Sony Cyber-Shot DSC-T3 Digital Camera "overlight" Questions

My casio Z6 camera is 4 yrs old and all the pictures are now "overlighted" do I have to change a spare part and how much will that be. Is there a service point in the Netherlands. I'm assuming you are

The LCD-screen seems to work normal. But when we take a picture (camera-mode normal and record-mode normal) the result is overlighted and misty and full of horizontal lines. In video mode the camera ...