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A clip from a stream on repairing the Yaesu FTM-400DR radio station from the RADIOCHIEF Life channel. The Yaesu FTM-400DR is a very hot radio station! In the literal sense of the word. The cooling is designed quite strangely, and over time leads to overheating and failure of the output transistor RD70HUF2. In this video, we will replace it. Questions about the video, as well as about radio stations, amplifiers, antennas and other civil radio equipment can be asked in the magazine itself, here in the comments, or in the VKontakte group. Life channel with streams and more: @radiochieflife ================================== Civil radio communications magazine http://radiochief.ru Magazine group VKontakte http://vk.com/radiochief Magazine forum http://lab.radiochief.ru Telegram https://t.me/radiochief_ru Boosty https://boosty.to/radiochief ================================= #yaesu #ftm400dr #radiochief #radiochief #hamradio #radio repair #radio communications