Kenwood TK-3118 Service Manual
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Kenwood TK-3118 Service Manual

Uhf fm transceiver
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UHF FM TRANSCEIVER / UHF FM
TK-3118
SERVICE MANUAL /
Panel assy
(A62-0932-03)
Knob
(PTT, MONI)
(K29-9027-03)
TK-3118
手持机
Helical Antenna
(T90-0759-05)
Knob
(VOL)
(K29-5442-03)
Knob(ENC)
(K29-5443-03)
Key top
Key top(DTMF)
(K29-9028-13)
Cabinet assy
(Front)
(A02-3559-13)
维修手册
© 2001-8 PRINTED IN JAPAN
B51-8576-00 (S) 668
CONTENTS
GENERAL .................................................................. 2
REALIGNMENT ......................................................... 3
CIRCUIT DESCRIPTION ......................................... 11
SEMICONDUCTOR DATA ....................................... 17
DESCRIPTION OF COMPONENTS ........................ 19
TERMINAL FUNCTION ........................................... 21
PARTS LIST ............................................................. 22
EXPLODED VIEW ................................................... 29
PACKING ................................................................. 30
ADJUSTMENT ......................................................... 31
PC BOARD VIEWS
DISPLAY UNIT (X41-3583-00) ............................ 37
TX-RX UNIT (X57-6243-00) ................................ 39
SCHEMATIC DIAGRAM .......................................... 51
BLOCK DIAGRAM .................................................. 55
LEVEL DIAGRAM ................................................... 57
BC-20, PB-40, PB-41, BT-12 ................................... 58
SPECIFICATIONS ................................ BACK COVER

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Summary of Contents for Kenwood TK-3118

  • Page 1: Table Of Contents

    手持机 UHF FM TRANSCEIVER / UHF FM TK-3118 维修手册 SERVICE MANUAL / © 2001-8 PRINTED IN JAPAN B51-8576-00 (S) 668 Helical Antenna (T90-0759-05) Knob (VOL) (K29-5442-03) Knob(ENC) (K29-5443-03) Panel assy (A62-0932-03) CONTENTS GENERAL ..............2 REALIGNMENT ............3 Knob CIRCUIT DESCRIPTION ......... 11 (PTT, MONI) SEMICONDUCTOR DATA ........

  • Page 2: General

    TK-3118 目录 目录 目录 目录 目录 概述................2 调整 ................31 模式组合 ..............3 PC板视图 电路说明 ..............11 显示单元 (X41-3583-00) ........37 半导体数据 ..............18 发射－接收单元 (X57-6243-00) ......39 元件说明 ..............19 原理图 ............... 51 端子功能 ..............21 方块图 ............... 55 零件表...

