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Possessed new Samsung 55 6050 LED - Comcast, Cables, HDMI, What can it be?

post #1 of 5
Thread Starter 
So after purchasing a new samsung tv and hooking up the scientific atlanta comcast cable box through the first HDMI port, I noticed some green flashing pixels after a few weeks. Those green flashing pixels have now turned into what you see on picture #1. The strange thing is, if you switch the port to the third HDMI port you get whats on picture #2. My xbox 360 works fine hooked up into all 4 port using HDMI. The cable box works fine on HDMI ports #2 & #4. HDMI #1 and #3 are the ones that seem messed up. I have many wires in back of the tv and if you move them, the lines do move on the tv making me think its interference.

Im so confused, I have tried 3 different HDMI cables - still the same result. Im going to try a new cable box but I have a feeling it is going to give me the same results. I have read many weird things about HDMI, Im just not sure wether its the TV or not.

Has anyone seen anything like this?
LL
LL
post #2 of 5
If you've purchased certified High Speed HDMI cables from a reputable manufacturer then I doubt it's the cables. Is there any difference, according to the Samsung manual, between the HDMI inputs 1-4 on your tv? If you Xbox works fine on all 4 HDMI inputs then I would suspect that there's something with the Comcast box (output settings?). However, organizing and cleaning up your cables/wires in the back wouldn't hurt and is probably not a bad idea. Less clutter, mo better.
post #3 of 5
Thread Starter 
Got a new cable box, problem seemed to be fixed but now the picture shakes and jitters up and down slightly. I dont know what to think, is it possible that I have another faulty box?
post #4 of 5
Quote:
Originally Posted by muslenutz View Post

Got a new cable box, problem seemed to be fixed but now the picture shakes and jitters up and down slightly. I dont know what to think, is it possible that I have another faulty box?

Can't say but it sure sounds like Comcrap's the problem.
post #5 of 5
Thread Starter 
Turned out my box was set to only 1080i, I added 780P in the settings and everything is ok so far. Screw Comcast!
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AVS › AVS Forum › Display Devices › LCD Flat Panel Displays › Possessed new Samsung 55 6050 LED - Comcast, Cables, HDMI, What can it be?