instead of an oscilloscope...

Hello KingOfEvil Kin> I wonder what is the reason for such low activity? Or everyone is silent as Kin> partisans, or there is simply no time to do this and the fee is empty Is Kin> lying in a dusty box or something else? Maybe some not too common elements are used? By the way, about the oscilloscope, it’s actually not that necessary, i.e. needed more often just to see if there is a frequency or not. In this sense, it might be worth a simple logic probe (2 LEDs and one 561ЛH2) take readings at key points and enter them into a plate "signal-readings". I had such a sign for the first Leningrad, very Convenient when you don’t have an oscill handy. The readings, as far as I remember, were coded like this: H - high level, L - low, HL (“H” lights up brighter than “L”) - frequency, where the pulse duration is “H” higher than the duration "L", LH ("L" burns brighter than "H") - frequency, but low level prevails over high, BLINK - frequency below 25Hz, i.e. noticeable flicker of the eye.