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I have a 37 inch sansui flat screen television model # HDLCD 3700. The sound just quit working; the picture is fine? Is thier any trouble shooting that can be done?

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Please unplug TV from AC wall socket for couple of minutes, replug back in and turn it On and check sound.
If problem still exist, check internal speakers are enable / ON in Menu.
If speakers are ON and yet no sound, then need to check sound at Audio Out jacks at back of TV, hook audio cable (white-red rca pins) in audio out jack in TV and receiver/ amplifier to get TV sound in receiver/ amplifier speakers. This is a test/ check and you can use it to get TV sound through receiver speakers.
And if still no sound in audio out jacks in TV then TV needs main board replacement. Check with local TV repair shop for that.
Thanks.

Posted on Nov 15, 2009

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