How can I mute the headphone jack on an Insignia 22'' 1080p led HDTV 22E430A10?
The sound quality from internal speakers is poor so I want to add external speakers via the headphone jack with does not mute via ''mute'' button on remote control.
The remote control will mute the internal speakers but not anything plugged into the phone/headphone jack.
Must I open up the TV and make an external speaker/amplifier audio connection to the TV internal speaker connections? If I need to do this please suggest how to open up the TV to gain access to the internal speaker terminals.
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