  • Page 3: Realignment

    TK-3118 模式组合 REALIGNMENT/ 配合使用，暂时将频道闭锁在扫描之外，并且设定对 1. 各部分介绍 讲机的显示屏照明灯的条件。 o o o o o LOW 键 按下本键切换输出功率的高和低。也可以同时使用 FUNC 键设定静噪电平和 VOX 增益。 !0 !0 !0 !0 !0 DTMF（双音多频）键盘 用于存储和发射 DTMF 号码。 !1 !1 !1 !1 !1 MIC-SP 插孔 连接另购的扬声器／麦克风。 MONI 显示屏 q q q q q Power（电源）开关／Volume（音量）控制器...
  • Page 4 TK-3118 模式组合 REALIGNMENT/ 3. 如何进入每一种模式 3. How to enter each mode 模式类型 操作步骤 MODE PROCEDURE 用户模式 电源ON User Mode Power ON 自台编程模式 [MONI]＋[DIAL]＋电源ON (高于2秒) Self Programming [MONI] + [DIAL] + POWER ON Mode (More than 2 sec) 无线复制模式 [MONI]＋[LOW]＋电源ON (高于2秒)
  • Page 5 TK-3118 模式组合 REALIGNMENT/ … 2) 信道设定 2) Channel setting 操作： Operation: 进入自台编程模式后按[LOW]键。 After entering Self-Programming Mode Press the [ LOW ] key. LCD变为 The LCD changes to CH 1 1 CH 1 1 当您在设置数据后按下PTT开关，您便可继续到下一项。 When you press the PTT switch after setting the data, you （请翻阅8页项目6）...
  • Page 6 TK-3118 模式组合 REALIGNMENT/ ∗2 QT/DQT频率表 ∗2 QT/DQT frequency table OFF/ QT/ DQT: 按下[LOW]键 OFF/ QT/ DQT: Press the [LOW] key DQT正常/反向: 按下[DIAL] DQT Normal/ Inverse: Press the [DIAL] key • QT frequencies (39 frequencies table) / QT频率 (39个频率表） QT Frequency [Hz]...
  • Page 7 TK-3118 模式组合 REALIGNMENT/ 5. Function setting / 功能设定 display [MONI]+[DIAL]+[POWER ON](2sec) / SELF Self programming mode [SCAN] 0-9 key / 000 0 000 to 999 / Selective call ID [FUNC] [PTT] CH Selector / ON 1 OFF:BEEP OFF / Beep setting 信道选择器...
  • Page 8 TK-3118 模式组合 REALIGNMENT/ 6. Channel Setting / 信道设定 [MONI]+[DIAL]+[POWER ON] (2sec) / display [监听]+[拨号]+[电源ON] (2秒) SELF 自台编程模式 Self programming mode [LOW] Select channel CH Selector / 信道选择 1 to 50 channel Channel select CH 1 信道选择器 选择信 1至 50 [FUNC]...
  • Page 9 TK-3118 模式组合 REALIGNMENT/ 7. 无线复制模式 7. Wireless Clone Mode TK-3118具有无线复制功能。 The TK-3118 has a wireless Clone function. 当使用FPU禁止无线复制功能时，不可接通复制模式。 When the wireless clone function is disabled through using the FPU, clone mode cannot be turned ON. [MONI]+[LOW]+[POWER ON](2sec) [MONI]+[LOW]+[电源ON] (2秒) display Default freqency / 缺省频率...
  • Page 10 • KPG-22 description (计算机编程接口电缆：可选件) (PC programming interface cable: Option) KPG-22电缆用于将TK-3118与电脑连接。在其D型副插座(25 The KPG-22 cable is required to interface the TK-3118 to a 芯)中有一个电平转换电路，此电路可以把RS-232C逻辑电平 computer. It has a circuit in its D-sub connector (25) pin case 转换为晶体管逻辑电平。 that converts the RS-232C logic level to TTL.

  • Page 11: Circuit Description

    TK-3118 电路说明 CIRCUIT DESCRIPTION / 1. 频率构成 1. Frequency configuration 接收部采用二次变频超外差方式。第一中频为38.85MHz，第 The receiver utilizes double conversion. The first IF is 二中频为450KHz。第一本振频率信号由锁相环电路(ＰＬＬ)提 38.85MHz and the second IF is 450kHz. The first local 供。 oscillator signal is supplied from the PLL circuit.
  • Page 12 TK-3118 CIRCUIT DESCRIPTION / 电路说明 2) 第一混频器 2) First Mixer 来自射频放大器的信号与来自锁相环频率合成器电路的第一 The signal from the RF amplifier is heterodyned with the 本振信号在第一混频器 (Q12) 处混频并生成38.85MHz的第一中 first local oscillator signal from the PLL frequency synthesizer 频 (1st IF) 信号。第一中频信号通过两个单片晶体滤波器 (MCFs: circuit at the first mixer (Q12) to create a 38.85MHz first XF1) 进一步消除邻道的杂波信号。...
  • Page 13 TK-3118 电路说明 CIRCUIT DESCRIPTION / 5) 噪音抑制电路 5) Squelch 来自FM IC的部分音频信号再次输入到FM IC，在放大器Q1 Part of the AF signal from the IC enters the FM IC again, and 出来由滤波器对噪音部分进行放大和整流，并由相应于噪音电 the noise component is amplified and rectified by a filter outside 平的D1产生直流电平。 amplifier Q1 and produce DC level by D1 corresponding to the 直流信号进入微处理器的模拟端口...
  • Page 14 TK-3118 CIRCUIT DESCRIPTION / 电路说明 2) 压控振荡器 2) VCO 在发射模式中通过Q 5 产生操作频率，在接收模式中通过Q 4 The operating frequency is generated by Q5 in transmit 产生操作频率。通过相位比较器到变容二极管 ( 在发射模式中 mode and Q4 in receive mode. The oscillator frequency is 为D6和D9，在接收模式中为D7和D11) 采用压控振荡器控制电 controlled by applying the VCO control voltage, obtained from 压来控制振荡频率。在接收模式中，由于Q 8 和Q 9 切断Q 5 并且...
  • Page 15 TK-3118 电路说明 CIRCUIT DESCRIPTION / IC308 (C/4, D/4) VR302 IC308 (A/4) IC308 (B/4) PREEMPHASIS (SPLATTER FILTER) VR301 Q322 BALANCE IC300 X1, IC1 QT/DQT REFERENCE (TCXO) MUTE Fig. 6 Transmit audio QT/DQT / 图6 发射音频QT/DQT 3) 压控振荡器和射频放大器 3) VCO and RF amplifier 从压控振荡缓冲放大器( Q 1 1 ) 接收到的发送信号通过Q 1 3 和...
  • Page 16 TK-3118 电路说明 CIRCUIT DESCRIPTION / 5) 自动功率控制 5) APC 自动功率控制 (APC) 电路,通过测检末级放大器场效应管的 The automatic power control (APC) circuit stabilizes the 集极电流来稳定发射的输出功率。电压比较电路, IC3 (2/2) 用微 transmitter output power at a predetermined level by sensing 处理机设定的参考电压来比较从末级电流所获得的电压。自动 the drain current of the final amplifier Field Effect Transistor 功率控制电压与IC3 (1/2) 输出的自动检测电压和参考电压之间...

