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Old 02-25-2014, 05:26 AM   #1
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Receiver Switches to TV Input After a Few Seconds - HDMI-CEC

If your receiver switches to TV Input (instead of staying on the input that the Tivo is connected to) after several seconds after turning your TV on, this is the explanation. The Tivo does not support HDMI-CEC. When a TV that supports HDMI-CEC does not detect that a HDMI-CEC compatible device is connected, it will tell a HDMI-CEC receiver to switch to TV Input.

You can disable HDMI-CEC. But that will also disable ARC. And you will have to add another cable to get audio from the TV to the receiver.

The best solution is for Tivo to implement enough of the HDMI-CEC spec to keep the TV from deciding to change the receiver's input.

There are other threads complaining about the lack of HDMI-CEC support in the Tivo. I am detailing a real world problem that this is causing. This is going to become more and more of an issue as people buy new TVs that support HDMI-CEC.

Here is another thread with further explanation and additional work arounds:
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Old 02-26-2014, 08:30 AM   #2
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CEC is a **** show in my experience. It's a "standard" in the sense that there are guidelines, but implementation from mfr to mfr can result in all sorts of wonky behavior - and that is where devices are CEC compliant. It gets even more annoying with devices like the TiVo which aren't.

Thank god for Logitech remotes.
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Old 02-26-2014, 08:33 AM   #3
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I had the same problem on my Denon/Samsung. I had to turn that functionality off on my TV.
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Old 03-10-2014, 07:17 PM   #4
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I am Denon / Samsung also. Maybe this is a "feature" when you mix these two brands... I wish someone made a little adapter to add CEC functions to a non-CEC device (and charged less than $50)
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Old 03-25-2014, 08:14 AM   #5
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Adapter? here you go:
Stefan Schaefer
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Old 06-09-2014, 12:08 PM   #6
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Knox -- This could be earth-shaking news!

Are you saying this thingy can make a TiVo box look like an HDMI 1.4 CEC device? Have you tried it?

Cheers! -Jay
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Old 06-12-2014, 07:48 AM   #7
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My Samsung did this also this week. Don't know why after having the roamio and tv for months. I went to TV menu and saw an unchecked box for a set top box. After checking box TV stopped changing to antenna . Weird ??
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