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General discussion

Samsung HL56A650 Audio

by bcroller36 Dec 25, 2008 10:28AM PST

I have the above mentioned TV and tried to hook up an optical audio cable to my audio receiver, it did not work. I think personally it is my receiver. Anyway on to my question, what type of sound (i.e. 5.1, 2 channel) does the TV set put out through the optical cable? I think I read in the manual that it only puts out 2 channel sound, but I might have misread that.
Thanks for the time.

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3 Posts
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2.0 for inputs, 5.1 for tuner
by Samsung_HD_Tech Samsung staff Dec 25, 2008 10:40AM PST

bcroller36,

The output for that is 5.1, and that's for decoding from the tuner.

If you have a cable box/Blu-Ray/PS3/Xbox, I suggest you run the optical audio directly from that perhipheral to your receiver to get the benefit of surround sound directly.

Happy Holidays!

--HDTech

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Thanks for the reply, but....
by bcroller36 Dec 25, 2008 1:32PM PST

I have tried that before and this particular TV has a sound delay when hooked up the way you have suggested. The Sound out of the receiver comes out first and the lip sync is off. This is a common problem with these TV's as my research has found. There are ways to fix it but one is expensive (buying a delay device of some kind for the receiver) and the other is to run the TV in "Game" mode (which speeds up the processing of the signal) all the time which is taxing on the TV itself from what I understand.
As long as it comes out in 5.1 I am happy.

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If Game Mode works.....
by Samsung_HD_Tech Samsung staff Dec 26, 2008 1:47AM PST

If Game Mode works, go for it.

It's not taxing the television at all; essentially, it turns off some of the television's processing and allows a more direct signal to bypass any delay such as this.

If the sound is coming out first, it seems to me that the sync issue may be a source issue. If you have a cable/sat box, there are usually adjustments (or replacements) available. It might be worth a try.

--HDTech

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