Question about Televison & Video
You must do a simple test to determine the origin of the problem: put the volume to the maximum and listen to the speakers.
If you can't raise the volume or it appears muted whatever keys you pres then the control processor of the tv is damaged. Since you will have to replace the entire mainboard to fix it and that would cost more than a new tv it means that the tv is dead , replace it.
If you can raise the volume but nothing gets heard then the audio amplifier chip from inside the pc has failed and must be replaced. This is a relatively complicated job for a repair shop - it will cost you roughly $100.
If you can raise the volume and a buzzing sound is heard it means that the AV switcher chip (its Audio part more precisely) has failed and you will have to replace it at a cost of about $120.
Posted on Dec 29, 2010
I believe the TV is under warranty and even if it isn't, i would suggest you return the TV and replace it another. This time, test the TV before leaving the store.
I believe the TV is having a factory problem. It seems as if the sound IC/card of the TV is defective and that's why there is no sound coming out of the TV. You have done well by testing the headphone. As long as sound does not come out from the headphone jack, it means the problem is from the internal part of the TV and the sound IC is the right area to suspect.
If you open the TV's back cover, you warranty will be void and they won't receive the TV back from you. So take the TV back like that.
It doesn't pay if you have to spend extra cash fixing this TV which is suppose to be brand new.
Compliments of the Season!
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
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