Question about LG 42LC2D 42 in. LCD HDTV

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LG 50PG6010 showing blanck (just black screen) , the power led comes up and can be control by remote to standby .it blink when responding to remote but no picture.

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Hi there I have an LG50PG6010 that did the same how I fixed mine was simple I took off the back then removed the board that has all your connections on it like your hdmi and scart ports hen I turned it over and only do this if you feel comfortable doing it and I did it on my cooker. I took a heat gun and heated the board I held it about an inch away from the board and did circular movements sort of like a reflow to make the solder catch again if this doesn,t work it doesn,t matter as you,ll probably need to replace this board anyway

Posted on Jul 17, 2013

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Posted on Jan 02, 2017

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pilot210
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SOURCE: Standby LED blinks 4 times

Hi there,

4 blinks on a Sony Bravia indicates a backlight/inverter (aka ballast) problem. These ballasts are regrettably only available with an entire LCD panel. :( You may perchance be able to find a parts outfitter online that scraps out TVs and have a used ballast.

Typical backlight problem on an LCD shows up as the screen lighting up for a second or two and going back off. The 4 blinks just confirms your problem.

Posted on May 19, 2009

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Dear Jimmy, I have a 50PA4500-UM from LG. It has sound but black screen.


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

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Check out the inverter board that powers the back light leds.

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Sounds like main digital board fault. These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/

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Does the screen quickly blink on and then off? Does the standby light slowly blink twice and then go out?If these are the symptoms then it is probably a bad led backlight strip.This was the fault with my lg 47ln540v led lcd tv.I have written this up in a previous post more comprehensively.Hope this helps..

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I happened the same problem and the solution must change the power pack

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In my experience, there will be damage to the main pcboard, usually under the transformer.
If you are lucky you can find all of the broken track and remake the track.
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