输出 DAC 时钟 DACCLK DAC clock DACDAT 输出 DAC 数据 DACDAT DAC data 输出音频静音 2 Audio mute 2 输出...
Page 23 TK-3178 半导体数据 SENCONDUCTOR DATA / 管脚号端口名称输入 / 输出功能 Pin No. Port Name Function 119~122 D3~D0 输入 / 输出数据总线 3~0 119~122 D3~D0 I/O Data bus 3~0 AUX1 输出选件板 AUX1 Option board EEPDAT 输入 / 输出 EEPROM 数据...
Page 24: Components Description
TK-3178 元件说明 COMPONENTS DESCRIPTION / TX-RX 单元 (X57-7013-06) TX-RX unit (X57-7013-06) 有关号码零件名称说明 Ref. No. Part Name Description 电压检测器 /INT Voltage detector / INT 电压调节器 /5V Voltage regulator / 5V 电压检测器 / 复位 Voltage detector / RESET IC4,5 位移寄存器...
Page 25 TK-3178 元件说明 COMPONENTS DESCRIPTION / 有关号码零件名称说明 Ref. No. Part Name Description 场效应管 AF 放大器直流电源开关 AF ampliﬁ er DC supply switch Q25,26 场效应管麦克风 ALC Q25,26 MIC ALC 晶体管 AF 静音控制开关 Transistor AF mute control switch 场效应管 AF 静音开关...
Page 26 TK-3178 元件说明 COMPONENTS DESCRIPTION / 有关号码零件名称说明 Ref. No. Part Name Description D33~37 变阻器电涌吸收器 D33~37 Varistor Surge absorber D501 二极管快速锁定二极管 D501 Diode Fast lock up diode D502,503 二极管 F-IN 滤波器位移开关 D502,503 Diode F-IN ﬁ lter shift switch...
Page 27: Parts List
TK-3178 零件表 PARTS LIST / CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
Page 28 TK-3178 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 Les articles non mentionnes dans le Parts No.
Page 29 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation CS77AA0J150M CHIP TNTL 15UF 6.3WV C134 CK73HB1A473K CHIP C 0.047UF CK73HB1A104K CHIP C 0.10UF...
Page 30 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C291 CK73HB1A104K CHIP C 0.10UF C583 CK73HB1A104K CHIP C 0.10UF C294-296 CK73HB1A104K CHIP C 0.10UF...
Page 31 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C714 CC73HCH1H390J CHIP C 39PF C904 CK73HB1H471K CHIP C 470PF C715 CK73HB1H471K...
Page 32 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation L613 L41-8268-14 SMALL FIXED INDUCTOR (8.2NH) RK73HB1J103J CHIP R 1/16W L614 L41-2285-45...
Page 33 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R135 RK73HB1J000J CHIP R 1/16W R215 RK73HB1J334J CHIP R 330K 1/16W R137...
Page 34 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R507 RK73HB1J101J CHIP R 1/16W R634 RK73HB1J103J CHIP R 1/16W R508 RK73HB1J330J...
Page 35 TK-3178 零件表 PARTS LIST / TX-RX UNIT (X57-7013-06) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation S70-0424-05 TACT SWITCH Q17,18 2SC4919-S TRANSISTOR S70-0457-05 TACT SWITCH SSM3K15TE(F) S3,4 S70-0424-05...
Page 36: Exploded View
TK-3178 部件分解图 EXPLODED VIEW / : N09-2438-05 : N09-6571-05 : N14-0805-04 : N14-0833-04 M3 x 6 : N30-3006-43 M2 x 3 : N79-2030-48 G M2 x 5 : N83-2005-48 30x2 RF UNIT TX-RX unit (D/4) SHIELDING PLATE TX-RX unit (A/4)
Page 37: Packing
TK-3178 包装 PACKING / 712 Item carton case 14 Instruction manual (B62-2202-00) 53 Hook (J29-0701-15) 70 Helical antenna (T90-1032-55) 6 Cap (B09-0686-03) 51 Holder (J19-5483-23) 54 Handstrap (J69-0366-15) 47 Protection bag (H25-0029-04) 713 Packing fixture Parts with the exploded numbers larger than 700 are not supplied.
Page 38: Adjustment
TK-3178 ADJUSTMENT Controls “FNC” appears Selector Function Display Volume High power / Low power Low: icon appears Function off Compander on/off icon appears Beat shift on/off icon appears [Selector] Test frequency CH up/down - [Side1] Squelch level 0 icon appears...
Page 39 TK-3178 调整控制 “FNC”出现键选择器功能显示音量高功率 / 低功率低功率 : 图标出现功能关压缩扩展器打开 / 关闭打开 : 图标出现拍频偏移打开 / 关闭打开 : 图标出现 [ 选择器 ] 测试频率 CH 上调 / 下调 [Side1] 静噪电平...
