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Hi I have a LG 3d 42pw350 tv and when I push the power button my tv comes on for just a flash of light... I can hear the static so my sound should be working and the power still works but the screen is black and can't see any menus? Any advice on what could need replacing?

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Check and replace the damaged component/s at its main board. Contact any service technician. 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/

Posted on Nov 22, 2014

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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: power button is green - no blinks / no picture / no sound

Unplug it from the wall, wait 2 minutes and plug it back in. if problem still exists, its probably the main pcb.

Posted on Aug 21, 2008

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SOURCE: I have a 3 year old Maxent MX-42VM11 plasma tv with no pic/sound

swollen capasitors, replaceing will cost $500, so best to get another one, 42'' samsung will sell for about $800. the pn42a450

once a plasma has a problem, fixing it or not, more problems will occure, trust me, i am the flat pannel guru.

Posted on May 02, 2009

pilot210
  • 39 Answers

SOURCE: Apex Digital TV Model: 1919. Worked fine for a

Power supply issues or shorted horizontal output transistor. Probably not worth having repaired unless you DIY....

Posted on May 18, 2009

tvservice306
  • 458 Answers

SOURCE: Toshiba 42HP66 No Picture, Only Power Works

try replaced z board Manufacturer Toshiba Part Number 75003032 Description ZSUS PCB ASSY

Posted on Oct 02, 2009

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