Red / blurry noise on Beovision Avant 55 picture

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agenten0075 Posted: Mon, Nov 25 2019 11:12 AM

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Hi guys.

My Beovision Avant 55 has started making som strange red noise. This is noticeable in both the menus on the TV, but also via all HDMI ports.

The noise in the menu is always there, but the red noise in input via the HDMI ports are only viewable in resolutions LOWER than 4k - this is strange?

I have tried new HDMI cables all-around, and I have reattached all cables, powering off the TV for 5 minutes, and reset picture settings to default - nothing works.

• PC connected to HDMI3: Red noise using lower resolutions than 3840x2160 (4k) - this is fairly OK since I have a solution for this by using the 4k resolution.
• Cable box fra YouSee: It's a 4K box so no problem here (HDMI1)
• Chromecast on HDMI2 (not the Ultra version) - this is very red and noisy - it seems like every green and green items in the picure/movie gets blurry and noisy.

Anyone knows that this is and what the solution is?

Examples. First some Netflix content:

...and here an example of the general TV menus (this shows the noise in the red and green squares (i have marked them with the yellow circle.