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Hey guys it turned out the diode was bad for the horizontal lock. I was able to find a New Old Stock one from Talon Electronics. After that my horizontal was much more stable. I went through and recapped the horizontal section, I found that the damper tube was microphonic, and the capacitor that goes across it was bad also. At this point there is no more wax paper or Black Beauty capacitors left in this set. There is a few of the zenith Brown rubber looking capacitors left.
The biggest problem I'm having right now is that when I adjust the contrast or brightness this picture shrinks horizontally. I've replaced the 1b3, I replaced capacitor C3 which was shorted, and the damper tube along with the 6DQ6. I'm not really sure what to go after next. What is interesting is if I set the brightness and contrast lower and the picture shrinks if I leave the TV off for 10 minutes or so and turn it on the picture actually fills the screen and starts to shrink . Also the bottom third of the picture is crystal clear and actually looks pretty decent from there up I'm getting Rippling lines through the picture. I thought this was 60 Cycle hum so I replaced the filter caps but this made no difference. I've heard zeniths can be difficult. I think this thing has been through the ringer. Almost every tube tested week in the set. I think I have three original tubes left.
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