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Kenwood TK-2118, Service Manual

The Kenwood TK-2118 Service Manual is your ultimate resource for understanding and maintaining the TK-2118 two-way radio. This comprehensive manual helps you operate the device effectively and troubleshoot any issues that may arise. Download the free manual from manualshive.com for easy access and convenient reference.

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TK-2118

PC BOARD VIEW / PC 

板视图

37

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DISPLAY UNIT (X41-3583-00)  Component side view

C600

D101

R310

R309

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DISPLAY UNIT (X41-3583-00)  Foil side view

DISPLAY UNIT (X41-3583-00)
Component side view

Component side

Foil side

Summary of Contents for TK-2118

Page 1: ...LODED 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 Helical Antenna T90 0757 05 Knob ENC K29 5443 03 TK 2118 CONTENTS Knob VOL K29 5442 03 Key top DIAL SCAN K29 9026 13 Knob PTT MONI K29 9027 03 Cabinet assy Front A02 3512 13 Key top DT...

Page 2: ...til all RF connectors are verified secure and any open connectors are properly terminated SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere This equipment should be serviced by a qualified technician only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contain...

Page 3: ...中电池电压变低时闪烁红色 当电 池电压降低时闪烁红色 e e e e e 旋转编码器 旋转选择频道 进行调节电平设定时 也配合其他功能使 用 r r r r r PTT 按下通话 开关 按下后对着麦克风讲话进行发射 t t t t t MONI 监听 键 根据如何对本键的编程 按下后监听选择的频道 此 外也与 FUNC 键配合使用变更频道 QT 代码 y y y y y DIAL 拨号 键 用于存储 确认 发射和删除 DTMF 号码 此外也与 FUNC 键配合使用锁定对讲机的键 u u u u u FUNC 功能 键 按下或者按住本键开启对讲机键的其他功能 i i i i i SCAN 扫描 键 按下本键开始或者停止扫描功能 此外也与 FUNC 键配合 q e w r t u y o i 0 1 1 2 3 A 4 5 6 B 7 8 9 C 0 D DIAL LO W SCAN FU N...

Page 4: ...nts Example You can enter 3 digit code 000 to 999 using the DTMF keys This feature is available only when Selective Call has been activated in the radio OFF No ON Yes This item is selected using the channel selector Setting the Selective Call Code 3 Digit Setting the BEEP ON or OFF Setting the MONI Key Assignment 000 0 ON 1 0 2 0 Squelch OFF 1 Monitor Toggle 2 Monitor Momentary OFF OFF You can sel...

Page 5: ...n g n u m b e r 3 DTMF if of Option Signaling is changed from DTMF to None before the BCL setting is entered the BCL setting contents will be automatically set to OFF OFF Setting the Beat Shift function ON or OFF OFF No ON Yes Setting Scan DELETE ADD del Scan DELETE Add Scan ADD Setting Wide Narrow 0 Narrow 1 Wide Setting the SP Unmute When option signaling is set to 0 None this item will be skipp...

Page 6: ...100 0 14 103 5 15 107 2 16 110 9 17 114 8 18 118 8 19 123 0 20 127 3 QT Frequency Hz No 频率 Hz 21 131 8 22 136 5 23 141 3 24 146 2 25 151 4 26 156 7 27 162 2 28 167 9 29 173 8 30 179 9 QT Frequency Hz No 频率 Hz 31 186 2 32 192 8 33 203 5 34 210 7 35 218 1 36 225 7 37 233 6 38 241 8 39 250 3 023 114 174 315 445 631 025 115 205 331 464 632 026 116 223 343 465 654 031 125 226 346 466 662 032 131 243 35...

Page 7: ... 000 to 999 OFF BEEP OFF ON BEEP ON 0 Squelch OFF 1 Monitor Toggle 2 Monitor Momentary OFF no key function PTT FUNC PTT CH Selector SELF 000 0 ON 1 0 2 END display 信道选择器 信道选择器 REALIGNMENT 模式组合 5 Function setting 功能设定 Notes If you radio is not programmed with the selective call function the Selective call ID setting will be skipped 注释 如果您的手持机未选择呼叫编码功能 则选择呼叫ID码设置 将被跳过 ...

