[Coco] Composite Video

[camillus Blockx]

Hi bill,

Seems like you have a lot of stuff, in boxes ... lol
Perhaps not having a spare keyboard for coco3 for sale?

If price is right I would like to take it.



On Wed, Aug 14, 2013 at 12:14 PM,  <billg999 at cs.uofs.edu> wrote:
>> I didn't have any problem hooking my Coco3 on my Sony Bravia LCD TV or my
>> Dell 2001 LCD monitor with composite input or a Coby 17" TV LCD.
>
> Hmmm....  And that brings me back to the possibility that time has
> made some component drift out of spec and it is just my COCO3 that
> has this problem.  I wonder if I have another COCO3 in one of those
> boxes in storage that still works?  (I know there is one that is dead
> but if people here are right it may be as simple as a new CPU, of which
> I have a few, to make it work again.  Oh yeah, and the time to do it.)
>
>
>
> bill
>
>>
>> I do have problems with the 2 transistor drive use on old cocos1. Some TVs
>> don't like it.
>>
>>
>> On Wed, Aug 14, 2013 at 12:55 PM, <billg999 at cs.uofs.edu> wrote:
>>
>>> > CoCo 1 & 2s need an adapter for composite output.  Their standard
>>> output
>>> > is
>>> > analog RF for TV channel 3 or 4 (or was that 2 and 3?)  I have not had
>>> any
>>> > issues with the CoCo 3 composite output into a composite monitor of
>>> the
>>> > same
>>> > vintage.
>>>
>>> Of the same vintage, that is the problem.  I guess I made the mistake
>>> of assuming "NTSC composite video" actually was some kind of standard.
>>> Looks like it is back to the drawing board as I don't see many monitors
>>> "of the same vintage" being offered today.  Is there anywhere I can find
>>> out just what the COCO3 does different from other NTSC Composite Videos?
>>> Is it something as simple as levels? Or are we talking about wacked out
>>> waveforms and timing issues?  I was utterly amazed at how crisp and
>>> clean
>>> the Apple2 output is on a modern technology monitor.  Surely we can do
>>> the same.
>>>
>>> bill
>>>
>>>
>>>
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> http://five.pairlist.net/mailman/listinfo/coco
>>>
>>
>>
>>
>> --
>> Long live the CoCo
>>
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>>
>
>
>
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