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Re: Where's that color signal hiding?




On Fri, 6 Jul 2012, spacealbum wrote:

I have some european Apples that I used to run with those little b/w
9" or 12" monitors. Now I was given a small Sony Color portable video
motitor with BNC 75 ohm inputs on the back and I wondered if I could
use it to finally play Apple Galaxian in full color ;-)

My advice is stay away from PAL color if you want the games in their full glory, as you'll get something quite different (and disappointing) from what the creators had in mind with NTSC.

Are you sure this monitor is PAL?

Unfortunate I got only black and white pictures on the screen so far.
I do have cable to connect the Apple video connector to BNC and a
variety of untested PAL cards for slot 7. Playing with these I did't
get better results though. A third party PAL card has a TV encoder box
onboard and two video connectors, one says Video OP the other UHF
which is for the TV probably (and there is no channel swiching
possibility on the small Sony monotor).

Forget the UHF output. The monitor is probably only baseband, and going through RF will only distort the signal anyway.

The original Apple PAL card only has one video connector but this reads Video input (?should this be used with a Sup#r#Mod then?). Can anybody help me how to set this up, or tell me where I should find the color signal in theory?

Never seen what a PAL card looks like, but it should be baseband output.

You could try converting some european Apple into NTSC, but it'd be much easier to just get one, or even a motherboard only.

Furthermore does anybody know if the earlier Apple II mainboards (the
rev1 type with the memory blocks) work with the PAL encoder in slot
seven as well? They do thve the X O solder type jumpers as far as I
can see.

No idea. I have a clone //e that has PAL on-board and the picture is far from interesting. I have seen worse, though - RGB digital output done by shift register.