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

Stephen H. Fischer SFischer1 at Mindspring.com
Tue Feb 10 19:41:20 EST 2015


Words, words, nothing but words!

Past the URL into http://translate.google.com/?hl=en&tab=wT to get English.

The only good thing on that site is the 74als02 logic diagram.

Try again people!

SHF

----- Original Message ----- 
From: "Daniel Campos" <daniel.campus at gmail.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Tuesday, February 10, 2015 4:18 PM
Subject: Re: [Coco] CoCo3 to KV-1311CR Monitor cable.


> Practically this cable is an LS02 configured to combine and invert the 
> sync signals of the CoCo3.
> This can also be done internally and is just used a direct cable after. 
> This is explained in detail on Victor Trucco site (sorry is in 
> portuguese, but you can follow the pictures because is a pretty easy mod 
> to do).
> 
> http://www.victortrucco.com/Diversos/ConsertoCoco3/ConsertoCoco3.asp
> 
> Daniel
> 
> On 10/02/2015 22:03, Arthur Flexser wrote:
>> Here's Marty's document on his cable.  It doesn't contain a circuit
>> diagram, unfortunately.  I did the modification inside the Sony to provide
>> 5V to the Sony's connector, as suggested on the bottom of the third page.
>>
>> https://drive.google.com/file/d/0B-q4dMVxT7u4bW1GdTJpSFVpcjQ/view?usp=sharing
>>
>> 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
>>>
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> https://pairlist5.pair.net/mailman/listinfo/coco
>>>
> 
> 
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>


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