[Coco] [Color Computer] Re: Can I use a CM-4 on the Coco 3

[Sylvain De Chantal]

--- In ColorComputer at yahoogroups.com, Mike Pepe <lamune at d...> wrote:
> 
> 
> Without a detailed schematic it's impossible to say for sure, but 
> essentially the process would involve removing/bypassing the 
digital 
> input circuitry and feeding the analog section of the monitor. It 
may be 
> trivial or complex depending on the circumstance.
> 
> Also note that technically, the CM-4 and other TTL monitors may not 
work 
> at all due to the analog signal from the CoCo 3 being below the 
> threshold voltage for a TTL circuit. Also the polarity of sync 
pulses 
> may be wrong, etc.
> 
> I did turn a CM-8 into a CGA monitor with a few resistors and 
diodes 
> when I moved into PC-land, so perhaps the sync is close enough to 
work.


Hi Mike,

Like you're  saying, without a detailed shematic, it seems 
a dead-end. Since i only have one monitor, i won't try to 
tweak with it. Think i'll plug my Coco 3 on both CM-4 and my
Commodore A/V monitor. Thanks for the infos! :)

--- Sly DC ---





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