Troubleshooting Sony Sv2000 Dvd Recorder Troubleshooting A Sony Television?

Troubleshooting a sony television? - troubleshooting sony sv2000 dvd recorder

I have a Sony KV-27FS16 television, he worked some time ago, but now when I turn, horizontal lines and a blurry picture behind him. I tried to step back and looked at both horizontal and vertical adjustment, but it works. HOW DO I picture back to work.