Is it possible to run 60Hz 640x480 on an MCD analog board and a CC tube with MCD yoke? I am building a VGA to RGB converter right now and am wondering if it is going to work. I need a backup plan in case this does not work. I need to run 60hz. Thanks to all who have already been very helpful with this.
Scott
Previous discussion is viewable in the old forums right here. It should answer many of your questions.
Just a tip...this probably could have stayed in the previous 'CC as monitor' thread you started.
I have read and re read that post and thread over and over and over.... BEFORE I posted this question... I need to know if the MCD can do 60 hz. That is the question. I am not a forum noob as you imply.
Scott,
Unfortunately -- and it would be great if someone could correct me here -- I believe the answer to your question is, "We don't know." The MCD indeed runs at 67Hz (the "High-Res" refresh rate as opposed to the VGA refresh rate).
I would imagine it could be modified to run at 60Hz -- usually monitors are unable to run at _higher_ refresh rates rather than lower. But
it might not be able to be so modified, and (b) because it's not a multiscan monitor, you might have to mess with some voltages on the analog board in order to achieve your desired result.
I know there's a generic monitor/TV FAQ somewhere out there, and I know it's been linked to in a number of threads at the old AF forums.
Best,
Matt
Actually, I think the answer is a definite maybe
So please try it out and let us all know, ok? My reasoning is this: An LC575 board is similar to an MCD, an assumption I base on the fact that the Trinitron tube from each has an identical Sony part number. An LC575 board, which normally is stuck at VGA@67hz, can have the sense lines modified to give the options of VGA@60hz and SVGA@56hz. So modify the sense lines on the MCD, and you should be able to select those options.