I had a friend with a similar model. They futzed with it for months. A year passed and then they dragged it over to me again. I would have nothing to do with it. Yes, there's a reset, you can clean heads, try a new tape but if you must use the 320, get another on ebay.
The playback works fine, but when I want to record, there is no picture to record. Forget the battery, they are both dead, so I'm using AC power. I can't find a setting that would cause this problem. Any ideas??