[Coco] Re: [Color Computer] Re: TRS-80 CoCo Group Color Computer Composite Video - Compared to "modern" composite - I don't get it

[Matías Gutiérrez Reto]

You have to connect to the ANTENNA, not the video in. 
Note that it has a 
channel 3/4 switch - the TV has to be set to the same 
channel. You may need 
an adaptor plug, but you can't use the RF modulator - 
return it.

(Other lists - copy this guy please, he's only on 
TRS80CoCo at yahoogroups.com )

Neil

----- Original Message ----- 
From: "benwillis" <benwillis at verizon.net>



> Hello, I'm new to this board and hope that there's 

somebody out

> there who can help me understand something.

>

> I've loved the Coco for years, used one in college 

back in the early

> 80's for my degree. It was cool to hookup to the 

TV, had a 300 baud

> modem, cassette drive, loved it, but always had 

screen interference

> problems with the RF modulator. Oh well.

>

> Now I've purchased one on eBay, even got a floppy 

drive (I just had

> cassette in college, couldn't afford the $500 

drive!).

>

> Anyway, I want to hook it up, and get a good 

picture. Bought an RF

> modulator, disappointing to say, it still has a 

crappy picture.

>

> Then I was wondering - the Coco (this is a Coco 2) 

has a composite

> video out, but what confuses me is it has _both_ 

video and audio

> over one cable. Newer TV's with composite input have 

just the video

> on the composite cable, and the sound is separate. 

Plus if I plug

> the composite from the Coco into the TV composite 

input, it (of

> course) doesn't work.

>

> What I don't get is, why doesn't it work? Why is the 

sound/video

> together on the Coco composite, but separate on 

"modern" TV's? Is

> it possible to separate the 2 somehow and plug 

directly into a TV

> without an A/B switch? All I want is to display the 

video crisp and

> sharp and also have sound. Should I just buy a Coco 

monitor?

>

> Any advice on improving the Coco picture, and making 

it work well

> with a TV, would be appreciated.

>

> Thanks,

> Ben




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