Tivo bolt black screen changing channels when HDMI UHD color enabled on HDMI input - AVS Forum | Home Theater Discussions And Reviews

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post #1 of 4 Old 07-05-2016, 07:54 PM - Thread Starter
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Tivo bolt black screen changing channels when HDMI UHD color enabled on HDMI input

ok so my 4K tv (samsung KS9000) offers a "HDMI UHD Color" mode which states
"An HDMI connection with HDMI UHD Color set to Off supports up to UHD 50P/60P 4:2:0 input signals,
while an HDMI connection with HDMI UHD Color set to On supports up to UHD 50P/60P 4:4:4 and 4:2:2
input signals"

the tivo is set to 4K (2160p 60fps or 2160 fps)

I do have this hooked to a AV receiver Marantz NR1607 but it does the same when going directly to the tv so i don't see that as a cause

i just get a short 1sec black screen when i change the channel, is this the tivo trying to change the resolution?


HDCP 2.2 is enabled

i can turn off the feature and all goes back to normal but since normally this would go through the receiver I would like to have this feature enabled unless i don't need it at all
thank you
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post #2 of 4 Old 07-06-2016, 07:57 AM
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Moved to recorders forum.

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post #3 of 4 Old 09-21-2016, 11:05 PM
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I'm having the exact same problem with my UN75HU8550 and TiVo Bolt.

Did you ever find a solution?
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post #4 of 4 Old 09-27-2016, 04:14 PM
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Also encountered the same problem when our new Bolt+ is connected to our Samsung UHDTV.


If UHD Color is set to on for the Bolt+'s HDMI port, a black screen is displayed whenever the video is changed due, such as when doing skips forward or backward while a video is playing.


Disabling the UHD Color fixes the problem.


What's surprising is that this is a problem even when the Bolt is displaying TV videos using 1080p - and not just at UHD resolution.


Plus, after watching a video with UHD Color On, the Bolt crashed at the end of the recording - and had to be unplugged from the power in order to get it back.
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