Big screen zenith pvy6067dt dont have any manual and tv and dvd will only work on pip small pic cant get the full screen to work and dont know how

Have you tried unplugging it for 10 mins to reset it?Remote would be nice to reset it quicker.

Most likely in PIP mode. (pic in pic)

As you told big picture freeze is working ,then there could the problem in the main processors which not to able pick video input signal ...If you would like to attempt a DIY, you will need a service manual to guide you. You can find one here:http://servicemanuals.vstore.ca/ which also contains the part number incase you need a new part...

Good luck.....

you can change the channel of the small screen .just read the user manual of your tv.to your problem is only in the remote control

Good Day, peterferd;
Try resetting the TV by unplugging from A/C outlet wait 3 to 5 minutes then plug back in. No fix? Call service company.
Good Luck, big IRISH.

The PIP may only work with an external tuner or source (VCR, DVD, CATV box, etc) If your TV doesnt say "dual tuner" then you need an external source for the PIP (Use a VCR and its tuner for instance)

See the solution here.

See the solution here.

i just bought one of these with the same problem and had a repair man come over. said it has a h.v. power supply problem even though the red light is on and some little board cant read the handwrighting on estimate but will follow up. must replace the whole board the power supply sits on, it is the big board that the power cord connects to in the back of the tv... other board it is located behind the little panel in between the speekers on the front it is the little one in the left hand top corner. parts/labor mainly parts +/-$500. is it worth it? ihave not seen this tv working so if there are any comments about the picture quality i woul like to hear/read them. hope this helps.

The PIP module is bad or the video processor circuit. Most likely a main board replacement will be neccasary. Good Luck