Kenwood TK-2107G Service Manual
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Kenwood TK-2107G Service Manual

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VHF FM TRANSCEIVER / VHF
TK-2107G
SERVICE MANUAL /
C version
Helical antenna / 天线
(T90-1036-15)
Plastic cabinet assy
机壳(前面)
(A02-4049-13)
调频对讲机
维修手册
Knob (CH)
旋钮(信道)
(K29-5278-03)
Knob (Volume)
旋钮(音量)
(K29-5255-03)
© 2009-9 PRINTED IN JA PAN
B51-8880-00 ( N ) PDF
CONTENTS
GENERAL .....................................................3
SYSTEM SET-UP .........................................4
REALIGNMENT ...........................................4
DISASSEMBLY FOR REPAIR ......................7
CIRCUIT DESCRIPTION ..............................9
SEMICONDUCTOR DATA .........................15
COMPONENTS DESCRIPTION .................17
PARTS LIST ...............................................19
EXPLODED VIEW ......................................25
PACKING ....................................................26
ADJUSTMENT ..........................................27
PC BOARD
TX-RX UNIT (X57-6020-10) ...................34
SCHEMATIC DIAGRAM ............................38
BLOCK DIAGRAM .....................................42
LEVEL DIAGRAM ......................................44
KNB-14 (Ni-Cd battery pack) ................45

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Summary of Contents for Kenwood TK-2107G

  • Page 1: Table Of Contents

    VHF FM TRANSCEIVER / VHF 调频对讲机 TK-2107G SERVICE MANUAL / 维修手册 C version © 2009-9 PRINTED IN JA PAN B51-8880-00 ( N ) PDF CONTENTS GENERAL .............3 SYSTEM SET-UP .........4 REALIGNMENT ...........4 Knob (CH) Helical antenna / 天线 DISASSEMBLY FOR REPAIR ......7 旋钮(信道)
  • 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-2107G 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

    Frequency range (MHz) Type 频率范围(MHz) 射频功率 类型 Choose the type of transceiver 5.0W TK-2107G (C) TX/RX 150~174 选择 对讲机 的类型 A personal computer, programming interface (KPG-22/22A), Transceiver programming and FPU (programming software) are required for programming. 对讲机 编程 (The frequency, TX power HI/LOW, and signalling data are programmed for the transceiver.)
  • Page 5 TK-2107G 模式组合 REALIGNMENT / 2. 如何进入每一种模式 2. How to Enter Each Mode 模 式 操 作 Mode Operation 用户模式 接通电源 User mode Power ON 计算机模式 从计算机接收指令 PC mode Received commands from PC 3. PC 模式 3. PC Mode 3-1. 前言...
  • Page 6 TK-2107G 模式组合 REALIGNMENT / 3-5. FPU( 编程软件 ) 说明 3-5. FPU (Programming Software) Description FPU 是 CD-ROM 附带的用于对讲机的编程软件。该光盘上的 The FPU is the programming software for the transceiver 软件允许用户通过编程接口电缆 (KPG-22/22A) 对对讲机进行 supplied on a CD-ROM. The software on this disk allows a 编程。...

  • Page 7: Disassembly For Repair

    TK-2107G 维修拆卸 DISASSEMBLY FOR REPAIR / 1. 拆卸机壳 1. Removing the Case Assembly from the Chassis 1. 取下旋扭 (q)，缓冲垫 (w) 和两个环形螺母 (e)。 1. Remove the two knobs (q), cushion (w) and three round 2. 取下两颗螺钉 (r)。 nuts (e). 3. 掀开外壳底部的左右两侧，取下底座，并外壳中取出 (t)。...
  • Page 8 TK-2107G 维修拆卸 DISASSEMBLY FOR REPAIR / 3. 取下夹扭 3. Removing the lever 1. 提起在外壳下部 (!3 ) 上的锁扣，在外壳和锁扣之间插入一 1. Raise the lever on the lower case (!3 ) , insert a small fl at 个小型平头改锥，小心地打开外壳 (!4 ) 并卸下锁扣。 screwdriver into the space between the case and lever, 注意...