Page 8: ... 1 1 SELF display q 67 0 3 q 67 0 5 0 6 150 000 4 OFF 7 OFF 8 Add 9 0 10 0 11 H 12 END RX frequency RX signaling FUNC FUNC FUNC FUNC FUNC FUNC FUNC FUNC FUNC FUNC FUNC FUNC FUNC TX signaling TX freguency Option signaling Busy channel lockout SP Un mute Beat Shift Wide Narrow Scan DEL ADD TX Power HI LOW UP Channel 自台编程模式 MONI DIAL POWER ON 2sec 信道选择 接收频率 接收信令 发射频率 发射信令 可选信令 繁忙信道封闭 射频功率 高 低 SP不静音 宽...

Page 9: ...ng cloning do not perform any action which might interrupt the cloning such as cutting off the power to the transceiver 注释 注释 注释 注释 注释 将天线从主机拆下 将天线从主机拆下 将天线从主机拆下 将天线从主机拆下 将天线从主机拆下 将天线装到子机上 将天线装到子机上 将天线装到子机上 将天线装到子机上 将天线装到子机上 在复制过程中不要执行可能中断复制的任何动作 如关 在复制过程中不要执行可能中断复制的任何动作 如关 在复制过程中不要执行可能中断复制的任何动作 如关 在复制过程中不要执行可能中断复制的任何动作 如关 在复制过程中不要执行可能中断复制的任何动作 如关 掉手持机的电源 掉手持机的电源 掉手持机的电源 掉手持机的电源 掉手持机的电源 8 ALL RESE...

Page 10: ...持机的电源 电缆时 首先关闭手持机的电源 电缆时 首先关闭手持机的电源 电缆时 首先关闭手持机的电源 电缆时 首先关闭手持机的电源 另外 一定要禁止 另外 一定要禁止 另外 一定要禁止 另外 一定要禁止 另外 一定要禁止VOX VOX VOX VOX VOX 声控增益 声控增益 声控增益 声控增益 声控增益 功能 如果它被启 功能 如果它被启 功能 如果它被启 功能 如果它被启 功能 如果它被启 动 它有时可被噪音连接激活 动 它有时可被噪音连接激活 动 它有时可被噪音连接激活 动 它有时可被噪音连接激活 动 它有时可被噪音连接激活 连接步骤 1 使用接口电缆将TK 2118与个人电脑连接 2 当接通电源时 您可进入用户模式 KPG 22 description PC programming interface cable Option The KPG 22 cable is requir...

Page 11: ... frequency configuration is shown in Fig 1 1 Front end RF amplifier An incoming signal from the antenna is applied to an RF amplifier Q20 after passing through a transmit receive switch circuit D24 D25 D26 AND D27 are off and a band pass filter L44 L47 and L49 After the signal is amplified Q20 the signal is filtered through a band pass filter L34 and L40 to eliminate unwanted signals before it is ...

Page 12: ... signal The second IF signal is then fed through a 450kHz ceramic filter CF1 to further eliminate unwanted signals before it is amplified and FM detected in IC2 4 AF amplifier The recovered AF signal obtained from IC2 is amplified by IC306 1 4 filtered by the IC306 low pass filter 2 4 and IC306 high pass filter 3 4 and 4 4 and de emphasized by R404 and C363 The AF signal is then passed through a W...

Page 13: ... 6 25kHz reference signal in the phase comparator in IC1 The output signal from the phase comparator is filtrered through a low pass filter and passed to the VCO to control the oscillator frequency See Fig 4 FM IF IC IC2 IF AMP DET Q1 D1 HPF AMP LPF IC307 QT DQT Q316 W N SW IC300 MPU BUSY MUTE AFCO TI 6 5 56 55 AF AMP IC306 LPF HPF Q313 SW IC309 AF PA AMP Q324 SW SW SP Q321 323 320 CIRCUIT DESCRIP...

Page 14: ...失锁检测器电路 IC1 LD PLL IC D2 C12 R4 5C IC300 UL MPU PLL DATA 12 8MHz REF OSC I M I N PLL IC IC1 PHASE COMPARATOR CHARGE PUMP LPF 5kHz 6 25kHz D4 6 8 9 D5 7 10 11 Q5 TX VCO Q4 RX VCO Q7 BUFF AMP Q3 RF AMP Q8 9 T R SW 5kHz 6 25kHz 2 VCO The operating frequency is generated by Q5 in transmit mode and Q4 in receive mode The oscillator frequency is controlled by applying the VCO control voltage obtained fr...

