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I have a Beam, Sub and two play 1s connected via Hdmi Arc to Sony KD49XF90. The system works perfectly every day until exactly 3 minutes after midnight, then switches to the internal TV speakers. I've seen a few similar posts in the forum but nothing about the time of day affecting the connection. I assume it's something to do with a setting somewhere, but after trying loads of different things, it still switches without fail. Any help would be appreciared.

Have you tried resetting your TV to the default settings? Just be sure you save any video or audio settings you have madeso you can reset them.

I think that's worked this time . Thanks GuitarSuperstar.

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