maybe the ps2 has a short inside its power supply.....im in electronics class an i fixed my ps2 in there the teacher took me through the whole process. Its difficult but its not worth paying 50 dollars for a piece of supplys that are only 1 dollar all togetheer and u can learn how to put it togehter....u know...maybe u have a short...if not...then i dont know wtf is wrong...just my 2$ cents