Quote:
Originally Posted by DaveWM
with the pot pegged (its working just not enough range).
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In my limited experience, if the pot moves but is pegged all the way, it's probably OK and there is some other problem. You can check the pot in place to get some idea of its value. Cleaning them can't hurt, but may not be a miracle cure.
If you want a laugh, you can read about my convergence fun at
http://antiqueradio.org/RCACTC-11Television.htm .
I discovered about halfway through that my convergence board & assembly were for a later model than mine. I finally solved the worst problem when I found a hidden break in a wire to the green coil. It still isn't perfect, though, and probably never will be.
You are right to change only one thing at a time. Make sure there is a way to get back to Kansas if you change something and it gets worse.
Maybe it is the nature of this design that you can get the central area good, but may have to accept some kind of compromise at the farthest edges. It sounds like you're already very close, if you have only one problem at the bottom.
Phil