Re: c64 / vic 20 power supply replacement

From: Jim Brain <>
Date: Fri, 28 Oct 2016 13:35:45 -0500
Message-ID: <>
On 10/28/2016 2:37 AM, Didier Derny wrote:
> Hi
> 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...
> -- 
> didier
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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 

Have not had time to work on it this year, but need to get it off my 


Jim Brain

       Message was sent through the cbm-hackers mailing list
Received on 2016-10-28 19:00:02

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