Question about LG 42LG50 42 in. LCD HDTV

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Lg 47lg70 turns off and on

Power light blinks red 2 times then screen turn on power light blinks red 1 more time then turns blue then shuts off and repeats

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  • LG Master
  • 73,691 Answers

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 stage 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, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.

Posted on Mar 24, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: LG LCD Flat screen 32 screen blank red light blinking cable on

The Lg lcd was srtruck by a remote and now looks like a small crak on the inside towards the bottom right hand corner and there is no picture but audio does work

Posted on Nov 09, 2008

  • 5 Answers

SOURCE: red blinking light when tv is turned off

if this is a 37lg30 i have brand new spare parts. the tv was never used it was dropped and the screen was damaged so i just took out the parts out. i was originally looking for some one that had a problem with there tv but a good screen like you but its easier to ship out the boards.

Posted on Jun 06, 2009

  • 12 Answers

SOURCE: 42" LG 42LC2D HDTV Will not turn on

Hi, sounds like a power supply problem, most likely needs capacitors replaced, costs about £5 to do it yourself, and a fortune in the repair shop, easy enough if your handy or know someone who is,its worth a try,it'll be going in the bin anyway, cam

Posted on Jul 14, 2009

  • 5 Answers

SOURCE: LG 47LC7DF Green Light Blinks 16 Times - No Picture or Sound

The lights indicate what the issue is. Kind of like your check engine light in your car tells you something is wrong with the engine.

Posted on Aug 31, 2009

dave1645
  • 834 Answers

SOURCE: lg 26lg30 light blinks red blue wont turn on.

you have a bad cap in the power supply
these are can shaped device thet if bad will vent anf put up on the top the valoue is wrtten on the side trplace them and you should be good to go

Posted on Nov 06, 2009

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1 Answer

How to repair LG LCD TV 47LG70-UA no picture or sound


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. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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47LG70 won't stay on


How many times this standby/power light blinks at one time switch ON? Count it carefully. These blinks are fault indication, and known as blinking codes. From the number of blinks occur at one time switch ON; you can get an idea about the faulty circuit stage inside the TV. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/. If the blinks continues, and non-stop, the fault should be with its main system control IC, and with the memory IC.

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Sharp lcd tv.lc45gd4u no power red light blinking two times pauses then repeats


Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 1200 posts to different brand TVs now. Pull up older posts there. Blinking codes to so many brand TVs are described in detail here.

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TV will not turn on, red stand-by light blinks a few times, then stops and stays red. this is the result whetherus in the remote or the button on the TV. (47" LCD) Had for less than a year.


Hello,
The power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


I hope this will help in solving the problem, also do take care in handling the fault....

Jun 20, 2011 | LG 47LG70 42 in. LCD TV

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Hello, I have a 42"


Sounds like a backlight is out. If its still under warranty, exchange it. First try unplugging it for two minutes to reset the t.v.

May 15, 2011 | LG 42LG30 42 in. LCD HDTV

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Battery? console has no charge when plugged into wall outlet I push power button blue LED comes on briefly , then red flashes 3 times, and the yellow LED lights up along with the health warning on the...


What color is the power light when the system shuts off?
    Red: If the power light is red, or flashing red, when the system turns off, then the system's battery needs to be charged.


    Blue: If the power light is blue when the system turns off, then there appears to be a problem with the system and it will need to be repaired.

    If the orange recharge indicator light blinks while the system is plugged in and charging, then it is likely that the battery is not installed properly.

    If you have ensured that the battery is installed properly but the orange light still blinks, check to make sure that the battery is a licensed by Nintendo. The only licensed Nintendo DSi battery will have the model number "TWL-003" (Nintendo DSi) or "UTL-003" (Nintendo DSi XL) and will display Nintendo's logo.
    Call 1-800-255-3700 if you still need help.

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3 Answers

47LG70 - PICTURE WENT OUT. STILL HAVE SOUND. HEARD A POPPING NOISE WHEN PICTURE WENT. TV IS ONLY 1 1/2 YEARS OLD. ANY IDEAS WHAT MAY OF HAPPENED.


I have had the same problem off and on with my 47LG70 for months. When the "popping" noise happens, the blue light in the corner stays on, so I know the tv is still on (sometimes I still have sound, sometimes I don't). Sometimes the screen goes black, but other times it is blue. If I turn the tv off then on again, it might stay on for seconds, minutes or hours. It's been very frustrating.

This seemed to happen right after I got my new Comcast box, which came with an HDMI 1.3 cable. I read somewhere online that this tv might not be compatible with that cable, so I unplugged it and am using component cables again. I just did this today, so I don't know if it will work, but so far the tv has been on for 30 minutes with no problems.

I'm pretty ignorant about HDMI compared to component cables. I imagine I will not get as good a picture with the component cables, but I am willing to sacrifice quality if I can just get the darn thing to work. Mine is also only 18 months old.

Hope this helps. If it doesn't, maybe someone else out there can help us both.

Sep 21, 2010 | LG 47LG70 42 in. LCD TV

3 Answers

Screen went dark


Ur video ic inverter board is dead.
U need a new one.

Aug 25, 2009 | Televison & Video

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LG 42 LCD no sound or picture


Did anyone find out the solution for this??????? I have the exact same problem with my LG 32 LCD. I only had it for a year and a half, and the green light blinks a few times and it shows no picture. Not even a red light when the tv is off. The same thing happened a couple weeks ago and by some miracle it started working again.

Jan 28, 2009 | Televison & Video

1 Answer

No picture sound is fine


tv comes on then turns blue at that time it shuts down. The power is on and then it blinks 5 times!!!

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