When I turn on my LG HD TV, it says "No Signal" from EITHER of my HDMI inputs. I wait a couple minutes, then turn the TV off, and on again, and it has signal, but NO sound. I wait a couple more minutes, and turn the TV off, and on again, and it works fine...what's wrong?
SOURCE: LG TV
There is probably a bad capacitor on the power board, I had the same thing happen to my 42LB1DR after 2 years. T.V. would turn on and white power light would blink, no pictue and no sound. If your'e a diy'er, it is not that hard of a fix. Take all the covers off of the back of the tv(UNPLUGGED!!!), then look at all the capacitors on the power board.
These are the capacitors, look to see if any of them appear to have a bump on the top of them. They are supposed to be flat, you can also tell if one of them has gone bad if there is an oily substance on the metal cover that was removed. If one of them is in question, carefully remove the board, and take it to an electronics store to have them sotter ?sp on a new capacitor. It ended up costing me around $40.00 to have this done. Good luck and if you are not comfortable trying this, than take it to a repair shop, but I was quoted around $450 to take the T.V. in. No Thanks
SOURCE: "No signal" sign on TV screen using HDMI selector
it sounds like a refresh issue, double check you selector and make sure it fits the refresh of the tv. i had this once with a sharp where the tv was 120hz and the selector was 60 and it created a no signal and when it did come in it was jumpy. if you have a 120 tv then selector should be the same.
SOURCE: LG LCD HDTV 'NO SIGNAL'
To fix the problem, try turning off the TV and unplugging it from the outlet. Once unplugged, push the power button and hold it down for 1 minute. Then turn the TV back on and rescan for channels.
If the problem persists, contact LG customer service immediately as there is a problem with the memory card. The device is unable to retain scanned channels for immediate feedback.
All LG LCD automatically comes with a 1 year manufacturing warranty. You would have to provide proof of purchase to show when it was purchased. Hope this helps. The Guru
LG customer service: http://www.lg.com/us/support/index.jsp
SOURCE: LG 37LC2D HDMI no signal (picture or sound) + crackling on audio
i have the same problem. i think they just get old, i solved the audio problem by taking the cove off the back and disconnecting the speakers, i now just use PC speakers, works grand. i haven't solved the HDMI problem yet..
SOURCE: LG 42LC2D-EC NO SOUND ON HDMI
Connecting PC with HDMI port 1 to watch NetFlicks. Wonderful picture. No sound from TV. Only get sound from PC. PC HDMI sound test works, but not able to hear movie?????
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