I've got a lot of questions. Here's a few more. These all pertain to a 25K7194.
1. The screen size of my display is very wide. I want to shrink the horizontal size. According to the manual, there's a horizontal adjustment on the chassis which is a large white item, but I can't figure out how to actually perform the adjustment. Do I stick an adjustment tool inside the white item and turn it like a POT? I did try this, but nothing seemed to turn, so I wasn't sure if this is how it's supposed to work. (and yes, I only use plastic adjustment tools

)
2. I want to shrink the vertical size of the screen to provide a better fit. I adjusted the V-Size POT, but it doesn't make the screen small enough. Is there another vertical size adjustment somewhere?
3. I don't get enough red color, even after lots of adjustments of the RED DRIVE and RED CUTOFF pots. And if I increase the brightness of the screen, the red color bleeds. Will a cap kit fix this, or will it take something more drastic?
I'm trying to avoid having to do a chassis swap if I can avoid it (see my other thread).
Thanks.
Mario