20 Most Recent LG 47LG50 47 in. LCD HDTV Questions & Answers


You need to use the RGB input port on the TV

LG 47LG50 47 in.... | Answered on May 01, 2017


Tries tv unplug,replug it back like about an hour.The tv now,will be resetting itself back to the factory setting.The tv now,should be working right again.Not, if it have the same problems,than the tv Tuner signal board have internal shorting problems.That the board,where the incomming broadcasting signal cable plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish tv Tuner signal board for the replacement.

LG 47LG50 47 in.... | Answered on Apr 12, 2017


Its pretty easy check your remocon for the button that writes
ratio press it continiouly until you find the 16:9 ratio
hope you get it right
George (ratio button usually is on top right of you remocon )

LG 47LG50 47 in.... | Answered on Sep 23, 2016


The mother board is faulty. You have to replace it.
If you wish to get some more details about flat panel television repair then check the following link
http://electro-medical.blogspot.com/

LG 47LG50 47 in.... | Answered on Sep 22, 2016


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.

LG 47LG50 47 in.... | Answered on Sep 05, 2016


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Circuit diagrams of many popular brand TVs and other devices are given

LG 47LG50 47 in.... | Answered on Aug 26, 2016


This problems it could be those 2 long LCD inverter boards are dead,so it is not giving ur tv LCD screen panel the backlight to produce a picture or the tv Tuner signal board itself is the problems it dead.That the board,that take in the incomming broadcasting signal wire ur case the HDMI or Component cables.Take out the incomming broadcasting signal to the tv,turn on the tv,now tv have no picture,it should have a loud white static picture noises for good more 5-8 mins,than problems it not the tv Tuner signal board.Than it is those 2 long LCD inverter boards are dead.Tries websites like Shopjimmy.com,Ebay.com to buy refurbishes 2 long inverter boards or the tv Tuner signal board for the replacement.

LG 47LG50 47 in.... | Answered on Aug 02, 2016


Do a reset to this TV, and then check. 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; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

LG 47LG50 47 in.... | Answered on Jul 13, 2016


If audio is OK, the problem is with its back-light. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

LG 47LG50 47 in.... | Answered on May 03, 2016


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.

LG 47LG50 47 in.... | Answered on Mar 29, 2016


The backlight may be going out or it may be a circuit board. Check the manual for trouble shooting.
http://www.lg.com/us/support-product/lg-47LD450
Read the following for general info:
https://answers.yahoo.com/question/index?qid=20100820170253AA9StF5

LG 47LG50 47 in.... | Answered on Mar 25, 2016


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced.

LG 47LG50 47 in.... | Answered on Jan 22, 2016


Hi,
the LG User Guide can be found here: Download Manuals ,
if manual fine tuning will not clear the problem for you, you may have a signal reception issue which is causing the problem,

LG 47LG50 47 in.... | Answered on Jan 20, 2016


Hi There.
If your TV does not have a Shutdown functionality. Then you put the TV off as per normal, via Remotre. Disconnect the main power.
Put Power back on and the TV on again.
Hope this helps!

LG 47LG50 47 in.... | Answered on Jan 14, 2016

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