Samsung HCL4715W 47" Rear Projection Television "hd tv gets feedback" Questions

...moved where we can get Directv HD signal..thanks in advance for any feedback I HAVE CABLEVISION T.V. MY SAMSUNG HCL47-15W SAY ITS HIGH DEFINITON BUT I DONT SEE ANY CORD TO RUN IN HIGH DEFINITON ...

...tv is somehow creating a feedback into the cable boxes that is destroying the buffers in the box causing all these problems. I have had the line cable replaced and the electrical wiring to the tv is ...

TV first comes on the picture is wavy and jittery. In regular definition, after a few minutes of warm up, the picture becomes perfect. But using the HD inputs the top of the screen has horizontal wavy

...tv by the remote or pull the plug because sometime the remote will not turn this off. when we turn it off we let it stay off for about one -two minutes, and the full HD image comes back. It may be ...

...HD panel with analogue tuner. The A/V works fine as does the HDMI but the tuner is not picking up any signal. it has 4.30 volts and 3 volts at test points If this is the first time this is being set ...