+OLD CS1 Posted April 24, 2016 Share Posted April 24, 2016 Yup. I have one of these beasts with 5V @ 7.5A. Mine no longer works properly. Who is fixing these units these days? Quote Link to comment Share on other sites More sharing options...
RobertB Posted April 24, 2016 Share Posted April 24, 2016 Ray Carlsen repairs them. The tech from The Other Group of Amigoids upgrades them with modern components. Truly, Robert Bernardo Fresno Commodore User Group http://www.dickestel.com/fcug.htm July 30-31 Commodore Vegas Expo v12 - http://www.portcommodore.com/commvex Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted April 25, 2016 Author Share Posted April 25, 2016 Ray Carlsen repairs them. The tech from The Other Group of Amigoids upgrades them with modern components. Tah donkeys, once again. I think I like the idea of "modern" components, like a switching 5V supply, but how modern can you get with 9V AC? Quote Link to comment Share on other sites More sharing options...
7800fan Posted April 25, 2016 Share Posted April 25, 2016 Tah donkeys, once again. I think I like the idea of "modern" components, like a switching 5V supply, but how modern can you get with 9V AC? Just a step down transformer from the mains. Nothing else. This part hadn't changed in well over 100 years since AC won out over DC for power grid in USA and in the world. Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted April 25, 2016 Author Share Posted April 25, 2016 Just a step down transformer from the mains. Nothing else. This part hadn't changed in well over 100 years since AC won out over DC for power grid in USA and in the world. I figured as much. Still a "wall wart." Is there any benefit or drawbacks to using a switching DC power supply, then using a DC-AC inverter to supply to 9V AC, assuming one with sufficient amperage is available? Quote Link to comment Share on other sites More sharing options...
carlsson Posted April 25, 2016 Share Posted April 25, 2016 Someone posted specs on a power supply using a circuit to generate a 9V square wave. It is not recommended, as you rather would want the sinus wave of real AC. Quote Link to comment Share on other sites More sharing options...
cjameslv Posted April 25, 2016 Share Posted April 25, 2016 Better off adding your cable from your ps to a c128 and calling it a day. Quote Link to comment Share on other sites More sharing options...
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