Question about LG 47LN5400 47" LED TV 1920x1080, 120 Hz. HDTV
WHERE DO I GET A MAIN REPLACEMENT BOARD?
Yes you can do-it-yourself its sounds like the Back light led's in the back of the flat screen are not getting power. it could be 1 of 2 boards inside the chassis of the TV look online and put that model number in when you look.
Posted on Mar 07, 2019
SOURCE: What keeps burning out the inverter board on my LG flat screen t.v. model #LG-47LN5400? Just replaced 1 week ago and it's doing the same thing. getting power and sound but no picture. Thank You.
Then you have another board that is shorted or causing an overvoltage condition that is destroying the new PCB
Posted on Oct 27, 2016
Testimonial: "I'm inclined to think it's the main power board but I'm certainly no expert. What do you think?..Thanks so much!"
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