Kenwood TK-3118 Service Manual

Also see for TK-3118: Service manual

20TK-3118TK-260 :K, K2Ref No. Semiconductor DescriptionD6 VARIABLE CAPACITANCE DIODE FREQ. CONTROL (TX)D7 VARIABLE CAPACITANCE DIODE FREQ. CONTROL (RX)D9 VARIABLE CAPACITANCE DIODE FREQ. CONTROL (TX)D11 VARIABLE CAPACITANCE DIODE FREQ. CONTROL (RX)D12 VARIABLE CAPACITANCE DIODE MODULATIOND13 DIODE CURRENT STEERINGD14,15 DIODE RF SWITCHD16-18 VARIABLE CAPACITANCE DIODE BPF TUNINGD19 -D21-23 VARIABLE CAPACITANCE DIODE BPF TUNINGD24-27 DIODE ANTENA SWITCHD28 DIODE REVERSE PROTECTIOND300 LED TXD301 DIODE AUDIO DETECTORD302 -D304,305 LED LCD ILLUMINATIOND306 DIODE LIMITERD307 DIODE MIC AGC DETECTD308 DIODE MIC MUTE/AGC SWITCHD309 ZENER DIODE VOLTAGE PROTECTIOND313 LED BUSYDESCRIPTION OF COMPONENTS / 元件说明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)D9 变容二极管频率控制 (发射)D11 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D14,15 二极管射频开关D16-18 变容二极管 BPF 调谐D19 -D21-23 变容二极管 BPF 调谐D24-27 二极管天线开关D28 二极管反向保护D300 发光二极管发射D301 二极管音频探测器D302 -D304,305 发光二极管 LCD背景灯光D306 二极管限幅器D307 二极管扬声器自动增益控制检测D308 二极管扬声器静音／自动增益控制开关D309 齐纳二极管电压保护D313 发光二极管繁忙Ref No. Semiconductor DescriptionD100-107 LED KEY ILLUMINATIONDISPLAY UNIT (X41-3583-00)Ref No. 半导体说明D100-107 发光二极管按键背景灯光显示单元 (X41-3583-00)