[Coco] The thrill of CoCo'ing again.

[didier derny]

Any schematics for the coco3 to GBS8220 cable ?

I have to make one :)

Thanks

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didier

-----Message d'origine-----
De : Coco [mailto:coco-bounces at maltedmedia.com] De la part de Kandur
Envoyé : mardi 25 novembre 2014 20:47
À : CoCoList for Color Computer Enthusiasts
Objet : Re: [Coco] The thrill of CoCo'ing again.

Sounds like yours was a simpler hook up then mine.
I ended up using a 10k pot and a 1.5k resistor in the sync lines. 
On the other hand, I saved about $50.
http://tinyurl.com/kavbxvj
 
Kandur

Tuesday, November 25, 2014, 10:06:59 AM, you wrote:
> I really couldn¹t say, Kandur. I found the AVC-011 from a post where 
> someone else had also used it for CoCo3 RGB to VGA. I didn¹t do 
> research on alternatives, since I didn¹t know enough about the 
> technical details and requirements. I needed a solution that would be 
> as quick and easy as possible. With the AVC-011, it only requires the 
> construction of a cable going from the CoCo¹s 2x5 pin header RGB out 
> to the six-pin CGA input on the converter. It¹s a direct connection 
> between the RGB, H and V sync and ground pins on both.

> My goal was just to get something clear enough for 80-column text. I 
> haven¹t finalized the cable build, and I know my signal quality should 
> improve as I reduce the signal path, etc., but even a rough and quick 
> setup produced very usable output.

> Christopher


> On 20141125, 12:48, "Kandur" <k at qdv.pw> wrote:

>>Christopher, a few month ago, I was in your shoes,

>>Monday, November 24, 2014, 6:10:05 PM, you wrote:
>>> skip<
>>>   1.  Finally setting aside the time to build an RGB to VGA solution 
>>>for my  CoCo3. I used a Wei-Ya AVC-011 converter, which required only 
>>>a custom cable  be constructed to create a reasonably crisp image. 
>>>It's so much better than  the CoCo3's composite out could manage! 
>>>80-column mode is finally legible!
>>> True, it's nowhere near as good as Luis's FPGA solution, but it's 
>>>good enough for now.
>>> skip<
>>> > Christopher
>>Since I have not heard about the,
>>Wei-ya ACV-011 CGA to VGA converter, $72.98 
>>http://preview.tinyurl.com/lsecv8k
>>I bought the,
>>GBS-8220 Video CONVERTER CGA YUV to VGA Monitor, $20.12
>>http://preview.tinyurl.com/l4uody9
>>Now I'm wondering, if bought the right converter.
>>Is the Wei-ya three times better, then the GBS-8220 as it's price 
>>indicate it?
>>Anybody, please feel free to comment on this.

>>Kandur

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