Question about LG 42LG50 42 in. LCD HDTV

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Tv will not come on. it was working and just went out

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The power supply module may have failed, that will be the first place to look.
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

Posted on Aug 03, 2010

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Posted on Jan 02, 2017

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1 Answer

I need help mi tv wong work after a energy went off


Hello
Just unplug the tV from AC mains wall socket and leave it for at leat 10 minutes. This must reset its memory. Replug it back and see whether it helps you. If not the power inverter board [SMPS] should be repalced.
This is the picture of the power supply board to your tV. OK.
12_18_2011_1_43_22_pm.jpg

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No sound coming from my Vizio Model #E320VL HDTV. Tried everything I can think of. I have Direct TV and it just stopped working one day. Any advice?


We just had the same problem with our tv, we switched tv's and it still didn't work. We reset our att uverse box, and the sound works. I don't know how direct TV works, but the problem may lie there instead of your TV

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1 Answer

After few minutes LCD picture went black but sound works ok


most likely the power inverter, also suspect the p/s. best to have a trained tech check it. Julio at milleniumtvsvc@gmail.com

Jul 21, 2009 | Memorex MLT3221 32 in. LCD TV

1 Answer

The TV made a pop sound, then the video went blank. Audio works


i think the power supply went bad. this needs a lg repairman i would notr try to repair your self,lots of hi-voltage going on there

Jul 09, 2009 | LG 42PG20 42 in. Plasma HDTV

1 Answer

While watching TV screen went blank. Voice stayed on


the photon charges at the back of the tv might be damaged, try to take it in to be repaired if not i suggest u buy a new one, please, please, please do not take it apart to fix it urself, alot of bad burns have happened to people who try to fix plasma tv's.

Apr 12, 2009 | Akai 50 in. Plasma TV

1 Answer

Screen went BLACK!


My Sony FD Trinitron TV did samething, started flashing, then eventually went completely black with volume. I got on internet searched found a solution, i tried it, it worked. unplug tv, remove all screws, remove back. towards bottom right theres a transmitter with a couple of knobs, we plugged tv in and moved knobs around and it worked. Also was extremally dusty, we used computer duster for a better connection. hope it helps you

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1 Answer

Reset button


No reset button for a long time on any brand of tv.....
Check horiz output transistor,fuses and power supply
components........................T.

Dec 21, 2007 | Symphonic ST419E TV

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