I would think the easiest and cheapest way is to use a plain old RF
modulator box that will put composite video on to channel 3 or 4.
I've taken apart one or two and they seem to have little more than a
few coils and small parts, a far cry from the rack mounted cable TV
modulators I just picked up(ooohh... so many trimmer caps and
coils...). I don't know a whole lot about it, but I'm slowly learning
as my interest in fast scan ATV increases... The converter box I have
goes with my TI-99, I probably have one in the box with my C-64, too.
I think you can still get them at Radio Shack. Otherwise, all you
need to do is dump the composite signal into an AM modulator and then
through a transmitter that the TV can pick up. I would guess these
small boxes having only coils just use a tuned circuit for channel 3
and the voltage from the composite signal to provide the signal. But
then I'm just guessing, I've never poked and prodded those little
boxes very much, I think I'll go do that now(when I find it,
anyhow...).
>I have read a lot about the SWTPC TV Typewriter, and I am interested
>in how people modified a black and white TV for a video monitor. I
>have an old black and white set that I thought would be fun to
>modify for use as a video monitor. Now, granted, I don't really need
>another composite monitor, I have plenty of old Apple monitors that
>will do the same thing, I just thought it would be fun, since it
>would be a challenge to find where to input the signal and how to do
>it. I found the PDF of part of the SWTPC TV Typewriter manual on a
>web site, and it explains the process, although not in great detail,
>and references a circuit diagram of what needed to be added, but the
>diagram is nowhere to be found. Does anyone have any instructions or
>hints that they may be able to give me? Has anyone done this before?
>Any advice would be appreciated.
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Received on Mon Jun 30 2003 - 20:22:01 BST