digital audio out(optical) not working
I have the same problem with a PS50C7000YF
I seem to have the same problem connecting a Samsung PS50C7000 model T.V to an older Yamaha RX-V520 AV receiver.
No sound comes out of the AV receiver.
There is no light coming out of the Optical (Toslink) jack on the T.V.
I have checked the cables on another Optical source and they are fine, you can see the light coming out and they transmit a signal.
In other words, the cables work.
The receiver will take a signal from another source, so the AV receivers optical in ports work.
It is a compounded problem
There's a couple of variables.
I recently (February 2011)did a firmware upgrade via a download from Samsung.
I didn't turn the AV receiver on after doing the upgrade.
The next day, I moved the T.V and AV receiver to a new cabinet.
It worked fine before the upgrade and the move.
Not now, no sound is outputted from the T.V to the AV receiver.
I don't know if its the upgrade, the optical out port on the T.V or I'm just too stupid to work it out.
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