Hi. I have a panasonic omnivision tv vcr dvd combo. For some reason it only changes chanel from 13 to 105. It happened because I hit the input button. It changed from line 1 to line 2 and then ch 13. It has a flashing light labeled prog timer. The remote doesn't do anything either. How can I get it back to chanel 3 so I can watch cable? Thank you so much for your help. My e mail is enidnavarro1@yahoo.com