Philip Taft (ptaft@wang.com) wrote:
: I've just resurrected my II+ for the kids. I'm trying to connect it to my
: television. In the old days, when there were dials and knobs on the TV, I
: had no problem hooking it up. But these newer "electronic" TV's...
: I tried to take the video out from the Apple and put it into LINE 1 input
: on the TV. Seemed to work okay, but I was getting "color bursts" (for lack
: of another term), and I tuned the potentiometer a bit and it seemed better.
: Now I'm getting periodic flashes, but it returns to normal soon enough.
: Am I overloading the LINE (voltage)? I had first tried the adapter for TV
: but had worse luck. Any help, before I cook the Apple or my TV?
The video output of the Apple, at least the video out of the RCA jack on
the back panel, is really close to an NTSC composite signal. Close
enough that you can feed that signal directly to the VIDEO IN jack on a
video cassette recorder or television monitor, and get fairly decent output.
And I don't think you need to worry about frying anything. Over-voltage
on a video signal will, I think, give you a washed-out picture, but
shouldn't hurt anything. Very much like running an unterminated line
looped through a monitor.
Anyway, is this a "genuine" ][+, or is this an original ][ with Autostart ROM?
If you are seeing color banding on the text characters while in a graphic
mode, this is perfectly normal for all ]['s running on composite monitors.
This usually means that the text characters are shades of violet and
green. If you get this effect while running in a text-only mode, then it
is possible that you are using a modified original-][. One of the
enhancements in the ][+ was a "color-killer" circuit which strips out the
color burst signal when the system is displaying text only.
Just a few thoughts on the subject...
--Dave Althoff, Jr.
--
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