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No audio I've acquired an LG 42pz90c television. The video works and the external speakers work, but the audio from the TV does not work. I have tried every combination on external connections. Any suggestions.

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Go into the menu under the audio section, and make sure the speakers are turned on. You can also unplug the tv for 30 min, and try it then. Otherwise you will need to take it to a repair shop.

Posted on Nov 17, 2008

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I'm trying to connect these long black speakers to my tv and it's not working.


If you look in the menu on your TV there should be an audio selection for internal or external speakers. You have to set it to external before the audio jacks will work. Keep in mind that most TV only put out 5 to 10 watts which may not be enough to power these speakers properly. That's why most people buy an amplifier to go between the TV and external speakers.

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LG 42in LCD. All of sudden this weekend the sound goes off. I could have swore I saw the mute signal pop up then right back off the screen. My tv is connected to Uverse, a soundbar and an Xbox 360 and...


If it works with the 360 and speakers are on---disconnect power from the TV and the box for the uverse and after a wait power them back--its possible a glitch from box if used caused this.

Also if box has audio/video outputs connect from them to a rear input on the set to see what happens.

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Not familiar with this make of TV, but some TV's require you make a change to the audio menu from int. to ext. speakers. Do the internal speakers work and if they do, besides the menu change are you useing an external amp with your surround system?

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I have a Samsung LE40B650T2 - no sound direct from the TV


It sounds that the sound processing section [digital circuts] are working well, and the fault must be either to the speakers, settings or to analogue audio amplifier section. Make sure that the Mute function is OFF. If it is OFF, and still you do not get audio output by tV speakers, surely the fault must be to audio amplifier circuits, provided speakers are OK. If your TV has a headphone out socket, this socket should also checked for proper interconnection.

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Hi andy838,

I see that you LG LCD HDTV is giving you a No Signal message on the Screen.

see steps Below on finding out what will show video on your LCD HDTV.

* First make sure that the HDMI cable is connected to your Laptop to the HDTV LG.
* On your TV check your remote control and look for the input or Source Button, this will help you set your TV for the HDMI connection.
* Once set, turn your Laptop on and see if the HDTV will provide Video from the Laptop to your HDTV using HDMI.
* I believe that works right, now we have video still we need to set the Audio to work from you Laptop using HDMI to your HDTV.
* On your Laptop lower right side look for your speaker icon, right click on the speaker icon then select Playback Devices.
* Once you've selected Playback Devices you will see a window showing you a list of devices and the first one on the list will be you HDMI connection right click on it and select set as default device this will make your audio work on your HDMI to your TV.
* Once audio to HDMI is set and you want to go back to your Laptop just set the speakers as the default device this will set your speakers have the Audio working again on the Laptop.

I hope that this will help you regarding your concern.

Have a nice day,


mvincentc

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2 Answers

I want to connect external speakers to LG LD400 LCD TV . Please tell me the type of wire used to connect the same to LG LCD


You can use stantard audio cables or a optical audio cable either way you must have a reciever

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There is no volume on the tv, the volume bar goes all the way to 99 but there is no sound, i plugged in external speakers it worked but the tv volume is not working. How do i fix this problem?


Go into your Audio menu on the TV and make sure the TV speaker are set to “ON”.
If the external speakers work when connected to the TV and the TV’s internal speakers don’t work when you remove the external speaker’s plug from the TV, then you will need to replace the main board.
The main board has all the function for the audio for the internal speakers. This was a known issue for some of the LG TV’s. So if you call LG about this issue, LG may fix it under a warranty.
Good luck.

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LG tv sound quit - will it work if I add external speaker system


Maybe!! It depends on where the audio sys failed. If it failed at the output drive, then you can take the audio off at the audio output jack and input it to your stereo system where there is an audio input. You'll need a cable with RCA jacks on it for this.
If your system is muted for some reason, this may not work.

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1- check all the cables that are hooked up to the TV 2- try to get audio to and external speakers or home theater (to check the sound card). 3- if the step # 2 don't work either you have a bad sound board on your TV. 4- opn the TV try t get the part # of the board, and replace it

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1 Answer

LG 42'' TV has no sound but great picture. How do I get the sound?


You shouldn't need anything plugged into the accessory jacks to get local sound from your set. Go through the main setup menu and check audio settings; they may be set to turn off the internal speakers to send the sound to a home theatre that you apparently don't have. Most sets have that as a selection and supply L-R audio for an external system and mute the internal speakers.
FYI: The three connectors you mention are coded as follows:
Red - right channel audio White - left channel audio Yellow - composite video (contains synchronization signals and video)
These may be input connectors (for external VCR/DVD decks) so check your owner's guide to verify. 

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