Quote:
Originally Posted by tubesrule
This is an interesting observation Eckhard. Looking at the schematic it appears that the line and frame oscillator stages use blocking oscillators, so I would have expected the set display a normal blank raster. What do you think is causing the displayed raster to look like this when no signal is present?
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The height of the synchronisation input level can be controlled by the 5 K control at the cathode of the oscillator tube. My experience is, when I have adjusted the sync level for best synchronisation, and I draw the antenna plug, the raster looks frazzled.
03-19-2009, 01:29 PM
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