20 Most Recent LG 42LG50 42 in. LCD HDTV Questions & Answers


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LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...

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LG 42LG50 42 in.... | Answered on Dec 24, 2017


Set-up (Programming) procedure is too much to type in here, and is not practical and it will differ brand-to-brand remote controls. If you wish to get more; check the sites linked here. The site has set-up code list & set-up procedure to many popular brand remote controls. The site has general set-up codes to check with TVs and other devices are given, in the order of the 'device's brand name list' in alphabetical order. Set-up code list to many brand remote controls also is given. Pull up older posts. Search the sites by type in the brand name to your device in its search box at the top right part of the display window. It will help you to find the document easily.
http://homenol.blogspot.com/
http://remotesearch.blogspot.com/
http://electronicshelponline.blogspot.com/
http://electrohelponline.blogspot.com/
Programming Notes
• If your device does not respond to the remote after trying all codes listed or your brand is not listed in the code list, use the Auto Code Search method to program your remote.
• Sometimes the first code that "works" with your device may operate only a few functions of your device. There may be another code in the code list that performs more functions. Try other codes from the code list for more functionality.
This is a trial and error procedure; and quiet time consuming. You might have to check different codes said for your device.
Search the site by type in the "brand name" to your device; to which you want set-up codes; in the "Search box at the top right of the display window" to get gathered related posts.
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LG 42LG50 42 in.... | Answered on Sep 23, 2017


I would contact the store you purchased it from,,,explain the issue and go from there...

LG 42LG50 42 in.... | Answered on Sep 20, 2017


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

LG 42LG50 42 in.... | Answered on Jun 06, 2017


Check the Vidoe
LCD TV Repair Tutorial Con Board Common Symptoms Solutions How to Replace...

If you wish to get some details; visit the site linked here. Pull up older posts. http://electro-medical.blogspot.com/

LG 42LG50 42 in.... | Answered on Jan 10, 2017


most likely there is a bulged capacitor on the power supply, just have to replace it.

LG 42LG50 42 in.... | Answered on Sep 14, 2016


How to repair or replace power supply LG 42LG50 UG 42 LCD TV See all the raised arrows on the back pointing to a sceww? Take all of them out.

LG 42LG50 42 in.... | Answered on Sep 12, 2016


If you have internet access you might try the following MFG web site for this model. The free manual offers several methods at obtaining full use of your LCD HDTV. Product Support

http://www.lg.com/us/support-product/lg-42LG50

LG 42LG50 42 in.... | Answered on Aug 30, 2016


The applicable code is in the remote.

LG 42LG50 42 in.... | Answered on Aug 13, 2016


  1. go to main menu -
  2. select display -
  3. select advanced at the bottom of this screen -
  4. in this menu you can turn on/off the trumotion demo.

LG 42LG50 42 in.... | Answered on May 22, 2016


It is usually indicates on manual..

if you don't have manual try to go to retrevo.com..

Usually the common size 1/2 inch wood screw..

LG 42LG50 42 in.... | Answered on May 14, 2016


The tcon board of the LCD panel is faulty. Can confirm by replacing the Tcon board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

LG 42LG50 42 in.... | Answered on Apr 10, 2016


Sounds like T'Con board fault. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Line faults to all LCD screen are similar, irrespective of its brand and screen size.

LG 42LG50 42 in.... | Answered on Feb 11, 2016


It's a radio

LG 42LG50 42 in.... | Answered on Dec 20, 2015


If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common set-up codes to check with TVs and other devices are given, in the order of the "device's brand name list" in alphabetical order. Pull up older posts.
Try to search with the brand and model number of the universal remote you have
http://electro-medical.blogspot.com/

LG 42LG50 42 in.... | Answered on Dec 08, 2015


check the input to it . we have no idea what you are using .an antenna ,a cable,box, a dvd player,,etc .

LG 42LG50 42 in.... | Answered on Nov 24, 2015


Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

LG 42LG50 42 in.... | Answered on Nov 12, 2015

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