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The device of the linear radiomechanics "Videotest-2M" since 1988 produced the Leningrad Scientific Research Institute of Television. Modern television receiver color image is a very complex radio device, designed for long operation. To ensure its stable operation over a long period of time, a number of TV systems have applied automatic parameter maintenance systems; however, due to aging of radio electronic elements, some quality parameters may go beyond the permissible limits. In these cases, there is a need for adjustment, and possibly repair. Setting up and repairing color TVs at home is a very complicated and time-consuming process. Significantly speeding up the troubleshooting and improving the quality of repairs and TV settings can be achieved with the help of a linear radio mechanic '' VideoTest-2M ''. It is a small-sized portable television sensor that provides the formation of test signals, the measurement of constant and alternating voltages, resistance values "‹"‹with digital indication.