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Apple TV 4k & Beovision 7-40

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Fabianf
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Fabianf Posted: 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-

Fansastic
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Fansastic replied on Mon, May 10 2021 6:53 PM
Did you try a fabric reset on the ATV4? There should be a small reset button on the back

BV Harmony 65 / Eclipse 55 / BL 50 / 19 / 18 / BS 2 all brass

BV Horizon 48 / V1 40 / BL 17 / Beoplay S3 all black

V1 / BL 3 / BS Essence MKII / Beoplay A3 all white

BS Moment / BS 3000 / BS 3200 / BL 400 all silver

Headphones / bluetooth speakers / BLC NL-ML / BLGateway

I know…B&O virus has grown on me ! 

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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Fabianf replied on Mon, May 10 2021 9:07 PM

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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Carolpa replied on Tue, May 11 2021 7:53 AM
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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Fabianf replied on Tue, May 11 2021 4:21 PM

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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Fabianf replied on Tue, May 11 2021 8:22 PM

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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Fabianf replied on Tue, May 11 2021 9:01 PM

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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Fabianf replied on Tue, May 11 2021 9:01 PM

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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Fabianf replied on Tue, May 11 2021 9:01 PM

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!

Fabianf
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Fabianf replied on Tue, May 11 2021 9:18 PM

I will drop the optical part and opt for an analog output on the extractor.

I will prepare myself for some trial and error in finding the right audio extractor. When I'm succesfull I will put up a link for future references Smile

Fabianf
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Fabianf replied on Wed, May 12 2021 10:30 PM

One down, more to go :)

Just tried a new audio extractor without success. Bought one from an all electric store. Neither video og sound on the ATV 5th. gen, and interesting enough only sound with the ATV 3rd gen.

Tried all the cables involved directly from 3rd. gen. into Beovision, with crisp and clear video. As soon as I put the audio extractor in between the video disappeared.

Maybe I should opt for the one the B&O shop recommended.

I find it strange though that there is such a big difference in between audio extractors...

What could be the answer to that?

beoaus
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beoaus replied on Thu, May 13 2021 11:19 AM

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.

Fabianf
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Fabianf replied on Thu, May 13 2021 2:26 PM

Hi!

 

I knew about the 720p limitations, but the "non auto-negotiable" part may explain a bit.

The BV7 is "set" to 720p via Connections --> DVI-I so that should be good. I can use a computer monitor at work to set the ATV in the right resolution.

Nice to try something that doesn't involve buying a new mass produced electronics gadget :)

Thanks!

-Fabian-

Fabianf
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Fabianf replied on Thu, May 13 2021 7:56 PM

Since all the shops are closed today, and ordering something from a web store takes some time, I went to my work and connected the ATV to a 4k screen, just to be sure.

The ATV is working, and I could set the resolution to 720p 60Hz.

When I came back home I connected the ATV directly to the BV7 and it worked! When I connected the audio extractor the screen went black, checked the HDMI cables, and I had one which didn't like the signal from the new ATV, so I changed that one, and now its working like a charm.

 

Thank you all for chipping in answers and reflections!

 

cheers, Fabian

Guy
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Guy replied on Thu, May 13 2021 8:58 PM

Great news - and thanks for letting us know that it worked!

I have just been 'playing' with an ATV4 HD and a recently acquired BC6-26.  I had similar blank screen problems, but after swapping lots of hdmi cables and connectors it suddenly worked.  Trying to get old and new equipment working together can be a bit 'hit and miss', but it's very satisfying when it works!

(EDIT: My resolution settings that worked for BC6 were 720p 50Hz RGB High)

 

 

Fabianf
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Fabianf replied on Sat, May 15 2021 2:39 PM

Getting older equipment to work is not always easy, but always satisfying :)

It is a nice reminder that you don't have to join the rat race for higher resolution.

I'm quite happy with 720p and if the ATV 3rd. gen wasn't losing all the useful apps I would never have upgraded.

 

Thanks again for helping :)

 

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