Question about LG 47LN5400 47" LED TV 1920x1080, 120 Hz. HDTV
Posted by Anonymous on
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/ 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..
Posted on Dec 24, 2016
Testimonial: "This is what i am referring to, it is a warning on the ShopJimmy site when I lookup the LED Driver I need. My question is this, if I can see the menu on the screen when using a flashlight, is it possible it is no the LED driver but the LEDs? PLEASE NOTE: Models that use this power supply are also HIGHLY susceptible to LED failure. What may seem like a power supply failure may be caused by the failure of one or more LEDs inside the panel (screen). We stock most LED strips for the models in question. Please search your model number to view the available LED strips."
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Posted on Jan 02, 2017
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