[Coco] powering a coco2 3134 with DC
Steve Batson
steve at batsonphotography.com
Tue Apr 21 16:47:42 EDT 2015
Is AC passed to any other part of the board?
Steve Batson
Batson Photography
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> On Apr 21, 2015, at 1:34 PM, didier derny <didier at aida.org> wrote:
>
> I'm trying to power a coco2 3134 with DC
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> On the schematics the transformer entry is followed by a bridge
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> So I connected + 12 / -12 directly on the transformer pins
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> The power supply is running (producing +12 / -12)
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> I have 4.98v on the VCC pins of the chips
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> But black screen
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> Any idea ?
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> Thanks
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> --
>
> Didier
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>
>
> --
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