  • Page 9: Circuit Description

    TK-2107G 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 38.85M H z， The receiver utilizes double conversion. The first IF is 第二中频为 450K H z。第一本振频率信号由锁相环电路 ( P L L ) 38.85MHz and the second IF is 450kHz. The fi rst local oscil- 提供。...
  • Page 10 TK-2107G 电路说明 CIRCUIT DESCRIPTION / 2-2. 第一混频器 2-2. 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 The signal from the RF amplifi er is heterodyned with the 一本振信号在第一混频器 ( Q202) 处混频并生成 38.85M H z 的 fi rst local oscillator signal from the PLL frequency synthe- 第一中频...
  • Page 11 TK-2107G 电路说明 CIRCUIT DESCRIPTION / 2-5. 噪音抑制电路 2-5. Squelch 从 I C200 输出的音频信号的一部分重新进入 I C200，通过 Part of the AF signal from the IC enters the FM IC again, 滤波器和放大器将噪音放大和整流并生成一个对应于噪音电 and the noise component is amplifi ed and rectifi ed by a fi lter 平的直流电压。直流信号进入微处理器的模拟端口...
  • Page 12 TK-2107G 电路说明 CIRCUIT DESCRIPTION / 3-2. 压控振荡器 3-2. VCO 在发射模式中通过 Q4 产生操作频率，在接收模式中通过 The operating frequency is generated by Q4 in transmit Q3 产生操作频率。通过相位比较器到变容二极管 ( 在发射模 mode and Q3 in receive mode. The oscillator frequency is 式中为 D1 和 D2，在接收模式中为 D3 和 D4) 采用压控振荡器...
  • Page 13 TK-2107G 电路说明 CIRCUIT DESCRIPTION / Q501,502 VR501 IC500 (1/2) IC500 (1/2) MAX DEV MIC AMP D5, Q4 Pre-emphasis (Splatter filter) VR500 Q503 Balance IC403 X1, IC1 QT/DQT Reference MUTE (TCXO) Fig. 6 Transmit audio QT/DQT / 图 6 发射音频 QT/DQT 4-3.
  • Page 14 TK-2107G 电路说明 CIRCUIT DESCRIPTION / 4-5. 自动功率控制 4-5. APC 自 动 功 率 控 制 ( A P C ) 电 路， 通 过 测 检 末 级 放 大 器 场 效 The automatic power control (APC) circuit stabilizes the 应...

  • Page 15: Semiconductor Data

    TK-2107G SEMICONDUCTOR DATA MCU: 38268MCA060GU (IC403) Pin No. I/O Port Name Function Pin No. I/O Port Name Function Variable capacity tune control EEPROM clock line Variable capacity tune control PLL unlock detection pin L: Unlock 50~54 QT/DQT external circuit center point...

  • Page 16: 半导体数据

    TK-2107G 半导体数据 微处理器 : 38268MCA060GU(IC403) 管脚号 I/O 端口名称 功　　能 管脚号 I/O 端口名称 功　　能 各种电容调谐控制 EEPROM 时钟线 各种电容调谐控制 锁相环电路失锁检测管腿 L: 失锁 50 ∼ 54 TIBI QT/DQT 外部电路中心点控制 共用数据输出 QT/DQT 信号输入 共用时钟输出 BUSY 繁忙信号输入 BATT 电池电压检测 锁相环电路芯片有效 H: 锁存 59,60 除了 CPU 和 EEPROM 以外电源控制...

  • Page 17: Components Description

    TK-2107G 元件说明 COMPONENTS DESCRIPTION / TX-RX 单元 (X57-6020-10) TX-RX UNIT (X57-6020-10) 有关号码 名 称 说 明 Ref No. Part Name Description 锁相环路系统 Phase locked loop system 自动功率控制 IC100 IC100 Automatic power control 中频系统 IC200 IC200 IF system IC300 音频放大器有源滤波器 IC300 Audio amplifi...
  • Page 18 TK-2107G 元件说明 COMPONENTS DESCRIPTION / 有关号码 名 称 说 明 Ref No. Part Name Description Q405 场效应管 直流开关 Q405 DC switch Q406 ∼ 408 晶体管 直流开关 Q406~408 Transistor DC switch Q500 场效应管 直流开关 Q500 DC switch 晶体管 有源滤波器 Q501,502 Q501,502 Transistor Active fi...

  • Page 19: Parts List

    TK-2107G 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 20 TK-2107G 零件表 PARTS LIST / TX-RX UNIT (X57-6020-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C121 CK73EB1C105K CHIP C 1.0UF C249-251 CK73GB1H102K CHIP C 1000PF C123 CK73GB1H103K CHIP C 0.010UF...
  • Page 21 TK-2107G 零件表 PARTS LIST / TX-RX UNIT (X57-6020-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C429,430 CK73FB1A105K CHIP C 1.0UF L92-0140-05 CHIP FERRITE C500,501 CK73GB1C273K CHIP C 0.027UF...
  • Page 22 TK-2107G 零件表 PARTS LIST / TX-RX UNIT (X57-6020-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation RK73GB2A473J CHIP R 1/10W R220 RK73GB2A561J CHIP R 1/10W RK73GB2A102J CHIP R 1.0K...
  • Page 23 TK-2107G 零件表 PARTS LIST / TX-RX UNIT (X57-6020-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R403 RK73GB2A181J CHIP R 1/10W R533 RK73GB2A104J CHIP R 100K 1/10W R404...
  • Page 24 TK-2107G 零件表 PARTS LIST / TX-RX UNIT (X57-6020-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation Q202,203 3SK318 Q300 2SC4617(S) TRANSISTOR Q302 2SK1824-A Q303 DTA144EE DIGITAL TRANSISTOR Q304...