  • Page 17: Semiconductor Data

    TK-3118 SEMICONDUCTOR DATA Microprocessor: M38267M8L271GP (IC 300) Pin No. I/O Port Name Function Pin No. I/O Port Name Function BATT Battery level input AF/Microphone Mute MUTE PLL IC Unlock Unlock="L" Mic mute= "H" AF mute= "L" Signal Meter RLED ON/OFF Red led ON= "H"...
  • Page 18 TK-3118 半导体数据 微处理器: M38267M8L271GP (IC 300) Pin No. I/O 端口名称 功能 Pin No. I/O 端口名称 功能 LCD LAMP ON= "H" BATT 电池电平输入 PLL IC数据 失锁状态 失锁＝ "L" Load启用 "H" 信号强度表 PLL IC数据 TIBI QT/DQT外部电路频偏输入 PLL IC时钟 QT/DQT信号输入 BUSY 繁忙信号输入 连接至数字式电话交换机...

  • Page 19: Description Of Components

    TK-3118 DESCRIPTION OF COMPONENTS / 元件说明 发射－接收单元 (X57-6243-00) TX-RX UNIT (X57-6243-00) 半导体 说明 Ref No. Semiconductor Description Ref No. 锁相环路系统 PHASE LOCKED LOOP SYSTEM 中频系统 IF SYSTEM 自动功率控制 AUTOMATIC POWER CONTROL IC300 微处理器 IC300 MICRO PROCESSOR IC301 DTMF解码器 IC301 DTMF DECODER...
  • Page 20 TK-3118 元件说明 DESCRIPTION OF COMPONENTS / Ref No. Semiconductor Description 半导体 说明 Ref No. 变容二极管 频率控制 (发射) VARIABLE CAPACITANCE DIODE FREQ. CONTROL (TX) 变容二极管 频率控制 (接收) VARIABLE CAPACITANCE DIODE FREQ. CONTROL (RX) 变容二极管 频率控制 (发射) VARIABLE CAPACITANCE DIODE FREQ. CONTROL (TX) 变容二极管...

  • Page 21: (Dial, Scan) Terminal Function

    TK-3118 端子功能 TERMINAL FUNCTION / 发射－接收单元 TX-RX UNIT CN No. Location Pin CN No. 位置 名称 功能 Name Function CN301 TXRX 接收音频线路 CN301 TXRX RF AF LINE Unit B 接收信号强度 Unit B RX SIGNAL STRENGTH 3.5R O 接收3.5V 3.5R O RX3.5V BUSY 接收静噪抑制电路...

