Strange thing going on with my AVR - AVS Forum
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post #1 of 2 Old 08-05-2012, 08:40 PM - Thread Starter
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I've ran into a weird situation with my AVR that I've never seen before and can't explain. I have my PC, my Apple TV, my Blu-ray player, and my AT&T U-Verse set top box hooked into my Onkyo TR-TX1009 (latest firmware installed) - all via HDMI. I unplugged the power of my U-Verse box from the back of it (because I had to reset the unit) and the video of all the other connected units turned off!

I made sure the other units were powered on, connected, and the AVR switched to any of them. Nothing. I tried powering everything off and restarting everything. Nothing.

It gets stranger. When I reconnected the power of my set top box, the video of all the other devices switched back on! When I disconnected the power again from the set top box, the video of every device blacked out again. I switched to the Apple TV, verified it was turned on, plugged the power back into the U-Verse box and the Apple TV video turned on. I unplugged the set top box power and the Apple TV video blacked out. The power light on the Apple TV indicated it was on.

I repeated the above tests with my other devices. Same results. I totally disconnected the U-verse box and the video stayed black for the other devices. I tried disconnecting the power for everything and reconnecting everything. All my devices now depend on the U-verse set top to be powered on and connected now.

How the heck is the U-verse receiver controlling my other devices? What can I do release that control?
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post #2 of 2 Old 08-05-2012, 11:32 PM
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Can you bypass the AVR and drive the display directly with some of the sources that don't work without the AT&T box? Also, can you hook up any of them using analog (e.g. component) video connection to the AVR and see if they work? Trying to see if this is an HDCP problem.

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