Quote:
Originally Posted by Notimetolooz
Try adjusting the vertical linearity and height. I doubt that will completely correct the screen but it is a good place to start.
The scope from ebay may get there just in time to help with the vertical problem. There are a few pictures of what the correct vertical waveforms should look like in the Rider's. Notice one waveform is about 750V peak to peak, that could damage some probes or even the scope input itself.
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I did try to adjust both the linearity and height. The linearity was VERY touchy with the collapse of vertical deflection with very small adjustments. Scope due Thursday. I worked on a couple of old 5Mhz Heathkit scopes from the early 1960s and got them running. Would they be of any use?