  • Page 22: K29-9026-13

    TK-3118 零件表 PARTS LIST / ∗ New Parts. indicates safety critical components. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. TX-RX UNIT (X57-6243-00) TK-3118 Ref.
  • Page 23 TK-3118 零件表 PARTS LIST / TX-RX UNIT (X57-6243-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts CK73HB1H182K CHIP C 1800PF C145 CC73GCH1H560J CHIP C 56PF CK73HB1H102K CHIP C 1000PF C146 CK73GB1H102K CHIP C...
  • Page 24 TK-3118 零件表 PARTS LIST / TX-RX UNIT (X57-6243-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C232 CK73GB1H471K CHIP C 470PF C371 CK73HB1A104K CHIP C 0.10UF C234 CK73GB1H471K CHIP C 470PF C374...
  • Page 25 TK-3118 零件表 PARTS LIST / TX-RX UNIT (X57-6243-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts CN302 E40-5629-05 PIN ASSY L303 L40-2281-86 SMALL FIXED INDUCTOR(0.22UH) CN303 E40-6166-05 FLAT CABLE CONNECTOR L304,305 L92-0140-05...
  • Page 26 TK-3118 零件表 PARTS LIST / TX-RX UNIT (X57-6243-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts RK73HB1J332J CHIP R 3.3K J 1/16W R145,146 RK73HB1J104J CHIP R 100K J 1/16W RK73GB1J561J CHIP R...
  • Page 27 TK-3118 零件表 PARTS LIST / TX-RX UNIT (X57-6243-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R360 RK73HB1J823J CHIP R J 1/16W R419 RK73HB1J272J CHIP R 2.7K J 1/16W R361 RK73HB1J103J CHIP R...
  • Page 28 TK-3118 零件表 PARTS LIST / TX-RX UNIT (X57-6243-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts MA2S376 VARIABLE CAPACITANCE DIODE Q306 UPA672T MA360 VARIABLE CAPACITANCE DIODE Q307 FP210 TRANSISTOR MA2S111 DIODE Q308...

  • Page 29: Exploded View

    TK-3118 部件分解图 EXPLODED VIEW / TX-RX UNIT(B/3) TX-RX UNIT(C/3) TX-RX UNIT(A/3) S/No. LABEL TK-260 :K, K2 TK-260/(N) :NK, NK2 Parts with exploded numbers larger than 700 are not supplied.

  • Page 30: Packing

    TK-3118 包装 PACKING / 22. HANDSTRAP (J69-0352-05) 6. INSTRUCTION MANUAL (B62-1387-10) G. SCREW SET (N99-2023-05) 20. BELT HOOK (J29-0623-04) 17. PROTECTION BAG (H25-0085-04) 18. ITEM CARTON CASE (H52-1720-02) 16. PACKING FIXTURE ANT. HELICAL ANTENNA (H12-3088-05) (T90-0759-05) 21. BAND (J61-0429-05) TK-260...
  • Page 31 TK-3118 ADJUSTMENT / 调整 所需的测试设备 Required Test Equipment 1. 稳定电源 1. Stabilized Power supply 1. 输出电源在5V和9V之间可调，并且电流为3A或更大。 1. The supply voltage can be changed between 5V and 9V, and 2. 标准电压为7.5V。 the current is 3A or more. 2. The standard voltage is 7.5V.
  • Page 32 6 DIAL（拨号）键 • 使用一个专用调整棒进行调整（特别是微调电容器和线 • Use a non-conductive rod such as a Ceramic rod for 圈）。 adjustment (especially of trimmers and coils). 建伍订货单号码 A-0910 (0.4X0.9mm) Kenwood order No. A-0910 (0.4X0.9mm) 建伍订货单号码 A-1310 (0.4X1.3mm) Kenwood order No. A-1310 (0.4X1.3mm) • 为了保护标准信号发生器，在调整接收部分时通信机不要发...
  • Page 33 TK-3118 ADJUSTMENT / 调整 重置Q22 (FET 发射终端) Replacing Q22 (FET TX final) 1. 如图1所示，将Q22上下颠倒放在它的对应位置。 1. Place Q22 in its location, upside down as shown in figure 1. 每个管脚的位置一定要正确。斜角位于管脚1与管脚2之间。 Make sure the location of each pin is correct. The bevelled （如下图所示）...

  • Page 34: Adjustment

    TK-3118 ADJUSTMENT Use the KPG-69D programming software for adjustment of the next item in PC MODE (see page 10). Squelch Level, S meter Level, Lo Power, QT Deviation, DQT Deviation, and Battery warning. Section common to the transmitter and receiver (VCO)
  • Page 35 规格/备注 测试设备 终端 部件 方法 BPF-Wave Tra 发生器 1. 带 电 滤 波 1) CH: 接收中心频点 TC3,TC5 调整频谱波形 • TK-3118 (C type) 频谱分析仪 器 天线 调整到最大音频电平 2. 音频电平 1) CH: 接收中心频点 标准信号发射器 MKR 470.0 MHz 扬声器 音量旋钮位置位于12点 SSG 输出: -53dBm (501µV) 示波器...