Page 15: ...Fig 7 4 ANT switch and LPF The RF amplifier output signal is passed through a low pass filter network and a transmit receive switching circuit before it is passed to the antenna terminal The transmit receive switching circuit is comprised of D24 D25 D26 and D27 D25 and D26 turned on conductive in transmit mode and off isolated in receive mode Fig 7 APC system 图7 自动功率控制系统 AMP Q15 DRIVE AMP Q18 5T B...

Page 16: ...IC304 In the meantime the microprocessor and switching transistor also generate a 3 5MS reference voltage from this sources This reference voltage is used for the following DC power sources 3 5V DC 3 5R for the receiver 3 5C for both the receiver and transmitter 5 0V DC 5R for the receiver 5T for the transmitter and 5C for both the receiver and transmitter 6 Control system The microprocessor IC300...

Page 17: ...l Key Matrix 30 O V3 Vertical Key Matrix 31 O V4 Vertical Key Matrix 32 l INTO LOW Voltage detect Detect L 33 I RESET Reset input pin for active L 34 I NC NC 35 O NC NC 36 l Xin Connect to crystal 7 3728MHz 37 O Xout Connect to crystal 7 3728MHz 38 I Vss GND 39 O SHIFT Beat shift H shift ON 40 O NC NC 41 l MONI For Monitor Key Press Press L 42 l H1 Horizontal Key Matrix 43 l H2 Horizontal Key Matr...

Page 18: ...H2 水平键矩阵 44 l H3 水平键矩阵 45 I H4 水平键矩阵 46 l H5 水平键矩阵 47 l O SDA EEPROM IC数据 48 l SCL EEPROM IC数据 49 O NC NC 50 O SAVE 电池省电 ON L 51 O 3 5MC 普通电源 ON L 52 O 3 5TC 发射电路电源 ON H 53 O RX 发射 接收压控振荡器选择 发射 L 54 O 3 5RC 接收电路电源 ON H 55 O AFCO 扬声器静音 静音 H 微处理器 M38267M8L271GP IC 300 FET 2SK3475 Q18 绝对最大定额 Ta 25 Item VDSS VGSS ID Pch Tch Tstg Rating 20V 5V 1 0A 3W 150 45 150 Tc 25 FET 2SK3476 Q22 绝对最大定额 Ta 25 Item ...

Page 19: ...TOR DC SWITCH KEY LED Q316 TRANSISTOR DC SWITCH WIDE NARROW Q317 TRANSISTOR AF AMP VOX Q318 FET DC SWITCH WIDE NARROW Q319 TRANSISTOR DC SWITCH 5R Q320 321 TRANSISTOR DC SWITCH Q322 TRANSISTOR MIC MUTE AGC Q323 TRANSISTOR DC SWITCH Q324 FET AUDIO SWITCH SP Q325 TRANSISTOR DC SWITCH 3 5R D1 DIODE NOISE DETECT D2 DIODE UNLOCK DETECT D3 DIODE REVERSE PROTECTION D4 VARIABLE CAPACITANCE DIODE FREQ CONT...

Page 20: ...OR D302 ZENER DIODE VOLTAGE PROTECTION D304 305 LED LCD ILLUMINATION D306 DIODE LIMITER D307 DIODE MIC AGC DETECT D308 DIODE MIC MUTE AGC SWITCH D309 ZENER DIODE VOLTAGE PROTECTION D313 LED BUSY Ref No Semiconductor Description D100 107 LED KEY ILLUMINATION DISPLAY UNIT X41 3583 00 Ref No 半导体 说明 D6 变容二极管 频率控制 发射 D7 变容二极管 频率控制 接收 D8 9 变容二极管 频率控制 发射 D10 11 变容二极管 频率控制 接收 D12 变容二极管 调制 D13 二极管 电流方向 D14...

