This may help someone   

http://www.dubnet.org/Ampeg-VH140C-schematics.pdf

ok so completely disconnecting the ground from the outlet solves it, but is this safe??

checked that too....  i might just bring it into school with me and make my instructor figure it out ha

yeah all the grounds go to the 0V line.  i just found it odd how 0v can be connected to the chassis when it goes straight out of the transformer (through the filter caps) to the amp...

the mains wiring is pretty simple and there is nothing that could be wrong that i see... the mains fuse doesn't blow and its half the size it could be. Its the dc fuses that blow that are at the input of the amp chip... could it still be the mains if it does this??? (since it is totally separate)  i dont mean to sound like a know-at-all but im stumped...

i tried using a different power cord and for some reason it works better :loco.... the sound stays until past half volume, then the buzz and fuse goes...
i tested the mains and there doesn't show to be any short, all wires are right. HOWEVER, the amp is a  V+  0  V-  design and the 0 volt line shows that it is connected to the chassis. It is not anywhere and this confuses me. could that be the problem?

i built a decent 200 watt amp for just music and whatnot. however, when i hook it up to an audio source that is also plugged into the wall, it creates a buzzing sound and blows the fuses. For example, if i have the amp plugged into my laptop for music it works great, but once i plug my laptop into the wall to charge, the fuses blow... so any ideas what it could be or how i could fix this??