LG TV Model No. 50LN5100 -UB .BUSYLMR TURNS ON FLASHES BUT NO PICTURE
SOURCE: I have an LG Tv.
You most likely have a Backlight issue with this TV set. Could be the inverter circuits for the backlights. The inverter is the power supply source for the Backlights. there could also be a screen driver problem. This would entail changing the entire board. You should call in an authorized LG repair center to check this set out for you. Good Luck and please let us know what you found out about this TV set.
sounds like infrared sensor inside the TV is faulty Contact any service technician to replace it.
Check the infrared light emission from all of the remote control you have tried. If the remote control do not emit the infrared emission, the set cannot respond it. Check it with fresh batteries. Check it by pressing all the keys. You can detect the presence of infra-red emission from the remote control, using a cell-phone camera. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it. Surf the site with patience.
http://remotesearch.blogspot.com/
Search the site by type in this key phrase " how to test a remote control " in its search box at the top right of the display window to get the related post quickly.
SOURCE: need to be shown the steps to set tv code for a lg tv
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. It has set-up code list & set-up procedure to many popular brand remote controls. One among it 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. 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://electro-medical.blogspot.com/
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.
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