  • Page 36: Display Unit (X41-3583-00)

    TK-3118 PC BOARD VIEW / PC 板视图 DISPLAY UNIT (X41-3583-00) Component side view DISPLAY UNIT (X41-3583-00) Foil side view DISPLAY UNIT (X41-3583-00) Component side view MIC+ SP– MIC– R604 R605 R606 D106 D103 D102 Component side D107 D105 D104 Foil side...

  • Page 37: Tx-Rx Unit (X57-6243-00)

    TK-3118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6243-00) Component side view TX-RX UNIT (X57-6243-00) (A/3) Component side view DTA144EE DTC144EUA TA31136FN C149 C138 DTC114TE KTC4082 2SC4738 C159 2SC5108 R103 C141 C130 C147 C139 C172 R112 C151 NJM2904V MA742...
  • Page 38 TK-3118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6243-00) Foil side view TX-RX UNIT (X57-6243-00) (A/3) KTC4082 MB15E03SL Foil side view 2SC4617 2SC5066 2SC5108 R106 C222 R102 C167 C212 3SK320 C111 2SK3476 C109 C176 C186 C224 C100 2SJ243 2SK3475...
  • Page 39 TK-3118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6243-00) Component side view + Foil side view TX-RX UNIT (X57-6243-00) (A/3) Component side view + Foil side view C149 C138 DTC144EUA 2SJ243 DTA144EE DTC114TE C159 KTC4082 R106 2SC4617 R103 2SC4738...
  • Page 40 TK-3118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6243-00) Component side view TX-RX UNIT (X57-6243-00) (B/3) Component side view D304 R339 R421 R390 DTA144EE AT24C16N-10SI DTC114EE C386 DTC114YE DTC144EE R395 2SC4738 C360 IC306 COM2 NJM2902V C367 R396 COM1 R423...
  • Page 41 TK-3118 PC BOARD VIEW / PC 板视图 2SK1824 NJM2904V DTA123JE DTA144EE TX-RX UNIT (X57-6243-00) Foil side view DTC114EE DTC144EE TX-RX UNIT (X57-6243-00) (B/3) 2SC4617 Foil side view R442 C390 X301 KIA6278F CN302 C302 R307 R325 C306 R302 C384 UMG3N R305...
  • Page 42 TK-3118 PC BOARD VIEW / PC 板视图 UPA672T FP210 DTA123JE DTA144EE TX-RX UNIT (X57-6243-00) Component side view + Foil side view DTC114EE DTC114YE TX-RX UNIT (X57-6243-00) (B/3) DTC144EE Component side view + Foil side view R421 D304 R339 R390 2SC4617...

  • Page 43: Schematic Diagram

    TK-3118 SCHEMATIC DIAGRAM / 原理图 Note : Component marked with a dot ( ) are parts of pattern1.

  • Page 44: Block Diagram

    TK-3118 TK-3118 BLOCK DIAGRAM / 方块图 TX-RX Unit X57-6243-00 A MODEL TX-RX Unit MA360 TK-3118: C X57-6243-00 2SC5108 TX VCO BUFF AMP LO.SW DRIVE AMP FINAL AMP ANT SW 2SC5066 2SC5108 2SC5108 HSC277 2SC5108 2SC4988 2SK3475 2SK3476 HVC131 LOOP FILTER F.CONT...

  • Page 45: Level Diagram

    TK-3118 TK-3118 LEVEL DIAGRAM / 电平图 BC-20 / PB-40 / PB-41 / BT-12 BC-20 RAPID CHARGER PB-40 (Ni-MH) STANDARD BATTERY PACK SPECIFICATIONS Voltage : 7.2V Battery Capacity : 600mAh Charging time : approximately 60 minutes PB-41 (Ni-MH) LONG LIFE BATTERY PACK...

  • Page 46: Specifications

    TK-3118 SPECIFICATIONS General Frequency Range ............. C : 450~470MHz Number of channels ............Max. 50 Channel Spacing .............. 25kHz (Wide) 12.5kHz (Narrow) PLL Channel Stepping ............. 5kHz, 6.25kHz Operating Voltage ............7.5 VDC ±20% Battery Life ............... More than 5 hours at 5 watts (5-5-90 duty cycle with PB-40 battery) More than 8 hours at 5 watts (5-5-90 duty cycle with PB-41 battery) Operating Temperature renge ..........
  • Page 47 13, Boulevard Ney, 75018 Paris, France KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD. KENWOOD ELECTRONICS U.K. LIMITED Sales Marketing Division KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB United Kingdom 1 Ang Mo Kio Street 63, Singapore 569110 KENWOOD ELECTRONICS EUROPE B.V. TK-260...

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