How to reset

Try doing a Factory Reset on it.

https://www.google.com/search?q=JVC+TV+is+stuck+in+stereo+mode

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How exactly did u preform the hard reset ??? U do know that u need to remove both the batteries and remove power to your heater (its connected too) for like one minute or more to properly preform a hard reset >

You have to do a hard reset its not seing your sim card ask me how if you don't know how

go to settings and look for reset to factory!!!

ok, all sony sets for the last 20 years or so have had a reset feature that ought to clear this up:

Set turned off and using Sony original remote:

Display, 5, volume up, power-----listen carefully this should take you to the tech menu.

hit 8 and reset should appear on the screen in red

hit enter and the reset should turn to green and set shut off.

Turn back on and see if it cured the issue or not.

Try changing the input device to something you are sure, works such as a DVD player.

Switch off TV manually, switch off power, remove plug and retry after 48 hours.

If problem persists, please refer it to a qualified service technician.

Download the user manual to your set, and refer it. It will have details. Click here to download it.

press the set up button on the remote...the word "set up" should appear on the unit. then press and hold the stop button for 5 seconds...problem solved.

try this: get a headset connect it then disconnect it go to settings - profiles - and select another profile. If it doesnt work try to restore factory settings if you dont know the sercurity code it should be 12345 by default
NB: pls vote

take your set to tech to repaired you set is having a memory problem that you cannot solve.good luck.greetings from belize.