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I recently purchased a 3803 receiver and noticed a problem with the video circuitry. I exchanged it for a new 3803, and the second unit had the same problem. This is what happens:
When the 3803 is outputting s-video on the component outputs using the upconversion circuitry, I notice faint magenta and green bands, about 1/20 of the height of the screen, that slowly scroll up the screen. The bands are faint and only visible when the screen is dark or black. However, when a DVD with component video is played through the 3803, the bands are not visible. The bands are visible even without any source whatever. I connected the 3803 to my TV with only the component cable--nothing else was plugged into either the 3803 or the TV. When the 3803 was outputting on-screen display information, the bands were visible. However, after several seconds the screen went black and the bands disappeared, apparently when the on-screen display or video upconversion turned off and the unit was outputting regular component video without any conversion or OSD info.
I thought that this might be a ground loop issue, so I disconnected everything except the component cable. I swapped out the component cable, and I tried plugging the 3803 and the TV into the same electrical outlet as well as into different outlets. I made sure the component cable was separated from the power cables. But the bands were still there. I know that it is not the component inputs on the TV or the cable because the bands disappear when the 3803 is outputting only component video without any conversion or OSD. When I switch my TV into video input rather than component input, the picture is fine.
Have others reported this problem. One of my primary reasons for purchasing the 3803 was its upconversion feature as I am installing a projector and do not want to run both s-video and component cables to the rear ceiling.
When the 3803 is outputting s-video on the component outputs using the upconversion circuitry, I notice faint magenta and green bands, about 1/20 of the height of the screen, that slowly scroll up the screen. The bands are faint and only visible when the screen is dark or black. However, when a DVD with component video is played through the 3803, the bands are not visible. The bands are visible even without any source whatever. I connected the 3803 to my TV with only the component cable--nothing else was plugged into either the 3803 or the TV. When the 3803 was outputting on-screen display information, the bands were visible. However, after several seconds the screen went black and the bands disappeared, apparently when the on-screen display or video upconversion turned off and the unit was outputting regular component video without any conversion or OSD info.
I thought that this might be a ground loop issue, so I disconnected everything except the component cable. I swapped out the component cable, and I tried plugging the 3803 and the TV into the same electrical outlet as well as into different outlets. I made sure the component cable was separated from the power cables. But the bands were still there. I know that it is not the component inputs on the TV or the cable because the bands disappear when the 3803 is outputting only component video without any conversion or OSD. When I switch my TV into video input rather than component input, the picture is fine.
Have others reported this problem. One of my primary reasons for purchasing the 3803 was its upconversion feature as I am installing a projector and do not want to run both s-video and component cables to the rear ceiling.
