VGA to RCA Video Connection

This is a more complex matter than anticipated: TV works with Composite video - pulse info and synch - is woven into a complex video signal.

While VGA and others work with RGB -analog- red green blue and have each their syncs. In the best scenario you will find a video signal, but color, frames and refresh rates will be all messed up.

TV video is also less defined than VGA - image quality loss is evident.

I also found something that might interest you: copy and paste pls.

http://www.epanorama.net/circuits/vga2tv/index.html

It depends on the TV. Many TVs (I think most Flat-Screen TVs) have VGA inputs, so all you need is a VGA cable connecting the Mac to the TV. If it is an old TV that does not have a VGA input, then the image quality is probably not good enough to use anyway, so don't bother.

You will probably have to use the On-Screen Display of the TV to select the appropriate input.

You say the Mac has a spare VGA output. This indicates an aging Mac, since they haven't had VGA outputs for several years now (unless there is an added video card). If you are using OS9 or earlier, you need to go to the 'Monitors' control panel to set up the video output to either mirror the Mac display or act as added real estate to the screen area. If the TV has lower resolution than the Mac screen, you may have to lower the resolution of the Mac to be compatible with the TV, and you almost certainly need to use a 60HZ refresh rate.

In OSX, some of these changes may occur automatically, and the name has been changed to 'Displays' Preference panel (in System Preferences).

Thanks. I actually need to feed it to a multichannel RF converter for TV channels 200 plus. There are many flat screens, but they need to get it from a RF distribution system. 8 channels.

Ah! In that case, MJB had the answer in post#2. That is assuming that you already have the multichannel RF converter...