Question about Flat Panel Televisions

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No sound. I turned the TV on and there is no sound. I tried to change the sound modes on the menu but nothing helped. I noticed that you suggested to someone else to check the sound IC. I am assuming you mean integrated circuit...how is the average Jane supposed to know how to do that? This TV is a real piece. We have already had to have the power supply??? whatever replaced because it wouldn't turn on at all a couple of months after we got it. Please help!

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  • Barbara_Scha May 02, 2009

    Went away on vacation. Came back and no sound on tv.  No sound from tv or from stereo receiver that it is connected to.  

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What is the model number or the chassis number?

Posted on Nov 10, 2008

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While watching a dvd on the Q2035a I was using a seperate dvd player and I use a universal remote for both the dvd player and Q2035a. I began to adjust settings for the dvd player using the univ. remote....


Hello, It sounds like when you pressed the remote you inadvertently changed the scan on the ctv. This can cause the ctv ( colour tv ) to change from say ntsc to pal or similar. Even a reset button wouldnt help as it sounds like it is within the setup menu. You could try, as I have done this myself with a similar problem, disconnecting your dvd and putting it aside. Then, pressing the remote when in tv mode and watch for any change in screen flicker etc. If you have the original remote for ctv use that. If as you say, the tv goes to standby mode, you may have damaged the power supply, as the power supply will shut down to standby at any sign of a short.

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Try to reset tv by unluging it first ,if that does nothing turn off tv press and hold down the input button in the front then press and release the pwr button the service menu should appear. also tv can't be in the HDMI mode. DON'Tpush any more buttons and unplug the tv if that don"t work there is a problem in the video circuitry with the character generator.

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1 Answer

Invalid format message when trying to use the RGB(PC) port


Honestly, that sounds like one of two things happened. Either the resolution of your computer video card changed or (I'm not sure with your specific TV) the TV's resolution changed.
If through the TV menus you can adjust PC resolution, I would try changing the resolutions. In the LG 47LB5DF TV, press Menu, then go to Picture, then go down to Screen. On the screen menu, you will see Resolution, Position, Size, Phase, and Reset. First try adjusting the Resolution to some of the options you see. If that doesn't work, try to reset the screen settings.
If adjusting those settings on your TV does not help, then you will have to change the resolution through the computer. Try connecting a monitor to the computer. If you get a picture through the monitor, on the desktop right click and select Properties. If using XP go to the setting tab, if using Vista/7, select Display Settings. Lower the resolution to something you think the TV will be able to handle, then connect the PC to the TV again. If you are using an HDMI connection to the TV, you may have to turn off the computer, connect the cable, then turn the computer back on with the TV on the correct input.
If the monitor doesn't show the picture or if you don't have another monitor, you can try adjusting the picture in safe mode, by pressing F8 after you press the power button, before you see the Windows loading screen. Press if multiple times if necessary. You should see a screen that gives you a few startup options. Select Safe Mode. After Windows boots up, you should still see the screen as the resolution would have been reduced. From there try changing your display settings.
Hopefully that info has helped. I noticed that you asked this question 2yrs ago, so I hope you have already figured out how to fix your problem. I simply wished to post this in case it would help you or anyone else had a similar problem. Good luck and take care.

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This made my humming sound go away completely;


From JD at oncorpus.com [manufacturer of the 32LB30Q]


Please follow these instructions, should fix the hum issue:

1. Turn tv on
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3. Turn volume to zero
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5. A menu will appear on left side
6. Arrow down to backlight and with right arrow key move number from 81 to 83, press menu button twice,
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John

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1 Answer

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