  • Page 25: Exploded View

    TK-2107G 部件分解图 EXPLODED VIEW / TX-RX unit : N09-2438-05 : N14-0581-44 : N14-0804-24 D M2.6 x 6 : N30-2606-48 M2 x 3 : N79-2030-48 M2 x 5 : N83-2005-48 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 26: Packing

    TK-2107G 包装 PACKING / 705 Instruction manual 706 Protection bag 707 Packing fixture 36 Belt clip (J29-0734-05) 53 Helical antenna (T90-1036-15) 708 Protection bag 5 Cap (SP/MIC) (B09-0351-03) 35 SP/MIC holder 46 Screw set 709 Item carton case (J21-4493-04) (N99-0396-15)

  • Page 27: Adjustment

    TK-2107G 调整 ADJUSTMENT / Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 136 to 174MHz Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –47dBm/1mV Input Impedance 50Ω RF Power Meter...
  • Page 28 • Use a non-conductive rod such as a Ceramic rod for ad- 圈 )。 justment (especially of trimmers and coils). 建伍订贷单号码 :W05-1206-00(0.4×0.9mm) Kenwood order No.: W05-1206-00 (0.4 x 0.9mm) 建伍订贷单号码 :W05-1207-00(0.4×1.3mm) Kenwood order No.: W05-1207-00 (0.4 x 1.3mm) • 为了保护标准信号发生器，在调整接收部分时对讲机不要...
  • Page 29 TK-2107G 调整 ADJUSTMENT / 调整频率清单 Adjustment Frequency List 信道 发射频率 (MHz) 接收频率 (MHz) TX f (MHz) RX f (MHz) 中心 162.0000 162.1000 Center 162.0000 162.1000 低 150.0000 150.1000 150.0000 150.1000 高 173.9750 173.9000 173.9750 173.9000 备注 Remarks • 将对讲机与计算机连接。 • Connect the transceiver to the PC •...
  • Page 30 TK-2107G ADJUSTMENT Use the KPG-55D programming software for adjustment of the next item in PC Mode (see page 5). Squelch Level, Transmit frequency, DQT Balance, RF Power, QT Deviation, DQT Deviation, Battery Level Section Common to the Transmitter and Receiver (VCO)
  • Page 31 TK-2107G 调 整 在计算机模式下使用 KPG-55D 编程软件调整下记项目 ( 参见第 5 页 )。 噪音抑制电路电平，发射频率，DQT 均衡，射频功率，QT 偏差，DQT 偏差，电池电平 发射部和接收部共用部分 ( 压控振荡器 ) 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...
  • Page 32 TK-2107G ADJUSTMENT Transmitter Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Transmit 1) CH: TX center f.counter TX-RX Adjust to center Within ±100Hz frequency PTT: ON frequency (PC mode) 2. DQT/QT...
  • Page 33 TK-2107G 调 整 发射部分 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. 发射频率 1) CH: 发射中心频点 频率计数 TX-RX 天线 PC 机 调整到中心频率 ±100Hz 以内 ( 计算机模式 ) PTT: 开启...

  • Page 34: Tx-Rx Unit (X57-6020-10)

    TK-2107G 板 PC BOARD / PC TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09) R341 Q306 C332 C330 R332 C336 C411 R509 Q305 IC302 R504 R408 IC402 R404 R501 R503 R327 C500 IC400 R418 R500 C400 C415 L403 C412 R514 IC403...

  • Page 35: Pc Board

    TK-2107G 板 PC BOARD / PC TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09) R341 R135 R146 MIC500 C134 C132 R136 R531 Q307 IC100 Q107 C127 C115 R542 R522 R523 R520 C517 D400 C420 R430 D401 R415 R431 R417 R414 C418...

  • Page 36: Pc Board

    TK-2107G 板 PC BOARD / PC TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09) S402 S403 MONI C532 R240 C257 C138 C261 C254 L211 R242 C262 D203 R123 C255 C259 L113 C252 C256 R239 L115 C253 R127 C128 C144 L111 R128...
  • Page 37 TK-2107G 板 PC BOARD / PC TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09) R230 C249 C213 R200 C224 R208 R210 D202 C246 R228 Q200 C223 C214 Q201 R231 R207 C250 D300 C210 R213 R204 L211 L204 C204 R203 R241 R242...

