Hello, I upgraded my IR camera to a 480 line 1/3" sony ccd chip and I have this dark line near the top of the image. When I plugged the camera directly into my lcd tv the picture is fine. I also noticed that the display said the feed was in 576i.
Here is the chip I bought:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330394331403&ssPageName=STRK:MEWNX:IT