Qualified competent technicians dont perform TRIAL and ERROR with parts and components. They investigate and fault find using diagrams and available materials before installation of the right part. I dont and also can not resell if I accepted the item back. I hope above statement is understandable and fair enough.This item is in the category "Industrial\Electrical Equipment & Supplies\Power Supplies\Switching Mode Power Supplies". The seller is "partsncomponents" and is located in this country: AU. This item can be shipped worldwide.