Question about LG Televison & Video
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Posted on Jan 02, 2017
I believe 4 blinks is fan error. You can take back off and watch fans in particular the fan for the lamp (this one goes out the most) The TV has a sensor so it knows if the fan turns.You can take a pencil and use it to spin fan sometimes that will jump start it (not a permanent fix just a test). You can try cleaning dust off fan and replugging the connector on the wires coming from fan.Might fix it if not fan will need replacement.
Posted on Apr 28, 2009
SOURCE: lg led tv backlight
Fault with its main 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.
Posted on Feb 05, 2015
Your Tv has Led strip that is faulty you just have to check if they are receiving dc voltage if yes then change the Led strip if no check the voltage supplying the Led
Posted on Jul 17, 2016
In most of the case, the LED back lights strip is out.
Posted on Aug 29, 2017
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