Question about LG 37LC7D 37 in. LCD HDTV
I am running free play via a PS3 that is the only thing connectved to the tv
I have the picture which is why I replacer the power board that the backlight plugs in to. I don't see where I can buy the backlight bulbs. are they replaceable?
Posted on Feb 04, 2015
When the screen goes blank, dim the lights in the room. Take a bright flashlight and shine it on the panel. If you see a faint picture, you have a backlight failure
Posted on Feb 03, 2013
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Posted on Jan 02, 2017
SOURCE: LG 42pc3dv-ud
Yes you need to replace the board LG 6871QYH048B. The board has a short. Check the fuses and one of them should have no continuity
because it is open.
Replace that board and problem solved
Posted on Aug 03, 2009
SOURCE: lg lcd tv screen goes
I had this problem on my 42" Philips. Just got it yesterday and worked fine on the tv stand. As soon as I mounted the TV to the wall via wall mount system, I had the exact same issue you did. Figured it out today.
The wall mount was putting pressure against the center of the back of the tv (tv set had a slightly rounded back plate, and the mount was a flat plate). As soon as I put spacers (part of the wall mount hardware set) between the wall mount braket and the tv so there was no contact except at the mounting holes, the tv worked fine.
My theory is the pressure pushed the tv back plate against some board components which caused them to overheat (no air flow); or put pressure on internal connectors. I dont know.
Hope this helps, may not apply to your situation.
Posted on Sep 18, 2009
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