[Coco] Re: [Color Computer] Tech Question Forwarded from the Coco3.com Forums
coco2 at mspencer.net
Sun May 1 22:22:08 EDT 2005
I posed the original question on CoCo3.com, and someone there helped
me find this mailing list.
Yes, that fixed my problem. Thank you VERY much for such a quick
Now it looks like I have a LOT of message history to catch up on. :-)
--- In ColorComputer at yahoogroups.com, Mike Pepe <lamune at d...> wrote:
> Mannequin* wrote:
> >>I just dug my CoCo2 out of a box, to do some timing/behavior
> >>the Daggorath PC port. The machine still works, and my original
> >>still works (yay), but there's a LOT of noise in the video image
on the TV I'm
> >>using. I'm connecting using an old RF adapter originally shipped
> >>Nintendo Entertainment System, and I seem to remember it working
> >>adapter before.
> His problem is most likely due to the fact that the NES switchbox is
> most likely the electronic/automatic one and not one with a mechanical
> The NES switchbox needs some DC power fed along the cable with the RF
> signal to actually switch from the antenna input to the game input.
> Without this DC power, all he's getting is likely radiated RF noise
> the cable itself.
> I would go to Radio Shack (yes, they still have some uses!) and get a
> piece of 75 ohm coax cable and an F to RCA adapter, and plug the CoCo
> directly into the antenna input of the TV. (or alternately use a coax
> a-b antenna switch) for best results.
> Those RF cables that came with the CoCos suck. Also since they
> get lost a lot of people have been using audio cables which really
> aren't intended for that purpose. The piece of antenna coax is probably
> the best way to go.
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