[Coco] Coco in France

Dave Philipsen dave at davebiz.com
Sat Feb 9 18:08:45 EST 2019

Have him check the 220/110 adapter.  Some are simply a step-down transformer (probably best for the CoCo).  Others are solid state and are better for devices with higher loads. He could simply put a voltmeter across the CoCo power plug when it’s plugged in and turned on.  Should read 110-120 volts AC.


> On Feb 9, 2019, at 7:25 AM, Carlos Camacho <idevgames at gmail.com> wrote:
> I have a fellow who bought a Coco 1 from me that lives in France. He says
> when connecting the video composite to his Sony NSTC TV. He sees
> 'something' for microseconds when turning on and off the TV. He's tried
> different video cables.... no luck.
> It has a composite output that utilizes the cheap video circuit sold on
> eBay for Atari 2600. This is the circuit that John talked about on the
> CoCoCrew podcast.
> The unit was tested thoroughly before I shipped it and I took photos of
> both composite and RF signals.
> He's using 230V to 110V AC Adapter. I've asked him to test the composite
> video input on his NTSC TV. I also asked him to try the RF output to his
> Although he is using the converter, could anything other than the above be
> causing issues due to the AC?
> He says he can hear the machine switch on (tape relay).
> Thanks,
> Carlos
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