Kenwood TK-2118 Service Manual

Contents

31TK-2118TK-260 :K, K2Required Test Equipment1. Stabilized Power supply1. The supply voltage can be changed between 5V and 9V,and the current is 3A or more.2. The standard voltage is 7.5V.2. DC Ammeter1. Class 1 ammeter (17 ranges and other features).2. The full scale can be set to either 300mA or 3A.3. A cable of less internal loss must be used.3. Frequency Counter (f. counter)1. Frequencies of up to 1GHz or so can be measured.2. The sensitivity can be changed to 500MHz or below, andmeasurements are highly stable and accurate (0.2ppm orso).4. Power Meter1. Measurable frequency : Up to 500MHz2. Impedance : 50 , unbalanced3. Measuring range : Full scale of 10W or so4. A standard cable (5D2W 1m) must be used.5. RF Voltmeter(RF V.M)1. Measurable frequency : Up to 500MHz or so.6. Linear Detector1. Measurable frequency : Up to 500MHz or so2. Characteristics are flat, and CN is 60dB or more.7. Digital Voltmeter1. Voltage range : FS=18V or so2. Input resistance : 1M or more8. Oscilloscope1. Measuring range : DC to 30MHz2. Provides highly accurate measurements for 5 to 25MHz.9. AF Voltmeter (AF V.M)1. Measurable frequency : 50Hz to 1MHz2. Maximum sensitivity : 1mV or more10. Spectrum Analyzer1. Measuring range : DC to 1GHz or more11. Standard Signal Generator (SSG)1. Maximum frequency : 500MHz or more2. Output : -133dBm/0.05μV to 7dBm/501mV3. Output impedance : 5012. Tracking Generator1. Center frequency : 50kHz to 500MHz2. Frequency deviation : ±35MHz3. Output voltage : 100mV or more13. Dummy Load1. 8 , 3W or more14. AF Generator(AG)1. Frequency range : 100Hz to 100kHz2. Output : 0.5mV to 1V15. Distortion Meter1. Measurable frequency : 30Hz to 100kHz2. Input level : 50mV to 10VrmsADJUSTMENT / 调整所需的测试设备1. 稳定电源1. 输出电源在5V和9V之间可调，并且电流为3A或更大。2. 标准电压为7.5V。2. 电流表1. 高级电流表 (17档和其他功能)。2. 满刻度可设定为300mA也可设定为3A。3. 必须使用低损耗电缆。3. 频率计数器 (f.counter)1. 可以测量到最大量程大约为1GHz的频率。2. 灵敏度可调到5 0 0 M H z 或更低，测量为高稳定性和高准确度(大约为0.2ppm)。4. 功率仪1. 可测量的频率：最高到500MHz2. 阻抗：50Ω，不稳定3. 测量范围：满刻度大约为10W。4. 必须使用标准电缆 (5D2W 1m)。5. 射频电压表 (RF V.M)1. 频率范围：最高大约到500MHz。6. 线性检测器1. 频率范围：最高大约到500MHz。2. 特征函数是平展的，CN为60dB或更大。7. 数字电压表1. 电压范围：大约FS＝18V。2. 输入阻抗值：1MΩ或更大。8. 示波器1. 测量范围：直流到30MHz2. 5到25MHz间提供高准确度测量。9. 音频电压表 (AF V.M)1. 频率范围：50Hz到1MHz2. 最高灵敏度：1mV或更高10.频谱分析仪1. 测量范围：直流到1GHz或更大11.标准信号发射器 (SSG)1. 最高频率：500MHz或更高2. 输出：－133dBm/0.05μV到7dBm/501mV3. 输出阻抗：50W12.轨迹发生器1. 中心频率：50kHz到500MHz2. 频偏：±35MHz3. 输出电压：100mV或更高13.假负载1. 8Ω，3W或更高14.音频发生器 (AG)1. 频率范围：100Hz到100kHz2. 输出：0.5mV到1V15.失真测试仪1. 频率范围：30Hz到100kHz2. 输入电平：50mV到10Vrms