Question about LG 37LC7D 37 in. LCD HDTV

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Where is the inverter for lg 37 eax35231 403

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1 Answer

Why my lg 37 inch want come on


The inverter board is responsible for the backlight.

Oct 06, 2015 | LG 37LC7D 37 in. LCD HDTV

1 Answer

Why my lg lcd light up but screen is black and shows no picture


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://electronicshelponline.blogspot.com/

Sep 04, 2014 | LG 37LG5000 37 in. HDTV-Ready LCD TV

1 Answer

Sound but no picture.


The Inverter needs replacement. You can get the replacement Inverter from www.tvrepairworld.com

Mar 24, 2013 | LG 37LG50 37 in. LCD HDTV

1 Answer

Hello, I have an LG LCD TV Model : 37LC2RR-2L, I can get sound on th tv, the screen is on but no image appears.


You're backlight inverter is faulty.

You first need to check your power supply and ensure you have 24v output to the backlight inverter.

If you lack the 24v you will need to replace capacitors in-line to the 24v rail to get power back to your backlight inverter.
Look for these:


If your 24v is OK then you will need a replacement inverter to restore your picture to your tv.



Best of luck!

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Apr 18, 2011 | LG 37LC2RR 37 in. LCD TV

1 Answer

Has sound but no picture


Change the inverter or de darfo block on the inverter.

Feb 08, 2011 | LG 37LG30 37 in. LCD HDTV

1 Answer

LG 37 the picture comes on for approx 2 mins then the screen is just black but still have sound


Possible cause of this problem is defective back light inverter board or power supply section that provides voltage to back light section.
Visual check is required to rectify defective board.

Oct 29, 2010 | LG 37LG30 37 in. LCD HDTV

2 Answers

My 37 in lcd lg flat screen just keeps clicking on and off and never actually turns on


Something is stopping the relays from starting up the TV. This will be a fault either in the power supply board or the microprocessor ICs or with the inverter board. This would need to be taken to a service repairer to diagnose the problem.

Jun 29, 2009 | LG 37LG30 37 in. LCD HDTV

3 Answers

LG 37LF65 LCD TV BLINKS 3 GREEN THEN 1 RED THEN TURNS OFF.


Here's a link to the service manual for a slightly larger LG LCD TV. Perhaps it may be of some help? The troubleshooting section appears to be the same for many models of LG TVs...

http://www.observations.biz/MANUALS/LG_LCDTV/42LF66.pdf

Mar 12, 2009 | LG 37LC7D 37 in. LCD HDTV

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