The remote control for our NEW LG flat screen 37LC7D tv is not working after only 3 days home from the store! It worked fine for the first 2 days, but now I must use the buttons on the side of the TV to power on, use the menu, adjust volume, etc. We had successfully programmed the Tivo remote to power the new LG tv, but that isn't working either. The green light on the tv will flash when I press a button on either remote, but nothing happens. Is our TV a lemon? Is the infared broken? I'm not sure what to do. I can't believe it's only been 3 days!
Turns out there is a problem with certain LG models made in Mexico during May. Not only did the remote stop working, but the TV started shutting itself on and off randomly. Took it back and exchanged it for a Panasonic. Not putting up with that, LG.
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You need to find out if the remote is puttimg out IR pulses or not using a digital camera, just point the remote at the camera lens, when you push any remote button, you should see flashing on the camera screen.
Are you using an HDMI cable from your cable box to the TV? I found that the sound greatly improved and volume control was better after switched to an HDMI cable. Originally I was using component cables that were supplied by the cable company. Note: I bought my HDMI cable on line for $10. I've seen the same cable in the store for $35.