How Can I Solder Direct Current Whit The Original Charger Io Dock Ii
Chosen Solution I have a alesis iO Dock 2 , and the power plug in broke and i lost the little piece but it was working ok, so im trying to plug ( solder) the charger direct to the pcb but it does not say which one is positive or negative anybody can help me? Or is there a tutorial about finding the positive and negative on a pcb board whit no electricity runing?...