[Coco] Coco video out.

Little John sales at gimechip.com
Sat Oct 23 22:32:21 EDT 2010

Hey, all of that was my Son's so I'll have to go have a look at it. I'll get 
right back with you. John is finally home but him and his cousins are 
spending some time together. I was so happy to see the kid :) Let me have a 
look and see if he may have mixed something up when he put them into EAGLE 
from the hand drawn ones. I think they were tested on the CoCo 1 which has 
the MC1372 on the mobo... John assumed they'd work with the CoCo 2 which has 
the 1372 in the RF can - let me check and i'll get back to you. I am sitting 
here putting together a data separator out of  flip-flops, VCO and phase 
detector (the 9216B's seem hard for me to find so i'm looking at a discrete 
----- Original Message ----- 
From: "Mark Ormond" <markormond at mtxsystems.com>
To: <Coco at maltedmedia.com>
Sent: Saturday, October 23, 2010 9:16 PM
Subject: [Coco] Coco video out.

> This one is for John.
> I tried your video out circuit tonight, twice. :)
> I used a darlington and also tried the 2 npn circuits and got nothing out 
> of my coco2b.
> I double checked myself using your schematics and also download the brd 
> files to triple check myself.
> I am drawing the 5v and ground from the empty 4464 sockets and tapping pin 
> 12 of the mc1372 located in the rf modulator.
> When the circuit is connected I lose tv out also.
> Anything special about this model over the older ones?
> Thanks,
> Later,
> dabone
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco 

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