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Can't Do 480p On Modern 4k Tv


nabilrezki
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Hi guys,

I just bought a hd link clone on amazon for my xbox (pal tsop 1.4 motherboard, the bios was flashed in order to get hd mods) because my TV doesn't have a component port, only hdmi and rca, the cable hd link works well at 720p and 1080i signals, but doesn't at all at 480i/480p , the screen is flickering as f*** at thoses signals. I figured it came from this cheap cable, so i send it back to amazon, and order a component cable + a component to hdmi converter.

Just received it, tried it, and it does the exact same thing, i was thinking that it was either bad luck or i was doing something wrong, so i tried that on a older tv that have component port and hdmi, tested both ports, and it worked with no problem at all !!

Do you guys have any idea on why it will work on a tv and not on a other one?

 

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Just did, here's the accepted signals 4096 x 2160p (24, 50, 60 Hz), 3840 x 2160p (24, 25, 30, 50, 60 Hz), 1080p (30, 50, 60 Hz), 1080/24p, 1080i (50, 60 Hz), 720p (30, 50, 60 Hz), 720/24p, 576p, 576i, 480p, 480i

 

When i plug the hdmi to the tv, it does show the 480p/480I on the top of the screen, everything is there (sound and video) but it's just goes black every 2 seconds

 

The TV is model is Sony KD-55XE7096

 

Could it come from the fact that it's a converted component and not a native hdmi cable?

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Guess, I don't know why there's a problem.  The manual states that the HDMI IN 1 supports 480p and 480i along with many other higher resolutions.

HDMI IN 1, IN 2, IN 3 (ARC) (Support 4K resolution, HDCP 2.2-compatible)
HDMI Video: 4096 × 2160p (24, 50, 60 Hz), 3840 × 2160p (24, 25, 30, 50, 60 Hz), 1080p (30, 50, 60 Hz), 1080/24p, 1080i (50, 60 Hz), 720p (30, 50, 60 Hz), 720/24p, 576p, 576i, 480p, 480i.

Are you using HDMI IN 1, IN 2 or IN 3? 

I'm not sure why they have this statement about HDMI IN 2 or IN 3 in the user manual:

* HDMI IN 2 and IN 3 support High-Quality HDMI
formats such as 4K 60p/50p 4:2:0 10bit, 4:4:4, 4:2:2.

Although, the * I see is to direct one to it is next to Satellite antenna* in the manual's Input/Output jacks section.

Other's have had problems on some high-definition TV sets when using these HD Link adapters (Xbox-to-HDMI adapters by Pound Technology, Hyperkin or clones of them) showing a blank screen every few seconds.  Not sure if it was only while displaying 480i/480p or 720p and 1080i as well.

 

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Well, i tried every ports, and the results where te same unfortunetly. 

The HDMI 1& 2 ports are made for enhanced signals, like 60hz at 4k and all, the hdmi 1 doesn't have 60hz at 4k, but i think it's the only difference.

Indeed a lot of people complaining about the flickering and blank screen stuffs, but none of them where mentioning if the problem came at 480i/p, 720p or 1080i.

I'm wondering if that could come from a conflict with the 4/3 ratio aspect provided by the xbox (and upscaled by thoses cables?), most of the recents Sony TV have the ability to force the 4/3 to widescreen, i turned off all screen ratio options and factory reset the tv for try, but nothing changed.

I also wanted to change all the capacitors, apparently it could help, but in my case i don't see the point since that everything is working fine on another tv

There's gotta be something wrong about this 4k tv...

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