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check mute button, source knob/button, speaker selection knob/button while its playing a cd or FM radio. Also if you have connected headphones the speakers would mute. Check the speaker connections. If the speakers are powered you need to connect them to a power source. If all these fail to produce sound consult a technician.
Try system restore, if it fails, try to perform 32 bit dell diagnostics on the audio by booting the computer using the resource cd. make sure that the external speakers is disconnected. if still no sound on the diagnostics then you need to replace the internal speakers.
Theres a logic problem between the interface board and power supply. This is very common in Vizio's. There's a square wave start code that's not being generated properly form the processor to logic functions then power control. There's no 'read/write_code' available too ROM therefore power on/off commands are absent... this could also affect inverter control functions.
If its under warranty take it back, or have a local shop fix the tv for you.....
well it looks to me u need a new tv....all the details u give are pointing that ur picture tube is gone.....but call LG help and costumer line and ask them......u may get away from it to get a new tv make sure when u get a new plasma to extend ur warren tie to a max o 3 to 5 years and if this would happend u get it repaires for free.......cost for a new screen app 1000 to 1500 dollars
First of all make sure the audio out jacks on your freeview are securely plugged in and routed to the proper input jacks on your surround sound unit and the correct input source is selected on the sourround sound unit. If all is well with this you can test if the surrond sound unit is functioning properly buy turning the volume up half way on the unit. Unplug the right and left cables from your freview and leave the other ends plugged into your surround sound(with the volume up half way). Now touch the tip of the right side cable with your finger tip. the right speakers should hum. And then touch the tip of the left plug and the left speakers should hum. If you get no hum you either have the wrong input source selected on the surround device or the is a problem with it. If the surround sound device is functioning with another device properly, disconnect the cable from that device( ex.dvd,cable,vcr, ect,...) and connect those cables to the output on your freeview. If you still do not get sound, make sure the volume is not muted somehow on your freeview. As you have now connected a verified audio input to your surround sound directly to your freeview and made sure the freeview was not in anyway muted there is a problem with the audio out on your freeview. I hope this helped you solve your problem but if nor feel free to contact me before rating this solution and I will walk you through everything and make sure we get this problem isolated or ultimately fixed.
You can send me your number to my e-mail addresss which is my user name @gmail.com and I will call you free , I have skype and yahoo phone so it will only cost me pennies. I just want to make sure your problem gets fixed for you.
You most likly have the Data cable in one the other or both plugged into the wrong side, this just happened to me the other day with some Pioneer stuff and I had plugged the input outputs backwards. Everything came up as far as sources showing but now sound. That should fix you up Good luck