Kenwood TK-2118 Service Manual

Hide thumbs

Table of Contents

Quick Links

VHF FM TRANSCEIVER / VHF FM

TK-2118

SERVICE MANUAL /

Knob

(PTT, MONI)

(K29-9027-03)

TK-2118

手持机

Helical Antenna

(T90-0757-05)

Knob

(VOL)

(K29-5442-03)

Knob(ENC)

(K29-5443-03)

Panel assy

(A62-0932-03)

Key top

(DIAL, SCAN)

(K29-9026-13)

Key top(DTMF)

(K29-9028-13)

Cabinet assy

(Front)

(A02-3512-13)

维修手册

B51-8575-00 (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 (X57-6233-00) ................................ 39

SCHEMATIC DIAGRAM .......................................... 51

BLOCK DIAGRAM .................................................. 55

LEVEL DIAGRAM ................................................... 57

BC-20, PB-40, PB-41, BT-12 ................................... 58

SPECIFICATIONS ................................ BACK COVER

Table of Contents

Summary of Contents for Kenwood TK-2118

Page 1: Table Of Contents
手持机 VHF FM TRANSCEIVER / VHF FM TK-2118 维修手册 SERVICE MANUAL / © 2001-8 PRINTED IN JAPAN B51-8575-00 (S) 668 Helical Antenna (T90-0757-05) Knob (VOL) (K29-5442-03) Knob(ENC) (K29-5443-03) CONTENTS Panel assy GENERAL ..............2 (A62-0932-03) REALIGNMENT ............3 CIRCUIT DESCRIPTION ......... 11 Knob SEMICONDUCTOR DATA ........
Page 2: General
TK-2118 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 (X57-6233-00) ......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-2118 模式组合 REALIGNMENT/ 使用，暂时将频道闭锁在扫描之外，并且设定对讲机的显 1. 各部分介绍示屏照明灯的条件。扬声器- o o o o o LOW 键天线麦克风按下本键切换输出功率的高和低。也可以同时使用 F U N C 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...
Page 4: Self Programming Mode
TK-2118 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-2118 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-2118 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-2118 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-2118 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: All Reset
TK-2118 模式组合 REALIGNMENT/ 7. 无线复制模式 7. Wireless Clone Mode TK-2118具有无线复制功能。 The TK-2118 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-2118与电脑连接。在其D型副插座(25 The KPG-22 cable is required to interface the TK-2118 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-2118 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51.65MHz·第 The receiver utilizes double conversion. The first IF is 二中频为4 5 0 K H z 。第一本振频率信号由锁相环电路( P L L ) 提 51.65MHz and the second IF is 450kHz. The first local 供。...
Page 12 TK-2118 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51.65MHz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 51.65MHz first XF1) 进一步消除邻道的杂波信号。...
Page 13 TK-2118 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-2118 电路说明 CIRCUIT DESCRIPTION / 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D4, D6, D8和D9，在接收模式中为D5, D7, D10和D11) 采用压...
Page 15 TK-2118 电路说明 CIRCUIT DESCRIPTION / IC308(C/4, D/4) VR302 IC308 (A/4) IC308 (B/4) PREEMPHASIS (SPLATTER FILTER) Q322 VR301 BALANCE IC300 X1, IC1 QT/DQT REFERENCE (TCXO) MUTE Fig. 6 Transmit audio QT/DQT / 图6 发射音频QT/DQT 3) VCO and RF amplifier 3) 压控振荡器和射频放大器...
Page 16: Power Supply
TK-2118 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-2118 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-2118 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 MUTE 音频/话筒静音 BATT 电池电平输入话筒静音= "H" 音频静音= "L" 失锁状态失锁＝ "L" RLED ON/OFF红色发光二极管 ON= "H" 信号强度表 GLED ON/OFF绿色发光二极管 ON= "H" TIBI QT/DQT外部电路频偏输入 LCD LAMP ON= "H"...
Page 19: Description Of Components
TK-2118 DESCRIPTION OF COMPONENTS / 元件说明发射－接收单元 (X57-6233-00) TX-RX UNIT (X57-6233-00) 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 IC301...
Page 20 TK-2118 元件说明 DESCRIPTION OF COMPONENTS / 半导体说明 Ref No. Semiconductor Description 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) D8,9 变容二极管频率控制 (发射) D8,9 VARIABLE CAPACITANCE DIODE FREQ. CONTROL (TX) D10,11 变容二极管...
Page 21: (Dial, Scan) Terminal Function
TK-2118 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) Parts List
TK-2118 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 (X57-6233-00) TK-2118 Ref.
Page 23 TK-2118 零件表 PARTS LIST / TX-RX UNIT (X57-6233-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts CK73HB1H102K CHIP C 1000PF C150 CK73GB1H102K CHIP C 1000PF CK73HB1H182K CHIP C 1800PF C151 C92-0695-05 CHIP-TAN...
