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LPCM Mode on Sony STR-DH720 Receiver

post #1 of 6
Thread Starter 
Yesterday I bought a Sony STR-DH720 receiver. I have 5.1 surround set-up in my place and after hooking everything up, it sounded great. I had no issues with it until I turned on the TV this morning. I noticed the sound was "off" as the main sound that should only be coming out of the Center speaker was coming out of all 3 front speakers, the sound was louder than it should have been, and the display on the front of the receiver said "LPCM 48 Hz".

After I went into the GUI Menu, and came back to the TV, everything sounded better, and I noticed the display now read "Dolby Digital 5.1". This sound and display is what it was like last night after setting everything up, and how I want it to be permanently, but each time I turn off the receiver it turns back on in LPCM mode.

Does anyone know how I can make sure that the sound is always in Dolby Digital as this sounds the best and most true srround sound? I don't want to have to switch it back every time I turn on my receiver. Plus, I am not even sure how I changed it back b/c I didn't do anything in GUI mode before exiting and having the sound issues fixed.

Any help that can be provided would be grealy appreciated.

Thanks in advance.
post #2 of 6

Jason:

 

Welcome to the HTF!  welcome.gif

 

You've come to the right place to ask your question.  I'm sure someone with some experience on this issue will be by shortly with some advice and information (and probably some questions!  biggrin.gif ).

 

With a holiday weekend, responses might be a tad slower than usual...but I'm sure someone will be right along.

post #3 of 6
Any luck with fixing your problem? I too just set up a new room in the house with the Sony receiver, Samsung LED D7000 TV, Sony BluRay, and Motorolla cable box. Having same problems with the LPCM 48 showing up for no reason the next time I turn everything on.... Have read alot of posts on the web from others having same trouble. Have called a "professional" to come over next week to check everything out for me. Just want to be able to turn it on and enjoy without having to screw with everything multiple times to get it to work properly
post #4 of 6
I too have this same issue. I am also using this receiver with a Samsung un55d7000 TV. Each time I turn it on it goes to LPCM 48. When I go to the guide and exit it changes to Dolby Digital. How do I get it to start in Dolby digital? I am using the ARC.
post #5 of 6
Any luck with fixing your problem? need help!!!!
post #6 of 6
I spent over 2 hours on the phone with Sony technical support. They never heard of the issue, but we did narrow it down to the TV not communicating properly with the receiver. They claim they will call me back this week and are in the process of escalating the problem through their tech people. I don't have high hopes and think I might get a different receiver.
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