Question about LG 47LG50 47 in. LCD HDTV

2 Answers

Neither of my remotes (1 came with the television when I bought it and the other is a remote for my cable box that is programmed for the TV too) are working on my 47LG50 television But the remotes have new batteries and I have tried resetting the television by unplugging it for 10 minutes .

Posted by Anonymous on

  • Anonymous Aug 20, 2011

    The cable remote is working on the cable box. The buttons on the TV itself are working to control the television. I verified the infrared light is working on both remotes and I cleaned them as well. The remotes are still not working the television which was the original problem.

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2 Answers

Chi Chu

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  • LG Master
  • 8,457 Answers

Tries take both remotes controls pushes all the funsctions butons one by one on the front of a turn on Digital Camera,see if u will able to see all the INFER RED signal white light will flashing on the Digital Camera viewing screen.To make sure both the remotes are working and all the buttons are have INFER RED light signal out.Tries pushes all the tv manual buttons on the tv side too see if it is funsctioning too.If all these work testing work,than take some rubbing alchahol put on a rag clean the INFER RED sensors signals on the tv an the cable box by the tv power light LED indications lights.Tries these steps,make sure tv manual control tv side panel work and both remotes works and clean both INFER RED sensors on cable box and tv make it work better.Unplug the cable box for an hour for it to reboot and updating it softwares.Replug the cable box and now tries the tv remote or cable remote again,should functions now.

Posted on Aug 20, 2011

Testimonial: "Totally rocked - I couldn't find the answer anywhere else online and I got the information right here after a few questions and a little digging."

  • 2 more comments 
  • Chi Chu Aug 23, 2011

    Check the back of the tv have any ear phone socket? Yes take ear phone plug jack plug it into the ear phone socket.Plug it in and take out of the ear phone socket plug a couple time it will help the remote to work again,because this ear phone socket mini circuit they're link to the remote to finsction too.

  • Anonymous Aug 24, 2011

    That was perfect! Thank you so much... it's working great now. I really appreciate the feedback, chu3505.

  • Chi Chu Aug 24, 2011

    vote four thumbs for a rating helping u solve the problems.

  • grandmasterc Aug 29, 2011

    I had the same problem with my LG plasma 42inch tv and solved it thanks to your advice. Thank u very much.

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Bud Martin

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  • Master
  • 11,361 Answers

Please read here (look at number 2):
http://www.fixya.com/support/r9057406-lg_lcd_tv_remote_problem


Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/

Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Posted on Aug 22, 2011

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