Question about Sony STR-DE545 Receiver

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STR-DE545 Receiver -

No sound when watching TV/Satellite. The receiver says "opt Unlock". Sound is great with all other components.

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  • Anonymous Feb 15, 2008

    I have no sound on TV/ SAT . It says opt unlock

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Turn the reciever off. Count to 9 slowly. Press the setup button and power on at the same time.let t run its demo. Turn the power off. count to 8 slowly. Turn the reciever back on. Porblem solved?

Posted on Aug 23, 2009

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I just turned my DVD player off when my STR-DE545 was still in DVD input mode and it came up LOCKED, maybe the input that you are using is not receiving a signal?

Posted on Feb 24, 2008

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1 Answer

Str-de545 sony not putting out sound to rear speakers


From page 46 (Troubleshooting)-

No sound or only a very low-level sound is heard from the rear speakers.

>>> Make sure the sound field function is on (press SOUND FIELD - MODE).

>>> Select a sound field containing the word "cinema" or "virtual" (see pages 28-30).

>>> Adjust the speaker volume (see page 19).

>>> Make sure the rear speaker size parameter is set to either SMALL or LARGE (see page 17).

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1 Answer

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I am not really familar with this receiver but almost all phonograph must go into a phono in. Due to the fact that a phonograph does not have whats called a pre amplifier. generally the receivers have a phono in and that input has an more sensitive amplifier cicuit in the input. That is why if you plug it in to something else unless it has a preamplifier the sound will be real soft. I think Radio Shack sells a amplifier you plug the Phonograph into one side and the other side into the receiver then you can use any input you choose.

Aug 28, 2006 | Sony STR-DE545 Receiver

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