Page 40 TK-3178 ADJUSTMENT ■ Key operation • Test signaling Function None None Push Hold (1 second) None 100Hz Square Wave End of panel tuning mode QT: 67.0Hz QT: 67.0Hz To enter 3 or 5 reference level adjustments QT: 151.4Hz QT: 151.4Hz Writes the adjustment QT: 210.7Hz...
Page 41 TK-3178 调整 ●测试信令 ■键操作号接收发射功能键无无按下按住 (1 秒钟 ) 无 100Hz 方波结束面板调谐模式 QT:67.0Hz QT:67.0Hz 进入 3 或 5 点基准电平调节 QT:151.4Hz QT:151.4Hz 写入调整值 QT:210.7Hz QT:210.7Hz 返回到最后调整的项 QT:254.1Hz QT:254.1Hz...
Page 42 TK-3178 ADJUSTMENT ■ Panel tuning mode ﬂ ow chart Note: In this Panel tuning mode ﬂ ow chart, the Adjustment item name is modiﬁ ed. 3 reference level Frequency adjustments 5 reference level High power adjustments 3 reference level Low power...
Page 43 TK-3178 调整 ■面板调谐模式流程图注意 : 在此面板调谐模式流程图中，调整项目的名称作了修改。频率 3点基准电平调节低高功率 5点基准电平调节 3点基准电平调节低功率中心 3点基准电平调节 DQT平衡窄 [Side2] [Side2] 最大频偏窄最大频偏宽高 3点基准电平调节 3点基准电平调节结束 [Side2] [Side2] QT频偏窄 QT频偏宽 [Side2] [Side2] DQT频偏窄 DQT频偏宽...
Page 44 In adjustment mode, battery type detection is nut, use a recommendation tool. not performed. KENWOOD part No.: W05-1123-00 Note: When using the battery jig, you must measure the voltage at the terminals of the battery jig. Otherwise, a slight voltage drop may occur within the power cable, be- tween the power supply and the battery jig, especially while the transceiver transmits.
Page 45 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原理图 [SMA(f) － BNC(f) 或 SMA(f) － N(f)] 进行调整。( 转换头不作为可选件提供，因此请购买商用转换头。) －端子 (黑色) – ■电池夹具 (W05-0909-00) 在通对讲机电池夹具和电源之间连接适当的电源电缆，确电源电源电缆认了输出电压之后接通电源开关，电压超过或极性颠倒都有可能损坏对讲机。当在用户模式使用电池夹具时，对讲机假定安装的是锂离＋端子子电池。在调整模式，请确认电池类型。 (红色) 注∶ 当使用电池夹具时，你必须测定电池夹具的终端电压。 ■螺母扳手因为，电源和电池夹具之间会有一些的电压下降，尤其在对为了转动音量螺母和信道选择螺母，请使用推荐的工具。讲机发射的时候。 KENWOOD 零件号 : W05-1123-00 ＋端子 (红色) －端子 (黑色)
Page 46 TK-3178 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 47 TK-3178 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) 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 48 TK-3178 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 4. Low 1) Adj item: [LPWR] Power meter Panel Panel Selector 1.0W ±0.1W Transmit Adjust: [✳✳✳] Ammeter knob 0.9A or less Power 2) Adj item: [L LPWR] →...
Page 49 TK-3178 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 4. 低发射功率 1) 调整项目 :[LPWR] 功率计面板天线面板选择器 1.0W ±0.1W 调整调整 :[✳✳✳] 电流表 0.9A 或更低...
Page 50 TK-3178 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 10. DQT Fine 1) Adj item: [n DQT] Power meter Panel Panel Selector 0.35kHz ±40Hz Deviation Adjust: [✳✳✳] knob adjust Deviation meter ﬁ lter...
Page 51 TK-3178 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 10.DQT 1) 调整项目 :[n DQT] 功率计面板天线面板选择器 0.35kHz ±40Hz 细频偏调整调整 :[✳✳✳] 频偏仪滤波器频偏仪...
Page 52 TK-3178 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Adj item: [SENS] Panel Panel Selector Adjust for RSSI MAX Rotate the selector knob and adjust Adjust: [✳✳✳]...
Page 53 TK-3178 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. 灵敏度调整 1) 调整项目 :[SENS] 面板天线面板选择器 RSSI MAX 调节转动选择旋钮，从“1”开始调整 :[✳✳✳] 增大调整值，直到获得 RSSI 2) 调整项目...
Page 54: Terminal Function
TK-3178 TERMINAL FUNCTION ■ CN18 and CN901 ■ CN82 CN18 CN901 Terminal Terminal Pin No. Terminal function Terminal function name name Pin No I/O Pin No. I/O LCD Driving voltage output LCD Driving voltage output Transmitter Power control voltage LCD Driving voltage output...
