Re: c64 / vic 20 power supply replacement

From: Daniel V. Mackey <>
Date: Fri, 28 Oct 2016 16:44:50 -0400
Message-Id: <>
At 02:35 PM 10/28/2016, you wrote:
>On 10/28/2016 2:37 AM, Didier Derny wrote:
>>Is there any existing replacement for c64 power supply ?
>>I have 2, one with round connector for c64 / 
>>vic 2 and one with square connector for plus4
>>both are heating like hell, in no time and have a really bad smell...
>>I found one replacement on ebay but apparently 
>>not working in europe... I tried to contact the vendor but no answer...
>>I found some people using 2 power supply┬  5v 
>>from usb┬  and 9v ac from an external 9v ac power supply
>>any way to produce the 9vac from┬  DC ?
>>there is the problem of galvanic isolation...
>>┬ ┬ ┬ ┬ ┬  Message was sent through the cbm-hackers mailing list
>Bil Herd (who lurks here) came up with an idea 
>for such an option, using 2 FETs, a small 
>transformer, and a 5V PSU.┬  As he's stepped 
>away from the effort, I am retooling it for a 
>12V switching PSU, which will provide both 
>voltages from a single 12 volt source.┬  It'll 
>have a small time source to generate either 50Hz 
>or 60Hz AC, selectable via jumper/switch.┬
>Have not had time to work on it this year, but need to get it off my bench...

I was going to ask you about this at ECCC this 
year but completely forgot about it. :)


QUOTE : "A Clean bench is a sign of a weak mind."

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Received on 2016-10-28 21:00:53

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