[Coco] modifiying a coco 2 power supply

[Robert Gault]

didier derny wrote:
>
> The coco II  I received is  110V 60Hz
>
> I guess I can disconnect the transformer and
> feed a dc signal after the diode bridge ?
>
>
>
> --
> didier
>

More or less but it is not quite that simple. There is a Coco2 service manual at
http://www.colorcomputerarchive.com/coco/Documents/Manuals/Hardware/Color%20Computer%202%20Service%20Manual%20%28Tandy%29.pdf
You should look at the power circuits.

The Coco2 power supply is like the Coco3, in that +-DC is supplied to a SALT 
chip which regulates the main +5vDC and DC for other circuits.

Robert