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My lg tv has a power lite but when i push the power buotten it clicks on and then off y is that

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Short circuited component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here.Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Posted on Feb 12, 2014

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Posted on Jan 02, 2017

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1 Answer

My LG Plasma 50PK550 doesn't show a picture when I push the power button. It will also shut off when I push either the Input or channel buttons.


Main digital board fault. Check and replace the main digital board. Contact any service technician. If you wish to get more details visit the site linked here. http://electronicshelponline.blogspot.com/

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There could be an open internal fuse or failed power supply.

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If you didn't have it plugged into a power surge strip, you may have blown the tv. Write it off on your taxes next year and buy a new one. If you do have it plugged into a power strip check to see if the lite is on/then if not push the button to reset it. That should do it. Also, same with your satelite/cable box.

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Sounds like a failing power supply.

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This might need attention of a qualified service technician

Jul 11, 2012 | Televison & Video

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Power light and opc lights blinking green


It can be the power supply is sensing short circuits in the power supply itself or in the backlight inverter board, those are the two areas you need to inspect.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Aug 10, 2010 | Sharp Aquos LC-37G4U 37 in. HD-Ready LCD...

1 Answer

I have a sharp 37" lcd tv,model # lc37sb24u. no pix or sound, power lite comes on about 10 seconds then power and opc lites alternate on and off. thanks RON


This problems very common in Sharp LCD tvs.The Tuner signal board have problems,every times the power LED,OPC LED lites up,just push the power button on again,wait see if the LCD backlight lite up and works,not the Power lite and the OPC lite LEDS flashes again.You,just have to push the power button again,sometimes u have to push the power button at least 6 or 7 times to get the Power LED stable,and then LCD backlight,come on than the tv work.Not sure,but if the Power and OPC lites keep flashing,after u pushes the power button at lest 10 or 12 times,and the LCD backlight dosen't come on and the tv don't work.I think,it time to change the Tuner board is completely dead.I have a Sharp LCD tv, I do this everytimes pushing the power button at least 3 or 4 than the power LED stable,and the LCD backlight come on than the tv work.Not a plaw in the power supply like those capacitors in many LCD models tvs,but some included Sharp Tvs is the Tuner signal board is not very good in design,use the tv awhile the Tuner signal board have problems recieving the power to it Tuner board components.

Apr 15, 2010 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

I need to program a sharp lg tv with a Philips universal remote control


hold set codes button tell it stays lite the push tv and try codes, 0509,0913,0907,0603,0002,0502,0224,0228,0202,0111,0813
everytime u push in code hit power do this tell tv turns off

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1 Answer

Tv clicks on and off. timmer light stays lite.


This could be a number of things, but first step might be: check that the power button on the TV is not stuck on, there could be a faulty push button or the button is stuck.

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