JVC AV-32230 32" TV "ps2 turn black" Questions

...turn it back on, a parental lock appeared and now all we have is a black screen with parental lock appearing in blue letter. we don't have a manual and the remote is not responding to anything, all ...

...turn on my TV last night (Trinitron KV-36FS12) and there was no picture, just a black screen, though there was sound. All the display and menu functions worked on the TV and I was able to pull up ...

...black blob. I've tried 480i on the PS2 and my Panasonic RV-32 DVD player and the picture quality is just inconsistent and plain bad. There are also these lines that go up and down the tv when a video ...

PS2 with no box on the screen. It's only there when we are watching cable. It looks like it should be a menu box or something, but nothing is written in it. How can I fix this? Well if you have anyway