Page 21: ...C I INTERNAL MIC 6 LED SW O KEY ILLMINATION LED SW 7 SB O SWITCHED POWER SUPPLY 8 H5 I KEY MATRIX 9 H4 I KEY MATRIX 10 H3 I KEY MATRIX 11 H2 I KEY MATRIX 12 H1 I KEY MATRIX 13 V4 O KEY MATRIX 14 V3 O KEY MATRIX 15 V3 O KEY MATRIX 16 V1 O KEY MATRIX CN No 位置 Pin 名称 I 0 功能 No CN301 TXRX 1 AF I 接收音频线路 Unit B 2 SM I 接收信号强度 3 3 5R O 接收3 5V 4 BUSY I 接收静噪抑制电路 5 MOD O 发射调制 6 5C O 普通 5V 7 RX O 压控接收 发射开关 8 ...

Page 22: ...3GB1H471K CHIP C 470PF K 28 2B E37 0865 05 SPEAKER CORD J30 1267 04 SPACER ECM 30 2B J82 0071 15 FPC R307 310 RK73GB1J102J CHIP R 1 0K J 1 16W R600 603 RK73GB1J221J CHIP R 220 J 1 16W R604 606 RK73GB1J680J CHIP R 68 J 1 16W 31 2B T91 0616 05 MIC ELEMENT 32 2A A13 1632 03 FRAME 33 1A B11 1268 04 FILTER LCD 34 1A B11 1269 03 ILLUMINATION GUIDE LCD 35 1A B38 0848 05 LCD D300 B30 2156 05 LED RED D304 ...

Page 23: ... C 1000PF K C139 CK73HB1C103K CHIP C 0 010UF K C142 143 CK73GB1H102K CHIP C 1000PF K C145 CC73GCH1H030C CHIP C 3 0PF C C147 CC73GCH1H100C CHIP C 10PF C C149 CK73HB1H102K CHIP C 1000PF K C150 CK73GB1H102K CHIP C 1000PF K C151 C92 0695 05 CHIP TAN 10UF 10WV C152 CK73HB1H102K CHIP C 1000PF K C153 CC73GCH1H060B CHIP C 6 0PF B C154 CK73GB1H102K CHIP C 1000PF K C155 CC73GCH1H390J CHIP C 39PF J C156 CK73...

Page 24: ...F K C366 CK73GB1H472K CHIP C 4700PF K C367 CK73HB1C103K CHIP C 0 010UF K C369 CK73FB1A105K CHIP C 1 0UF K C370 CK73HB1H392K CHIP C 3900PF K C371 CK73HB1A104K CHIP C 0 10UF K C374 CK73GB1C104K CHIP C 0 10UF K C375 CK73HB1H471K CHIP C 470PF K C376 C92 0560 05 CHIP TAN 10UF 6 3WV C377 CC73GCH1H331J CHIP C 330PF J C378 CK73HB1E682K CHIP C 6800PF K C381 CK73HB1A473K CHIP C 0 047UF K C382 CK73HB1H332K C...

Page 25: ...IP L303 L40 2281 86 SMALL FIXED INDUCTOR 0 22UH L304 305 L92 0140 05 FERRITE CHIP L306 L92 0149 05 FERRITE CHIP L307 309 L92 0138 05 FERRITE CHIP X1 L77 1792 05 TCXO 12 8MHZ X300 L77 1761 05 CRYSTAL RESONATOR 7 3728MHZ X301 L78 0326 05 RESONATOR 4 19MHZ XF1 L71 0585 05 MCF 51 65MHZ CP302 R90 0718 05 MULTI COMP 4 7K X4 R1 RK73HB1J472J CHIP R 4 7K J 1 16W R2 RK73HB1J273J CHIP R 27K J 1 16W R3 R92 12...

Page 26: ...92 1252 05 CHIP R 0 OHM J 1 16W R150 RK73HB1J104J CHIP R 100K J 1 16W R151 RK73GB1J333J CHIP R 33K J 1 16W R152 R92 0670 05 CHIP R 0 OHM R153 RK73HB1J101J CHIP R 100 J 1 16W R154 R92 1368 05 CHIP R 0 OHM R155 158 RK73HB1J103J CHIP R 10K J 1 16W R300 RK73GB1J103J CHIP R 10K J 1 16W R301 RK73HB1J103J CHIP R 10K J 1 16W R302 RK73HB1J473J CHIP R 47K J 1 16W R303 RK73HB1J103J CHIP R 10K J 1 16W R304 RK...

