We have a big 64 inch screen tv and one day the speakers to the tv stop operation. There is no sound coming from them. husband went and brought new speaker and there is still no shound. What is it that we need to do?
This doesn't sound like a TV Tuner PCI card. A PCI card is what goes into a computer and not TV. A TV Tuner PCI card will act like a TV and allow you to watch TV Air Channel on your computer.
Anyway, enough with the geek stuff. This seem to be a regular TV.
Simple trouble shooting:
1) Try the "Mute" button.
2) Try go into the speaker setting and see if the speaker been switch off. My stupid old Sony TV can switch off the speaker, don't ask me what the purpose for that function but it's under the menu.
3) Try turn up the volume to 1/4 of the way to max. (Max volume could cause problem to the amplifier inside the speaker and might cause problem to your ear too when it switch on)
4) Switch to the regular air channel see if you can hear anything. (Just make sure the media you are watching isn't input from something else like a VCR or the audio cable might not be plug in)
PS: O, the best fix is to get new TV. I know it's obvious but sometime this is better then getting the old 1 fix.
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First you check the speaker of your Daewoo Tv. To check the whether the speaker is good or damaged, place your year very close to the speaker side of your TV, and switch the TV by its front panel power switch, not by the remote control. If you can hear a "Thumb" sound from the speaker, as the TV is switched on, the speaker is good and you have to to further. If not speaker has got damaged and have to be replaced.
If your TV is provided with an earphone or headphone socket at its fron panel, insert a earphone or headphone pin into it and listen whether there is sound coming from it or not. If ther comes the sound, it doesnot comes to the speaker, means that the headphone or earphone socket is faulty. Replacing it will solve the problem.
If there is AV OUT from your TV, connect it to an amplifier or so to get the sound. If there is sound and no output from speaker, means the Audio Output IC inside your TV is faulty.
Just locate the audio output Ic, and replace it with same type and number. Audio Output IC can be easly located ans speaker wire goes to that section, and follow the speaker wire. locate it. If you need any more assistance, feel free to contact me through Fixya. OK.
The power source has failed - the sound is the source that autooscillates because even its protections have been damaged and are no longer capable of safely shut it down.
It's a big failure so call a repairman, ther's nothing more you can do.
My 37 inch vizio did the same thing. go to your menu screen on the tv and go sound. My tv has an option to turn speakers on/off. Once I turned my speakers off and the back on again everything worked great. hope I helped! if I did please let me know! youtube.com/xniax1
You can remove the screen, take the speaker cover off in the front you sould be able to see the screws that hold the screen on the bottom remove the screws and unplug the wire the goes to the screen fron the tv, you need two people one on each side just pop each side up about an inch and pull it off,
you need to borrow or rent from a repair shop a degaussing coil. Its a big coil of wire that plugs in and has a switch on it. How you use it? With the coil plugged in,but not switched on ,hold the coil in front center , about two inches fron the picture tube. Now switch on the coil and slowly rotate the coil in a circle all the way around the picture tube and at the same time pulling slowy away fron the front of the picture tube. Keep doing the circular motion till you reach about three feet from the front of the tube, turn the coil sideways fron the tube and quickly shut off the coil. This is done with the tv set on. The set should look clear now ,with no color blotches on the corners or the rest of the picture. If it dosent then the pictre tube is bad. If it does look good, shut off the tv set for a hour or so , turn back on the tv set, Is the colors back on the screen. Yes , then ther thermistor or degaussing circuit needs to be serviced, and this is something you will need to call in a tech to service for you cause theres extremly high voltage inside these sets and not for a handi-person to tinker with. But if its good then your all set. Good Luck