[Coco] CoCo3 to KV-1311CR Monitor cable.

Arthur Flexser flexser at fiu.edu
Tue Feb 10 14:43:01 EST 2015


Marty sold those cables through me, and I probably have a copy of that
document around somewhere.  I'll try and locate it.

Art

On Tue, Feb 10, 2015 at 2:41 PM, Stephen H. Fischer <
SFischer1 at mindspring.com> wrote:

> A facebook user wants to connect his CoCo3 to a Sony KV-1311CR like I did
> decades ago.
> "Little" John speaks of a document that Marty Goodman posted somewhere but
> I cannot find it. Marty appears to have built most of those cables sold.
> -------------------------------------------------
> I have three 76 ohm (Violet, Green, Black) resisters in the RGB lines
> which cuts the voltage seen by the KV-1311CR in half.
> A fourth resistor 50?? (Green, ???, Black) I believe is in series of the
> output of the 74ALS02 sync combined IC.  I cannot tell the middle band.
> -------------------------------------------------
> Sony KV-1311CR inputs
> RGB input: 0.7 V p-p, 75 ohms terminated
> Composite sync input : 0.2 - 1.2 V p-p, 75 ohms terminated
> -------------------------------------------------
> I would like to give the user a link to the circuit, I just used my normal
> method of looking at the data sheet and just doing the wiring may not work
> for him.
> Rainbow searches looking for the Good Doctors circuit have failed for me.
>
> TIA
>
> SHF
>
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