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Apple TV 4k & Beovision 7-40

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Fabianf
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Fabianf posted on Sun, May 9 2021 5:18 PM

Hello!

Today I thought I could upgrade from a ATV 3rd.gen to an ATV 4k. For years I have used an ATV 3.gen connected to my BV7-40, with no problems what so ever.

I thought that upgrading my ATV to a new generation would be as easy as swapping the mains and HDMI-plug and adding an audio extractor in-between.

Unfortunately it isn't going that well. 

There is no video (or audio) coming from the new ATV. I tried to connect it directly into the Beovision, without the extractor, but that didn't help a thing.

If I plug the ATV 3rd. gen back there is video right a way, but when I swap to the new one it is all blank...

I tried the "Menu + volume down" but no success. 

The guy I bought the ATV from says he disconnected it just before I bought it, so I assume the output is working.

Is there something I'm not doing right?

 

Kind regards and thanks in advance for helping!

 

-Fabian-

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beoaus
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Answered (Verified) beoaus replied on Thu, May 13 2021 11:19 AM
Verified by Fabianf

Hello,

May already be known.

The BV7 MKII will only handle 720P, nor will will it auto-negotiate video resolutions. So I connected the new ATV to a computer monitor and set it to 720P fixed. Make sure the BV7 is set to 720p.

Then the ATV can be connected to a BV7 MKII via a HDMI or a DVI to HDMI converter. Once you see the screen, it's somewhat simpler.

I used a cheap audio converter and the same Apple PUC used for the ATV Gen3. All worked well.

Hope some of this is still useful.

Cheers, Beoaus.

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Fansastic
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Did you try a fabric reset on the ATV4? There should be a small reset button on the back

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Millemissen
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Since you write about an ‘audio extractor’, I may suppose that your BV7-40 is a pre-MK3 version (without HDMI).

Orherweise why would you want to use an audio extractor?

Seems that there are some HDCP issues going on due to a not compatible extractor - you might need another/newer one.

However, first try another HDMI cable.......just in case.

MM

There is a tv - and there is a BV.

Fabianf
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Hi, and thanks for the quick replies!

 

Didn't find a reset button om the ATV 4k, but after reading extensively my suspicion lies in the audio extractor. The HDCP is probably not compatible with Apple's.

Tomorrow I will call the B&O center here in town. Hopefully they have an audio extractor with the right HDCP.

 

Kind regards,

Fabian

Carolpa
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You need a rescaler. The BV7 can’t handle the output of the ATV.
Guy
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Guy replied on Tue, May 11 2021 10:10 AM

Carolpa:
You need a rescaler. The BV7 can’t handle the output of the ATV.

So unlike the ATV4 HD, when using the 'MENU DOWN' function will the ATV4k not cycle through a resolution that is compatible with the BV7's accepted resolutions?  Might there be other ATV4k video options (eg disabling HDR) that can be switched off or reset to get it to work?

Given that the ATV was second hand, I think that I'd be testing it with a more modern non-B&O TV in the first instance, and then playing around with hdmi/DVI cables and audio extractors.

Furthermore I would be surprised if a B&O store will suggest a device that strips hdcp - it's not really in the spirit of the copyright protecting technology!  They'd be far more likely to try to sell you a newer TV.

Fabianf
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As far as I know (https://www.howtogeek.com/721716/how-to-change-the-display-resolution-on-apple-tv/) the ATV 5th gen. supports 720p 50hz, which is the resolution the 3rd gen ATV produced and showed without problems. But getting to that resolution with "menu - down" didn't work at all. 

When I tried that with the 3rd gen. the white light started blinking, and new resolutions were shown. With the 5th gen. there is no reaction what so ever.

The local B&O shop referred me to another B&O shop in a bigger town. They specialize in older models as well and recommended me this one: https://www.kanex.com/hdmi-optical-audio 

 

The problem is that I don't have another TV at hand, so I think I have to try the adapter route...

Any thoughts on the suggested adapter?

 

-Fabian-

Guy
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Guy replied on Tue, May 11 2021 5:21 PM

Fabianf:
Any thoughts on the suggested adapter?

I have used these successfully with ATV4 HD connected to BV6-26 and BC6-23, and they do remove the hdcp: https://www.amazon.co.uk/aoeyoo%C2%AE-Analog-Converter-Digital-Extractor-White/dp/B00NAJ4UM2

Hence I just feed the analogue audio into my BV6.  The one that was recommended to you by B&O extracts a digital audio signal, if that's what you require (but I am not sure that the BV7 has a 3.5mm or Optical digital audio input?)

EDIT: Maybe take the ATV to the B&O shop so that they can check that it works!

Guy
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Guy replied on Tue, May 11 2021 5:35 PM

Further thoughts/questions:

- Can you confirm the type number of your TV?  

- In the TV's 'connections' menu, under each input (AV1 thru 4) do you see an 'HDTV' sub-menu? If so, can you change it to show DVI-I? 

- How exactly were you connecting the ATV3 to your TV? hdmi to DVI-I?  And how did you connect the audio?

Fabianf
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The type number of my BV7 is: 9361. A Mark2 if I understand correctly?

The ATV3 was connected via a hdmi --> DVI-I input and the audio came from the optical port, via a converter to the two jack connectors associated with the AV4 port.

In the connections menu the modus for AV4 is set to DVI-I.

 

Guy
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Guy replied on Tue, May 11 2021 8:32 PM

Fabianf:

The type number of my BV7 is: 9361. A Mark2 if I understand correctly?

The ATV3 was connected via a hdmi --> DVI-I input and the audio came from the optical port, via a converter to the two jack connectors associated with the AV4 port.

In the connections menu the modus for AV4 is set to DVI-I.

Thanks - that all makes sense.  In that case if you are happy that the ATV4k and all associated leads are working, it may well be worth trying the audio extractor that I linked to above, and connect its analogue L&R outputs straight into the two AV4 jack connectors.

Fabianf
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That for helping! 

If I understand you correctly I can drop the optical audio part of the setup, and go for a cheaper HDMI extractor?

The one you linked to is currently not available, and an other small problem with Amazon is that not all of the vendors ship to Norway...

There are some webshops in Norway which sell HDMI extractors, are there some pointers to see which one works with the ATV 4K?

Fabianf
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That for helping! 

If I understand you correctly I can drop the optical audio part of the setup, and go for a cheaper HDMI extractor?

The one you linked to is currently not available, and an other small problem with Amazon is that not all of the vendors ship to Norway...

There are some webshops in Norway which sell HDMI extractors, are there some pointers to see which one works with the ATV 4K?

Fabianf
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That for helping! 

If I understand you correctly I can drop the optical audio part of the setup, and go for a cheaper HDMI extractor?

The one you linked to is currently not available, and an other small problem with Amazon is that not all of the vendors ship to Norway...

There are some webshops in Norway which sell HDMI extractors, are there some pointers to see which one works with the ATV 4K?

Guy
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Guy replied on Tue, May 11 2021 9:12 PM

Yes drop the optical part as it is no longer needed in your setup, as long as you use an audio extractor with analogue outputs. 

Sorry can’t help with other ATV4k extractor recommendations - there may need to be some trial and error involved!

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