Ok i have this issue that just started just a couple of days ago i have no audio from my speakers when i watch my off air hd channels or off air tv or i want to play my xbox in componet input or input 2 but i have no issue with my satlite using my hdmi input 1 or 2 i do have the service remote but it is limted i know there was a TSB on this issue i seam can not find it i bought this tv in july 06 d.o.b of the unit is 3/05 i do have the service manual but it does not help me i call lg there are sending me flash card to update but i don't know if that's going to help i also have had a hard time using the tera term pro software that is used to update threw the serial port on the back of the tv i went to lg tech supports web site a downloaded the updates i used a back door there site found out that there were lots of problems with this unit and that was for many reasons this was discontinue so qickly so if there anybody that can help me that would be great thank again
have had this problem several times i think this is a manufactures default. i am in the proccess of contacting the manufacture email me we can talk [email protected] please let anyone else who is having this problem contact me as well.
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some time it occur when any wire is broken or cutted under the safe coting
you can check it by pressing the wire from every where to check where is the broken part then bare that part and join the wire accurately use tape for safety purpose.
please like my post
if it is built into the motherboard you cannot change it wthout changing the motherboard.
I assume you are using Windows (prob Vista on machine age)
go to the control panel - sounds and run the test - sometimes that fixes sound issues
if not uninstall the driver and let windows find the hardware and re-install it.
Let me know if you are still having problems.
First of, be sure volume is turned all the way down before or as you are powering it it.
Second if that does not work disconnect all speaker, and input/outputs. Power the device on and see if it says overload.
If it does skip the rest of these steps, your capacitors are bad or the power supply is no longer functioning correctly.
If it doesnt, start with testing each speaker at power up. Match the speaker to the output it goes on, power the device see if it says it.
If it does on any speaker test it is a speaker issue or a terminal issue. To test for terminal or speaker issue plug a different/ known to work speaker in that same terminal, if it doesnt say overload it is a speaker issue, if it does say overload it is a terminal issue.
Once you have made sure all speakers and terminals work correctly start plugging input and outputs in and test individually.
Please check whether the device drivers for your Audio Hardware is installed or not. The process is
Start>Run>devmgmt.msc (type and click ok or press enter)
Now find your audio device and check whether drivers for the same are installed or not...
If the device shows mark of exclamation (!) or interrogation (?) beside it, please install drivers for it.
Try and pls reply.
Probaby the stereo decoder IC went bad or a supply voltage to it is too low or noisy. If it has audio output jacks on the back of the TV, connect it to an external amplifier and see what that sounds like. If it is ok in stereo or mono mode then the amplifier in the TV is bad. This will prove that the stereo decoder is ok.