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Switches on getsound and picture for about 20 seconds then sceen goes blank. Have tried switching off and unpluging leaving for 10 mins then pluging back in and swiching on and waiting for disc to initialise but samething happens

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A component inside the tv is causing a short, which in turn , is causing the protection circuit in the tv to shut it down. It could be a lot of things which are causing it, but it definately sounds as though, to me anyway, that is the cause. It could be something like a failed capacitor on the power circuit, or it maybe a IC that has a dry joint, the only way to know for sure would be to open the tv and check, not advisable if you are not trained to do this. There are high voltages in these tv's that can seriously hurt or even kill somebody. If you want you could open it and just check for bulging capacitors. they look like this

switches on getsound and picture - scousemartin_5.jpg

good caps look like this

scousemartin_6.jpg

to test other components would require a multimeter and a service manual to get the correct readings to check for.

Next time you ask for help though a tip would be to supply the make and model of tv in your question

If you found this info useful please vote for me

Posted on Apr 08, 2011

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