Re: apprentice sorcerer...

From: Mike Stein <mhs.stein_at_gmail.com>
Date: Wed, 12 Oct 2016 13:39:43 -0400
Message-ID: <CB9394D0872B44158B7730DBDE25E50D@310e2>
All reversible of course... ;-)

How are you powering the display?

m

----- Original Message ----- 
From: "Didier Derny" <didier@aida.org>
To: <cbm-hackers@musoftware.de>
Sent: Wednesday, October 12, 2016 6:16 AM
Subject: apprentice sorcerer...


> hi
> 
> I'm thinking to the following modification on the cbm 8032 motherboard
> reinstall a regulator for 5v  (switched version)
> reinstall a 5v regulator in place of 12v (switched version)
> Inject +9v DC on the power supply connector for both 5v and 16v... AC
> 
> I hope to get:
> +5v  normal place
> +5v  in place of 12v
> nothing on -5v
> a bit less than 9v unregulated (for tape)
> 
> I did something similar on a tandy coco 2 and it works fine...
> 
> any idea ?  (the power supply of the cbm is more complex that the one on 
> the coco)...
> 
> --
> didier
> 
> 
> 
> 
> 
> 
> 
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Received on 2016-10-12 18:01:23

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