20 Most Recent LG 42LD450 42 in TV Questions & Answers

Turn it on. Power light just indicates that the tv set is receiving power. try to manually power on the tv from the button provided on the tv bottom or sides

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.

It could be the main board! Below is the service manual for this tv! LG 42LD450 Service Manual

No one can tell you what will fix the set---I would suspect the power board but it can and could be another board--some tests are needed and if you are not able to do them you either have to start guessing or have a expert examine the set---in the end they will have to guess also but it will be an educated guess.

I'm going to second the power supply board failure. This is a common problem. You could likely purchase another on ebay. Search by the TV model number.

Most newer TVs bypass any input if nothing is plugged into that connection.

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/

replace the psu or its electrolytic capacitors and the eeprom or nvram chip on the main control board

possible mainboard failure does your hdmi port work with other devices ???

usually not but if the tv set ask for it try 0000 7777 or 0413

Yes your screen is broken it can be replaced but I cannot tell you the cost until you tell me the suffix(its a row of letters aat the grey label next to your model ) par example 42ld450 za.aeuwljg this says to us what kind of screen and parts does your tv set has. please provide these letters and i'll be able to provide you with more info .hope that this was somehow helpful

If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors - Flickering screen - Screen image disappears after several seconds - Dim screen - Slow start - Power LED on, but no picture - Unusual colors and/or lines The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad. If they appear bulged on top, then they need to be replaced. New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years. Take it to a repair shop.

hi code is 0206 works fine with mine