Drive line Question

[cbenham]

Originally Posted by ohohyodafarted

I was plagued with a strong vertical bar in the center of the screen which I believe is referred to as a "drive line"

This sounds like a Barkhausen oscillation in the HOT. I have seen ION traps installed on the HO tube and rotated until the vertical line disappears to cure this problem.

Hope someone else can chime in with more details...