Hi, Ray; I am no TV expert but I read that you may have an 'ssb panel' problem. Not cheap but you can change it yourself. I have to assume that you have tried different inputs and settings. Here is a link to a free user guide download look on page 61 -
download.p4c.philips.com If that link doesn't work, I got it here -
www.p4c.philips.com Good luck and let us know what you find.
download.p4c.philips.com If that link doesn't work, I got it here -
www.p4c.philips.com Good luck and let us know what you find.