[Coco] CoCo in France

[Francis Swygert]

From: Carlos Camacho <idevgames at gmail.com>

Let me recap my previous post...
1) NTSC Coco (mine)
2) NTSC TV (his)
3) He's using a step down transformer
4) He says other video game consoles (NTSC) are working with his
transformer and his NTSC TV

I asked him to try the RF output to the NTSC. He says that too has no
video.  I asked him to turn on the machine and enter the SOUND 100,10
command. He reported no sound on the audio out. I need to have him try the
sound test again over RF.

I was also thinking a difference in the 50hz vs 60hz. Could it be the
'other retro' systems he mentions (that he bought from the US) have less of
an issue producing a video if his transformer is handling the hz as is
expected. ie a 30+ year old system vs a 10+ year old system.

================================
Since the CoCo converts from AC to DC internally the 50hz vs. 60hz shouldn't matter. AFAIK there is no use of direct AC for anything. Since this is a CoCo1 it is possible that one or more chips got dislodged during shipment. You might want to have him crack the case open and push down on all socketed chips. Sounds like maybe a RAM, the SAM, or 6809 might be up in the socket enough to not get a good connection.