Page 27: ...J183J CHIP R 18K J 1 16W R418 RK73HB1J102J CHIP R 1 0K J 1 16W R419 RK73HB1J272J CHIP R 2 7K J 1 16W R420 RK73HB1J823J CHIP R 82K J 1 16W R421 R92 0670 05 CHIP R 0 OHM R422 423 RK73HB1J103J CHIP R 10K J 1 16W R424 RK73HB1J563J CHIP R 56K J 1 16W R425 RK73HB1J153J CHIP R 15K J 1 16W R426 RK73HB1J184J CHIP R 180K J 1 16W R427 RK73HB1J104J CHIP R 100K J 1 16W R430 RK73HB1J122J CHIP R 1 2K J 1 16W R43...

Page 28: ...TRANSISTOR Q7 2SC5108 Y TRANSISTOR Q8 2SJ243 FET Q9 KRX102U TRANSISTOR Q10 2SC4617 S TRANSISTOR Q11 2SC5108 Y TRANSISTOR Q12 3SK320 FET Q14 DTC114TE DIGITAL TRANSISTOR Q15 2SC4988 TRANSISTOR Q16 DTC144EUA DIGITAL TRANSISTOR Q17 2SK1824 FET Q18 2SK3475 FET Q20 3SK298 FET Q22 2SK3476 FET Q23 DTA144EE DIGITAL TRANSISTOR Q300 302 DTC114EE DIGITAL TRANSISTOR Q303 DTC114YE DIGITAL TRANSISTOR Q304 DTA123...

Page 29: ...D VIEW 部件分解图 Partswithexplodednumberslargerthan700arenotsupplied A B 1 2 3 38 35 34 33 36 5 2 27 25 SP 15 D 30 12 28 31 TX RX UNIT C 3 9 10 F F F F F F 11 19 TX RX UNIT A 3 26 1 7 E E A A 8 4 3 14 14 B 23 24 C H H TX RX UNIT B 3 13 32 37 S No LABEL ...

Page 30: ...P J 69 0352 05 6 INSTRUCTION MANUAL B62 1387 10 G SCREW SET N99 2023 05 20 BELT HOOK J29 0623 04 21 BAND J61 0429 05 ANT HELICAL ANTENNA T90 0757 05 16 PACKING FIXTURE H12 3088 05 17 PROTECTION BAG H25 0085 04 18 ITEM CARTON CASE H52 1682 02 PACKING 包装 ...

Page 31: ...0Hz to 1MHz 2 Maximum sensitivity 1mV or more 10 Spectrum Analyzer 1 Measuring range DC to 1GHz or more 11 Standard Signal Generator SSG 1 Maximum frequency 500MHz or more 2 Output 133dBm 0 05µV to 7dBm 501mV 3 Output impedance 50 12 Tracking Generator 1 Center frequency 50kHz to 500MHz 2 Frequency deviation 35MHz 3 Output voltage 100mV or more 13 Dummy Load 1 8 3W or more 14 AF Generator AG 1 Fre...

Page 32: ...st IF 1st IF LV 1 Power Volume switch 7 FUNC key 2 LED indicator 8 SCAN key 3 Channel switch 9 LOW key 4 PTT switch 0 DTMF key 5 MONI key SP MIC JAC 6 DIAL key 注释 在短时间内调整发射压控微调电容器 大约10秒 当收发 机处于发射模式 并且末级放大器晶体管长时间从机架拔出 时 则可能会对晶体管产生热损伤 无散热器 Notes Adjust the TX VCO trimmer within a short period of time Appros 10 seconds When the transceiver is in TX mode and the final amplifier transistor is detached ...

Page 33: ... Make sure the bottom surface of Q22 is firmly contacted to the TX RX PCB The metal posts for the pins are also soldered to the PCB So when you solder the Q22 pins to the metal posts keep the soldering time as short as possible so that the posts are not moved 重置Q22 FET 发射终端 1 如图1所示 将Q22上下颠倒放在它的对应位置 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 如下图所示 当置换Q22时 重置热导膜 G11 2664 x4 2 Q22的底部表面必须与发射 接收PCB紧密结合 将每个管脚与金属杆的顶端焊接起...

