Kenwood RXDF2 stereo problem

When I plug it in, it shows the clock. I press POWER to turn it on (out of standby, that is), and, for a second, it pretty much works. Then, a second later, it “freezes”: The screen shows a series of dashed lines, and no button works until I send it back into standby. when it’s in standby, I can press “CD”, “tape”, etc. and it attempts to do those functions for a second, but then goes back into freezing.

Can anyone tell me what the problem is? I hope it’s something simple that I can fix myself. (e.g. a blown fuse)