After having my xenon amp on repair te blue "diod"lamp dont work any more
A whas askt to opend it to look if the cabel whas plugd in and it was. But the black kabel is going in to the end that says + on the cirket board as sen here in the picture. I mark it in te red cirkel
hope you can halp me whit te question and that you understand me very bad english.
