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Topic:
Fiber Optic HDMI Issues with 4k60 HDR
This thread has 15 replies. Displaying all posts.
Post 1 made on Wednesday January 24, 2018 at 11:03
DIY2PRO
Long Time Member
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Hi all -

Trying to get a 70' run from LG OLED C7 to a Denon 3400H receiver using the Celerity fiber optic cable. 4k sources connected to the Denon are a 4k Apple TV and a Sony X800 UHD BD player.

I am unable to get a steady connection when the Apple TV changes to 4k HDR or Dolby Vision and I turn on Ultra Deep Color on the LG. The Sony X800 appears to work when playing 4k HDR content and the LG changes to Deep Color. However, the connection drops some times and I get a black screen.

I changed the HDMI cables going from both sources to the Denon multiple times. The Belkin 'certified' HDMI 2.1 cables seem to be the least problematic and I've tried at least 2 other 'certified' 4k HDR cables, but they were more problematic. Per Denon's instructions, I have moved the HDMI inputs on the receiver from my 4k sources to the ports closest to the output port.

I have also tried another off-brand directional Fiber optic HDMI cable from the LG to the Denon and it proved worse than the Celerity cable.

Any suggestions...?
Post 2 made on Wednesday January 24, 2018 at 13:10
Fred Harding
Super Member
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What happens when you take the apple or the sony and hot wire directly to the display?
On the West Coast of Wisconsin
OP | Post 3 made on Wednesday January 24, 2018 at 18:37
DIY2PRO
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On January 24, 2018 at 13:10, Fred Harding said...
What happens when you take the apple or the sony and hot wire directly to the display?

I'll get back to you on this. I tried this when we first unboxed the TV and it was having issues with HDR. However, I wasn't using the 'certified' cables at the time.
Post 4 made on Wednesday January 24, 2018 at 20:35
Brentm
Ethereal Home Theater
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Have you gotten into the Denon menu and validated that it was in fact setup for 4K/HDR (they are not out of the box)?

Also "Certified HDMI 2.1 Cables" (?) certified by who?
Also "Certified 4K/HDR Cable" again certified by who?
Brent McCall
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Ethereal Home Theater (386) 846-7264 Cell
Post 5 made on Wednesday January 24, 2018 at 20:46
Craig Aguiar-Winter
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On January 24, 2018 at 20:35, Brentm said...
Have you gotten into the Denon menu and validated that it was in fact setup for 4K/HDR (they are not out of the box)?

Yes it's called "Enhanced HDMI" in the menu.

Craig
My wife says I can't do sarcasm. She says I just sound like an a$$hole.
Post 6 made on Wednesday January 24, 2018 at 21:30
kpeters
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I personally never had a good experience with the Celerity cables. They've been extremely prone to field failures. If I'm gonna go for distance runs, I opt for the DPL certified models.

The one that really caught my eye was the Inneos Real4k adapter, which is just a set of endpoints that use a single strand of standard fiber. Say goodbye to pulling those bulky, fragile cables through walls! Just pull some run-of-the-mill multimode, terminate it (in under a minute if it's the Cleerline stuff), and you're good to go.
Post 7 made on Wednesday January 24, 2018 at 23:22
iform
Active Member
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560
Try using a usb charger instead of the usb on the display
OP | Post 8 made on Thursday January 25, 2018 at 12:03
DIY2PRO
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On January 24, 2018 at 20:46, Craig Aguiar-Winter said...
Yes it's called "Enhanced HDMI" in the menu.

Craig

Confirmed.
OP | Post 9 made on Thursday January 25, 2018 at 12:04
DIY2PRO
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On January 24, 2018 at 23:22, iform said...
Try using a usb charger instead of the usb on the display

Confirmed. I have a USB charger plug on both ends (thanks to another forum thread here) thinking it was receiving a bad power signal from the USB port on the display.
OP | Post 10 made on Thursday January 25, 2018 at 12:07
DIY2PRO
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On January 24, 2018 at 20:35, Brentm said...
Have you gotten into the Denon menu and validated that it was in fact setup for 4K/HDR (they are not out of the box)?

Also "Certified HDMI 2.1 Cables" (?) certified by who?
Also "Certified 4K/HDR Cable" again certified by who?

It was a waste of money and will be returned, but see this link.
OP | Post 11 made on Thursday January 25, 2018 at 12:18
DIY2PRO
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On January 24, 2018 at 21:30, kpeters said...
I personally never had a good experience with the Celerity cables. They've been extremely prone to field failures. If I'm gonna go for distance runs, I opt for the DPL certified models.

The one that really caught my eye was the Inneos Real4k adapter, which is just a set of endpoints that use a single strand of standard fiber. Say goodbye to pulling those bulky, fragile cables through walls! Just pull some run-of-the-mill multimode, terminate it (in under a minute if it's the Cleerline stuff), and you're good to go.

Thank you for the suggestions. This stuff gets super pricey real quick. I guess that's the price to be paid right now for a long-distance stable UHD connection between a source and TV.
OP | Post 12 made on Thursday January 25, 2018 at 17:32
DIY2PRO
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I reached out to Celerity and they are sending me replacement DFO ends to try out. Will report back...
Post 13 made on Thursday January 25, 2018 at 23:37
iform
Active Member
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September 2010
560
It only needs power on the receiver end. Not both
Post 14 made on Friday January 26, 2018 at 13:50
kpeters
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On January 25, 2018 at 12:18, DIY2PRO said...
Thank you for the suggestions. This stuff gets super pricey real quick. I guess that's the price to be paid right now for a long-distance stable UHD connection between a source and TV.

I know at CES they announced a big ~40% price drop with a new kit.. Keep your eyes out!
OP | Post 15 made on Monday January 29, 2018 at 10:42
DIY2PRO
Long Time Member
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Quick update. Celerity mailed me 2 replacement DFO ends for their fiber optic cable. The cable ends I received had this little yellow sticker on them. The DFO ends that I currently have have a green sticker on them.

Long story short, the new ends did not work. Couldn't get a successful connection between TV and receiver no matter what I tried (regardless of resolution, content, USB power, etc.). Reverted back to the old DFO ends and the picture was back. Though the 4k issues remain.

I may have been unlucky and received a set of DOA DFO ends. Waiting to hear back from them.
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