Re: apprentice sorcerer...

From: Mike Stein <mhs.stein_at_gmail.com>
Date: Wed, 12 Oct 2016 16:34:32 -0400
Message-ID: <44316B931F4E46AA801829BE12C8ED8C@310e2>
So, you're going to use a 9V supply in the final version instead of the AT(X) ? Sounds good, but why *two* regulators?

m

----- Original Message ----- 
From: "didier derny" <didier@aida.org>
To: <cbm-hackers@musoftware.de>
Sent: Wednesday, October 12, 2016 3:28 PM
Subject: Re: apprentice sorcerer...


> the atx power supply is connected with flying wires...
> 
> 
> some people blew a fuse when they saw a cherry tree :)
> 
> for me it's when I see flying wires :)
> 
> 
> I guess I can have something nice with a single tension +9v
> 
> 
> On 12/10/2016 21:19, Mike Stein wrote:
>> Why do you need regulators if you're using an ATX supply?
>>
>> m
>>
>>
>> ----- Original Message -----
>> From: "didier derny" <didier@aida.org>
>> To: <cbm-hackers@musoftware.de>
>> Sent: Wednesday, October 12, 2016 2:38 PM
>> Subject: Re: apprentice sorcerer...
>>
>>
>>> Hi :)
>>>
>>> I dont have any display only a motherboard :)
>>>
>>> actually  composite interface on flat screen...
>>>
>>> in a few ways on vga...
>>>
>>> yes reversible no flying wires, no tracks modified...
>>> just a swap of a few components...
>>>
>>>
>>>
>>>
>>> On 12/10/2016 19:39, Mike Stein wrote:
>>>> 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
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>         Message was sent through the cbm-hackers mailing list
>>>>          Message was sent through the cbm-hackers mailing list
>>>
>>>        Message was sent through the cbm-hackers mailing list
>>         Message was sent through the cbm-hackers mailing list
> 
> 
>       Message was sent through the cbm-hackers mailing list

       Message was sent through the cbm-hackers mailing list
Received on 2016-10-12 21:00:02

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