Blurred image. The blurring is not connected to replay on a TV. On using the mode selector, the

Question

The blurring is not connected to replay on a TV. On using the mode selector, the video recorder works well at times and then when going to use it again, their is no view through the view finder or on the LCD screen.

I have tried changing modes, powering down, removing battery, checking recording heads etc, but it is not possible to guarantee an image. Sometimes no image at all, other times, a streaked blur.