Hi legolas and welcome to MobileRead!
I'm sorry to hear you are having trouble with your reader. I hope you can get it repaired. Here is the link for sony support in Europe. If you go to the page, there is a further link to take you to the repair/contact page. You will need to enter your country details. Good luck!
http://support.sony-europe.com/dna/p..._model=PRS-505