  • Page 38: Schematic Diagram

    TK-2107G 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-6020-10) RF AMP 2SC5108(Y)F 470p T:2.4V L77-1877-15 R:2.4V 12.8MHz T:5.0V R:4.9V 4.7u6.3 UNLOCK DETECT 0.1u MA2S111-F 8.2u 680p R:4.8V PHASE LOCKED LOOP SYSTEM 560n MB15A02PFV2E1 220n 0.01u 330k 220n T:0V TRIPLER R:4.8V 1k*4 2SC4649(N,P) R:0.7V...

  • Page 39: Schematic Diagram

    TK-2107G 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-6020-10) VCO TX 6.8u 2SK1875-F(V) D1,2 100p FREQ. RF AMP T:0.6V T:2.5V CONTROL RF BUFFER AMP Q100 R:0V R:2.5V 2SC5108(Y)F C103 2SC5108(Y)F C100 6.8u 0.5p R:0V T:0.4V DC SW TX MODULATION 2SJ243-A DC SW...
  • Page 40 TK-2107G 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-6020-10) TX FINAL Q105 T:0.6V TX DRIVE 2SK2595-E R:0V Q102 T:1.1V T:0.7V 2SK2596-E R118 C116 L107 R:0V R:0V R107 C108 R112 C109 L103 1000p T:2.2V T:2.9V 3.9k 1000p R:1.0V R:0V RF SW D100 C104 T:7.3V...
  • Page 41 TK-2107G 原理图 SCHEMATIC DIAGRAM / TX-RX UNIT (X57-6020-10) D101,104 ANTENNA SW D104 C140 C144 C147 HSC277 L110 L111 C131 D101 C137 L114 L115 L117 1000p HSC277 1000p R:0V T:7.3V T:0.8V R:0V R:0.1V T:1.7V R123 D102,103 ANTENNA SW R144 DC SW...

  • Page 42: Block Diagram

    TK-2107G 方块图 BLOCK DIAGRAM / 1SV214 2SC5108 (Y)F 2SK1875 2SC5108 2SC5 -F(V) (Y)F D1,D2 1SV283F MB15A02PFV2E1 Q5,Q7 D3,D4 2SJ243 1SV283F 2SK1875 -F(V) L77-1877 UMC4N Q403 144EE IC403 38268MCA060GU IC200 TA31136FNG 2SC4649 (N,P) IC401 AT24C08 BN-SH IC402 IC400 NJM2904V-ZB R3111N BD4840G...
  • Page 43 TK-2107G 方块图 BLOCK DIAGRAM / D101 Q100 Q101 Q102 Q105 D104 2SC5108 2SC4988 2SK2596 2SK2595 HSC277 (Y)F Q8,D6 2SC4617 MA2S111 IC100 NJM2904 V-ZB Q104 Q103 UFMMT717 2SK1824 Q106 2SK1824 Q108 114EE Q107 114TE Q201 Q202 Q203 2SC4649 3SK318 3SK318 (N,P)

  • Page 44: Level Diagram

    TK-2107G 电平图 LEVEL DIAGRAM /...

  • Page 45: Optional Accessories Knb-14 (Ni-Cd Battery Pack)

    TK-2107G 可选附件 OPTIONAL ACCESSORIES / KNB-14 (Ni-Cd BATTERY / 镍镉电池 ) ■ External View / 外视图 ■ Schematic Diagram / 电路图 ■ Specifi cations / 规格 Discharge pin side Voltage / 电压 ....7.2V (1.2V x 6) Capacity / 充电电流 ....600mAh Weight / 重量...

  • Page 46: 规格

    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 47 TK-2107G TK-2107G 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09) TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09) R341 Q306 C332 R135 R146 MIC500 C134 C132 C330 R332 C336 R136 C411 R531...
  • Page 48 TK-2107G TK-2107G 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09) TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09) S402 S403 MONI R230 C249 C213 C224 R200 R208 D202 R210 C246 R228 C532...
  • Page 49 TX-RX UNIT (X57-6020-10) D101,104 RF AMP ANTENNA SW 2SC5108(Y)F D104 C140 C144 C147 TX FINAL 470p HSC277 T:0.6V Q105 TX DRIVE 2SK2595-E L110 L111 C131 D101 C137 L114 L115 L117 VCO TX R:0V 6.8u T:1.1V T:0.7V Q102 R:0V R:0V 2SK2596-E R118 C116 L107...
  • Page 50 1SV214 2SC5108 (Y)F D101 Q100 Q101 Q102 Q105 2SK1875 2SC5108 2SC5108 2SC4988 D104 2SK2596 2SK2595 HSC277 -F(V) (Y)F (Y)F D1,D2 1SV283F MB15A02PFV2E1 Q8,D6 Q5,Q7 D3,D4 2SC4617 2SJ243 1SV283F 2SK1875 -F(V) MA2S111 L77-1877 UMC4N IC100 NJM2904 V-ZB Q403 144EE Q104 Q103 UFMMT717 2SK1824 Q106...

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