FT7800的扩频方法FT-7800的扩频方法 经扩频后 TX:136172； 400470 扩频方法： With all control knobs facing towards you, Remove top cover, Notice Front Left corner is the processor with a crystal mounted on top. 打开顶盖，注意左前角的处理器附近 Extreme left of the radio you will see a row of pads, All empty except for a diode to the front and one to the back, Notice 7 or 8 spots for diodes, But only 2 installed. 在左侧边缘有一排焊点，只焊了2个二极管。 REMOVE the FRONT diode closest to the head of the radio with a small soldering iron or tool. 移去前面一个二极管 Turn the radio back on it will automaticaly reset. See photos of the FT-8800 and FT-8900R TX Mods, location of this diode is the same. 重新打开电源，机器会自动复位。FT-8800/FT-8900的TX修改位置相同。