Page 34: ...ivity 6 QT Deviation PC Mode 7 DQT Deviation PC Mode 8 DTMF Deviation 9 Battery Warning PC Mode Measurement Adjustment Parts TC1 TC2 Method 1 5V C 1 2V C2 2 2V C 1 0V C2 Check Specifications Remarks 0 1V 0 1V less than 4 5V Terminal CV Test equipment Digital voltmeter Condition 1 Power supply voltage Battery teriminal 7 5V 1 CH TX low 2 CH RX low 3 CH TX high 4 CH RX high Section common to the tra...

Page 35: ...H 接收高端频点 项目 1 设定 2 压 控 振 荡 器 测量 调整 部件 TC3 TC4 L22 PC机键 PC机键 方法 调整频谱波形 调整到最大音频电平 音量旋钮位置位于12点 检查 经调整打开静噪 经调整打开静噪 调节成全数字 调节成单数字 规格 备注 SINAD 12dB或更高 终端 天线 扬声器 天线 测试设备 Tra 发生器 频谱分析仪 标准信号发射器 示波器 音频电压表 失真测试仪 SSG 条件 1 CH 接收中心频点 1 CH 接收中心频点 SSG 输出 53dBm 501µV MOD 1kHz DEV 3 0kHz 1 CH 接收中心频点 CH low CH high SSG 输出 116dBm 0 35µV MOD 1kHz DEV 3 0kHz 1 CH 接收中心频点 2 第 9 级 SSG 输出 116dBm 0 35µV 3 第 11 级 SSG 输出 123d...

Page 36: ...7 MIC MIC D106 D103 D102 D107 D105 D104 R604 R605 R606 R603 R601 R602 R600 D100 SP SP 16 V1 V3 H1 H3 H5 LED E SP V2 V4 H2 H4 SB MIC E SP 1 o N f e R s s e r d d A 0 0 1 D M 6 1 0 1 D G 6 2 0 1 D L 0 1 3 0 1 D J 0 1 4 0 1 D L 2 1 5 0 1 D J 2 1 6 0 1 D I 0 1 7 0 1 D I 2 1 DISPLAY UNIT X41 3583 00 Foil side view DISPLAY UNIT X41 3583 00 Component side view Component side Foil side ...

Page 37: ...3 C2 C46 C10 D1 C15 C16 C69 C74 L22 C60 C59 C199 C207 CN2 ANT C208 C204 C192 C198 L49 L7 L52 L54 D22 D23 R8 R84 R69 R40 R45 R25 R29 R30 R31 R34 R32 CF1 C42 1 APC TUNE UL CK DT EP TO 3 5C E RX MOD 3 5R AF B E PABC E E PS 5R 5T 5C BUSY SM 23 1 4 5 8 Q23 Q14 Q6 Q17 S G D IC2 1 8 9 16 XF1 D15 Q15 E C B D16 L34 F1 S100 PTT MONI J72 0737 22 A 3 J72 0737 22 C 3 BPF LV BATT GND TX RX UNIT X57 6233 00 Comp...

Page 38: ...1 C34 C28 C31 Q3 R2 C102 C101 C99 C87 C50 C22 C43 C41 C64 C75 C65 C98 C58 C71 C216 C55 C215 C93 C85 C83 R51 R50 R46 R154 R26 R52 R39 R36 R41 R137 R108 R54 L25 L24 L20 L60 L17 L10 L12 L5 L9 L14 L16 L15 L29 L27 D12 D4 D10 D11 D6 TC1 TC2 Q4 R20 R18 C29 C3 L55 R13 R12 R10 C214 X1 R67 C13 C175 C160 R4 L46 L45 Q18 G S D R88 R99 R106 L61 TH1 Q22 G CN3 CN6 CN5 CN4 D S S R152 CN100 1 2 6 5 E MONI NC E E PT...

Page 39: ...C173 C218 C223 D26 D25 C182 C219 C221 C205 C209 C51 C32 C227 C197 C187 VR1 C27 C40 C53 C70 C86 C92 C96 C88 C62 C63 R139 L3 L2 L6 R1 R122 R120 R129 R47 R127 D28 R126 L4 L53 C8 C4 Q1 R3 R9 R28 R7 R151 C237 L51 C232 C225 C142 C122 C125 C18 R138 R107 R98 R83 R77 R78 R75 D3 R59 R115 R118 D19 Q16 R145 L40 L37 L36 R97 C161 Q20 1 4 2 3 L44 TC3 TC4 L47 CN1 C178 C183 C203 C2 C46 C10 D1 C15 C16 C69 C74 L22 C...

Page 40: ... R379 R378 R464 R459 R466 R349 C333 C375 C354 C343 C359 C416 C412 C408 L305 R342 R372 Q317 Q320 TXD REM VR301 DQT BAL VR303 DTMF DEV PTT D309 C418 C422 L306 D304 R354 R352 LCD D305 IC300 1 25 26 100 50 51 75 76 COM2 COM1 COM0 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 V1 V2 V3 V4 H1 H2 H3 H4 H5 S...

Page 41: ...3 R437 L301 L300 R448 R446 R453 R311 R301 R462 R455 R324 Q310 R328 Q300 Q301 C406 S301 ENC J300 SP MIC C384 C344 Q307 1 3 4 5 C332 C420 R380 R374 C331 Q306 1 3 4 6 Q325 Q323 C413 C411 IC309 1 4 5 8 C400 C398 C300 C314 C301 C302 C306 L308 IC301 1 5 6 10 Q312 C403 C385 D307 C377 C361 C423 C424 1 APC TUNE UL CK DT EP TO 3 5C E RX MOD 3 5R AF B E PABC E E PS 5R 5T 5C BUSY SM 23 CN301 1 3 1 4 3 5 SPG S...

Page 42: ...27 L307 L303 C329 R376 R365 R358 R309 R367 R371 R364 R47 R363 R362 R417 D306 R438 R386 Q314 Q304 L304 Q313 D S G R307 R389 R350 S300 POWER VOL R442 R330 R302 R305 R303 R325 CN302 X301 R353 R470 R344 R308 R451 R432 R434 R436 R414 R424 R401 R402 R444 R450 X300 R360 R361 R356 R373 R366 R357 R452 R447 R359 R440 R368 C350 C389 C319 C322 C321 C390 C320 R437 L301 L300 R448 R446 R453 R311 R301 R462 R455 R...

Page 43: ...Note Component marked with a dot are parts of pattern1 A B C D E F G I H J K L M O N P Q S R 1 2 3 4 5 6 7 SCHEMATIC DIAGRAM 原理图 TK 2118 ...

Page 44: ... CF1 CP 450kHz IF IC IC2 TA31136FN IF AMP Q6 KTC4082 5R 3 5R SM L22 DET COIL MUTE SW WIDE NARROW SW IC306 FLAT AMP IC307 LPF LPF NJM2904V TI TIBI BASE BAND SECTION LPF HPF HPF NJM2902V Q316 DTA 144EE Q314 2SC4617 WNRC HPF Q313 22SK1824 MUTE VOLUME AUDIO AMP IC309 KIA6278F DET D301 MA742 VOX Q324 2SK1588 SW SW POWER SW B SW Q320 DTC 144EE Q323 DTC 144EE Q321 KTA1298 MUTE SW SP SB B AMP KEY Q317 2SC...

Page 45: ... CF1 CP 450kHz IF IC IC2 TA31136FN IF AMP Q6 KTC4082 5R 3 5R SM L22 DET COIL MUTE SW WIDE NARROW SW IC306 FLAT AMP IC307 LPF LPF NJM2904V TI TIBI BASE BAND SECTION LPF HPF HPF NJM2902V Q316 DTA 144EE Q314 2SC4617 WNRC HPF Q313 22SK1824 MUTE VOLUME AUDIO AMP IC309 KIA6278F DET D301 MA742 VOX Q324 2SK1588 SW SW POWER SW B SW Q320 DTC 144EE Q323 DTC 144EE Q321 KTA1298 MUTE SW SP SB B AMP KEY Q317 2SC...

Page 46: ...x 24 3D mm 265g With PB 41 7 2V 1000mAh battery 56W x 129 2H x 24 3D mm 307g Receiver Measurements made per EIA standard EIA RS316B Sensitivity EIA 12dB SINAD 0 25µV Wide 0 28µV Narrow Selectivity 60dB Wide 50dB Narrow Intermodulation 60dB Wide 55dB Narrow Spurious responce 60dB Audio Power Output 500mW Frequency Stability 5ppm Channel Frequency Spread C 24MHz Transmitter Measurements made per EIA...

Page 47: ...745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS BELGIUM N V Mechelsesteenweg 418 B 1930 Zaventem Belgium KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 75018 Paris France KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD1 8EB U...

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