Question about LG Televison & Video
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 Jan 01, 2017
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Posted on Jan 02, 2017
If the power supply outputs are good! Then I would say the back light inverter is bad! If the screen stays black and does not come on.
Posted on Feb 28, 2009
SOURCE: THis afternoon as we were watching our 42" plasma tv we heard this crackling sound from the back of the tv - next think we knew we got black shadowy picture. The sound was still perfect. What's going
go to the menu and see if the set is set to high power, if so change to low power , it may make a difference ...rob
Posted on May 25, 2009
The tv power supply board have more dead components parts,u just don't have the skills an the know how to trouble shoot find out more dead components parts that all.Try website like Ebay.com to buy a whole refurbish power supply board for the replacement.
Posted on Jun 11, 2011
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