BLuRry wrote:
Although something tells me that the components on the vulcan power board don't like being grounded out. It lets the magic smoke out of any fuses you try to insert into it afterwards. From the +5, -5, +12 and -12 voltage outputs I still manage to get a whopping +0v, -0v, +0v and -0v respectively.
The fact that all voltages are "off" indicates that the problem is on the primary side of the switching transformer, not the secondary side. Fuse, bridge, switching transistor, transformer primary are the likely suspects. And I agree that if the bridge is blown, the transistor should also be replaced. Then if the transformer is blown, you need a new supply. ;-( -michael Music synthesis for 8-bit Apple II's! Home page: http://members.aol.com/MJMahon/ "The wastebasket is our most important design tool--and it is seriously underused."