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The Picture on my TV suddenly went off. The TV turns "ON" but there is no picture. The sound is OK. What part do I need to fix it. Thanks Ashok

Make of the TV: LG Model / SVC Code : 32LN530B-UA.ACCYLJM

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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welcomejee
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SOURCE: my LG HD tv screen suddenly went green. sound is

Hi,
I disagree with info provided, if screen of your LG lcd tv becomes green that means inverter board is working and lcd tv does not have convergence ICs.
Please unplug tv from ac wall socket for minute to get it reset, replug back in and turn it On and check its picture.
If still showing green screen then change input source with remote, if tv shows same green screen on all inputs that means its either lcd panel problem or digital signal processor got bad loacted on main board. Local tv repairman is needed to confirm and fix it.
Thanks.

Posted on Jul 23, 2010

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gopakumarg43
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SOURCE: My LG LED tv model 32LN530B-UA built in March/13 suddenly has no picture. What I have now is a black and white snowy back round with an overlay of fluctuating coloured horizontal lines with short vert

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Posted on Dec 17, 2014

gopakumarg43
  • 74377 Answers

SOURCE: lg 47-lf11-ua tv turns on has sound and half picture stays on a few seconds then shuts off

Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit.Contact any service technician.If you wish to get some details; check the site linked here.Surf the site with patience.Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Posted on Mar 02, 2015

Terry Corrow
  • 10875 Answers

SOURCE: I have a LG 55lh40-ua it turns on for a few min with picture and sound then the picture goes black and the sound stays on...any ideas on what board needs to be replaced? thanks in advance

the main power board is bad ,,order a new one and replace it,lay it down face down on a table,unscrew all the screws on the back,lift back off,there are 3 boards,1 has the hdmi inputs on it,the other is skinny and the last one where the power cord plugs in,is the power board,find the sticker on it and write down the s/n and then go to ebay and find one,then unscrew it and when the new one comes,replace all the wires and securely screw it down,replace back and screws and check it out,,,,

Posted on May 14, 2015

gopakumarg43
  • 74377 Answers

SOURCE: LG TV powers on but there is no picture

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.
Fault at its main digital board. Short circuited component/s at it.

Posted on Mar 01, 2016

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Hi,
I disagree with info provided, if screen of your LG lcd tv becomes green that means inverter board is working and lcd tv does not have convergence ICs.
Please unplug tv from ac wall socket for minute to get it reset, replug back in and turn it On and check its picture.
If still showing green screen then change input source with remote, if tv shows same green screen on all inputs that means its either lcd panel problem or digital signal processor got bad loacted on main board. Local tv repairman is needed to confirm and fix it.
Thanks.

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