Page 24 TK-2118 零件表 PARTS LIST / TX-RX UNIT (X57-6233-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C225 CK73HB1C103K CHIP C 0.010UF K C375 CK73HB1H471K CHIP C 470PF C227 CK73HB1H102K CHIP C 1000PF...
Page 25 TK-2118 零件表 PARTS LIST / TX-RX UNIT (X57-6233-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts ∗ J21-8412-14 HARDWARE FIXTURE X301 L78-0326-05 RESONATOR (4.19MHZ) ∗ L71-0585-05 (51.65MHZ) L72-0958-05 CERAMIC FILTER L92-0140-05 FERRITE CHIP...
Page 26 TK-2118 零件表 PARTS LIST / TX-RX UNIT (X57-6233-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts RK73HB1J102J CHIP R 1.0K J 1/16W R154 R92-1368-05 CHIP R 0 OHM R92-1368-05 CHIP R 0 OHM...
Page 27 TK-2118 零件表 PARTS LIST / TX-RX UNIT (X57-6233-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R364 RK73HB1J272J CHIP R 2.7K J 1/16W R425 RK73HB1J153J CHIP R J 1/16W R365 RK73HB1J332J CHIP R 3.3K...
Page 28 TK-2118 零件表 PARTS LIST / TX-RX UNIT (X57-6233-00) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts HVC350B VARIABLE CAPACITANCE DIODE Q314 2SC4617(S) TRANSISTOR HZU5ALL DIODE Q315 DTC114EE DIGITAL TRANSISTOR D20-23 HVC350B VARIABLE CAPACITANCE DIODE...
Page 29: Exploded View
TK-2118 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-2118 包装 PACKING / 22. HANDSTRAP (J-69-0352-05) 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 (H52-1682-02) 16. PACKING FIXTURE ANT. HELICAL ANTENNA (H12-3088-05) (T90-0757-05) 21. BAND (J61-0429-05) TK-260...
Page 31 TK-2118 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, 2. 标准电压为7.5V。 and 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-2118 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-2118 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 扬声器音量旋钮位置位于12点 MOD: 1kHz 音频电压表 BPF-Wave DEV: ±3.0kHz 失真测试仪 3. 灵敏度 1) CH: 接收中心频点 • TK-2118 (C type) 检查 SINAD: 12dB或更高 CH: low CH: high SSG 输出: -116dBm (0.35µV) MKR 150.0 MHz MOD: 1kHz REF –20.0 dBm #AT 10 dB –63.17 dBm...
Page 36: Display Unit (X41-3583-00)
TK-2118 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 Foil side D107 D105...
Page 37: Tx-Rx Unit (X57-6233-00)
TK-2118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6233-00) Component side view TX-RX UNIT (X57-6233-00) (A3) TA31136FN DTC144EUA Component side view C124 C156 C149 DTA144EE C152 C155 DTC114TE C127 C159 KTC4082 C172 R112 2SC4738 R103 R146 C147 R148 2SK1824...
Page 38 TK-2118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6233-00) Foil side view KTC4082 TX-RX UNIT (X57-6233-00) (A3) MB15E03SL 2SC4617 Foil side view 2SC5066 2SC5108 R106 C143 3SK320 C212 C111 C167 2SK3476 C154 C109 C186 C139 C100 2SJ243 2SK3475 R152...
Page 39 TK-2118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6233-00) Component side view + Foil side view TX-RX UNIT (X57-6233-00) (A3) Component side view + Foil side view C124 C156 DTC144EUA 2SJ243 DTA144EE 2SK1824 C149 DTC114TE C152 C155 KTC4082 R106...
Page 40 TK-2118 PC BOARD VIEW / PC 板视图 TX-RX UNIT (X57-6233-00) Component side view TX-RX UNIT (X57-6233-00) (B/3) Component side view D304 R339 R421 R390 DTA144EE AT24C16N-10SI C386 DTC114EE DTC114YE DTC144EE R395 2SC4738 C360 IC306 COM2 NJM2902V C367 R396 COM1 R423...
Page 41 TK-2118 PC BOARD VIEW / PC 板视图 2SK1824 NJM2904V DTA123JE DTA144EE TX-RX UNIT (X57-6233-00) Foil side view DTC114EE DTC144EE TX-RX UNIT (X57-6233-00) (B/3) 2SC4617 Foil side view R442 C390 X301 KIA6278F CN302 R307 C302 R325 C306 R302 C384 R305 UMG3N...
Page 42 TK-2118 PC BOARD VIEW / PC 板视图 UPA672T FP210 DTA123JE DTA144EE TX-RX UNIT (X57-6233-00) Component side view + Foil side view DTC114EE DTC114YE TX-RX UNIT (X57-6233-00) (B/3) DTC144EE Component side view + Foil side view R421 D304 R339 R390 2SC4617...
Page 43: Schematic Diagram
TK-2118 SCHEMATIC DIAGRAM / 原理图 Note : Component marked with a dot ( ) are parts of pattern1.
Page 44: Block Diagram
TK-2118 TK-2118 BLOCK DIAGRAM / 方块图 TX-RX Unit X57-6233-00 A MODEL TX-RX Unit MA25304 TK-2118: C X57-6233-00 2SC5108 BUFF AMP LO.SW DRIVE AMP FINAL AMP ANT SW TX VCO 2SC4988 2SK3475 2SC5066 2SC5108 2SC5108 RSC277 2SK3476 HSC277 LOOP FILTER F.CONT...
Page 45: Level Diagram
TK-2118 TK-2118 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-2118 SPECIFICATIONS General Frequency Range ............. C : 150~174MHz 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...

Kenwood TK-2118 Service Manual

Quick Links

Related Manuals for Kenwood TK-2118

Summary of Contents for Kenwood TK-2118

Table of Contents