[Coco] Just cleaned up my retro room

Rob Rosenbrock bester at adamswells.com
Wed Nov 15 09:01:15 EST 2017


He removed the transformer, so the 12v DC was connected straight to the
bridge rectifier. Not an issue.

>    I sure hope you now know that a transformer works on AC not DC. And
>    putting DC on a transformer could be a shocking experience if you were
>    holding the leads when the power is removed (flyback).
>
>      On November 15, 2017 at 7:08 AM "Bruce W. Calkins" wrote:
>      Back in '97 while driving big trucks I pulled the transformer from a
>      CoCo 3 and plugged in 12 volts, negative to the center and positive
>      to
>      one of the outside taps. This did not provide a minus supply for the
>      RS-232 serial port, but as I did not run a printer it was no
>      hardship.
>      Bruce W.
>      On 11/15/2017 12:37 AM, Steve Pedersen wrote:
>
>      I do have an inverter battery system in my van so I kind of have
>      power I
>      have a TV but it's not hooked up right now in the van this will be a
>      fun
>      little project for me not sure how long my batteries will last
>      powering it
>      it will be really something to see the old green screen again.
>
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>
> References
>
>    1. mailto:Coco at maltedmedia.com
>    2. https://pairlist5.pair.net/mailman/listinfo/coco
>
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