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Sharp LCD TV picture goes off few seconds after power on. When I turn on the TV picture comes on and than screen turns black but the sound stays on. After power up I hear a click like a relay switching on and than picture goes off.
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https://www.youtube.com/watch?v=PWoz_-3OHIM
Jan 25, 2013 - Uploaded by Tampatec
Common LG LCD TV REPAIR - NO PICTURE OR BLACK SCREEN FIX ... I have a LG 42PM4700-UB plasma tv that justwent black. The red ... I had to keep turning on and off the TVseveral times for the screen to come back.
? 5:56
https://www.youtube.com/watch?v=xUzCLgoSPGM
Sep 15, 2014 - Uploaded by ShopJimmy.com
LED & LCD TV How to Diagnose Symptom of No Image on theScreen CLICK ... Tv was working fine when left to go to store and came back to blank picture and ... my samsung tv it turns on but its completely black and no sound at all ... LG LCD TV REPAIR - NO PICTURE SCREEN FIX REVIEW - Duration: ...
i have the same problem. i just replace the power board because of the "green blinking" light. now, light stays green, picture comes on for a few seconds, then blank....
that set is highly rated by users .. it first came out in early 2009 (i think) so you might check to see if any warranty remains ... the display is illuminated by several lamps .. each lamp has its own high voltage inverter .. all the innverters are powered by an output of the low voltage power supply (often 18 volts)... i would suspect a problem with that low voltage power supply.. either a bad capacitor or a thermal issue .. .. ..
All symptoms in your TV shows that you need to replace its Lamp as it has been consumed its life hours and TV requires new lamp. Lamp can be obtained from Sony Website. Price is $200, Hope this info will help you to enjoy your Sony TV in coming days.
I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
Thanks to those who posted the solutions
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