[Coco] video composite on korean coco 26-3134A

[Retro Canada]

chek the Y pin on vdg. with a simple transistor driver you will get monochrome (luminance) video. btw a s-video driver is pretty simple on coco2 but no artifact colors.

On Oct 2, 2014, at 3:56 PM, "didier derny" <didier at aida.org> wrote:

Hi,

I tried but no success...

I don’t have any image on tv (connected to the antenna)
No idea if the coco 2 is broken or if my tv is unable to process the signal

With the oscilloscope I've not been a able to find a composite signal 
Inside the modulator...

Any idea ?

Thanks


--
didier

-----Message d'origine-----
De : Coco [mailto:coco-bounces at maltedmedia.com] De la part de Simon Jonassen
Envoyé : samedi 27 septembre 2014 16:26
À : 'CoCoList for Color Computer Enthusiasts'
Objet : Re: [Coco] video composite on korean coco 26-3134A

Hey....

I did mine by tapping into the feeds that go directly to the rf
modulator....

A couple of shielded wires soldered on to the pins and 2 rca jacks on the
rear of the case (audio/video)

Works fine... No extra components needed (PAL machine)... 

/Simon :-)


-----Oprindelig meddelelse-----
Fra: Coco [mailto:coco-bounces at maltedmedia.com] På vegne af didier derny
Sendt: 27. september 2014 13:23
Til: 'CoCoList for Color Computer Enthusiasts'
Emne: [Coco] video composite on korean coco 26-3134A

Hi

Is there an easy way to get a video composite signal on this machine ?

I guess a video composite signal or something approaching should be found
Somewhere near the modulator or inside the modulator ?


Thanks





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