Sony STR-DG710 center speaker makes no sound. Connections are good.

Make certain you are using the right connection cables first off. Then check the settings on both the TV and Sony. For example it has to send bitstream signals to get Dolby on your receiver . PC signals will not work.

Sony STR-K840P Sound center speaker - Questions - Fixya

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... sound from center channel during viewing, or during speaker level test- all other speakers emit tone, but center is dead. I have optical digital cable and hdmi ...

Sony STR-K840P Sound center channel - Questions - Fixya

www.fixya.com > ... > Sony > Sony STR-K840P

... sound from center channel during viewing, or during speaker level test- all other speakers emit tone, but center is dead. I have optical digital cable and hdmi ...

Sony STR-DB940 pulled back from the brink - Page 2 - Badcaps ...

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Check the cable and check the speaker with a multimeter.

as per your request : Sony 988509047 Remote Control

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As per your request : Sony 988509047 Remote Control

http://www.partstore.com/Part/Sony/Sony/STRDG710/Sony/Sony/988509047/New.aspx

Check power transformer for open primary. This common failure of this set.

This sounds like a very poor connection. Please make a new splice on speaker and receiver. This should take care of this for you.

control panel and change your devices in your audio

Some sound fields have reverberant effects that need adjusting so the levels become audible, such as in "stadium" mode. While playing one of these sound fields, navigate through the speaker setup menu and make adjustments to the "effects" percentage, and levels. Be aware however, that only in 4 channel stereo mode will your surround speakers produce sound 100% of the time. Also, in any form of Dolby Pro Logic mode you will hear more sound from the surround speakers originating from stereo source material than from monoaural material...example, a television station broadcast in stereo versus mono.

if you confirmed all connection repeat your speaker setup.