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1785 posts

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# 181144 4-Oct-2015 15:35
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My Onkyo amp recently developed the famous HDMI fault.
It was repaired but since then something is not right.

Before the fault I could change the volume of the amp using the volume control on the TV remote.
Not. Any. More.

I'm not sure if I've put something back in the wrong place or if the amp is still a bit broken?
I am getting sound out of the amp's speakers at least.

Let me try to describe how I've got it all connected.

Sony TV HDMI3 in - Onkyo amp HDMI out
Sony TV Optical out - Onkyo amp Opt2 in
MySky - Sony TV HDMI1 in

TV audio setting - use audio system (and it does)

The PS3 and FireTV are plugged into HDMI inputs on the amp.
I also cant change the volume on these devices using the TV remote, which I could before.

Any ideas?

Life is too short to remove USB safely.

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  # 1399712 4-Oct-2015 15:41
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It may be that when it got repaired, it was reset to factory settings and CEC is no longer enabled? On my TV I also have to have the AVR plugged into a certain HDMI port for CEC to work. 

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  # 1399713 4-Oct-2015 15:48
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HDMI Out on the Onkyo should go to the HMDI1 IN on the TV (this should be labelled ARC OR CEC)

everything else should be plugged into the Onkyo via HDMI (mine has 8 inputs)

No need for the Optical Cable as everything comes via the HDMI.

Make sure you have CEC (HDMI control) turned on on the Onkyo and the TV.

Make sure the TV is set to Dolby Audio Output


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  # 1399716 4-Oct-2015 16:02
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None of the TV's HDMI ports are labelled ARC or CEC, maybe because its a bit older.
Its a Sony KDL-46X4500. Its manual says to use the optical cable.
I'm pretty sure I've got everything plugged in the way it was.

The MySky is plugged straight into the TV. 
My previous Pioneer amp didnt have HDMI, and I never bothered moving the MySky to the Onkyo.
But I dont think this is the problem as the other HDMI devices have the same problem.
The Onkyo is a TXNR708.

PS I'm on cold and flu pills so brain is a bit fuzzy at the moment.
Please make allowances.

Life is too short to remove USB safely.

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  # 1399887 4-Oct-2015 22:17
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with the setup you describe in post #1 you will only be able to control the audio on the skybox using the tv remote.

to control all devices the ditch the optical out, then in both the tv and avr settings you have to enable HDMI-CEC.

HDMI-ARC is not relevant in the case you described, because you are using a skybox not the tv tuner.

HTPC / Home automation (home assistant) enthusiast.

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Uber Geek

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  # 1405119 13-Oct-2015 16:41
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Sometimes I hate technology.
After quadruple checking all the settings and all the cables I had the idea to connect up the newer Samsung TV from the dining room (it doesnt say CEC or ARC on its HDMI ports either but its worth a crack Nigel).
With this TV I could change the Onkyo volume via the TV remote.
Good news, at least my Onkyo is not wonkyo.
Bad news, my Sony TV might be.
Resigning myself to having to put up with the situation as I'm not replacing that TV any time soon, I put everything back the way it was.
And now I can change the Onkyo volume using the Sony TV remote.
Yay, but how infuriating!

Life is too short to remove USB safely.

216 posts

Master Geek

  # 1416968 30-Oct-2015 13:01
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Some TVS only do CEC on certain HDMI inputs. What does your manual say about that?

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