I have sharp pulses on all bands hitting the band about once per second, which the noiseblanker of my old IC 735 kills, but not so my K2 S/N 4765. I can - more or less - read a circuit diagramm (I don´t understand each components function in detail yet) I´ve tried some signal tracing, couldn´t identify a faulty component and can´t find out, what is wrong. Is there an info-sheet available, what has to be seen with a dual-scope-oszilloscope at which point and at what siganl level?

73
Karsten
DK4AS
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