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When you turn on the television, it remains on for a few seconds then turns itself off

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This is a common problem for LCD televisions. You need to replace the inverter board of your TV. Here, I provided you the link where you can buy an inverter board:

http://www.shopjimmy.com/catalogsearch/result/index/?q=INVERTER+BOARDS&stock=all

Have a great day!

Posted on May 09, 2009

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The tv turns itself off after seconds of the startup can not be turned by REMOTE CONTROL the LED remains alumer


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My television suddenly turned itself off while switching from video to hdmi. Now it will only turn on for a few seconds and shows a "no signal" message, then shuts itself off.


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have youtryehave you tried going to menu options and turning off the power save you might try changing the scart cable any interferance will cause the tv to turn of. my little boy often knocks the scart lead on my set an the tv turns itself off when he does this ,. hope this helps good luck

Dec 11, 2010 | LG 42LG30 42 in. LCD HDTV

1 Answer

The TV turns on and off after a few seconds and repeats itself.


There could be quite a few things that would cause the set not to power up. I dont have the service manual, however you can get a copy of the service manual at the following link for your model. As thats the only proper way to be able to check for the proper voltages to determine whats wrong with the set.
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http://servicemanuals.vstore.ca/

Nov 26, 2008 | Samsung HCL652W 65" Rear Projection...

1 Answer

Screen goes out but sound remains


A blown fuse would not be intermittant.

It is possible that the back plane lamps, and or the back plane power supply is failing.

When the set is in the dark screen, shine a flashlight on the screen at an offset angle. Look carefully and see if you see the picture images. If so, this proves that the back plane lighting is having a fault condition. If there is no image at all, then there may be a fault condition with one of the drive boards for the picture processing or the screen itself.

Jerry G.

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Probable four bad caps in DM module = 1000mf/25v
Common repair for qualified Mits tech...........T.

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