Question about Samsung HL-P4667W 46" Rear Projection HDTV
THE HD CHANNELS ARE SHOWING PERFECT PICTURES BUT THE CABLE CHANNELS HAS LINES AND ARE FUZZY.
Sounds like a scaler problem.
hd bypasses the scaler, any non hd will be bad, try other stuff like dvd and video games. if its consistent, you need a new digital main pcb
if not, let me know i can help
Posted on Jun 06, 2010
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Posted on Jan 02, 2017
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Saying that the problem is with your TV doesn't make any sense since your TV is fed from the cable box. Your TV doesn't know one channel from the next. If it had a problem it would effect all channels. You may not have enough signal to the INPUT of your cable box due to a problem on the pole or at your house or both. Insufficient signal can cause some digital channels to not get decoded properly by the cable box. The lower channels will show noise symptoms such as what you describe but they won't crap out altogether like the digital ones. Have a cable tech come out and measure the signals.
Do you have splitters in line with the cable anywhere? If there's any way to beef up the amount of signal getting to the cable box try it.
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