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Old 09-29-2013, 08:41 PM   #1
sdsvtdriver
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Question Colors get purple hue, then suddenly correct

I noticed while watching AMC that the picture tends to get a purple hue often, then suddenly corrects. Has anyone seen this happen before? I don't notice it on any other channels and it happens on my other TV with an S3 connected.

Signal strength is 100. SNR 36.

Here's a (badly taken) video sample. You can see the background to the left of Walt get purple and then correct suddenly.


Purple
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Old 09-29-2013, 09:24 PM   #2
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Are you using component (Separate RBG RCA cables) connection to your TV? If so, check the connections or suspect a bad cable. Purple would suggest a weak or missing Green signal. However, sync comes along the green cable also, so if that is completely disconnected you get a black screen. A weak Green signal could still provide sync but make the picture somewhat purple, I would think. Easy to tell: just wiggle the cable near each end.

I don't see this effect on any channel, including AMC with my Tivo HD.
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Old 10-01-2013, 12:44 AM   #3
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Thanks for the reply. Running HDMI, no component. I wonder if it's in the cable company side.
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Old 10-01-2013, 06:29 AM   #4
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It could be your TV acting up. How old is it?
I would say to temporarily put your source directly to the TV, bypassing the Tivo.
This will, at least, help you narrow down which device may be the culprit.
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Old 10-08-2013, 11:23 AM   #5
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Try a different HDMI cable to see if the problem still occurs. I had a similar issue, where the color would get all whacky and I'd have to "restart". I'm all OTA, by the way.
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Old 10-08-2013, 12:25 PM   #6
MikeAndrews
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Quote:
Originally Posted by sdsvtdriver View Post
Thanks for the reply. Running HDMI, no component. I wonder if it's in the cable company side.
Nah. It's HDCP or something else going wrong on the HDMI handshake. That's what I get with my Roku when I have 5.1 sound(?) enabled vs 2 channel stereo.

Check the HDMI cable connections and try shorter cables. It won't fix it.

Going to component cables will fix it.
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