Question about Sony DAV-C770 System
This might be worth checking out...the headphone jack contacts can get sprung, and not switch the sound back to the speaker circuits. Sometimes they can be sprayed with electrical contact cleaner, and sometimes they can be resprung to make contact. Since you had the unit worked on, its possible that a ribbon cable or other wire was left disconnected. I would take it back and have the folks that worked on it check it out real quick. Chances are that something is not connected, or the software could need to be reset.
Good luck, and hope this helps.
Posted on Aug 31, 2010
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Posted on Jan 02, 2017
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