Page 55 TK-3178 端子功能 ■ CN18 和 CN901 ■ CN82 CN18 CN901 号码名称功能名称功能号码 I/O 号码 I/O LCD 驱动电压输出接地 LCD 驱动电压输出发射功率控制电压 LCD 驱动电压输出电源放电开关 LCD 驱动电压输出 APCSW APC 控制开关 LCD 驱动电压输出...
Page 56: Pc Board
TK-3178 板 PC BOARD / PC TX-RX UNIT (X57-7013-06) (A/4) Component side view (J79-0286-09 A/4) Component side Ref. No. Address Layer 1 IC501 Layer 2 L619 IC601 Layer 3 IC701 Layer 4 Q501 Layer 5 D901 Q605 Layer 6 F901...
Page 57: Tx-Rx Unit (X57-7013-06) (B,C,D/4)
TK-3178 板 PC BOARD / PC TX-RX UNIT (X57-7013-06) (A/4) Foil side view (J79-0286-09 A/4) Component side Ref. No. Address Ref. No. Address Layer 1 Q502 D513 Layer 2 Q503 D514 Layer 3 Q504 D515 Layer 4 Q505 D516 Layer 5...
Page 58 TK-3178 板 PC BOARD / PC Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side IC17 Layer 1 IC18 Layer 2 IC11 IC19 Layer 3 IC12 Layer 4 IC13 Layer 5 IC14...
Page 59 TK-3178 板 PC BOARD / PC TX-RX UNIT (X57-7013-06) (C/4) Component side view (J79-0286-09 C/4) J79-0286-09 C/4 TX-RX UNIT (X57-7013-06) (B/4) Component side view (J79-0286-09 B/4) CN81 STSW R106 C190 R180 C153 R105 R101 C149 R104 R100 R122 R103 IC18...
Page 60 TK-3178 板 PC BOARD / PC TX-RX UNIT (X57-7013-06) (C/4) Foil side view (J79-0286-09 C/4) J79-0286-09 C/4 CN71 TX-RX UNIT (X57-7013-06) (B/4) Foil side view (J79-0286-09 B/4) CP54 R257 CP46 R276 CP19 R277 C210 R266 R268 C290 + C208 R289...
Page 61 TK-3178 板 PC BOARD / PC Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side IC25 Layer 1 IC26 Layer 2 IC27 Layer 3 IC28 Layer 4 Layer 5 Layer 6 IC10...
Page 62: Schematic Diagram
TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT : CONTROL SECTION (X57-7013-06) (B/4) BATT BATSEL R31-0624-05 toCPU POWER ON:5V OFF:0V W02-1969-15 7.5V PTT BOARD VOLIN (X57-7013-06) (C/4) BATT BATT PTTI RESET S70-0424-05 D34-37 S70-0457-05 SURGE ABSORBER CN71 PTTI SIDE1 S70-0424-05 SIDE1...
Page 63 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (B/4) 4KEY BOARD (X57-7013-06) (D/4) VOLIN BATT CN82 VOLIN BATT PTTI PTTI RESET RESET SFTSTB SFTOE KEY4O LCDRST D24-27 KEY3O KEY2O INPUT DETECT KEY1O KEY1I MA2S111-F KEY2I MA2S111-F R297 R296 R295 R294...
Page 64 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (B/4) VOLIN VOLIN BATT BATT DACLD DACLD DACCLK DACCLK DACDAT DACDAT PTTI PTTI PTTO OPTDET TXD1 TXD1 LSDOUT LSDOUT BEEP BEEP HSDIN HSDIN XOUT SHIFT HSDO 5M CPU MDSW RESET CNVSS RESET...
Page 65 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (B/4) DACLD DACLD DACCLK DACCLK DACDAT DACDAT PTTI PTTI PTTO PTTO OPTDET OPTDET TXD1 TXD1 LSDOUT LSDOUT VREF BEEP BEEP HSDIN HSDIN XOUT SHIFT SHIFT HSDO HSDO 5M CPU R103 CP54 0.015u...
Page 66 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (B/4) DACLD DACLD DACCLK DACCLK DACDAT DACDAT PTTI PTTI PTTO PTTO OPTDET OPTDET TXD1 TXD1 VREF VREF R176 C176 0.22u AF SW RN4910(F) R164 C135 180k C118 0.1u R251 C192 4.7u AGND...
Page 67 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (B/4) DACLD DACCLK DACDAT PTTI PTTO OPTDET TXD1 VREF D/A CONVERTER IC16 M62364FP-F R117 R191 VIN1 VIN8 R184 VoUT1 VoUT8 VoUT2 VoUT7 IC17 TK62012F VIN2 VIN7 R224 100k R187 R177 C175 0.01u...
