Question about LG Televison & Video
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Posted on Jan 02, 2017
check for bad capacitor in the power supply board and then check shorted component parts at the sustain board.
Posted on Aug 31, 2012
SOURCE: LG 50ln5100-ub flat screen tv
You have lost your backlights and this is very common for the LN series LG TVs...they use 6 volt lamps and if one opens the entire string goes out, kind of like the old Christmas lights used to be. First thing to check though if your able is the voltage on both sets of cables, hook your meter to one side of the power board that supplies the lamps and see if you have voltage for a second or 2 when you power the set up and then it drops off to almost nothing, if you see this unhook the plug that goes to the lamps in the panel and see if the voltage holds at a couple hundred volts, if it does its lamps in the panel and I think you will find this is the case, if it happens the voltage drops down or isn't any to start with its the power board...Good luck
Posted on Feb 05, 2018
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