Examples of Ken's Lisa symptoms are here:
http://members.shaw.ca/sigmaseven/boylephoto1.JPG http://members.shaw.ca/sigmaseven/boylephoto4.JPG
The symptom is the wide dark vertical bars at the left third of the screen (ignore the gibberish image in the second picture).
I suspect the problem is related to the +28V supply on the video board, but perhaps someone knows more specifically what part needs to be changed?
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