[Coco] Coco 1 displaying in B&W

[Jamie Reinsborough]

Somehow I was never successful in getting the "Color Monitor Driver" in
this link to work.  It seems so simple, not sure why I couldn't get it to
go. I'll have to give it another try sometime...

Jamie

On Sunday, April 19, 2015, Al Hartman <alhartman6 at optonline.net> wrote:

> There are several Composite output mods for the Coco. Eventually, someone
> will make up kits and have them available.
>
> In the meantime, they are not too hard to make on a piece of perfboard.
>
> http://www.cocopedia.com/wiki/index.php/CoCo-1_composite_video
>
> -[ Al ]-
>
> -----Original Message----- From: Steve Batson
>
> Vincent,
>
> Certainly does not sound like the TV, though trying on another TV just to
> make certain would not be a bad idea if you haven't tried that already. Is
> the output to screen clear and fine other than not having color? This is
> really sounding like a good possibility that something is wrong inside the
> RF output circuit to me. I'd still reseat chips as recommended by others.
> Heck, I'd probably reset every socketed component. If none of that works
> and the system still won't do color, it might be worth trying to do a
> Composite Video Mod and bypass the RF circuit. I don't know if the mods
> currently being discussed on the list will work with the CoCo 1 or not.
> Not sure how much $ or time you want to put into this, but a Composite Mod
> would help isolate the issue and yield better quality video in either case.
> Not sure what else to suggest myself, there's a lot of people on the list
> far more experienced with Video than myself, so hopefully enough
> suggestions will come to help you nail it down.
>
>
> On Apr 19, 2015, at 5:11 AM, Vincent Tran <vincent at backhandsandwich.com>
> wrote:
>
>  Hi Salvador - I've tested that TV with a Genesis and NES via coax and it
>> worked fine.
>>
>> Sent from my iPhone
>>
>>  On Apr 19, 2015, at 12:52 AM, Salvador Garcia <
>>> ssalvadorgarcia at netscape.net> wrote:
>>>
>>>
>>> Vincent, have you tested that TV with some other AV device to verify
>>> that the TV is working ok? Salvador
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Daniel Campos <daniel.campus at gmail.com>
>>> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
>>> Sent: Sat, Apr 18, 2015 1:58 pm
>>> Subject: Re: [Coco] Coco 1 displaying in B&W
>>>
>>>
>>> Make a fine tunning on your TV/Monitor and see if the colors shows up.
>>> I imagine
>>> that you are using an NTSC compatible TV right ?
>>>
>>> Daniel
>>>
>>> On 18/04/2015 15:40,
>>> Vincent Tran wrote:
>>>
>>>> Hi -- Just got back from Radio Shack with a RCA male to
>>>>
>>> RCA female and a
>>>
>>>> coax male to RCA Male coupler.  I plugged it up to the Coco 1
>>>>
>>> and the video
>>>
>>>> signal was definitely a lot better - there was no static like
>>>>
>>> before when I
>>>
>>>> was using the Nintendo RF adapter.  Unfortunately, I still own a
>>>>
>>> TRS-80
>>>
>>>> Black&White Computer.  Everything is still in B&W.  I tried both
>>>>
>>> channels 3
>>>
>>>> & 4. Any other suggestions would greatly be appreciated.
>>>>
>>> Thanks,
>>>
>>>> -Vincent
>>>>
>>>
>>>
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