Quote:
Originally Posted by lucvic
thank you,
yes I have a digital scope,
the signal on the grid of 15tp7 seems ok (pin 8)
I don't understand why there is a pulse superimposed probably coming from
horizontal transf to the video signal. automatic frequency control works properly so this pulse doesn't affect the image.
|
Could you possibly post a photo of your scope displaying the waveform at TP9 , In the area of the 12ET1 Sync separator ?