picture freeze problem

[daveking253]

Hi all.
I was wondering if any body else has this problem..

This happens on my,,,,dm500//tm600//nbox 5800s.

When I change channel or a program ends the picture freezes when
the next program starts.
its only for about 2 seconds but its getting to me.

tried many images without any luck.
hope some one can help me on this please..

thank you all..

dave king