Page 68 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (A/4) RF AMP RF AMP PRE-DRIVE AMP (COMMON) Q601 Q602 R603 R604 2SC5488A-H Q507 TX RF SW 2SK3077F 2SC5488A-H C584 C579 D516 C601 R602 C609 R609 C611 R923 6p(B) 4p(B) HSC277 470p 470p T:0.5V(Hi)
Page 69 TK-3178 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-7013-06) (A/4) D604 L616 L617 L618 TX DRIVE AMP D604,605 RF FINAL AMP STRIP HVC131 Q603 ANT SW LINE Q604 C670 C676 C679 C681 C683 L613 D605 RD01MUS1-T113 2SK3476-F 8.2n L605 L608 HVC131...
Page 70: Block Diagram
TK-3178 方块图 BLOCK DIAGRAM / MAIN BOARD RF BOARD X57-701 (B/4) X57-701 (A/4) SIDE KEY Q501 B30-2278-05 2SC5488 DOUBLER Q502 UPA672T 2SK508NV( D505,50 CONTROL CIRCUIT 1SV325F TUNE D513 1SV278 LEDG,LEDR D502,503 2SC4617(S) HSC277x2 D501,517 2SB1132(Q,R) PLE,PDAT, MA2S077x2 PCLK LOOP TX,RX...
Page 71 TK-3178 方块图 BLOCK DIAGRAM / Q502 2SK508NV(K52) D505,507 1SV325Fx2 D513 1SV278F D604,605,606,608 Q506 Q507 D515,516 Q601 Q602 Q603 Q604 2SK3476 HVC131x4 2SC5488 2SC5488 HSC277x2 2SC5488 2SK3077F RD01MUS1 BUFFER BUFFER PRE-DRIVE DRIVE RF FINAL TX/RX SWITCH L616,617,618 Q505 2SC4617(S) 5T,5R D601 D514 UDZS4.7B...
Page 72: Level Diagram
TK-3178 电平图 LEVEL DIAGRAM /...
Page 73: Specifications
TK-3178 SPECIFICATIONS GENERAL Frequency range .........350~390MHz Channel spacing .........Wide : 25kHz Narrow : 12.5kHz Battery voltage ...........7.5V DC ±20% Battery life (5-5-90 duty cycle)/Approx. hours KNB-26N (2000mAh) .......12 KNB-35L (1950mAh) .......11 Operating temperature range .....–22°F~+140°F (–30°C~+60°C) Frequency stability ........±0.00025% (–22°F~+140°F) Antenna impedance ........50Ω...
Page 74 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 75 TK-3178 板 PC BOARD / PC TX-RX UNIT (X57-7013-06) (A/4) Component side view (J79-0286-09 A/4) Component side Ref. No. Address Layer 1 IC501 Layer 2 L619 IC601 Layer 3 IC701 Layer 4 Q501 Layer 5 D901 Q605 Layer 6 F901...
Page 76 TK-3178 板 PC BOARD / PC TX-RX UNIT (X57-7013-06) (A/4) Foil side view (J79-0286-09 A/4) Component side Ref. No. Address Ref. No. Address Layer 1 Q502 D513 Layer 2 Q503 D514 Layer 3 Q504 D515 Layer 4 Q505 D516 Layer 5...
Page 77 TK-3178 TK-3178 板板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-7013-06) (C/4) Component side view Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side (J79-0286-09 C/4) IC17 Layer 1...
Page 78 TK-3178 TK-3178 板板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-7013-06) (C/4) Foil side view Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side (J79-0286-09 C/4) IC25 Layer 1...
Page 79 TX-RX UNIT : CONTROL SECTION (X57-7013-06) (B/4) 4KEY BOARD TX-RX UNIT (X57-7013-06) (A/4) (X57-7013-06) (D/4) RF AMP RF AMP TX DRIVE AMP D604 L616 L617 L618 BATT (COMMON) PRE-DRIVE AMP RF FINAL AMP STRIP D604,605 HVC131 Q507 R603 R604 2SC5488A-H Q601 Q602 RD01MUS1-T113...
Page 80 MAIN BOARD RF BOARD X57-701 (B/4) X57-701 (A/4) SIDE KEY Q501 B30-2278-05 2SC5488 DOUBLER Q502 UPA672T 2SK508NV(K52) D505,507 CONTROL CIRCUIT 1SV325Fx2 TUNE D513 1SV278F LEDG,LEDR D502,503 2SC4617(S) HSC277x2 D501,517 Q604 D604,605,606,608 Q506 Q507 D515,516 Q601 Q602 Q603 2SB1132(Q,R) PLE,PDAT, MA2S077x2 2SC5488 2SC5488 HSC277x2...

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