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My lg 42' flatscreen shut off one day audio and complete black screen. Power led still turns on but nothing else works. the tv is 2 years old. if any one has seen this problem please advise.

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Is this a Plasma or LCD, what is the model?

Posted on Feb 26, 2008

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The Audio/Video section seems to have short circuit or if there is overdrive experienced this section would Shut-Off automatically switch-off and Switch-on after a time gap

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My Misubishi WD-52631 DLP TV is off sudenly. I turn it on again, but no picture, no sound, nothing happened. I reset it, nothing happends. the green power light blinks for a while, then shut off itself....


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Apr 19, 2011 | Mitsubishi WD-52631 52" Projection HDTV

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What are the error codes for a Panasonic PT-47WX 42 TV


Hi,
3 times LED blinks in Panasonic PT-47WX42 shows problem with convergence out chips failure as this tv has two big black ICs STK392-110 as convergence output, replace them to fix tv problem.
Click Part Store to see an image of required chip and price info.
Local tv tech is recommended if you have no experience of working in tv circuit boards.
Thanks.


Apr 18, 2010 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Tv problems


There are some capacitors on the power/HV deflection board that usually blow. You can actually see that they have vented on the top. Cp150 is the most common to go.

Jan 07, 2009 | Projection Televisions

1 Answer

I have an insignia ns-37lcd tv.It is 1 1/2 years old.This morning the screen shut off,however the sound still works through the stereo that runs through the tv.help


This failure could be in the power supply most likely but it could also be in the inverter assembly as well.
When the TV fails to turn ON completely but still has audio is due to defective capacitors in the 24VDC line that powers up the inverter board.
If you require more assistance let me know.

Jul 26, 2008 | Projection Televisions

1 Answer

Have a panasonic 47" HDL projection tv..under 5 years old model # pt-47wx53g, chassis Ap 825,manufactured August 2003 Purchased Oct. 2003. Have cable service..TV works fine until 2 weeks ago. Screen...


3 blinks means the convergence circuits are shutting the set down. Usually the convergence ICs will take care of the problem, but I would recommend getting the service manual from the following link, as they will provide you free support to help you diagnose why it wont start as usually the convergence ICs wont prevent a set from powering up, unless another component in the convergence circuit has failed.
http://servicemanuals.vstore.ca/

Mar 24, 2008 | Projection Televisions

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TV doesn't turn on


I bought a LG 39" flat screen 6 months ago. TV has been working great until this morning. Power comes on for about 5 seconds and then cuts off. Have checked all connections and have unplugged from wall to reset, NOTHING!! And a brand new TV!! Any help would be great!

Aug 10, 2007 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

No sound or picture


Keith, Check fuses Then Resoder The COMPLETE board I bet there is heat related problem W/Old Soder Just a Hunch!!!!!!!! G'Luck Chance One 559 @ Yahoo . Com

Oct 24, 2006 | Toshiba TP55G60 55" Rear Projection...

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The sound and Picture went out but power still turns on.


If the light is flashing on the front of the set after you turn on the power, its most likly a sweep power supply problem. if the set is dead then its in the standby or main power supply. If your hubby is a tech then he should have No problem fixing this puppy. if he is not, a TV set is not a place to be experimenting around inside of, as this is a solid state set, and has no user replaceable parts inside. Its dangerous to work on and unless you wantt to possibly become a widow?? Please seek out a pro to assist you in this repair.

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