QYT KT-7900D куплена в 2023г. ничего не меняется, доработка и настройка

In this video, the QYT KT-7900D radio station, purchased in 2023, was sent for revision, but it also turned out to be a factory defect, a transistor in the driver was not soldered. I replaced the thermal paste, installed an additional radiator, adjusted the low-pass filter to work at SATCOM frequencies. ⏰ Temporary contents: 00:00 Introduction. 01:30 Disassembling the radio 04:42 Old jelly thermal paste 05:39 Suitable radiator 05:10 Summary and conclusions 07:15 New washer for the transistor 07:38 What I cut the tubes with 07:58 New radiator 09:04 Assembling the radio 10:23 Reason for unstable operation 11:48 Drilled holes in the bottom cover 12:08 Checking the output power 12:51 Summarizing #QYT KT-7900D#SATCOM#Mods#Revision#