Question about LG 47LN5400 47" LED TV 1920x1080, 120 Hz. HDTV
When I power on the LEDs light up then go out, I have sound and all other functions except black screen
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.
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 Mar 14, 2016
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Sep 16, 2018 | LG Televison & Video
Jun 16, 2017 | LG Televison & Video
Apr 12, 2017 | LG Televison & Video
Feb 22, 2017 | LG Televison & Video
Dec 23, 2016 | LG 47LN5400 47" LED TV 1920x1080, 120 Hz....
Jul 12, 2016 | LG Televison & Video
Jun 28, 2016 | Televison & Video
Jan 14, 2016 | LG Televison & Video
Aug 26, 2015 | LG 47" 5400 Series LED HDTV - 47LN5400
Jun 29, 2009 | LG Shine KE970 Cellular Phone
Sep 25, 2019 | LG 47LN5400 47" LED TV 1920x1080, 120 Hz....
Jan 14, 2017 | LG 47LN5400 47" LED TV 1920x1080, 120 Hz....
119 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: