Can't find my book!

[Phil Nelson]

Originally Posted by earlyfilm

The left side picture defect sounds like Barkhausen.

I had one set (a Hallicrafters T-67) with a textbook case of Barkhausen oscillation. It made a squiggly vertical line in the left portion of the screen, which was otherwise normal:



The cure, which is the first one recommended in my old TV books, was to substitute the horizontal output tube.

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html