Question about Televison & Video
Your problem dated 24 Sept 2009 was re-posted today. If it has been already resolved, kindly ignore this message.
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Posted on Aug 09, 2010
Let me be on point. The generic solution would be Lamp ( If it's more than one year ).
Friend the easiest way to tell, would be to pull lamp out close door tightly turn unit on listen for the ballast to make the buzzing noise if it does it completed its cycle and you just have a bad bulb that looks good. And also do this test Were the wire is that runs from the ballast to the power supply, make sure it reads around 300vdc if it doesn't you need a power supply if it does you need A BALLAST. You can make sure the capacitors close to the connector are flat on the top if not you may have bad capacitors.
The pictures of Ballast :-
The pictures of Capacitors :-
A POP from the TV could be just about anything. Sometimes capacitors swell up and burst. Most likely you are dealing with a shorted IC, from the churping sound I can tell that the switch-mode power supply is over-loaded.
From the sound of your problem you should probably call for service. There are too many variables involved to diagnose a problem such as yours over the internet. Modern TV's have thousands of parts, it can take a seasoned veteran up to an entire day to track down troublesome problems IN PERSON.
Please understand that by opening a TV you are exposing youself to many dangers, including electrocution. Be sure that the set is un-plugged and keep one hand behind your back whenever possible to avoid a shock through the heart as this CAN KILL YOU. If you have zero electronic experience I would not attemp this repair. OK, public service announcement over.
Basic electrical knowledge is a must to get inside your TV and fix it.
Your TV will need some parts and it is best to either leave it to a technician to diagnose.
If you call for service prepare to part with $200-$350 depending on the damage in the TV. It may be prudent to buy a new TV if this one is over 7 years old.
Let me know if need further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Sep 24, 2009
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Posted on Jan 02, 2017
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